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Addendum No 1 for

WEST END ELEMENTARY ROOF AND RTU REPLACEMENT

7453 ERNST PKWY INDUSTRY, TX 78944

RICE & GARDNER CONSULTANTS, INC. 6161 SAVOY DR., #1212 HOUSTON, TEXAS 77036

PROJECT NO. 20.007

MWA ARCHITECTS, INC. 11767 KATY FREEWAY, SUITE #430

HOUSTON TEXAS 77079 PROJECT NO. 20-14

Addendum Publication Date May 22, 2020

Note: This addendum includes this cover and 120 additional 8 ½ x 11 pages plus 8 sheets.

ADDENDUM NO. 1 JOB NO. RGCI 2020.007 (MWA NO. 20-14)

BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

To: Plans and Specifications for Bellville ISD West End Roof and RTU Replacement

This addendum is generally separated into sections for convenience; however, all contractors, subcontractors, and other parties shall be responsible for reading the entire addendum. The failure to list an item or items in all affected sections of this addendum does not relieve any party from performing as per instructions, provided that the information has been set forth one time any place in this addendum. This addendum shall be attached to and become a part of the Contract Documents for this project and modifies said documents as follow. All impacted documents detailed within PART 2 and PART 3 sections below contain “Addendum 1” within the title of the specification.

PART 1 - GENERAL ITEMS

1.1 Project will NOT have an Alternate. All MEP scope of work issued under this Addendum 1 and as Alternate #1 is included as part of the base bid scope of work, including all roof top units’ replacement (RTU). Therefore, all references titled Alternate #1 in plans and specifications have been deleted.

1.2 AIA Document A305 Qualification Statement will be submitted with the proposal at the due date and time; not 10 days minimum prior to the receipt of proposals.

PART 2 - SPECIFICATIONS / APPROVED MANUFACTURES

2.1 DELETE Specification Table of Content and replace with new Addendum 1 Table of Contents attached to this addendum.

2.2 DELETE Section 00 00 02 List of Drawing and replace with new section 00 00 02 Addendum 1 List of Drawings attached to this addendum.

2.3 Approval of any manufacturer does not void any of the requirements of the drawings or specifications. The manufacturer’s product to be used must be the one equivalent to that specified, not the manufacturer’s standard product.

A. Under Section 07 54 23 Thermoplastic Polyolefin (“TPO”) Roofing, Paragraph 2.1 Manufacturers, Subparagraph B, ADD as an approved equal the following manufacturers:

4. Versico Roofing Systems 5. GAF

B. Under Section 07 54 23 Thermoplastic Polyolefin (“TPO”) Roofing, Paragraph 2.1 Manufacturers, Subparagraph C, DELETE Item 3 description: “No Substitution of these three manufactures” and replace with “No Substitution of these five (5) manufactures.”

C. Under Section 08 45 23 Insulated Translucent Fiberglass Sandwich Panel System, Paragraph 2.1 Manufacturers, ADD Subparagraph D. Rob Pelletier Construction, Inc. (RPC, Inc.), 888-759-2678, as an approved equal manufacturer.

2.4 DELETE Section 00 30 50 Proposal Form and replace it with revised Section 00 30 50 Addendum 1 Proposal Form attached to Addendum #1. Increase Owner Contingency to $40,000.00 in lieu of $20,000.00.

2.5 ADD Section 00 82 20 Addendum 1 Performance Bond Form to the specifications.

2.6 Under Section 01 21 00 Allowances, Paragraph 3.3 Schedule of Allowances, Subparagraph A. Allowance No. 1, increase the Owner’s Contingency to $40,000.00.

MWA Architects, Inc. Page 2 of 3

2.7 DELETE Section 01 23 00 Alternates in its entirety from specifications. Project will have no alternates. All MEP scope of work issued under this addendum will be priced as base bid scope of work, including all roof top units’ replacement (RTU).

2.8 ADD Section 07 92 00 Addendum 1 Joint Sealants to specifications.

2.9 ADD Section 22 00 00 Addendum 1 General Plumbing Requirements.

2.10 ADD Section 22 05 00 Addendum 1 Common Work Results for Plumbing.

2.11 ADD Section 22 16 00 Addendum 1 building PROPANE GAS Piping.

2.12 ADD Section 23 00 00 Addendum 1 General HVAC Requirements.

2.13 ADD Section 23 00 10 Addendum 1 HVAC Closeout Requirements.

2.14 ADD Section 23 05 00 Addendum 1 Common Work Results for HVAC.

2.15 ADD Section 23 05 93 Addendum 1 HVAC Test and Balance.

2.16 ADD Section 23 81 00 Addendum 1 Decentralized unitary air conditioners.

2.17 ADD Section 26 00 00 Addendum 1 General Electrical Requirements .

2.18 ADD Section 26 00 10 Addendum 1 Electrical Closeout Requirements.

2.19 ADD Section 26 05 00 Addendum 1 Common Work Results for Electrical.

2.20 ADD Section 26 24 00 Addendum 1 Panelboards.

2.21 ADD Section 26 27 26 Addendum 1 Wiring Devices.

2.22 ADD Section 26 28 00 Addendum 1 Low-Voltage Circuit Protective Devices.

2.23 ADD Section 28 31 00 Addendum 1 Fire Detection and Alarm.

PART 3 - DRAWINGS

3.1 Sheet A3-300 ROOF DETAILS, ADD 1/2-inch recovery board to all roof details 01, 03, 04, 06, 07, 08, 11, 12, and 14. Roof assembly will have a ½-inch recover board beneath new roofing per Specification 07 54 23 Thermoplastic Polyolefin (“TPO”) Roofing, Paragraph 2.7.D Cover Board.

3.2 ADD Sheet M3-100 ADDENDUM 1 MECHANICAL DEMO ROOF PLAN

3.3 ADD Sheet M3-200 ADDENDUM 1 MECHANICAL ROOF PLAN

3.4 ADD Sheet M3-300 ADDENDUM 1 MECHANICAL DETAILS & SCHEDULES

3.5 ADD Sheet E3-200 ADDENDUM 1 ELECTRICAL ROOF PLAN

3.6 ADD Sheet E3-300 ADDENDUM 1 ELECTRICAL ONE-LINE & PANEL SCHEDULES

3.7 ADD Sheet E3-301 ADDENDUM 1 ELECTRICAL NOTES & DETAILS

MWA Architects, Inc. Page 3 of 3

3.8 ADD Sheet P3-200 ADDENDUM 1 PLUMBING ROOF PLAN AND DETAILS

PART 4 - QUESTIONS / ANSWERS

1. None

END OF ADDENDUM #1 DESCRIPTION

00 00 01 ADDENDUM 1 TABLE OF CONTENTS JOB NO. RGCI 20.007 (MWA NO. 20-14)

WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

00 00 00-1

TABLE OF CONTENTS

PROJECT MANUAL

DIVISION 00 – PROPOSAL DOCUMENTS AND CONTRACT FORMS PAGES 00 00 00 Addendum 1 Cover 1 00 00 00 Title Page 1 00 00 01 Addendum 1 Table of Contents 2 00 00 02 Addendum 1 List of Drawings 1 00 00 13 Proposal Advertisement 1 00 01 02 Project Information 3 00 01 18 Bellville ISD Special Requirements 2 00 10 00 Instructions to Proposers 6 00 30 50 Addendum 1 Proposal Form 3 00 31 00 Representations & Certifications 12 00 81 00 Special Conditions 15 00 82 00 Supplementary Conditions 9 00 82 10 Notice to Proceed Form 1 00 82 20 Performance Bond Form 2 00 82 30 Payment Bond Form 2 00 82 40 Proposal Guarantee Bond 1 00 82 50 Indemnity 1 00 82 60 Waiver Forms 2 00 82 70 CADD Waiver 2 00 82 80 Change Proposal Form 1 00 82 90 Certificate of Asbestos Free Construction 1 DIVISION 01 – GENERAL REQUIREMENTS 01 21 00 Addendum 1 Allowances 3 01 22 00 Addendum 1 Unit Prices 2 01 25 00 Substitution Procedures 3 01 30 00 Administrative Requirements 6 01 40 00 Quality Requirements 4 01 41 00 Quality Control 2 01 42 00 Reference Standards 4 01 57 60 Waste Material Disposal 1 01 59 00 Temporary Facilities 3 01 60 00 01 70 00 01 75 00

Materials and Equipment Construction Closeout Warranties & Bonds

3 3 2

01 78 00 Close-Out Submittals 3 01 79 00 Demonstration and Training 2 DIVISION 02 – EXISTING CONDITIONS 02 26 23 Asbestos Abatement Cover 1 02 26 23A Building Material Survey for Asbestos Containing Materials 17 02 26 23B Project Specification for Abatement of Asbestos-Containing Materials 76 02 41 19 Selective Structural Demolition 6

00 00 01 ADDENDUM 1 TABLE OF CONTENTS JOB NO. RGCI 20.007 (MWA NO. 20-14)


00 00 00-2

DIVISION 6 - WOOD AND PLASTIC

06 10 55 Roofing Carpentry 10 DIVISION 7 – THERMAL AND MOISTURE PROTECTION 07 01 50 19 Roof Replacement Preparation 8 07 54 23 Addendum 1 Thermoplastic Polyolefin (TPO) Roofing 17 07 62 00 Sheet Metal Flashing, Trim, and Metal Soffit Panels 16 07 72 00 Roof Accessories 9 07 92 00 Addendum 1 Joint Sealants 7 07 92 10 Roofing Sealants 5 DIVISION 8 – DOORS AND WINDOWS 08 45 23 Addendum 1 Insulated Translucent Fiberglass Sandwich Panel System 6 DIVISION 22 – PLUMBING 22 00 00 Addendum 1 General Plumbing Requirements 6 22 05 00 Addendum 1 Common Work Results for Plumbing 6 22 16 00 Addendum 1 Building Propane Gas Piping 2 DIVISION 23 – HEATING VENTILATING AND AIR CONDITIONING (HVAC) 23 00 00 Addendum 1 General HVAC Requirements 9 23 00 10 Addendum 1 HVAC Closeout Requirements 2 23 05 00 Addendum 1 Common Work Results for HVAC 5 23 05 93 Addendum 1 HVAC Test and Balance 6 23 81 00 Addendum 1 Decentralized Unitary Air Conditioners 3 DIVISION 26 – ELECTRICAL 26 00 00 Addendum 1 General Electrical Requirements 8 26 00 10 Addendum 1 Electrical Closeout Requirements 3 26 05 00 Addendum 1 Common Work Results for Electrical 10 26 24 00 Addendum 1 Panelboards 3 26 27 26 Addendum 1 Wiring Devices 3 26 28 00 Addendum 1 Low-Voltage Circuit Protective Devices 2 DIVISION 28 – ELECTRONIC SAFETY AND SECURITY 28 31 00 Addendum 1 Fire Detection and Alarm 8 END OF TABLE OF CONTENTS

00 00 02 ADDENDUM 1 LIST OF DRAWINGS JOB NO. RGCI 20.007 (MWA NO. 20-14) WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

ARCHITECTURAL

A0-001 COVER SHEET A3-100 ROOF DEMOLITION PLAN A3-200 ROOF PLAN A3-300 ROOF DETAILS

MEP M3-100 ADDENDUM 1 MECHANICAL DEMO ROOF PLAN M3-200 ADDENDUM 1 MECHANICAL ROOF PLAN M3-300 ADDENDUM 1 MECHANICAL DETAILS & SCHEDULES

E3-200 ADDENDUM 1 ELECTRICAL ROOF PLAN E3-300 ADDENDUM 1 ELECTRICAL ONE-LINE & PANEL SCHEDULES E3-301 ADDENDUM 1 ELECTRICAL NOTES & DETAILS

P3-200 ADDENDUM 1 PLUMBING ROOF PLAN AND DETAILS

END OF SECTION

00 30 50 ADDENDUM 1 PROPOSAL FORM JOB NO. RGCI 20.007 (MWA NO. 20-14) WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

00 30 50-1

PROPOSAL FORM (Submit in Duplicate)

Submitted by: ____________________________________________________________ Date: __________________________ Telephone No.: ___________________________ TO: MR. DENNIS JUREK BELLVILLE INDEPENDENT SCHOOL DISTRICT

518 S. MATHEWS STREET BELLVILLE, TEXAS

We, the undersigned, propose to enter into a Contract with the Bellville Independent School District to furnish all labor, materials, tools, transportation, insurance, permits, and all incidentals necessary for the following subcontractor work, in accordance with the drawings and specifications, and in accordance with Owner’s construction supervision and the Project Manager, for the following project (or projects), for the lump sum(s) set forth below: Drawings and Project Manual entitled:

BELLVILLE ISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT

In accordance with the Notice to Proposers, the undersigned agrees to complete all contractor work required for the specification sections. All work shall be performed in a workmanlike manner in accordance with plans, specifications, and addenda thereto. Proposal Information Package including Requirements for Insurance and Bonds, Minimum Wage Scale, Description of Proposal Package, this Proposal Form and Project Manual, which includes an index listing the included specifications and drawings, which includes an index listing the included drawings. We hereby acknowledge receipt of Addenda Nos. __________________________ Undersigned understands that liquidated damages as defined in the Supplementary Conditions will be included in the form of Agreement between Owner and Contractor and that the contractor will be bound thereto. We have carefully reviewed and understand the Notice to Proposers, and Instructions to Proposers, the drawings, specifications and addenda, examined the site(s) in detail, and have acquainted ourselves with the existing and anticipated conditions that might affect the Work, and accept the drawings, specifications and addenda as being satisfactory and adequate for construction of the Work. The undersigned agrees to provide a lump sum Proposal without exclusions and to complete all contractor work required for the specification sections. Successful contractor must coordinate bleacher moves with owner provided asbestos abatement contractor.


00 30 50-2

We understand that if we are the successful Proposer, we will furnish satisfactory construction, performance, and payment and completion bonds, each in the full amount of the Contract for contracts over $25,000.00 and furnish certificates of insurance in accordance with State law. We attached Proposal security in the amount of 5% of the amount of our proposal (for amounts over $2,500.00). Surety Name: Attorney-in-fact: Agent. Proposal for specification included in Table of Contents and Construction drawing set. If awarded the Contract for Construction, we agree to begin work within three (3) calendar days, after written “Notice to Proceed” and substantially complete all work before August 2, 2020. Proposer’s duration: _______________ calendar days. We have carefully reviewed and understand the “Notice to Proposers” and the “Instructions to Proposers”, the drawings and specifications, examined the sites(s) in detail, and have acquainted ourselves with the existing and anticipated conditions that might affect the work and accept the drawings and specifications as being satisfactory and adequate for the construction of work. We understand that if we are the Successful Proposer, we will furnish satisfactory construction and furnish certificates of insurance for Worker’s Compensation in accordance with State law. LUMP SUM BASE PROPOSAL INCLUDES $40,000.00 OWNER CONTINGENCY ALLOWANCE PER SECTION 01 21 00.


___________________________________________________________

(Written Amount) $__________________________________________________________ (Amount in Figures) UNIT PRICE SCHEDULE The following prices must be filled in by the proposer. The prices supplied shall reflect the total installed prices.

No. Unit Price Description Add ($/Figures) Deduct ($/Figures) Unit of Measure

1

Remove and replace damaged existing roof wood decking

Per SF

2

Remove and replace damaged existing roof metal decking

Per SF


00 30 50-3

PROPOSED CONSTRUCTION TEAM Proposed Project Manager ________________________________. Print/type name Proposed Project Superintendent _______________________________. Print/type name Proposed Mechanical Sub-Contractor ________________________________. Print/type name Proposed Electrical Sub-Contractor ______________________________. Print/type name Proposed Abatement Sub-Contractor ______________________________. Print/type name CONTRACTOR’S SAFETY RECORD Current Workman’s Compensation Modifier _______________________________. Number of lost time incidents during the past five years and the associated number of lost day’s _________________. Number of Occupational Safety and Health Administration citations received during the past five year’s _______ days. CHANGES IN THE WORK The undersigned understands that changes in the work shall be performed in accordance with the Supplemental Conditions. PROPOSAL EVALUATION WAIVER By submitting a Proposal, the proposer indicated below agrees to waive any claim it has or may have against the Owner, Rice & Gardner Consultants, Inc., Architect, Consultants and their respective employees, arising out of in connection with the administration, evaluation, or recommendation of any proposal. The proposer further agrees the Owner reserves the right to waive any requirements under the proposal documents or the Contract Documents, acceptance or rejection of any proposals, and recommendation or award of the contract. It is understood that the right is reserved by the Owner to reject any or all proposals or waive any informalities in receipt of Proposals. The undersigned certifies that the amounts contained in this Competitive Sealed Proposal have been carefully checked and are submitted as correct and final; and additionally, agrees to comply with all provisions of the Proposal Form. Proposer: _________________________________________________________________

By: ____________________________________________________________________

Address: ________________________________________________________________

City: __________________________State: _____________ Zip Code:______________

Phone: __________________________________________

WITNESS: _______________________________________ Seal (If Proposer is Corporation) END OF PROPOSAL FORM

PERFORMANCE BOND

Project No. ______________________

THE STATE OF TEXAS §

§ KNOW ALL MEN BY THESE PRESENTS:

THE COUNTY OF HARRIS §

THAT WE, ____________________________________, as Principal, hereinafter called “Contractor” and the other subscriber hereto _____________________________________, as Surety, do hereby acknowledge ourselves to be held and firmly bound to The Houston Independent School District “Owner”, in the sum of _________________ ($_______) for the payment of which sum, well and truly to be made to Owner and its successors, the said Contractor and Surety do bind themselves, their heirs, executors, administrators, successors, and assigns, jointly and severally.

THE CONDITIONS OF THIS OBLIGATION ARE SUCH THAT:

WHEREAS, the Contractor has on or about this day executed a Contract in writing with Owner for __________________________________________________________________________________________ _____________________________________________________________________ all of such work to be done as set out in full in said Contract Documents therein referred to and adopted by the Owner, all of which are made a part of this instrument as fully and completely as if set out in full herein.

NOW THEREFORE, if the said Contractor shall faithfully and strictly perform Contract in all its terms, provisions, and stipulations in accordance with its true meaning and effect, and in accordance with the Contract Documents referred to therein and shall comply strictly with each and every provision of Contract and with this bond, then this obligation shall become null and void and shall have no further force and effect; otherwise the same is to remain in full force and effect.

Should the Contractor fail to faithfully and strictly perform the Contract in all its terms, the Surety shall be liable for all damages, losses, expenses and liabilities that the Owner may suffer in consequence thereof, as more fully set forth herein. It is further understood and agreed that the Surety does hereby relieve Owner or its representatives from the exercise of any diligence whatever in securing compliance on the part of the Contractor with the terms of the Contract, including in relation to Owner’s making of payments thereunder, and, having fully considered it’s Principal’s competence to perform the Contract in the underwriting of this Performance Bond, the Surety hereby waives any notice of delay by the Contractor in the performance of the Contract. The Surety understands and agrees that the provision in the Contract that Owner shall retain certain amounts due the Contractor until the expiration of thirty days from the acceptance of the Work is intended for the Owner’s benefit, and Owner shall have the right to pay or withhold such retained amounts or any other amount owing under the Contract without changing or affecting the liability of the Surety hereon in any degree.

00 82 20 - 1

01 21 00 ADDENDUM 1 ALLOWANCES JOB NO. RGCI 20.007 (MWA NO. 20-14) WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

01 21 00 - 1

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section includes administrative and procedural requirements governing allowances.

1. Certain items are specified in the Contract Documents by allowances. Allowances have been established in lieu of additional requirements and to defer selection of actual materials and equipment to a later date when direction will be provided to Contractor. If necessary, additional requirements will be issued by Change Proposal Request (CPR).

2. Bellville ISD elected to pay third party professional testing services outside this contract. Bellville ISD solicited proposals for materials testing and abatement monitoring and testing. Bellville ISD will contract directly with the selected firms and will pay these consultants directly.

B. Types of allowances include the following:

1. Lump-sum allowances.

C. Related Requirements:

1. Division 01 Section "Unit Prices" for procedures for using unit prices. 2. Division 01 Section "Quality Requirements" for procedures governing the use of

allowances for testing and inspecting. 3. Divisions 02 through 33 Sections for items of Work covered by allowances.

1.3 SELECTION AND PURCHASE

A. At the earliest practical date after award of the Contract, advice the Project Manager (RGCI) of the date when final selection and purchase of each product or system described by an allowance must be completed to avoid delaying the Work.

B. At Project Manager's request, obtain proposals for each allowance for use in making final selections. Include recommendations that are relevant to performing the Work.

C. Purchase products and systems selected by Project Manager from the designated supplier.

1.4 ACTION SUBMITTALS

A. Submit proposals for purchase of products or systems included in allowances, in the form specified for Change Proposal Request.


01 21 00 - 2

1.5 INFORMATIONAL SUBMITTALS

A. Submit invoices or delivery slips to show actual quantities of materials delivered to the site for use in fulfillment of each allowance.

B. Submit time sheets and other documentation to show labor time and cost for installation of allowance items that include installation as part of the allowance.

C. Coordinate and process submittals for allowance items in same manner as for other portions of the Work.

1.6 COORDINATION

A. Coordinate allowance items with other portions of the Work. Furnish templates as required to coordinate installation.

1.7 LUMP-SUM ALLOWANCES

A. Allowance shall include cost to Contractor of specific products and materials ordered by Owner or selected by Project Manager under allowance and shall include labor costs for installation.

B. Unless otherwise indicated, Contractor's costs for receiving and handling at Project site, labor, installation, overhead and profit, and similar costs related to products and materials ordered by Owner or selected by Project Manager under allowance shall be included as part of the Contract Sum and not part of the allowance.

C. Unused Materials: Return unused materials purchased under an allowance to manufacturer or supplier for credit to Owner, after installation has been completed and accepted.

1.8 ADJUSTMENT OF ALLOWANCES

A. Allowance Adjustment: To adjust allowance amounts, prepare a Change Proposal Request based on the difference between purchase amount and the allowance, multiplied by final measurement of work-in-place where applicable. If applicable, include reasonable allowances for cutting losses, tolerances, mixing wastes, normal product imperfections, and similar margins.

1. Include installation costs in purchase amount only where indicated as part of the allowance.

2. If requested, prepare explanation and documentation to substantiate distribution of overhead costs and other margins claimed.

3. Submit substantiation of a change in scope of work, if any, claimed in Change Proposal Requests related to unit-cost allowances.

4. Owner reserves the right to establish the quantity of work-in-place by independent quantity survey, measure, or count.

B. Submit claims for increased costs because of a change in scope or nature of the allowance described in the Contract Documents, whether for the purchase order amount or Contractor's handling, labor, installation, overhead, and profit.

1. Do not include Contractor's or subcontractor's indirect expense in the Change Proposal Request cost amount unless it is clearly shown that the nature or extent of work has


01 21 00 - 3

changed from what could have been foreseen from information in the Contract Documents.

2. No change to Contractor's indirect expense is permitted for selection of higher- or lower-priced materials or systems of the same scope and nature as originally indicated.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine products covered by an allowance promptly on delivery for damage or defects. Return damaged or defective products to manufacturer for replacement.

3.2 PREPARATION

A. Coordinate materials and their installation for each allowance with related materials and installations to ensure that each allowance item is completely integrated and interfaced with related work.

3.3 SCHEDULE OF ALLOWANCES

A. Allowance No. 1: Lump-Sum Allowance: Include the sum of $40,000.00 FOR OWNER’S CONTINGENCY. Owner’s Contingency may only be used with prior approval from the owner or Project Manager (RGCI) representative. This allowance includes material cost and installation.

END OF SECTION

01 22 00 ADDENDUM 1 UNIT PRICES JOB NO. RGCI 20.007 (MWA NO. 20-14)


01 22 00 - 1

UNIT PRICES

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Measurement and payment criteria applicable to Work performed under a unit price payment method.

1.02 COSTS INCLUDED

A. Unit Prices included on the Bid Form shall include full compensation for all required labor, products, tools, equipment, plant, transportation, services and incidentals; erection, application or installation of an item of the Work; overhead and profit.

1.03 UNIT QUANTITIES SPECIFIED

A. Quantities indicated in the Bid Form are for bidding and contract purposes only. Quantities and measurements of actual Work will determine the payment amount.

1.04 MEASUREMENT OF QUANTITIES

A. Measurement methods delineated in the individual specification sections complement the criteria of this section. In the event of conflict, the requirements of the individual specification section govern.

B. Take all measurements and compute quantities. Measurements and quantities will be verified by project manager.

C. Assist by providing necessary equipment, workers, and survey personnel as required.

1.05 PAYMENT

A. Payment for Work governed by unit prices will be made on the basis of the actual measurements and quantities of Work that is incorporated in or made necessary by the Work and accepted by the project manager multiplied by the unit price.

B. Payment will not be made for any of the following:

1. Products wasted or disposed of in a manner that is not acceptable.

2. Products determined as unacceptable before or after placement.

3. Products not completely unloaded from the transporting vehicle.

4. Products placed beyond the lines and levels of the required Work.

5. Products remaining on hand after completion of the Work.

6. Loading, hauling, and disposing of rejected Products.

1.06 DEFECT ASSESSMENT

A. Replace Work, or portions of the Work, not conforming to specified requirements.

B. If, in the opinion of project manager it is not practical to remove and replace the Work, project manager will direct one of the following remedies:

1. The defective Work may remain, but the unit price will be adjusted to a new unit price at the discretion of project manager.

2. The defective Work will be partially repaired to the instructions of the project manager and the unit price will be adjusted to a new unit price at the discretion of project manager.

C. If, in the opinion of Owner, it is not practical to remove and replace the Work, Owner will direct one of the following remedies:

1. The defective Work may remain, but the unit price will be adjusted to a new unit price at the discretion of Owner.

2. The defective Work will be partially repaired to the instructions of the Owner, and the unit price will be adjusted to a new unit price at the discretion of Owner.

01 22 00 ADDENDUM 1 UNIT PRICES JOB NO. RGCI 20.007 (MWA NO. 20-14)


01 22 00 - 2

D. The individual specification sections may modify these options or may identify a specific formula or percentage price reduction.

E. The authority of project manager to assess the defect and identify payment adjustment is final.

PART 2 PRODUCTS - NOT USED

PART 3 – EXECUTION 3.1 UNIT PRICE SCHEDULE

Refer to Document 00 30 50 PROPOSAL FORM, Page 3, UNIT PRICE SCHEDULE. Fill

out unit price information for roofing as described in Unit Prices. This information is required to be submitted as part of the bid submittal.

END OF SECTION

07 54 23 ADDENDUM 1 THERMOPLASTIC POLYOLEFIN (TPO) ROOFING JOB NO. RGCI 20.007 (MWA NO. 20-14) WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PAGE 1

THERMOPLASTIC POLYOLEFIN (TPO) ROOFING 07 54 23 - 1

SECTION 07 54 23 - THERMOPLASTIC POLYOLEFIN (TPO) ROOFING

PART 1 - GENERAL


A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes: 1. Qualifications, Standards and Materials for new roof assembly. 2. Cleaning existing roof or deck surface. 3. Roof insulation. 4. Adhered membrane roofing system. 5. Traffic pads.

B. Related Requirements: 1. Section 06 10 55 “Roofing Carpentry" for wood nailers, curbs, and blocking. 2. Section 06 16 00 "Sheathing" for wood-based, structural-use roof deck panels. 3. Section 07 01 50.19 "Preparation for Re-Roofing" for re-cover board beneath new

roofing. 4. Section 07 21 00 "Thermal Insulation" for insulation beneath the roof deck. 5. Section 07 62 00 "Sheet Metal Flashing and Trim" for metal roof flashings and

counterflashings. 6. Section 07 72 00 "Roof Accessories." 7. Section 07 79 10 "Roofing Sealants" for joint sealants, joint fillers, and joint preparation.

1.3 REFERENCES

A. American Society for Testing and Materials (ASTM): 1. A 653 - Steel Sheet, Zinc Coated, (galvanized) by the Hot-Dip process, Structural

(Physical) Quality Property. 2. C 1289 - Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board. 3. D 1079 - Terminology Relating to Roofing, Waterproofing, and Bituminous Materials. 4. D 2178 - Asphalt Glass Felt Used in Roofing.

B. American Society of Civil Engineers (ASCE): ASCE 7-98: Minimum Design Loads for Buildings and Other Structures

C. Factory Mutual Global (FMG): 1. Roof Assembly Classifications 2. Construction Bulletins.

D. National Roofing Contractors Association (NRCA): 1. Manual of Roof Maintenance and Roof Repair. 2. Roofing and Waterproofing Manual.

E. Single Ply Roofing Institute (SPRI): Flexible Membrane Roofing: A Professional's Guide to Specifications, "Wind Load Design Guide for Fully Adhered and Mechanically Fastened Roofing Systems.”



F. Underwriters’ Laboratories (UL): Fire Hazard Classifications.

1.4 DEFINITIONS

A. Roofing Terminology: See ASTM D 1079 and glossary in NRCA's "The NRCA Roofing and Waterproofing Manual" for definitions of terms related to roofing work in this Section.

B. Design Uplift Pressure: The uplift pressure, calculated according to procedures in SPRI's "Wind Load Design Guide for Fully Adhered and Mechanically Fastened Roofing Systems," before multiplication by a safety factor.

C. Factored Design Uplift Pressure: The uplift pressure, calculated according to procedures in SPRI's "Wind Load Design Guide for Fully Adhered and Mechanically Fastened Roofing Systems," after multiplication by a safety factor.

1.5 PREINSTALLATION MEETINGS

A. Preliminary Roofing Conference: Before starting roof deck construction, conduct conference at Project site. 1. Meet with Owner, Architect, Owner's insurer if applicable, testing and inspecting agency

representative, roofing Installer, roofing system manufacturer's representative, deck Installer, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment.

2. Review methods and procedures related to roofing installation, including manufacturer's written instructions.

3. Review and finalize construction schedule, and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.

4. Review deck substrate requirements for conditions and finishes, including flatness and fastening.

5. Review structural loading limitations of roof deck during and after roofing. 6. Review base flashings, special roofing details, roof drainage, roof penetrations,

equipment curbs, and condition of other construction that affects roofing system. 7. Review governing regulations and requirements for insurance and certificates if

applicable. 8. Review temporary protection requirements for roofing system during and after

installation. 9. Review roof observation and repair procedures after roofing installation.

B. Preinstallation Roofing Conference: Conduct conference at Project site. 1. Meet with Owner, Architect, Owner's insurer if applicable, testing and inspecting agency

representative, roofing Installer, roofing system manufacturer's representative, deck Installer, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment.

2. Review methods and procedures related to roofing installation, including manufacturer's written instructions.

3. Review and finalize construction schedule, and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.

4. Examine deck substrate conditions and finishes for compliance with requirements, including flatness and fastening.

5. Review structural loading limitations of roof deck during and after roofing. 6. Review base flashings, special roofing details, roof drainage, roof penetrations,

equipment curbs, and condition of other construction that affects roofing system.



7. Review governing regulations and requirements for insurance and certificates if applicable.

8. Review temporary protection requirements for roofing system during and after installation.

9. Review roof observation and repair procedures after roofing installation.

1.6 ACTION SUBMITTALS

A. Product List: Submit list of proposed Products and manufacturers, including all items specified in Part 2 – Products or otherwise required by the Work.

B. Product Data: For each type of product indicated.

C. Shop Drawings: For roofing system. Include plans, elevations, sections, details, and attachments to other Work. 1. Base flashings and membrane terminations. 2. Tapered insulation, including slopes. 3. Roof plan showing orientation of steel roof deck and orientation of membrane roofing and

fastening spacings and patterns for mechanically fastened membrane roofing. 4. Insulation fastening patterns for corner, perimeter, and field-of-roof locations.

D. Samples for Verification: For the following products: 1. 12-by-12-inch square of sheet roofing, of color specified, including T-shaped side and

end lap seam. 2. 12-by-12-inch square of roof insulation. 3. 12-by-12-inch square of walkway pads or rolls. 4. 12-inch length of metal termination bars. 5. Six insulation fasteners of each type, length, and finish. 6. Six roof cover fasteners of each type, length, and finish.

1.7 INFORMATIONAL SUBMITTALS

A. Qualification Data: For qualified Installer and manufacturer.

B. Manufacturer Certificates: Signed by roofing manufacturer certifying that roofing system complies with requirements specified in "Performance Requirements" Article. 1. Submit evidence of compliance with performance requirements. 2. Qualifications: Certify and document items in Quality Assurance Article, and; 3. Products: Certify that selected products and roofing system meet or exceed

requirements specified in "Performance Requirements" Article. Submit evidence of meeting performance requirements, including that: a. Fastener patterns prescribed by manufacturer in Submittal will resist specified

uplift pressures, including Safety Factor (times two), calculated according to ASCE/SEI 7-10.

b. Roofing system components are physically and chemically compatible for installation as designed, and;

c. All proposed materials, including those by other manufacturers, are acceptable to membrane manufacturer for use in the system.;

d. Proposed system meets all criteria for issuance of required manufacturer’s warranty, and;

e. Specifically identify and define any deviations.

C. Installer Certificates: Signed by roofing system manufacturer certifying that Installer is approved, authorized, or licensed by manufacturer to install roofing system.



D. Product Test Reports: Based on evaluation of comprehensive tests performed by manufacturer and witnessed by a qualified testing agency, for components of membrane roofing system.

E. Research/Evaluation Reports: For components of membrane roofing system, from ICC-ES.

F. Manufacturer’s Installation Instructions: Include installation sequence and special instructions.

G. Material Safety Data Sheets (MSDS): Maintain copies on Project site.

H. Sample Warranties: For manufacturer’s special warranties.

I. Field quality-control reports: 1. Daily Inspection Form: Check list document or form with signature line for Project

Manager or Superintendent, signifying installation is in accordance with specified requirements, and tie-ins and temporary flashings are properly sealed at end of each working day and as otherwise required to ensure water-tightness.

2. Manufacturer's Field Reports: Summarize findings of each inspection. Indicate any discrepancies from recommended installation methods, corrective action recommended to installer, and any non-compliant or unsatisfactory conditions.

1.8 CLOSEOUT SUBMITTALS

A. Inspection Report: Copy of roofing system manufacturer's inspection report of completed roofing installation.

B. Project Record Documents: Accurately record exact location of all roof membrane penetrations.

C. Maintenance Data: For roofing system to include in maintenance manuals.

D. Warranties: Sample of special warranties.

1.9 QUALITY ASSURANCE

A. Manufacturer Qualifications: A qualified manufacturer that is UL listed FM Approvals approved for membrane roofing system identical to that used for this Project, with minimum five years documented experience, including: 1. Minimum three projects of comparable size, using specified system[, installed in the State

of Texas within that five-year period.

B. Installer Qualifications: A qualified firm that has been continuously approved, authorized, or licensed by membrane roofing system manufacturer to install manufacturer's product for minimum of three years prior to Bid Date, and that is eligible to receive manufacturer's special warranty; with minimum three years documented experience, including: 1. Minimum three projects of comparable size and specified systems during that time.

C. Workers: All roofers and laborers to be direct employees of Primary Contractor. 1. Project Manager and Superintendent: Minimum five years roofing experience and

employed by Contractor for a minimum one year prior to Bid Date. 2. Non-working Supervisor: Able to communicate effectively with School staff and

Applicator’s workers and employed by Contractor for a minimum one year prior to Bid Date.

3. Tradesmen: Minimum 50-percent of installation crew to have been employed by Contractor for a minimum six months prior to Bid Date.

D. Testing Agency Qualifications: An independent testing agency with the experience and capability to conduct the testing indicated, as documented according to ASTM E 548.



E. Perform Work in accordance with NRCA Roofing and Waterproofing Manual.

F. Maintain one copy of each document accessible on site.

G. Install all roofing materials using personnel directly employed by Applicator (Roofing Contractor) with NDL certification from roofing material manufacturer - no Sub-Contracting permitted.

H. Assign a qualified, full time, non-working supervisor to be on Project site at all times during installation of Work.

I. Designate a responsible Project Manager or Superintendent to inspect all installed Work, particularly tie-ins and temporary flashings, at end of each working day and as otherwise required to ensure water-tightness. 1. Verify Inspection by signature on approved Daily Inspection Form signifying installation is

in accordance with specified requirements.

1.10 DELIVERY, STORAGE, AND HANDLING

A. Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components. 1. Inspect for damage. Remove from site and replace any damaged materials. 2. Store products in weather protected environment, clear of ground and moisture. 3. Stand and store roll materials on end.

B. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing system manufacturer. Protect stored liquid material from direct sunlight. 1. Discard and legally dispose of liquid material that cannot be applied within its stated shelf

life.

C. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation.

D. Handle and store roofing materials and place equipment in a manner to avoid permanent deflection of deck. 1. Do not store more materials on roof unless specifically approved otherwise. 2. Maximum Allowable Loading on Roof: 20 pounds per square foot.

1.11 FIELD CONDITIONS

A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements. 1. Do not apply roofing membrane during inclement weather or when threat of inclement

weather exists. 2. Do not apply roofing membrane to damp or frozen deck surface. 3. Observe wind chill and other cold weather conditions for proper bituminous application.

B. Observe actual and predicted temperatures, relative humidity, wind, wind chill and other weather conditions. Apply roofing system only when all conditions are within ranges acceptable to membrane manufacturer.



C. Do not permit contaminants such as grease, fats and oils to come in direct contact with roofing membrane.

1.12 COORDINATION

A. Coordinate with demolition work and with work of other trades to ensure sufficient materials and manpower are available to completely replace and make watertight all roofing installed each day.

B. Limit tear off of existing roof system and application of new base sheet (if required), including insulation, to amount that can be completely covered with new roof system by end of day.

C. Coordinate installation of associated metal flashings, and roof-related items as work of this Section proceeds. Seal all sheet metal flanges in contact with membrane the day it is installed.

D. Schedule and execute Work to prevent leaks and excessive traffic on completed roof sections. Provide protection for interior of building and to ensure water does not flow beneath any completed membrane system sections.

E. Schedule work to avoid storage on and traffic over finished work.

1.13 WARRANTY

A. Special Warranty: Manufacturer's standard or customized form, without monetary limitation, in which manufacturer agrees to repair or replace components of membrane roofing system that fail in materials or workmanship within specified warranty period, including coverage for wind speeds up to 75 miles per hour and puncture warranty. Failure includes roof leaks. 1. Special warranty includes membrane roofing, base flashings, roof insulation, fasteners,

cover boards, walkway products, and other components of membrane roofing system. 2. Warranty Period: 20 years from date of Substantial Completion.

B. Special Project Warranty: Submit roofing Installer's warranty, on warranty form at end of this Section, signed by Installer, covering the Work of this Section, including all components of membrane roofing system such as membrane roofing, base flashing, roof insulation, fasteners, cover boards, substrate boards, vapor retarders, roof pavers, and walkway products, for the following warranty period: 1. Warranty Period: Two years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

B. Basis-of-Design Product: Subject to compliance with requirements, provide Firestone Building Products or comparable product by one of the following: 1. Johns Manville. 2. Carlisle SynTec Incorporated. 3. No Substitutions of these five manufacturers. 4. Versico Roofing Systems 5. GAF

C. Source Limitations: Obtain components including roof insulation, fasteners, adhesives and cover board for roofing system from same manufacturer as membrane roofing.

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2.2 PERFORMANCE REQUIREMENTS

A. General Performance: Installed roofing and base flashings shall withstand specified uplift pressures, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Roofing and base flashings shall remain watertight. 1. Accelerated Weathering: Roofing system shall withstand 2000 hours of exposure when

tested according to ASTM G 152, ASTM G 154, or ASTM G 155. 2. Impact Resistance: Roofing system shall resist impact damage when tested according to

ASTM D 3746 or ASTM D 4272.

B. Material Compatibility: Provide roofing materials that are compatible with one another under conditions of service and application required, as demonstrated by roofing manufacturer based on testing and field experience.

C. Roofing System Design: Provide membrane roofing system that is identical to systems that have been successfully tested by a qualified testing and inspecting agency to resist uplift pressure calculated according to ASCE/SEI 7.

D. Corner Uplift Pressure: 240 lbf/sq. ft.

E. Perimeter Uplift Pressure: 160 lbf/sq. ft.

F. Field-of-Roof Uplift Pressure: 90 lbf/sq. ft.

G. Design Windspeed: 150 miles-per-hour (3 second gust).

H. Exposure Category: B.

I. Risk Category: III.

J. FM Global Listing: Provide membrane roofing, base flashings, and component materials that comply with requirements in FM Approvals 4450 and FM Approvals 4470 as part of a membrane roofing system, and that are listed in FM Approvals' "RoofNav" for Class 1 or noncombustible construction, as applicable. Identify materials with FM Approvals markings.

1. Fire/Windstorm Classification: Class 1A tested to meet calculated zone uplift pressures. 2. Hail Resistance: MH.

K. Energy Performance: Roofing system that meets City of Houston Commercial Energy Conservation Code. 1. Initial Solar Reflectance: Not less than 0.70. 2. Thermal Emittance: Not less than 0.75.

L. Solar Reflectance Index: Not less than 78 when calculated according to ASTM E 1980, based on testing identical products by a qualified testing agency.

M. Energy Star Listing: Roofing system shall be listed on the DOE's ENERGY STAR "Roof Products Qualified Product List" for low-slope roof products.

N. Energy Performance: Roofing system shall have an initial solar reflectance index of not less than 0.70 and an emissivity of not less than 0.75 when tested according to CRRC-1.

O. Exterior Fire-Test Exposure: ASTM E 108 or UL 790, Class A; for application and roof slopes indicated; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.



P. Fire-Resistance Ratings: Comply with fire-resistance-rated assembly designs indicated. Identify products with appropriate markings of applicable testing agency.

2.3 TPO ROOFING

A. Fabric-Reinforced Thermoplastic Polyolefin Sheet: ASTM D 6878, internally fabric or scrim reinforced, uniform, flexible TPO sheet. 1. Thickness: 80 mils, nominal. 2. Exposed Face Color: White.

2.4 VAPOR RETARDER

A. Self-Adhering-Sheet Vapor Retarder: Carlisle VapAir Seal 725TR or equivalent.

2.5 AUXILIARY MEMBRANE MATERIALS

A. General: Auxiliary membrane roofing materials recommended by roofing system manufacturer for intended use, and compatible with membrane roofing. 1. Liquid-type auxiliary materials shall comply with VOC limits of authorities having

jurisdiction. 2. Adhesives and sealants that are not on the exterior side of weather barrier shall comply

with the following limits for VOC content: a. Plastic Foam Adhesives: 50 g/L. b. Gypsum Board and Panel Adhesives: 50 g/L. c. Multipurpose Construction Adhesives: 70 g/L. d. Fiberglass Adhesives: 80 g/L. e. Single-Ply Roof Membrane Adhesives: 250 g/L. f. Single-Ply Roof Membrane Sealants: 450 g/L. g. Nonmembrane Roof Sealants: 300 g/L. h. Sealant Primers for Nonporous Substrates: 250 g/L. i. Sealant Primers for Porous Substrates: 775 g/L. j. Other Adhesives and Sealants: 250 g/L.

B. Adhesives and sealants that are not on the exterior side of weather barrier shall comply with the testing and product requirements of the California Department of Public Health's (formerly, the California Department of Health Services') "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers."

C. Sheet Flashing: Manufacturer's standard unreinforced TPO sheet flashing, 60 mils thick, minimum, of same color as sheet membrane.

D. Bonding Adhesive: Low VOC, Spray applied Jet Bond as manufactured by Firestone Building Products or equivalent.

E. Slip Sheet: NA

F. Metal Termination Bars: Manufacturer's standard, predrilled stainless-steel or aluminum bars, approximately 1 by 1/8 inch thick; with anchors.

G. Metal Battens: NA

H. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals 4470, designed for fastening membrane to substrate, and acceptable to membrane roofing system manufacturer. 1. Corrosion Resistant Coating: Pass minimum 30 Kesternich cycles.



2. Membrane Fasteners: Designed for fastening membrane to substrate, and acceptable to membrane roofing system manufacturer; sized to meet requirements to resist wind up-lift pressures specified in Part 2 “Performance Requirements” of this Section.

3. Base Sheet Fasteners: a. Wood Deck: Wood Screws, manufactured by OMG Roofing Products or equal. b. Steel Deck: OlyLok locking impact nail with an assembled 2.7 inch diameter plate,

manufactured by OMG Roofing Products or equal. c. Secondary Disks for All Fasteners: Sized to meet requirements to resist wind up-

lift pressures specified in Part 1 “Performance Requirements” of this Section. 4. Flashings Fasteners:

a. Masonry: Specially heat treated, stress relieved, 1-1/4-inch length; Masonry Nail, manufactured by Simplex Nails, Inc.

b. Wood Blocking: High carbon, zinc coated steel; annular threaded 1-inch shank nails; with minimum 1-inch x 30 gage metal disk; Roofing Nail, manufactured by Simplex Nails, Inc.

c. Concrete: Power actuated fasteners, suitable for application. d. Steel Framing: Appropriate for purpose intended, size as required to suit

application and achieve positive anchorage to substrate material. 5. Mechanical Fasteners for Metal Fabrications (Support Framing): Appropriate for purpose

intended, size as required to suit application and achieve positive anchorage to substrate material.

I. Membrane Termination Sealant: Compatible with membrane and materials to which membrane to be bonded, conforming to Federal Specifications TT-598 and TT-S-00230C; approved by membrane manufacturer.

J. Water Cut-Off Mastic: Compatible with materials with which it is used and approved by membrane manufacturer.

K. Night Seal: Compatible with materials on which it is used and approved by membrane manufacturer.

L. Pitch Pocket Sealant: Single component, self-leveling silicone sealant approved by membrane manufacturer.

M. Expansion Joint Filler: 1. Flexible Vapor Retarder: Minimum 60 mil thick vinyl sheet, or approved equal. 2. Compressible Insulation: Fiberglass batt insulation, or approved equal.

N. Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, preformed inside and outside corner sheet flashings, T-joint covers, lap sealants, termination reglets, and other accessories.

2.6 ROOF INSULATION

A. General: Preformed roof insulation boards manufactured by TPO membrane roofing manufacturer, selected from manufacturer's standard sizes suitable for application, of thicknesses indicated.

B. Polyisocyanurate Board Insulation: ASTM C 1289, Type II, Class 2, Grade 3, glass-fiber mat facer on both major surfaces. 1. Maximum Board Size: 48 x 48-inch 2. Minimum Board Thickness: 1-inch. 3. Compressive Strength: 20 pounds per square inch minimum



4. Manufacturers: Subject to compliance with requirements, [provide products by one of the following] [available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following]:

5. Basis-of-Design Product: a. Firestone Building Products – ISO 95+

C. Tapered Insulation: Provide factory-tapered insulation boards fabricated to slope as indicated in Roof System Schedule on drawings. Crickets shall be fabricated to a slope of 1/4 inch per 12 inches.

D. Provide preformed saddles, crickets, tapered edge strips, and other insulation shapes where indicated for sloping to drain. Fabricate to slopes indicated. 1. Cricket and Saddle Taper: 1/2-inch per foot minimum, or as required to counter roof

slope. 2. Edge Strips: Tapered as indicated, or as required by installation conditions.

2.7 INSULATION ACCESSORIES

A. General: Roof insulation accessories recommended by insulation manufacturer for intended use and compatibility with membrane roofing.

B. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals 4470, designed for fastening roof insulation[ to substrate, and acceptable to roofing system manufacturer; Roofgrip with Climaseal® coating, manufactured by Buildex. 1. Corrosion Resistant Coating: Pass minimum 30 Kesternich cycles. 2. Length: As required for thickness of material to penetrate substrate 1/2-inch minimum. 3. Top Plate: Plastic or metal washer/disc type, sized to meet requirements to resist wind

up-lift pressures specified in Part 1 “Performance Requirements” of this Section

C. Insulation Adhesive: Insulation manufacturer's recommended adhesive formulated to attach roof insulation to substrate or to another insulation layer as follows: 1. Bead-applied, low-rise, one-component or multicomponent urethane adhesive. 2. Full-spread spray-applied, low-rise, two-component urethane adhesive.

D. Cover Board: ASTM C 1177, glass-mat, water-resistant gypsum substrate, ½ inch, factory primed. 1. Products: Georgia-Pacific Corporation; Dens Deck Prime or equal.

2.8 WALKWAYS

A. Flexible Walkways: Factory-formed, nonporous, heavy-duty, slip-resisting, surface-textured walkway rolls, approximately 3/16-inch-thick, and acceptable to membrane roofing system manufacturer. 1. Roll Size: 34” x 50’ 2. Color: White.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that surfaces and site conditions are ready to receive work and that deck is supported and secured.





B. Verify the deck is clean and smooth, free of depressions, waves, or projections, properly sloped to drains or eaves.

C. Verify that deck surfaces are dry and free of snow or ice. Verify flutes of metal deck are clean and dry. Confirm deck dryness by moisture meter; maximum allowable: 12-percent.

D. Verify that roof openings, curbs, pipes, sleeves, ducts, and vents through the roof are solidly set and wood nailing strips are in place.

E. Beginning of installation means installer accepts existing surfaces.

3.2 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with the following requirements and other conditions affecting performance of roofing system: 1. Verify that roof openings and penetrations are in place and curbs are set and braced and

that roof drain bodies are securely clamped in place. a. Verify that existing roof drains are not plugged or partially blocked.

2. Verify that deck surfaces are dry and free of snow or ice. 3. Verify necessary slope has been built into decking. 4. Verify that wood blocking, curbs, and nailers are securely anchored to roof deck at

penetrations and terminations and that nailers match thicknesses of insulation. 5. Verify that surface plane flatness and fastening of steel roof deck are acceptable. 6. Verify flutes of metal deck are clean and dry. 7. Verify that minimum concrete drying period recommended by roofing system

manufacturer has passed. 8. Verify that concrete substrate is visibly dry and free of moisture. Test for capillary

moisture by plastic sheet method according to ASTM D 4263. 9. Verify that concrete curing compounds that will impair adhesion of roofing components to

roof deck have been removed. 10. Verify that deck is securely fastened with no projecting fasteners and with no adjacent

units in excess of 1/16 inch out of plane relative to adjoining deck.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.3 PREPARATION

A. Protect building surfaces against damage from roofing work.

B. Clean substrate of dust, debris, moisture, and other substances detrimental to roofing installation according to roofing system manufacturer's written instructions. Remove sharp projections.

C. Prevent materials from entering and clogging roof drains and conductors and from spilling or migrating onto surfaces of other construction. Remove roof-drain plugs when no work is taking place or when rain is forecast.

D. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at the end of the workday or when rain is forecast. Remove and discard temporary seals before beginning work on adjoining roofing.

E. Install insulation strips according to acoustical roof deck manufacturer's written instructions.



F. Clean areas to be covered with TPO roofing of all debris and deleterious materials including, wet insulation, damaged decking, gravel, grease, and bird droppings according to membrane manufacturer’s recommendations. 1. Remove loose gravel by power broom cleaning or vacuum.

G. Clean surfaces of roof and maintain free from all deleterious material during roofing operations.

H. Remove all unused accessories. Verify requirements with Owner’s Representative.

I. Repair or replace damaged or deteriorated deck in accordance with Division 7 Section “Roof Replacement Preparation”. 1. Wood Deck: Verify flatness and integrity of existing decking. 2. Metal Deck: Verify flatness and integrity of existing decking.

3.4 ROOFING INSTALLATION, GENERAL

A. Install roofing system according to roofing system manufacturer's written instructions.

B. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at the end of the workday or when rain is forecast. Remove and discard temporary seals before beginning work on adjoining roofing.

C. Install roofing and auxiliary materials to tie into existing roofing to maintain weathertightness of transition.

D. Cooperate with testing and inspecting agencies engaged or required to perform services for installing built-up roofing system.

E. Start installation of roofing in presence of roofing system manufacturer's technical personnel.

F. Unroll roofing membrane and allow to relax before installing.

G. Accurately align membrane roofing and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps.

H. Mechanically fasten or adhere membrane roofing securely at terminations, penetrations, and perimeter of roofing.

I. Apply membrane roofing with side laps shingled with slope of roof deck where possible.

J. Spread sealant bed over deck drain flange at roof drains and securely seal membrane roofing in place with clamping ring.

K. Install membrane roofing and auxiliary materials to tie into existing roofing to maintain weathertightness of transition.

3.5 VAPOR-RETARDED INSTALLATION

A. Self-Adhering-Sheet Vapor Retarded: Prime substrate if required by manufacturer. Install self-adhering-sheet vapor retarder over area to receive vapor retarder, side and end lapping each sheet a minimum of 3-1/2 inches and 6 inches, respectively. Seal laps by rolling.

B. Completely seal vapor retarded at terminations, obstructions and penetrations to prevent air movement into roofing system.



3.6 INSULATION INSTALLATION

A. Coordinate installing membrane roofing system components, so insulation is not exposed to precipitation or left exposed at the end of the workday.

B. Comply with membrane roofing system and insulation manufacturer's written instructions for installing roof insulation.

C. Install tapered insulation under area of roofing to conform to slopes indicated. 1. Lay tapered boards for a distance of 24-inches back from roof drains for positive

drainage.

D. Install insulation under area of roofing to achieve required thickness. Where overall insulation thickness is 2 inches or greater, install two or more layers with joints of each succeeding layer staggered from joints of previous layer a minimum of 6 inches in each direction. 1. Where installing composite and noncomposite insulation in two or more layers, install

noncomposite board insulation for bottom layer and intermediate layers, if applicable, and install composite board insulation for top layer.

E. Trim surface of insulation where necessary at roof perimeter so completed surface is flush and does not restrict flow of water.

F. Install insulation with long joints of insulation in a continuous straight line with end joints staggered between rows, abutting edges and ends between boards. Fill gaps exceeding 1/4 inch with insulation. 1. Cut and fit insulation within 1/4 inch of nailers, projections, and penetrations.

G. Mechanically Fastened and Adhered Insulation: Install each layer of insulation and secure first layer of insulation to deck using mechanical fasteners specifically designed and sized for fastening specified board-type roof insulation to deck type. Or, when indicated in system schedule adhere first layer of insulation to base sheet using insulation adhesive. 1. Fasten/Adhere first layer of insulation to resist uplift pressure at corners, perimeter, and

field of roof. 2. Set each subsequent layer of insulation in insulation adhesive, firmly pressing and

maintaining insulation in place.

H. Install cover boards over insulation with long joints in continuous straight lines with end joints staggered between rows. Offset joints of insulation below a minimum of 6 inches in each direction. Loosely butt cover boards together. 1. Set cover boards in ribbons of bead-applied insulation adhesive, firmly pressing and

maintaining insulation in place.

I. Apply no more insulation than can be sealed with membrane in same day.

3.7 ADHERED ROOFING INSTALLATION

A. Adhere roofing over area to receive roofing according to roofing system manufacturer's written instructions. Unroll roofing and allow to relax before retaining.

B. Bonding Adhesive: Apply to substrate and underside of membrane roofing at rate required by manufacturer and allow to partially dry before installing membrane roofing. Do not apply to splice area of membrane roofing.

C. In addition to adhering, mechanically fasten membrane roofing securely at terminations, penetrations, and perimeter of roofing.



D. Apply membrane roofing with side laps shingled with slope of roof deck where possible.

E. Seams: Clean seam areas, overlap membrane roofing, and hot-air weld side and end laps of membrane roofing and sheet flashings according to manufacturer's written instructions to ensure a watertight seam installation. 1. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut

edges of sheet membrane. 2. Verify field strength of seams a minimum of twice daily and repair seam sample areas. 3. Repair tears, voids, and lapped seams in roofing that does not comply with requirements.

F. Spread sealant bed over deck drain flange at roof drains and securely seal membrane roofing in place with clamping ring.

G. Install membrane roofing and auxiliary materials to tie into existing roofing to maintain weathertightness of transition.

3.8 BASE FLASHING INSTALLATION

A. Install sheet flashings and preformed flashing accessories and adhere to substrates according to membrane roofing system manufacturer's written instructions.

B. Apply bonding adhesive to substrate and underside of sheet flashing at required rate and allow to partially dry. Do not apply to seam area of flashing.

C. Flash penetrations and field-formed inside and outside corners with cured or uncured sheet flashing.

D. Clean seam areas, overlap, and firmly roll sheet flashings into the adhesive. Hot-air weld side and end laps to ensure a watertight seam installation.

E. Terminate and seal top of sheet flashings and mechanically anchor to substrate through termination bars.

F. Inspect flashing seams and repair unsealed locations, voids, and fishmouths.

G. Coordinate installation of roof drains, scuppers, sumps, and related flashings.

H. Expansion Joints: Install prefabricated custom expansion joints as indicated. Seal to deck membrane and vertical surface as required for flashings.

3.9 WALKWAY INSTALLATION

A. Flexible Walkways: Install walkway products in locations indicated. Heat weld to substrate or adhere walkway products to substrate with compatible adhesive according to roofing system manufacturer's written instructions. 1. Locations: Where indicated and at each rooftop unit (RTU) with operable components, at

base and top of each roof ladder, and at each roof hatch. 2. Install a minimum of two pads adjacent to each RTU access panel; roof ladder, and on

three sides of each roof hatch; or match width of access panel, ladder, or hatch plus 12-inches each side. Set joints 6 inches apart.

3.10 FIELD QUALITY CONTROL

A. Do not perform demolition during roofing operations.



B. Correct identified defects or irregularities. Cut out and repair membrane defects before end of each day.

C. Correct identified defects or irregularities. Cut out and repair membrane defects before end of each day.

D. Upon substantial completion, Owner may have Work inspected using infrared scanning and other appropriate means to establish conditions of completed Project.

E. Final Roof Inspection: Arrange for roofing system manufacturer's technical personnel to inspect roofing installation on completion and submit report to Architect. 1. Notify Architect or Owner 72 hours in advance of date and time of inspection.

F. Repair or remove and replace components of roofing system where inspections indicate that they do not comply with specified requirements.

G. Windstorm Inspection: Engage a Texas Department of Insurance (TDI) Inspector or Appointed Engineer to perform TDI required inspections and provide Inspection Verification and Certification of Compliance Forms.

H. Additional testing and inspecting, at Contractor's expense, will be performed to determine if replaced or additional work complies with specified requirements.

I. Roofing system will be considered defective if it does not pass tests and inspections.

3.11 MANUFACTURER'S FIELD SERVICES

A. Provide manufacturer's field services under provisions of Division 01 Section “Quality Requirements”.

B. Request site attendance of roofing materials manufacturers during installation of the work. 1. Frequency: Minimum of two (2) visits to project site each month during critical stages of

installation, 2. Coordination: Schedule visits to coincide with visits by Architect, including each monthly

pay application meeting. Note: Pay requests will not be approved unless written reports are current.

3.12 PROTECTING AND CLEANING

A. Where traffic must continue over finished roof installation, protect surfaces. 1. Minimum Protection: Cushion layer of insulation, minimum 1-inch thick, and one layer of

plywood or OSB panels minimum 15/32-inch thick. Ballast plywood or OSB for site and personnel protection.

B. Protect membrane roofing system from damage and wear during remainder of construction period. When remaining construction will not affect or endanger roofing, inspect roofing for deterioration and damage, describing its nature and extent in a written report, with copies to Architect and Owner.

C. Correct deficiencies in or remove membrane roofing system that does not comply with requirements; repair substrates; and repair or reinstall membrane roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements.



D. In areas where finished surfaces are soiled by adhesives, asphalt, or any other source of soiling caused by work of this Section, consult manufacturer of surfaces for cleaning advice and conform to their documented instructions.

E. Repair or replace defaced or disfigured finishes caused by Work of this Section.

F. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

3.13 CLEANING

A. Remove bituminous markings from finished surfaces.

B. In areas where finished surfaces are soiled by asphalt or any other source of soiling caused by work of this Section, consult manufacturer of surfaces for cleaning advice and conform to their documented instructions.

C. Repair or replace defaced or disfigured finished caused by work of this Section.

D. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

E. Power Wash Roof.

3.14 PROTECTION OF FINISHED WORK

A. Protect finished Work under provisions of Section 01 50 00 “Temporary Facilities and Controls.”

B. Protect roofing system from damage and wear during remainder of construction period. When remaining construction will not affect or endanger roofing, inspect roofing for deterioration and damage, describing its nature and extent in a written report, with copies to Architect and Owner.

C. Where traffic must continue over finished roof installation, protect surfaces. 1. Minimum Protection: Cushion layer of insulation, minimum 1-inch thick, and one layer of

plywood minimum 3/4-inch thick. Ballast plywood for site and personnel protection.

D. Correct deficiencies in or remove roofing system that does not comply with requirements, repair substrates, and repair or reinstall roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements.

3.15 FINAL TOUCH UP

A. Upon completion of all roof systems, flashing, accessory work and sheet metal applications, apply two coats of approved aluminum roof coating to accessories not replaced and items as directed by Owner’s Representative. 1. Paint existing pipes, drain strainers, metal vents, and other accessories with Type I

aluminum roof coating. 2. Apply at recommended rate, or at a minimum rate of 3/4 to 1 gallon/square.

3.16 INSULATION SCHEDULE

A. Minimum Total Insulation Thickness: 1. As required to achieve an insulation R value of 25 minimum.



3.17 ROOFING INSTALLER'S WARRANTY

A. WHEREAS <Insert name> of <Insert address>, herein called the "Roofing Installer," has performed roofing and associated work ("work") on the following project: 1. Owner: <Insert name of Owner>. 2. Address: <Insert address>. 3. Building Name/Type: <Insert information>. 4. Address: <Insert address>. 5. Area of Work: <Insert information>. 6. Acceptance Date: <Insert date>. 7. Warranty Period: <Insert time>. 8. Expiration Date: <Insert date>.

B. AND WHEREAS Roofing Installer has contracted (either directly with Owner or indirectly as a subcontractor) to warrant said work against leaks and faulty or defective materials and workmanship for designated Warranty Period,

C. NOW THEREFORE Roofing Installer hereby warrants, subject to terms and conditions herein set forth, that during Warranty Period he will, at his own cost and expense, make or cause to be made such repairs to or replacements of said work as are necessary to correct faulty and defective work and as are necessary to maintain said work in a watertight condition.

D. This Warranty is made subject to the following terms and conditions: 1. Specifically excluded from this Warranty are damages to work and other parts of the

building, and to building contents, caused by: a. Lightning; b. Peak gust wind speed exceeding <Insert wind speed> mph; c. Fire; d. Failure of roofing system substrate, including cracking, settlement, excessive

deflection, deterioration, and decomposition; e. Faulty construction of parapet walls, copings, chimneys, skylights, vents,

equipment supports, and other edge conditions and penetrations of the work; f. Vapor condensation on bottom of roofing; and g. Activity on roofing by others, including construction contractors, maintenance

personnel, other persons, and animals, whether authorized or unauthorized by Owner.

2. When work has been damaged by any of foregoing causes, Warranty shall be null and void until such damage has been repaired by Roofing Installer and until cost and expense thereof have been paid by Owner or by another responsible party so designated.

3. Roofing Installer is responsible for damage to work covered by this Warranty but is not liable for consequential damages to building or building contents resulting from leaks or faults or defects of work.

4. During Warranty Period, if Owner allows alteration of work by anyone other than Roofing Installer, including cutting, patching, and maintenance in connection with penetrations, attachment of other work, and positioning of anything on roof, this Warranty shall become null and void on date of said alterations, but only to the extent said alterations affect work covered by this Warranty. If Owner engages Roofing Installer to perform said alterations, Warranty shall not become null and void unless Roofing Installer, before starting said work, shall have notified Owner in writing, showing reasonable cause for claim, that said alterations would likely damage or deteriorate work, thereby reasonably justifying a limitation or termination of this Warranty.

5. During Warranty Period, if original use of roof is changed and it becomes used for, but was not originally specified for, a promenade, work deck, spray-cooled surface, flooded



basin, or other use or service more severe than originally specified, this Warranty shall become null and void on date of said change, but only to the extent said change affects work covered by this Warranty.

6. Owner shall promptly notify Roofing Installer of observed, known, or suspected leaks, defects, or deterioration and shall afford reasonable opportunity for Roofing Installer to inspect work and to examine evidence of such leaks, defects, or deterioration.

7. This Warranty is recognized to be the only warranty of Roofing Installer on said work and shall not operate to restrict or cut off Owner from other remedies and resources lawfully available to Owner in cases of roofing failure. Specifically, this Warranty shall not operate to relieve Roofing Installer of responsibility for performance of original work according to requirements of the Contract Documents, regardless of whether Contract was a contract directly with Owner or a subcontract with Owner's General Contractor.

E. IN WITNESS THEREOF, this instrument has been duly executed this <Insert day> day of <Insert month>, <Insert year>. 1. Authorized Signature: <Insert signature>. 2. Name: <Insert name>. 3. Title: <Insert title>.

END OF SECTION 07 54 23

07 92 00 ADDENDUM 1 JOINT SEALANTS JOB NO. RGCI 20.007 (MWA NO. 20-14) BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

JOINT SEALANTS 07 92 00 - 1

SECTION 07 92 00 - JOINT SEALANTS

PART 1 - GENERAL


A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes: 1. Urethane joint sealants. 2. Latex joint sealants.

B. Related Sections:

1. Division 04 Section "Unit Masonry" for masonry control and expansion joint fillers and gaskets.

2. Section 07 92 10 Roofing Sealants. 3. Division 08 Section "Glazing" for glazing sealants. 4. Division 09 Section "Gypsum Board" for sealing perimeter joints. 5. Division 09 Section "Tiling" for sealing tile joints. 6. Division 32 Section "Concrete Paving Joint Sealants" for sealing joints in pavements,

walkways, and curbing.

1.3 SUBMITTALS

A. Product Data: For each joint-sealant product indicated.

B. Samples for Initial Selection: Manufacturer's color charts consisting of strips of cured sealants showing the full range of colors available for each product exposed to view.

C. Samples for Verification: For each kind and color of joint sealant required, provide Samples with joint sealants in 1/2-inch- (13-mm-) wide joints formed between two 6-inch- (150-mm-) long strips of material matching the appearance of exposed surfaces adjacent to joint sealants.

D. Product Certificates: For each kind of joint sealant and accessory, from manufacturer.

E. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, indicating that sealants comply with requirements.

F. Warranties: Sample of special warranties.


A. Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project.



B. Source Limitations: Obtain each kind of joint sealant from single source from single manufacturer.

C. Mockups: Install sealant in mockups of assemblies specified in other Sections that are indicated to receive joint sealants specified in this Section. Use materials and installation methods specified in this Section.

1.5 PROJECT CONDITIONS

A. Do not proceed with installation of joint sealants under the following conditions:

1. When ambient and substrate temperature conditions are outside limits permitted by joint-sealant manufacturer or are below 40 deg F .

2. When joint substrates are wet. 3. Where joint widths are less than those allowed by joint-sealant manufacturer for

applications indicated. 4. Where contaminants capable of interfering with adhesion have not yet been removed

from joint substrates.

1.6 WARRANTY

A. Special Installer's Warranty: Manufacturer's standard form in which Installer agrees to repair or replace joint sealants that do not comply with performance and other requirements specified in this Section within specified warranty period.

1. Warranty Period: Two years from date of Substantial Completion.

B. Special warranties specified in this article exclude deterioration or failure of joint sealants from the following:

1. Movement of the structure caused by structural settlement or errors attributable to construction resulting in stresses on the sealant exceeding sealant manufacturer's written specifications for sealant elongation and compression.

2. Disintegration of joint substrates from natural causes exceeding design specifications. 3. Mechanical damage caused by individuals, tools, or other outside agents. 4. Changes in sealant appearance caused by accumulation of dirt or other atmospheric

contaminants.

PART 2 - PRODUCTS

2.1 MATERIALS, GENERAL

A. Compatibility: Provide joint sealants, backings, and other related materials that are compatible with one another and with joint substrates under conditions of service and application, as demonstrated by joint-sealant manufacturer, based on testing and field experience.

B. VOC Content of Interior Sealants: Provide sealants and sealant primers for use inside the weatherproofing system that comply with the following limits for VOC content when calculated according to 40 CFR 59, Part 59, Subpart D (EPA Method 24):

1. Architectural Sealants: 250 g/L.



2. Sealant Primers for Nonporous Substrates: 250 g/L. 3. Sealant Primers for Porous Substrates: 775 g/L.

C. Liquid-Applied Joint Sealants: Comply with ASTM C 920 and other requirements indicated for each liquid-applied joint sealant specified, including those referencing ASTM C 920 classifications for type, grade, class, and uses related to exposure and joint substrates.

1. Suitability for Immersion in Liquids. Where sealants are indicated for Use I for joints that will be continuously immersed in liquids, provide products that have undergone testing according to ASTM C 1247. Liquid used for testing sealants is deionized water, unless otherwise indicated.

D. Stain-Test-Response Characteristics: Where sealants are specified to be nonstaining to porous substrates, provide products that have undergone testing according to ASTM C 1248 and have not stained porous joint substrates indicated for Project.

E. Suitability for Contact with Food: Where sealants are indicated for joints that will come in repeated contact with food, provide products that comply with 21 CFR 177.2600.

F. Colors of Exposed Joint Sealants: As selected by Architect from manufacturer's full range.

2.2 SILICONE JOINT SEALANTS

A. Immersible, multicomponent, pourable, traffic-grade, urethane joint sealant: ASTM C 920. Type M, Grade P, Class 25, for Use T and I.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

a. LymTal International, Inc.; Iso-Flex 880 GB. b. May National Associates, Inc.; Bondaflex PUR 2 SL. c. Tremco Incorporated; Vulkem 245.

B. Multicomponent, nonsag, urethane joint sealant: ASTM C 920, Type M, Grade NS, Class 50, for Use NT.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following]:

a. Pecora Corporation; Dynatrol II. b. Polymeric Systems, Inc.; PSI-270. c. Tremco Incorporated; Dymeric 240/Dymeric 240 FC.

2.3 LATEX JOINT SEALANTS

A. Siliconized acrylic latex sealant, ASTM C 834, Type OP, Grade NF.

1. Products: Subject to compliance with requirements, available products that may be incorporated into the Work include, but are not limited to, the following:

a. BASF Building Systems; Sonolac. b. Bostik, Inc.; Chem-Calk 600. c. May National Associates, Inc.; [Bondaflex 600] [Bondaflex Sil-A 700].



d. Pecora Corporation; AC-20+. e. Schnee-Morehead, Inc.; SM 8200. f. Tremco Incorporated; Tremflex 834.

2. Colors: colors for each sealant installation will be selected by the architect from standard

colors normally available from the specified manufacturer.

2.4 JOINT SEALANT BACKING

A. General: Provide sealant backings of material that are nonstaining; are compatible with joint substrates, sealants, primers, and other joint fillers; and are approved for applications indicated by sealant manufacturer based on field experience and laboratory testing.

B. Cylindrical Sealant Backings: ASTM C 1330, Type C (closed-cell material with a surface skin) or Type B (bicellular material with a surface skin) as approved in writing by joint-sealant manufacturer for joint application indicated, and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance.

C. Bond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for preventing sealant from adhering to rigid, inflexible joint-filler materials or joint surfaces at back of joint. Provide self-adhesive tape where applicable.

2.5 MISCELLANEOUS MATERIALS

A. Primer: Material recommended by joint-sealant manufacturer where required for adhesion of sealant to joint substrates indicated, as determined from preconstruction joint-sealant-substrate tests and field tests.

B. Cleaners for Nonporous Surfaces: Chemical cleaners acceptable to manufacturers of sealants and sealant backing materials, free of oily residues or other substances capable of staining or harming joint substrates and adjacent nonporous surfaces in any way, and formulated to promote optimum adhesion of sealants to joint substrates.

C. Masking Tape: Nonstaining, nonabsorbent material compatible with joint sealants and surfaces adjacent to joints.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine joints indicated to receive joint sealants, with Installer present, for compliance with requirements for joint configuration, installation tolerances, and other conditions affecting joint-sealant performance.

B. Proceed with installation only after unsatisfactory conditions have been corrected.



3.2 PREPARATION

A. Surface Cleaning of Joints: Clean out joints immediately before installing joint sealants to comply with joint-sealant manufacturer's written instructions and the following requirements:

1. Remove all foreign material from joint substrates that could interfere with adhesion of joint sealant, including dust, paints (except for permanent, protective coatings tested and approved for sealant adhesion and compatibility by sealant manufacturer), old joint sealants, oil, grease, waterproofing, water repellents, water, surface dirt, and frost.

2. Clean porous joint substrate surfaces by brushing, grinding, mechanical abrading, or a combination of these methods to produce a clean, sound substrate capable of developing optimum bond with joint sealants. Remove loose particles remaining after cleaning operations above by vacuuming or blowing out joints with oil-free compressed air. Porous joint substrates include the following:

a. Concrete. b. Masonry. c. Unglazed surfaces of ceramic tile. d. Exterior insulation and finish systems.

3. Remove laitance and form-release agents from concrete. 4. Clean nonporous joint substrate surfaces with chemical cleaners or other means that do

not stain, harm substrates, or leave residues capable of interfering with adhesion of joint sealants. Nonporous joint substrates include the following:

a. Metal. b. Glass. c. Porcelain enamel. d. Glazed surfaces of ceramic tile.

B. Joint Priming: Prime joint substrates where recommended by joint-sealant manufacturer or as indicated by preconstruction joint-sealant-substrate tests or prior experience. Apply primer to comply with joint-sealant manufacturer's written instructions. Confine primers to areas of joint-sealant bond; do not allow spillage or migration onto adjoining surfaces.

C. Masking Tape: Use masking tape where required to prevent contact of sealant or primer with adjoining surfaces that otherwise would be permanently stained or damaged by such contact or by cleaning methods required to remove sealant smears. Remove tape immediately after tooling without disturbing joint seal.

3.3 INSTALLATION OF JOINT SEALANTS

A. General: Comply with joint-sealant manufacturer's written installation instructions for products and applications indicated, unless more stringent requirements apply.

B. Sealant Installation Standard: Comply with recommendations in ASTM C 1193 for use of joint sealants as applicable to materials, applications, and conditions indicated.

C. Install sealant backings of kind indicated to support sealants during application and at position required to produce cross-sectional shapes and depths of installed sealants relative to joint widths that allow optimum sealant movement capability.

1. Do not leave gaps between ends of sealant backings. 2. Do not stretch, twist, puncture, or tear sealant backings.



3. Remove absorbent sealant backings that have become wet before sealant application and replace them with dry materials.

D. Install sealants using proven techniques that comply with the following and at the same time backings are installed:

1. Place sealants so they directly contact and fully wet joint substrates. 2. Completely fill recesses in each joint configuration. 3. Produce uniform, cross-sectional shapes and depths relative to joint widths that allow

optimum sealant movement capability.

E. Tooling of Nonsag Sealants: Immediately after sealant application and before skinning or curing begins, tool sealants according to requirements specified in subparagraphs below to form smooth, uniform beads of configuration indicated; to eliminate air pockets; and to ensure contact and adhesion of sealant with sides of joint.

1. Remove excess sealant from surfaces adjacent to joints. 2. Use tooling agents that are approved in writing by sealant manufacturer and that do not

discolor sealants or adjacent surfaces. 3. Provide concave joint profile per Figure 8A in ASTM C 1193, unless otherwise indicated.

a. Use masking tape to protect surfaces adjacent to recessed tooled joints.

3.4 CLEANING

A. Clean off excess sealant or sealant smears adjacent to joints as the Work progresses by methods and with cleaning materials approved in writing by manufacturers of joint sealants and of products in which joints occur.

3.5 PROTECTION

A. Protect joint sealants during and after curing period from contact with contaminating substances and from damage resulting from construction operations or other causes so sealants are without deterioration or damage at time of Substantial Completion. If, despite such protection, damage or deterioration occurs, cut out and remove damaged or deteriorated joint sealants immediately so installations with repaired areas are indistinguishable from original work.

3.6 JOINT-SEALANT SCHEDULE

A. Joint-Sealant Application: Exterior joints in horizontal traffic surfaces subject to water immersion.

1. Joint Locations:

a. Control and expansion joints in cast-in-place concrete slabs, in brick pavers and between plant-precast architectural concrete paving units.

b. Joints in stone paving units, in tile control and expansion joints and between different materials listed above.

c. Other joints as indicated.



2. Urethane Joint Sealant: immersible, multicomponent, pourable, traffic grade. 3. Joint-Sealant Color: as selected by Architect from manufacturer's full range of colors.

B. Joint-Sealant Application: Exterior joints in vertical surfaces and horizontal nontraffic surfaces.

1. Joint Locations:

a. Construction joints in cast-in-place concrete and between plant-precast architectural concrete units.

b. Control and expansion joints in unit masonry and joints in dimension stone cladding.

c. Joints in glass unit masonry assemblies and between metal panels. d. Joints in exterior insulation and finish systems. e. Joints between different materials listed above. f. Perimeter joints between materials listed above and frames of doors, windows,

louvers and frames. g. Control and expansion joints in ceilings and other overhead surfaces. h. Other joints as indicated.

2. Urethane Joint Sealant: Multicomponent, nonsag, Class 50

3. Joint-Sealant Color: as selected by Architect from manufacturer's full range of colors.

C. Joint-Sealant Application: Interior joints in vertical surfaces and horizontal nontraffic surfaces.

1. Joint Locations:

a. Control and expansion joints on exposed interior surfaces of exterior walls and perimeter joints of exterior openings where indicated.

b. Tile control and expansion joints. c. Vertical joints on exposed surfaces of interior unit masonry, concrete walls and

partitions as indicated. d. Perimeter joints between interior wall surfaces and frames of interior doors,

windows and elevator entrances. e. Joints around door frames including joint between frames and floor finishes. Seal

around all window sills joints. f. Other joints as indicated.

2. Joint Sealant: acrylic based.

3. Joint-Sealant Color: as selected by Architect from manufacturer's full range of colors.


08 45 23 ADDENDUM 1 INSULATED TRANSLUCENT FIBERGLASS SANDWICH PANEL SYSTEM JOB NO.

RGCI 20.007

(MWA NO. 20-14)


08 45 23 - 1

SECTION 08 45 23

INSULATED TRANSLUCENT FIBERGLASS SANDWICH PANEL SYSTEM

(Non-Thermally Broken)

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes the insulated translucent sandwich panel skylight system and accessories as shown and specified. Work includes providing and installing:

1. Flat factory prefabricated structural insulated translucent sandwich panels 2. Aluminum installation system 3. Aluminum flashing

1.2 SUBMITTALS

A. Submit manufacturer’s product data. Include construction details, material descriptions, profiles and finishes of components.

B. Submit shop drawings. Include plans, elevations and details.

C. Submit samples representing manufacturer’s product:

1. Submit manufacturer's color charts showing the full range of colors available for factory-finished aluminum. When requested, submit samples for each exposed finish, in 5” long section for the same thickness and material indicated for the work.

2. When requested, submit manufacturer’s sample panels in same thickness and material indicated for the work.

a. Sandwich panels: 14” x 28” units

D. Submit Installer Certificate, signed by installer, certifying compliance with project qualification requirements.

E. Submit product reports from a qualified independent testing agency indicating each type and class of panel system complies with the project performance requirements, based on comprehensive testing of current products. Previously completed reports will be acceptable if for current manufacturer and indicative of products used on this project.

1. Reports required are:

a. International Building Code Evaluation Report

b. Flame Spread and Smoke Developed (UL 723) – Submit UL Card

c. Burn Extent (ASTM D 635)

d. Color Difference (ASTM D 2244)

e. Impact Strength (UL 972)

f. Bond Tensile Strength (ASTM C 297 after aging by ASTM D 1037)

g. Bond Shear Strength (ASTM D 1002)

h. Beam Bending Strength (ASTM E 72)

i. Fall Through Resistance (ASTM E 661)

j. Insulation U-Factor (NFRC 100)

k. NFRC System U-Factor Certification (NFRC 700)


RGCI 20.007

(MWA NO. 20-14)


08 45 23 - 2

l. NFRC Visible Light Transmittance (NFRC 202)

m. Solar Heat Gain Coefficient (NFRC or Calculations)

n. Condensation Resistance Factor (AAMA 1503)

o. Air Leakage (ASTM E 283)

p. Structural Performance (ASTM E 330)

q. Water Penetration (ASTM E 331)

r. Class A Roof Covering Burning Brand (ASTM E 108)

s. UL Listed Class A Roof System (UL 790) (Optional) – Submit UL Card

t. ASTM E1886/1996 or TAS 201, 202 and 203

u. LEED Credits

v. Daylight Autonomy

1.3 CLOSEOUT SUBMITTALS

A. Provide field maintenance manual to include in project maintenance manuals.


A. Manufacturer's Qualifications

1. Material and products shall be manufactured by a company continuously and regularly employed in the manufacture of specified materials for a period of at least ten consecutive years and which can show evidence of those materials being satisfactorily used on at least six projects of similar size, scope and location. At least three of the projects shall have been in successful use for ten years or longer.

2. Panel system must be listed by an ANSI accredited Evaluation Service, which requires quality control inspections and fire, structural and water infiltration testing of sandwich panel systems by an accredited agency.

3. Quality control inspections shall be conducted at least once each year and shall include manufacturing facilities, sandwich panel components and production sandwich panels for conformance with AC177 “Translucent Fiberglass Reinforced Plastic (FRP) Faced Panel Wall, Roof and Skylight Systems” as issued by the ICC-ES.

B. Installer’s Qualifications: Installation shall be by an experienced installer, which has been in the business of installing specified systems for at least five consecutive years and can show evidence of satisfactory completion of projects of similar size, scope and type.

1.5 PERFORMANCE REQUIREMENTS

A. The manufacturer shall be responsible for the configuration and fabrication of the complete panel system. 1. When requested, include structural analysis data signed and sealed by the qualified professional

engineer responsible for their preparation. 2. Standard skylight system shall have less than 0.01 cfm/ft² air leakage by ASTM E 283 at 6.24 PSF

(50 mph) and no water penetration by ASTM E 331 at 15 PSF; and structural testing by ASTM E 330. 3. Structural Loads; Provide system capable of handling the following loads as indicated on architectural

drawings and/or structural drawings. 1.6 DELIVERY STORAGE AND HANDLING

A. Deliver panel system, components and materials in manufacturer's standard protective packaging.

B. Store panels on the long edge; several inches above the ground, blocked and under cover in accordance with manufacturer's storage and handling instructions.


RGCI 20.007

(MWA NO. 20-14)


08 45 23 - 3

1.7 WARRANTY

A. Submit manufacturer's and installer's written warranty agreeing to repair or replace panel system work, which fails in materials or workmanship within five year of the date of delivery. Failure of materials or workmanship shall include leakage, excessive deflection, deterioration of finish on metal in excess of normal weathering, defects in accessories, insulated translucent sandwich panels and other components of the work.

B. Extended Panel Warranty: 10 years Limited Warranty covering separation of faces from grid core affecting structural strength, noticeable surface fiber exposure of the exterior panel face and/or abnormal color change of the exterior face sheet from date of delivery.

PART 2 - PRODUCTS

2.1 MANUFACTURER

A. The basis for this specification is for products manufactured by Kalwall Corporation. Other manufacturers may bid this project provided they comply with all of the performance requirements of this specification and submit evidence thereof. Listing other manufacturers’ names in this specification does not constitute approval of their products or relieve them of compliance with all the performance requirements contained herein.

B. Kalwall Corporation, Inc. locally distributed by Griesenbeck Architectural Products, Inc. 713-781-3287, [email protected]

C. Structures Unlimited, Inc., 800-225-3895, [email protected]

D. Rob Pelletier Construction, Inc (RPC, Inc), 888-759-2678, https://majorskylights.com/

2.2 PANEL COMPONENTS

A. Face Sheets

1. Translucent faces: Manufactured from glass fiber reinforced thermoset resins, formulated specifically for architectural use.

a. Thermoplastic (e.g. polycarbonate, acrylic) faces are not acceptable.

b. Face sheets shall not deform, deflect or drip when subjected to fire or flame.

2. Interior face sheets:

a. Flame spread: Underwriters Laboratories (UL) listed, which requires periodic unannounced

retesting, with flame spread rating no greater than 50 and smoke developed no greater than 250

when tested in accordance with UL 723.

b. Burn extent by ASTM D 635 shall be no greater than 1”.

3. Exterior face sheets:

a. Color stability: Full thickness of the exterior face sheet shall not change color more than 3 CIE

Units DELTA E by ASTM D 2244 after 5 years outdoor South Florida weathering at 5° facing

mailto:[email protected]

mailto:[email protected]

https://majorskylights.com/


RGCI 20.007

(MWA NO. 20-14)


08 45 23 - 4

south, determined by the average of at least three white samples with and without a protective

film or coating to ensure long-term color stability. Color stability shall be unaffected by abrasion or

scratching.

b. Strength: Exterior face sheet shall be uniform in strength, impenetrable by hand held pencil and

repel an impact minimum of 70 ft. lbs. without fracture or tear when impacted by a 3-1/4”

diameter, 5 lb. free-falling ball per UL 972.

4. Appearance:

a. Exterior face sheets: Smooth, .070” thick and White in color.

b. Interior face sheets: Smooth, .045 thick and White in color.

c. Face sheets shall not vary more than ± 10% in thickness and be uniform in color.

B. Grid Core

1. Aluminum I-beam grid core shall be of 6063-T6 or 6005-T5 alloy and temper with provisions for mechanical interlocking of muntin-mullion and perimeter. Width of I-beam shall be no less than 7/16”.

2. I-beam Thermal break: Minimum 1”, thermoset fiberglass composite.

C. Laminate Adhesive

1. Heat and pressure resin type adhesive engineered for structural sandwich panel use, with minimum 25-years field use. Adhesive shall pass testing requirements specified by the International Code Council “Acceptance Criteria for Sandwich Panel Adhesives".

2. Minimum tensile strength of 750 PSI when the panel assembly is tested by ASTM C 297 after two exposures to six cycles each of the aging conditions prescribed by ASTM D 1037.

3. Minimum shear strength of the panel adhesive by ASTM D 1002 after exposure to four separate conditions:

a. 50% Relative Humidity at 68° F: 540 PSI

b. 182° F: 100 PSI

c. Accelerated Aging by ASTM D 1037 at room temperature: 800 PSI

d. Accelerated Aging by ASTM D 1037 at 182° F: 250 PSI

2.3 PANEL CONSTRUCTION

A. Provide sandwich panels of flat fiberglass reinforced translucent face sheets laminated to a grid core of mechanically interlocking I-beams. The adhesive bonding line shall be straight, cover the entire width of the I-beam and have a neat, sharp edge.

1. Thickness: 2-3/4” 2. Visible Light Transmittance (VLT):

a. Visible LT (NFRC 202) by NFRC certified laboratory: 16%.

3. Solar heat gain coefficient 0.25. 4. Panel U-factor by NFRC certified laboratory:

a. 2-3/4” aluminum grid 0.29.

5. Grid pattern: Nominal size 12” x 24”; pattern Shoji.

B. Standard panels shall deflect no more than 1.9” at 30 PSF in 10’ 0” span without a supporting frame by ASTM E 72.

C. Standard panels shall withstand 1200° F fire for minimum one hour without collapse or exterior flaming.


RGCI 20.007

(MWA NO. 20-14)


08 45 23 - 5

D. Thermally broken panels: Minimum Condensation Resistance Factor of 80 by AAMA 1503 measured on the bond line.

E. Skylight System:

1. Skylight system shall pass Class A Roof Burning Brand Test By ASTM E 108.

F. Skylight System shall meet the fall through requirements of OSHA 1910.23 as demonstrated by testing in accordance with ASTM E 661, thereby not requiring supplemental screens or railings.

2.4 BATTENS AND PERIMETER CLOSURE SYSTEM

A. Closure system:

1. Extruded aluminum 6063-T6 and 6063-T5 alloy and temper clamp-tite screw type closure system. 2. Curved closure system may be roll formed. 3. Skylight perimeter closures at curbs shall be factory sealed to panels.

B. Sealing tape: Manufacturer's standard, pre-applied to closure system at the factory under controlled conditions.

C. Fasteners: 300 series stainless steel screws for aluminum closures, excluding final fasteners to the building.

D. Finish:

1. Manufacturer's factory applied finish, which meets the performance requirements of AAMA 2604. Color to be selected from manufacturer's standards.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Installer shall examine substrates, supporting structure and installation conditions. B. Do not proceed with panel installation until unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Metal Protection:

1. Where aluminum will contact dissimilar metals, protect against galvanic action by painting contact surfaces with primer or by applying sealant or tape recommended by manufacturer for this purpose.

2. Where aluminum will contact concrete, masonry or pressure treated wood, protect against corrosion by painting contact surfaces with bituminous paint or method recommended by manufacturer.

3.3 INSTALLATION

A. Install the skylight system in accordance with the manufacturer's suggested installation recommendations and approved shop drawings.

1. Anchor component parts securely in place by permanent mechanical attachment system. 2. Accommodate thermal and mechanical movements. 3. Set perimeter framing in a full bed of sealant compound, or with joint fillers or gaskets to provide

weather-tight construction.


RGCI 20.007

(MWA NO. 20-14)


08 45 23 - 6

B. Install joint sealants at perimeter joints and within the panel system in accordance with manufacturer's

installation instructions.

3.4 FIELD QUALITY CONTROL

A. Water Test: Installer to test skylights according to procedures in AAMA 501.2. B. Repair or replace work that does not pass testing or that is damaged by testing and retest work.

3.5 CLEANING

A. Clean the skylight system interior and exterior, immediately after installation. B. Refer to manufacturer's written recommendations.


ADDENDUM 1 TABLE OF CONTENTS JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

TOC-1

ADDENDUM 1 TABLE OF CONTENTS


ENGINEER’S PROJECT 2016A

SPECIFICATIONS

DIVISION 22 - PLUMBINGSECTION 22 00 00 ADDENDUM 1 GENERAL PLUMBING REQUIREMENTS 6 PAGES

SECTION 22 05 00 ADDENDUM 1 COMMON WORK RESULTS FOR PLUMBING 6 PAGES

SECTION 22 16 00 ADDENDUM 1 BUILDING PROPANE GAS PIPING 2 PAGES

DIVISION 23 – HEATING VENTILATING AND AIR CONDITIONING (HVAC)SECTION 23 00 00 ADDENDUM 1 GENERAL HVAC REQUIREMENTS 8 PAGES

SECTION 23 00 10 ADDENDUM 1 HVAC CLOSEOUT REQUIREMENTS 2 PAGES

SECTION 23 05 00 ADDENDUM 1 COMMON WORK RESULTS FOR HVAC 3 PAGES

SECTION 23 05 93 ADDENDUM 1 HVAC TEST AND BALANCE 6 PAGES

SECTION 23 81 00 ADDENDUM 1 DECENTRALIZED UNITARY AIR CONDITIONERS 3 PAGES

DIVISION 26 - ELECTRICALSECTION 26 00 00 ADDENDUM 1 GENERAL ELECTRICAL REQUIREMENTS 8 PAGES

SECTION 26 00 10 ADDENDUM 1 ELECTRICAL CLOSEOUT REQUIREMENTS 3 PAGES

SECTION 26 05 00 ADDENDUM 1 COMMON WORK RESULTS FOR ELECTRICAL 10 PAGES

SECTION 26 24 00 ADDENDUM 1 PANELBOARDS 3 PAGES

SECTION 26 27 26 ADDENDUM 1 WIRING DEVICES 3 PAGES

SECTION 26 28 00 ADDENDUM 1 LOW-VOLTAGE CIRCUIT PROTECTIVE DEVICES 2 PAGE

DIVISION 27 - COMMUNICATIONSNONE

DIVISION 28 – ELECTRONIC SAFETY AND SECURITYSECTION 28 31 00 ADDENDUM 1 FIRE DETECTION AND ALARM 8 PAGES

ADDENDUM 1 DRAWING LIST

M3-100 ADDENDUM 1 MECHANICAL DEMO ROOF PLAN

M3-200 ADDENDUM 1 MECHANICAL ROOF PLAN

M3-300 ADDENDUM 1 MECHANICAL DETAILS & SCHEDULES

E3-200 ADDENDUM 1 ELECTRICAL ROOF PLAN

E3-300 ADDENDUM 1 ELECTRICAL ONE-LINE & PANEL SCHEDULES

E3-301 ADDENDUM 1 ELECTRICAL NOTES & DETAILS

P3-200 ADDENDUM 1 PLUMBING ROOF PLAN AND DETAILS

END OF SECTION

22 00 00 ADDENDUM 1 GENERAL PLUMBING REQUIREMENTS JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 22 00 00-1

SECTION 22 00 00 GENERAL PLUMBING REQUIREMENTS

PART 1 - GENERAL REQUIREMENTS


A. The General Provisions of the Contract, including General, Supplementary and Special Conditions, apply to the work specified in this Section.

1.2 INTENT OF DRAWINGS AND SPECIFICATIONS

A. GENERAL: Drawings and Specifications are intended to be complimentary. Any work described in either of them, will be work required under this contract. Where there is a conflict between the Drawings and Specifications it shall be clarified by RFI. Barring clarification prior to bidding the most expensive option shall be included and clarification shall be made during construction. Should any work required by the drawings and specifications be in violation of any Federal, State, County or City laws, ordinance or regulation, those laws and regulations shall prevail, and shall be complied with by the Contractor as a part of this work with no extra compensation.

B. DRAWINGS: The drawings are schematic in nature, intended to show the various components of the system approximately to scale and indicate how they are to be integrated with other parts of the building. Determine exact locations by close coordination with the Owner’s Representative, job measurements, determining the requirements of other trades and reviewing all contract documents. The Drawings indicated general routing of the various parts of the systems, but do not indicated all fittings and offsets which may be required to fit the system into spaces allotted for them. The Contract shall include these items as required for a complete installation.

C. BASIS OF DESIGN: Equipment that is scheduled is the basis of the design and has been coordinated for space, installation and electrical requirements. Equipment and models from other acceptable manufacturers have not been verified or coordinated. Contractor shall verify these requirements prior to using other equipment in his bid and include any additional costs for installation of the substitute equipment.

1.3 MATERIALS

A. GENERAL: Manufacturer's printed directions shall be followed for preparing, assembling, installing, erecting and cleaning manufactured materials or equipment, unless otherwise directed. Materials, when not otherwise definitely specified, shall conform to applicable National Specifications and Standards. All materials shall be certified to not contain any asbestos or other material banned by the Environmental Protection Agency. Lead shall not be used in any material, pipe or solder in contact with the domestic water system.

B. SUBSTITUTION: The names of manufacturers and model numbers have been used in the Contract Documents to establish type of equipment and standard of quality. Where only one name is mentioned for a particular item of material, then that manufacturer is the only one acceptable. Where several names are mentioned, any one of those listed may be furnished provided submittal contains sufficient information to show complete compliance with contract Documents. No attempt has been made to determine if each manufacturer listed will produce material that will comply with all requirements of this project or will fit the allotted space.

C. SUBSTITUTION REQUIREMENTS: Requests for substitution during the bidding period,


Section 22 00 00-2

in accordance with the requirements of the Special Conditions, must be accompanied by a complete product submittal with all features, accessories and capacities noted. Large equipment must include a drawing to scale showing how the equipment and required access space will fit the available space. Acceptance for bidding does not waive the post bidding requirement for formal submittal and approval.

1.4 RELATED WORK SPECIFIED IN OTHER SECTIONS

A. ELECTRICAL: Power wiring is specified in the Electrical Section. Controllers and starters, unless part of a motor control center, are specified under this Section.

B. PAINTING OF EQUIPMENT, PIPING AND ACCESSORIES: Painting Section. However, all items furnished under this Section shall be kept clean and free from corrosion.

C. OPENINGS: Various Sections. The locations of all inserts and openings shall be determined under this Section and coordinated with other Sections in ample time to avoid cutting new construction.

D. EQUIPMENT AND PIPING SUPPORTS REQUIREMENTS: Refer to structural drawings, details and notes for specific support and pipe hanging requirements. Specific loading and attachment methods shall be followed to assure that individual structural members are not overloaded.

1.5 ALTERNATES

A. PROJECT ALTERNATES: Determine the scope of each specified alternate proposal by carefully reading all Divisions of the Documents. The Bid Form contains information explaining the extent of the construction to be performed under a specific alternate. Alternate proposals, which are not predominantly plumbing in scope, are described in other Divisions of these Documents. Pay particular note to re-roofing items that may necessitate adjustments to existing piping.

B. ALTERNATIVE EQUIPMENT: Certain types of equipment as listed below require the specified brand and model to be included in the base bid. At the contractor’s option, he may propose equivalent equipment from one of the listed alternate manufacturers for one or more of these types of equipment. The contractor shall list in this alternate bid the name of the item, manufacturer’s name, model number and the amount to be deducted from his base bid.

1.6 PERMITS, FEES AND APPROVALS

A. The contractor shall obtain and pay for all permits and fees to perform his work. He shall comply with all laws, ordinances, rules and regulations bearing on the conduct of the work specified or shown on the drawings. This applies to Federal, State and Local Codes and Requirements. Approval from the various insuring and inspection authorities shall also be obtained. Refer to Architectural sections for additional information.

1.7 VISITING THE SITE

A. The Contractor shall be familiar with the Drawings and Specifications and shall have examined the premises and understand the conditions under which he will be obligated to operate in performing the contract. No additional compensation shall be allowed for failure to fully understand the requirements.


Section 22 00 00-3

1.8 GUARANTEE

A. All equipment and materials furnished under this Section of these Specifications shall be new and free from any defects when accepted by the Owner and shall be guaranteed in writing for a period of one year from the date of acceptance by the Owner unless noted to have extended warranties. All extended warranties shall be from the date of acceptance by the Owner regardless of when the equipment was delivered to the job site or started up by the contractor.

1.9 NOISE AND VIBRATIONS

A. The Contractor shall guarantee that the entire system and its component items of equipment, as installed by him, shall operate without objectionable vibration or noises. If, in the opinion of the Architect, objectionable vibration or noise is present, the Contractor shall execute such remedial measures as are necessary to eliminate such unsatisfactory operating conditions and the material and labor thereby required shall be performed at the Contractor's expense.

1.10 INSTALLATION REQUIREMENTS

A. COORDINATION: The Contractor shall cooperate with other trades on the job and make installations in the proper sequence during the construction of the buildings, and he shall notify the Architect well in advance of construction of all interference of his work with that of other trades and of building construction. This notification shall not relieve the contractor of his responsibilities to coordinate his work with the total project.

B. WORKMANSHIP: All work shall be performed in a neat workmanlike manner and in the best practice of the trade. Only workmen skilled in the trades shall be employed to perform the work included in these specifications.

C. CLEAN-UP: Keep area of operations free from accumulation of waste material or rubbish at all times. All piping above accessible ceilings shall be cleaned of cement, plaster and other construction debris prior to being concealed. The parts of the Plumbing installation which are to be painted or insulated shall be thoroughly cleaned of cement, plaster, grease, oil spots and other materials in preparation for painting or insulating.

D. EQUIPMENT PROTECTION: Do not deliver equipment to jobsite until it is actually needed for installation. Protect equipment from damage due to construction activities and the weather. Equipment allowed to stand in weather will be rejected and Contractor is obligated to furnish new equipment at no cost to Owner.

1.11 CLOSEOUT REQUIREMENTS

A. AS-BUILT DRAWINGS: Obtain a set of project drawings and keep these at jobsite during construction. During the course of construction, mark on these prints any changes which are made, noting particularly locations for those items which will need to be located for servicing. At completion of job, mark each sheet "Record Drawings", date and deliver to Architect.

B. OWNER’S INSTRUCTIONS: Provide four hours of instruction on operation and maintenance of the installed systems to the Owner's designated personnel upon completion of the system's installation.

C. CLOSEOUT MANUALS: At completion of job, furnish three copies of spare parts lists and operating instructions for all equipment furnished under this Division. These lists and instructions shall be published by the manufacturer of the equipment. Bind in 3-ring


Section 22 00 00-4

binders with project name.

D. SPARE PARTS: Upon completion of the installation, deliver to the Owner all tools and spare parts that are furnished by the Equipment Manufacturer for use with the equipment furnished under this Contract.

1.12 SHOP DRAWINGS

A. All submittals shall be submitted in PDF form. Submittal will be reviewed with comments incorporated in this PDF. After final approval, Contractor shall provide a hard copy for use at the project site.

B. The purpose of these submittals is to attempt to aid the contractor in such a manner that improper or unacceptable materials are not delivered to or installed on the job. Shop drawings shall be approved before installation of the material under consideration. Approval of these submittals shall not be construed as releasing The Contractor from compliance with the Contract Documents. All materials and equipment shall be subject to final acceptance by the Engineer at completion of construction.

C. Shop Drawings shall consist of published ratings of capacity data, detailed construction drawings, wiring and control diagrams, performance curves, installation instructions, manufacturer's installation drawings and other pertinent data. Where the literature is submitted covering a group or series of similar items, the item under consideration shall be clearly indicated. Drawings shall be submitted showing revisions to equipment layouts due to use of alternate or substitute equipment. The front sheet of each copy of the submittal shall have the following typed information:

01 Job name and location.

02 General Contractor's name, address, Project Manager's name and telephone number.

03 Submitting Sub-contractor's name, address, Project Manager's name and telephone number.

04 Suppliers company name, address, salesman's name and telephone number.

D. Shop Drawings are required for but are not limited to the following items:

01 Gas Piping, Regulators and Accessories Roof Pipe Supports

02 Sanitary Waste & Vent Piping

E. If a submittal is returned to the Contractor marked “Rejected” or “Revise and Resubmit”, only one (1) additional submittal will be permitted without the Contractor incurring charges for the additional re-submittals. SEG shall be reimbursed by the Contractor for any expense in connection with any necessary submission in addition to the two (2) submissions allowed. Contractor will be billed by SEG at a rate of $125/hr. for these occurrences.

1.13 PLUMBING INSPECTIONS

A. GENERAL: Contractor shall formally request inspections of any and all plumbing systems installations. Inspections shall include but not be limited to: pipe tests, underground installations prior to backfill, rough-in installations, wall cover inspections, above ceiling inspections and final inspection.

B. INSPECTION REPORTS: After each inspection, the Engineer will generate an inspection report and distribute promptly. The Contractor will then be given 7 working days from date of report to address all deficiencies listed on the report. The General


Section 22 00 00-5

Contractor shall verify that all items on each inspection report have been addressed by their subcontractors in this time period. Once verified the General Contractor shall sign-off on each deficiency listed on the report and return the signed-off copy of the inspection report to the Architect and Engineer via e-mail.

C. Contractor shall provide a MINIMUM of 48 hour notice prior to requested inspection time, no exceptions.

D. INSPECTION REPORTS: After each inspection, SEG will generate an inspection report and distribute promptly. The Contractor will then be given 7 working days from date of report to address all deficiencies listed on the report. The GENERAL CONTRACTOR shall verify that all items on each inspection report have been addressed by their subcontractors in this time period. Once verified the GENERAL CONTRACTOR shall sign-off on each deficiency listed on the report and return the signed-off copy of the inspection report to SEG via e-mail. After the signed-off report is returned to SEG, the GENERAL CONTRACTOR shall request a re-inspection by SEG to close the report. If after 7 working days no re-inspection is requested by the GENERAL CONTRACTOR to close a report, SEG reserves the right to re-inspect whenever our schedule allows, with these re-inspections still being subject to Paragraph E below.

E. TEST REJECTIONS AND RE-INSPECTIONS: If a test is rejected or a re-inspection of an issued SEG Inspection Report is found to NOT be completely addressed, only ONE (1) additional inspection will be permitted without the Contractor incurring charges for each additional inspection required. SEG shall be reimbursed $500 by the GENERAL CONTRACTOR for expenses in connection with EACH inspection in addition to the two (2) inspections allowed.

1.14 DEMOLITION AND REMODELING

A. In areas of demolition, contractor shall remove all plumbing equipment, piping and devices not to be reused. Any material that has salvage value shall be offered to the Owner, and if accepted, delivered to his warehouse. If not accepted it shall be properly disposed of with the other construction debris.

B. Where existing systems serve other areas as well, they shall remain active in those areas. Cap, patch and relocate piping as required to keep systems operable.

C. Remove and replace ceilings, walls, floors and other finishes as necessary to install or modify plumbing systems.

D. Where ceilings are to be removed or replaced, adjust/reinstall existing sprinkler devices.

E. Where existing starters are to be reused, install heaters with proper size for revised loads.

F. Relocate piping as necessary to allow new or modified construction. Repair existing plumbing systems damaged by construction activities.

G. Where large equipment is to be replaced (water heaters, tanks, pumps, etc.), ensure that equipment that is an acceptable manufacturer but not the scheduled brand will fit the available space and can be installed through existing doors, louvers or windows, prior to using this equipment in the bid.

H. Where new water piping connects to the existing system, system may require partial or complete draining of water. Include the costs of shutdown, drainage, and restarting of the system. Provide isolation valves at all new connections to existing systems.

I. Where existing equipment is modified or replaced (MEP and Architectural) and interfaces with the Energy Management System, disconnect and reconnect EMS wiring, and replace sensors as necessary.


Section 22 00 00-6

J. When new piping connects to existing piping, determine the exact location and size of the existing piping prior to fabrication or installation of new piping and related construction.

K. Where existing equipment is replaced with new, including mechanical equipment, reconfigure and extend as necessary gas, domestic water and drain piping to accommodate the new equipment. Provide new shutoff valves for domestic water and gas piping connections.

END OF SECTION

22 05 00 ADDENDUM 1 COMMON WORK RESULTS PLUMBING JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 22 05 00-1

SECTION 22 05 00 COMMON WORK RESULTS FOR PLUMBING

PART 1 - GENERAL REQUIREMENTS



B. The General Plumbing Requirements as specified in Sections 22, apply to the work specified in this Section.

C. Equipment shall meet or follow applicable requirements in other sections of the specifications and on the drawings.

D. Equipment shall meet applicable requirements include in the NEC, UL, NEMA and ANSI Standards and be so labeled.

E. Provide Shop Drawings per Section 22 00 00.

PART 2 - MATERIALS AND METHODS

2.1 CUTTING AND PATCHING

A. Coordinate the work with other trades to arrange for all holes, chases, and other spaces necessary for the installation of all components of the plumbing systems. Inform the other trades in ample time for these to be provided. Failure to comply with this requirement may necessitate cutting and patching work. If such work becomes necessary, it will be done under this Section of the specifications, and shall conform to all applicable requirements of other Sections of the Specifications.

B. Where concrete flooring or paving must be cut to install MEP systems, contractor shall take measures to prevent damaging existing underground services. Contractor shall utilize ground penetrating radar and electrical circuit tracing equipment in the area to be saw cut to determine the existence of underground services. When saw cutting, limit the depth of the cut to less than the thickness of the concrete. Breakout the concrete manually with special care in areas of possible underground services.

2.2 STRUCTURAL STEEL

A. All structural steel used for the purpose of fabricating pipe supports, pipe guides, pipe anchors and equipment supports, shall conform to ASTM Designation A-36. All steel used for these purposes shall be new, clean, straight and galvanized.

2.3 CONCRETE PADS

A. All equipment mounted on the floor shall have a concrete housekeeping pad. Concrete pads shall be sized for the equipment to be supplied. Pad shall exceed base dimensions by approximately 4" all around. Reinforce pads rebar including #4 bar around perimeter. Tool pad to form chamfered edge. Nominal thickness shall be 4”. Refer to details for outdoor equipment.


Section 22 05 00-2

2.4 PIPE SUPPORTS

A. GENERAL: Provide pipe supports and guides of size and type to support pipe as well as limit movement. Minimum size hanger rod shall be 3/8”. Piping connected to a piece of equipment shall have a support located near enough to the equipment that there will be no pipe weight supported by the equipment. In no case shall the nearest support be more than two feet horizontally from the connection point. Pipe support material shall be selected to be compatible with the pipe material to prevent galvanic corrosion. Un-insulated copper piping shall be wrapped with gas wrap tape at each hanger (minimum 2” beyond hanger), and supports shall be hot dipped copper clad or plastic covered. Vertical copper piping shall have a minimum on one intermediate support if over five feet.

B. HORIZONTAL PIPING SUPPORT SPACING: As recommended by support manufacturer, but spaced not more than listed below:

01 Pipe Size Steel Pipe Other Pipe

02 1" & Smaller 6 Feet 4 Feet

03 1¼" & 1½" 8 Feet 5 Feet

04 2" 8 Feet 5 Feet

05 2½" to 4" 8 Feet 6 Feet

06 6" and Larger 8 Feet 6 Feet

C. SUPPORT FROM ABOVE: Support piping near roof or upper floor from structure if sufficient strength exists. Use a method suitable for type of construction and of sufficient strength. Use threaded steel hanger rods of diameter required to safely support loads. Minimum size hanger rod shall be 3/8”. Install rods through holes drilled in beam flanges, 1½" x 1½" x 8" angles welded to structural members or top cord slot at joist panel points and secure with large washers and nuts. Refer to structural drawing details for additional information. Hangers shall be manufactured by Grinnell or Tolco. Do not use perforated strap.

01 SINGLE RUNS OF PIPE, NO EXPANSION PROBLEM: Adjustable clevis type Grinnell Figure 260.

02 MULTIPLE RUNS: Trapeze hangers.

03 BEAM CLAMPS: Grinnell Figure 92 for smaller pipe

04 BEAM CLAMPS: Grinnell Figure 228 (storm or sanitary 8” and larger)

D. SUPPORT FROM BELOW: All piping near the floor, or where ceiling structure does not have sufficient strength, or where there is no ceiling shall be supported from below. Support members shall be steel pipe with base plates, or welded steel structure suitably braced. Unless described by detail on the drawings, provide Tolco Pipe Pier Supports four foot on center to support piping on the roof. Select for proper weight loading.

E. SUPPORT MATERIAL FINISH: Galvanized or cadmium plated steel. Provide hot dipped copper clad supports for copper piping.

F. PIPE SADDLES: Install 18 gauge, formed galvanized sheets at each support point for insulated pipe, shaped to fit pipe, and covering bottom half of pipe. Length at saddle shall be not less than twice the insulation outside diameter, 16” minimum length. Provide compressible gasketing between non-insulated plastic pipe and hangers. Provide insulating material between dissimilar metal.

G. PLUMBING CHASE PIPING: Plumbing piping located in chases and at individual fixtures not located at chases shall be rigidly supported and aligned using the Sumner Pipe


Section 22 05 00-3

Support and Alignment System, Hubbard Holdrite System or Unistrut with U-bolts and pipe clips.

H. SWAY BRACING: All horizontal no-hub cast iron piping larger than 4” shall have sway bracing per the manufacturer’s recommendations.

2.5 VALVE AND FITTING SIZES

A. All hand valves, fittings and other piping accessories shall be size of the line in which installed unless specifically indicated otherwise on the Drawings.

2.6 VALVES, STRAINERS AND DEVICES

A. GENERAL: All pressures shown below are minimum working pressures. Provide memory stops for valves used for throttling service. All devices shall suitable for domestic water service.

B. BALL VALVE: Provide for 2" and smaller pipe: Bronze body, threaded connection, full port, Teflon seat, stainless steel trim, extension stem for insulation. Nibco T-585-70-66-EL

C. BUTTERFLY: 2½" and larger, 200# full lug ductile iron type body, EPDM stem seals and seat liner, aluminum bronze disc, 416 stainless steel stem, extended neck for insulated lines, notched top plate with handle for throttling. All valves certified suitable for dead end service with no downstream flange. Nibco LD-2000

D. GATE VALVE: Provide for copper pipe 2½" and larger only: 150# bronze, threaded connection, union bonnet, solid wedge and rising stem. Nibco T-134 or F-617-0. Nibco LD-2000-3, 200 psig butterfly valve with lever-lock operator shall be acceptable in lieu of gate valve.

E. GAS VALVES: Ball type ANSI B16.33-1981, ANSI B16.38-1978 or UL 842-1980 approved and rated at the gas pressure of application. Nibco T-580-70-UL

F. SMALL GAS COCKS: Nibco T-585-70-UL

G. SHUTOFF VALVE AT GAS METER: Rockwell plug valve with grease fittings

H. CHECK: 2" and under, 125# bronze body, bronze swing check with Teflon seat; 2½" and over 125# iron body, flanged, bronze trim. Nibco T-413-Y or W-920-W

I. UNIONS: Brass insert, ground joint

J. INSULATION PROVISIONS: Valves on insulated lines shall have stems extending through insulation.

K. BACKFLOW PREVENTER: Provide Watts Series U-909SQT preventer at makeup water connection to building chilled and heating water systems. Provide 909AG air gap drain funnel with drain line extension. No other brand or model is acceptable.

L. INSTALLATION: Ball and butterfly valves shall be installed such that handle for valve is positioned on the side of the pipe and is pulled down to close the valve. All valves above a ceiling shall be installed within 24” of the ceiling.

M. ACCEPTABLE MANUFACTURERS: Apollo, Kitz, Milwaukee and Nibco

2.7 VALVE INSTALLATION


Section 22 05 00-4

A. Ball and butterfly valves shall be installed such that handle for valve is positioned on the side of the pipe and is pulled down to close the valve. Provide access panels of adequate size for concealed valves. All valves above a ceiling shall be installed within 24” of the ceiling. Valves for water heaters or similar equipment shall be located near the equipment and no higher than 72” AFF. For multiple heaters manifolded together, provide supply and discharge valves for each heater, to all system operation with one or more heaters removed.

2.8 PIPE IDENTIFICATION

A. Identify all new and existing system piping. Use EMED Co. Kwik-Koil Pipe Markers of appropriate legend and background color, complete with direction arrow. Select appropriate size for O.D. of piping including insulation. Markers or arrows not wrapping the full circumference of the pipe shall be tie wrapped in place, otherwise taped at each end.

B. Apply markers as follows:

01 At input and output of each piece of equipment inside building.

02 At each valve not in a mechanical room.

03 At every point a pipe enters or exits a wall or floor.

04 At intervals not exceeding 20 feet.

C. These markers shall conform to OSHA and ANSI A 13.1 Codes. Arrow markers must have same ANSI background colors as their companion pipe markers and wrap completely around pipe with 3” overlap.

D. Pipe markers and arrow markers shall be provided as follows:

01 Domestic Hot Water

02 Domestic Cold Water

03 Domestic Hot Water Return

04 Natural Gas

05 Compressed Air

06 Fire Standpipe

2.9 VALVE IDENTIFICATION

A. GENERAL: Each valve 2” and larger, except those located adjacent to the equipment they serve, shall have a tag of .050-inch-thick by 1½" diameter brass, stamped or engraved with the valve number and service symbol. Attach tag to the valve with stainless steel chain.

B. SCHEDULE: Furnish a valve schedule properly identifying the valve number and service with the exact location, the material within the pipe and the room numbers or area that the valve serves. Mark the symbol and number of all valves, exactly as the valves are tagged on the "As Built" Drawings. Provide one valve schedule, as above, installed in aluminum frame with plastic shield, and mount on wall of main equipment room.

C. CEILING IDENTIFICATION: For valves above accessible ceilings, glue red star on ceiling tee intersection nearest the valve location.


Section 22 05 00-5

2.10 PAINTING

A. GENERAL: All piping or insulation on piping exposed to view shall be painted. Insulated pipe with required metal jacket shall not be painted. All above grade gas piping shall be painted.

B. PAINT TYPE: Industrial grade, high gloss enamel over suitable primer. Provide two finish coats.

C. COLOR CODING: (Verify with Architect prior to painting)

01 Gas Piping Yellow

02 Fire System Red

2.11 TESTING GAS PIPING SYSTEMS

A. GENERAL: All new and existing gas piping shall be tested and repaired as required for safe operation and the passing of the Texas Railroad Commission requirements. All testing shall be witnessed and approved by the Engineer and the Owner’s Representative.

B. GAS PIPING TESTING

01 Preliminary gas test as required by Code, but a minimum test pressure of 50 PSIG held for not less than eight hours without noticeable drop.

02 Test joints with a soap solution while lines are under pressure. Repair any leaks that are detected.

03 Final gas test shall be with a 24-inch column of mercury or a diaphragm gauge with a minimum dial size of 3.5 inches with a set hand and a pressure range not to exceed 20 PSIG with 2/10 pound increments. The minimum test pressure shall be not less than 10 PSIG and the maximum pressure shall not exceed 12 PSIG. The test shall be observed by the Engineer and the Owner’s Representative for a minimum of 30 minutes with no drop in pressure.

04 Perform gas piping test as required by the Texas Railroad Commission and submit competed Texas Pipeline Safety Form PS-86B.

05 Provide a copy of the gas pressure test reports in the Operations & Maintenance Manual provided at closeout.

C. FINAL TEST: Subject each piping system to its normal operating pressure and temperature for not less than twenty-four hours. The piping systems must remain absolutely tight during this period. The satisfactory completion of any test or series of tests will not relieve the contractor of responsibility for ultimate proper and satisfactory operation of piping systems and their accessories.

2.12 DIELECTRIC UNIONS

A. Provide dielectric insulating unions at all connections between dissimilar metals.

2.13 MISCELLANEOUS COPPER PIPING

A. GENERAL: Provide all required piping not specifically shown on the drawings but necessary for the proper operation of the systems and equipment. Piping materials, methods of installation, fittings, valves, etc., shall conform to that specified for similar


Section 22 05 00-6

piping systems.

B. PLUMBING CONNECTIONS: Make all required connections between HVAC Systems and Plumbing Systems. Pipe extensions to equipment shall be same materials as supply. Provide a valve at each and every connection between Plumbing and HVAC Systems.

C. TRAP PRIMER PIPING: Use Type K copper. Piping in contact with concrete shall be installed in a protective sleeve.

D. MISCELLANEOUS DRAINS: Provide drain line to floor drain from backflow preventers, relief valves and other plumbing equipment with automatic drains.

END OF SECTION

22 16 00 ADDENDUM 1 BUILDING PROPANE GAS PIPING JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 22 16 00-1

SECTION 22 16 00 BUILDING PROPANE GAS PIPING

PART 1 - GENERAL







1.2 GENERAL REQUIREMENTS

A. Piping shall be installed in a neat and orderly manner parallel to building coordinates with vertical drops.

B. Piping shall be concealed in wall, chases and above ceilings except in the vicinity of equipment. All materials shall conform to the City Building Code.

C. Piping shall be sloped to prevent pockets. Slope toward equipment and provide dirt leg.

D. Piping in the vicinity of equipment shall be arranged to not interfere with access panels and maintenance space. Provide unions, flanges and shutoff valves to allow removal of the equipment and its subassemblies.

E. Piping shown underground shall be buried a minimum of 30 inches to top of pipe. All below grade non-metallic, non-conducting pipe not under building slab shall have a tracer wire installed parallel to pipe. Tracer wire shall be a 14 gage, solid copper wire with PVC jacket with all joints and splices sealed water-tight. Carry end of wire up through slab and terminate in an accessible location. Provide identification label attached to wire.

F. All piping, fittings and valves shall be manufactured in the United States of America by National Tube, Republic and Youngstown.

G. The Building Automation Contractor may provide one or more gas meters to measure various building usages. Install where shown or where directed in the field. Refer to 23 09 23 Sequence of Operation for HVAC Controls for meters to be provided.


2.1 PROPANE GAS, OUTSIDE BUILDING

A. GENERAL: Gas service is existing. The scope of work consist of modifying and extending the existing gas service.

B. MATERIALS:

01 ABOVE GROUND: Schedule 40 black steel, ASTM ERW A-53, Grade B or

22 16 00 ADDENDUM 1 BUILDING PROPANE GAS PIPING JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 2

Section 22 16 00-2

ASTM A106, with malleable iron screw type fittings. Welded joints may be used for piping 2½” and larger.

C. TEST TEES: Provide test tee in pipe at meter and on both sides of pressure reducing stations.

D. SLEEVES: Install pipe in vented sleeves when passing under roads, driveways, parking lots and similar areas. Sleeves shall be Schedule 40 PVC below grade and Schedule 40 galvanized steel otherwise. Install vent in a manner to prevent entry of rainwater, insects or foreign objects.

E. PAINTING: All exposed gas piping shall be painted with two coats of industrial grade, yellow epoxy paint.

F. ACCEPTABLE PIPE MANUFACTURERS: National Tube, Republic and Youngstown

2.2 LPG PRESSURE REGULATORS:

A. Size for full connected load, with stop valves on both inlet and outlet connections and union downstream of regulator.

B. Equip with internal relief valve to vent full capacity if regulator fails wide open. Extend full size vent pipe without reduction to the outside.

C. Provide weather and bug proof screening on vent.

D. Select orifices for inlet pressures established by the gas company serving the building, and for outlet pressures as required to serve the proper pressure at the items of equipment being supplied.

E. Outlet pressure shall be field adjustable.

F. Capacities as indicated in Schedule plus 10%.

G. Unit shall conform to latest published ANSI Code.

H. ACCEPTABLE MANUFACTURERS: American Meter Company, Equimeter, Fisher and Rockwell

END OF SECTION

23 00 00 ADDENDUM 1 GENERAL HVAC REQUIREMENTS JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF REPLACEMENT PG 1

Section 23 00 00-1

SECTION 23 00 00 GENERAL HVAC REQUIREMENTS

PART 1 - GENERAL



1.2 INTENT OF DRAWINGS AND SPECIFICATIONS


B. DRAWINGS: The drawings are schematic in nature, intended to show the various components of the system approximately to scale and indicate how they are to be integrated with other parts of the building. Determine exact locations by close coordination with the Owner’s Representative, job measurements, determining the requirements of other trades and reviewing all contract documents. The Drawings indicated general routing of the various parts of the systems, but do not indicated all fittings and offsets which may be required to fit the system into spaces allotted for them. The Contract shall include these items as required for a complete installation.

C. BASIS OF DESIGN: Equipment that is scheduled is the basis of the design and has been coordinated for space, installation and electrical requirements. Equipment and models from other acceptable manufacturers have not been verified or coordinated. Contractor shall verify these requirements prior to using other equipment in his bid and include any additional costs for installation of the substitute equipment.

1.3 MATERIALS

A. GENERAL: Manufacturer's printed directions shall be followed for preparing, assembling, installing, erecting and cleaning manufactured materials or equipment, unless otherwise directed. Materials, when not otherwise definitely specified, shall conform to applicable National Specifications and Standards. All materials shall be certified to not contain any asbestos or other material banned by the Environmental Protection Agency. Lead shall not be used in any material, pipe or solder in contact with the domestic water system.

B. SUBSTITUTION: The names of manufacturers and model numbers have been used in the Contract Documents to establish type of equipment and standard of quality. Where only one name is mentioned for a particular item of material, then that manufacturer is the only one acceptable. Where several names are mentioned, any one of those listed may be furnished provided submittal contains sufficient information to show complete compliance with contract Documents. No attempt has been made to determine if each manufacturer listed will produce material that will comply with all requirements of this project or will fit the allotted space.

C. SUBSTITUTION REQUIREMENTS: Requests for substitution during the bidding period,


Section 23 00 00-2

in accordance with the requirements of the Special Conditions, must be accompanied by a complete product submittal with all features, accessories and capacities noted. Large equipment must include a drawing to scale showing how the equipment and required access space will fit the available space. Acceptance for bidding does not waive the post bidding requirement for formal submittal and approval.

1.4 RELATED WORK SPECIFIED IN OTHER SECTIONS

A. ELECTRICAL: Power wiring is specified in the Electrical Section. Interlock and control wiring (any voltage) is specified under this Section. Controllers and starters, unless part of a motor control center, are specified under this Section.

B. PAINTING OF EQUIPMENT, PIPING AND ACCESSORIES: Painting Section. However, all items furnished under this Section shall be kept clean and free from corrosion.

C. OPENINGS: Various other sections. The locations of all inserts and openings shall be determined under this Section and coordinated with the other Sections in ample time to avoid cutting new construction.

D. EQUIPMENT AND PIPING SUPPORT REQUIREMENTS: Refer to structural drawings, details and notes for specific support and pipe hanging requirements. Specific loading and attachment methods shall be followed to assure that individual structural members are not overloaded.

1.5 PERMIT, FEES AND APPROVALS

A. The contractor shall obtain and pay for all permits and fees to perform his work. He shall comply with all laws, ordinances, rules and regulations bearing on the conduct of the work specified or shown on the drawings. This applies to Federal, State and Local Codes and Requirements. Approval from the various insuring and inspection authorities shall also be obtained. Refer to Architectural sections for additional information.


A. The Contractor shall be familiar with the Drawings and Specifications and shall have examined the premises and understand the conditions under which he will be obligated to operate in performing the contract. No additional compensation shall be allowed for failure to fully understand the requirements.

1.7 GUARANTEE

A. All materials, apparatus and equipment furnished and installed under this Section of these Specifications shall be new and free from any defects when accepted by the Owner and shall be guaranteed in writing for a period of one year from the date of acceptance by the Owner unless noted to have extended warranties.

1.8 NOISE AND VIBRATIONS

A. The Contractor shall guarantee that the entire system and its component items of equipment, as installed by him, shall operate without objectionable vibration or noises, as determined by the Architect. If, in the opinion of the Architect, objectionable vibration or transmission thereof to the building occurs, the Contractor shall execute such remedial measures as are necessary to eliminate such unsatisfactory operating conditions and the


Section 23 00 00-3

material and labor thereby required shall be performed at the Contractor's expense.


A. COORDINATION: The Contractor shall cooperate with other trades on the job and make installations in the proper sequence during the construction of the buildings, and he shall notify the Architect well in advance of construction of all interference of his work with that of other trades and of building construction. This notification shall not relieve the contractor of his responsibilities to coordinate his work with the total project.

B. WORKMANSHIP: All work shall be performed in a neat workmanlike manner and in the best practice of the trade. Only workmen skilled in the trades shall be employed to perform the work included in these specifications.

C. CLEAN-UP: Keep area of operations free from accumulation of waste material or rubbish at all times. All piping above accessible ceilings shall be cleaned of cement, plaster and other construction debris prior to being concealed. The parts of the Mechanical installation which are to be painted or insulated shall be thoroughly cleaned of cement, plaster, grease, oil spots and other materials in preparation for painting or insulating.


E. CUTTING AND PATCHING: Coordinate the work with other trades to arrange for all holes, chases, and other spaces necessary for the installation of all components of the mechanical systems. Inform the other trades in ample time for these to be provided. Where concrete flooring or paving must be cut to install MEP systems, contractor shall take measures to prevent damaging existing underground services. Contractor shall x-ray the area to be saw cut to determine the existence of underground services. When saw cutting, limit the depth of the cut to less than the thickness of the concrete. Breakout the concrete manually with special care in areas of possible underground services.

F. STRUCTURAL STEEL: All structural steel used for the purpose of fabricating equipment supports, pipe supports, pipe guides, pipe anchors and framing for large ducts and plenums, shall conform to ASTM Designation A-36. All steel used for these purposes shall be new, clean, straight and galvanized.

G. CONCRETE PADS: All equipment mounted on the floor or outside at grade, including expansion tanks and pot feeder, shall have a concrete housekeeping pad. Concrete pads shall be sized for the equipment to be supplied. Pad shall exceed base dimensions by approximately 4" all around. Reinforce pads rebar including #4 bar around perimeter. Tool pad to form chamfered edge. Nominal thickness shall be 4” except air handling units and indoor chillers shall be 6”. Refer to details for outdoor equipment.

H. ROOF MOUNTED EQUIPMENT SUPPORTS: For equipment mounted on the roof, provide curbs for air handling units, RTU’s, ERV’s, fans and similar equipment. Provide roof curbs for duct and pipe penetrations of the roof. Provide Thycurb structural support rails for roof mounted condensing units, chillers and similar equipment without large roof penetrations. Select rails for equipment size, weight and to span at least two roof joists per rail.


A. ENERGY MANAGEMENT SYSTEM: No portion of the total contract will be declared substantially complete until the automatic temperature controls for that portion has been


Section 23 00 00-4

demonstrated to be complete and functioning as intended. The temperature control system shall maintain all of the space temperatures at plus or minus two degrees of set point.

B. AS-BUILT DRAWINGS: Obtain a set of project drawings and keep these at jobsite during construction. During the course of construction, mark on these prints any changes which are made, noting particularly locations for those items which will need to be located for servicing. At completion of job, mark each sheet "Record Drawings", date and deliver to Architect.

C. OWNER’S INSTRUCTIONS: Provide the following periods of instruction to the Owner's designated personnel upon completion of the system's installation. Provide additional training as noted in individual equipment specifications.

01 HVAC System - 8 Hours

02 Temperature Controls Systems - 8 Hours

D. CLOSEOUT MANUALS: At completion of job, furnish three copies of spare parts lists and operating instructions for all equipment furnished under this Division. These lists and instructions shall be published by the manufacturer of the equipment. Bind in 3-ring binders with project name.

E. REFRIGERANT: Furnish and install full refrigerant and oil charge in the air conditioning refrigeration systems and maintain it for full term of the guarantee.

F. LUBRICATION: After the installation is completed, lubricate all moving parts of all equipment furnished under this Division of the Specifications. Leave with the Owner a brief but complete set of lubrication instructions, showing the recommended frequency of lubrication and the type of lubricant recommended for each piece of equipment.

G. SPARE PARTS: Upon completion of the installation, deliver to the Owner all tools and spare parts that are furnished by the Equipment Manufacturer for use with the equipment furnished under this Contract.

1.11 OPERATION TESTS AND ADJUSTMENTS

A. After completion of the work and before final acceptance thereof, the Contractor shall notify the Architect when he is ready for the balancing of air and hydronic systems which will be performed by a professional test and balance firm selected by the Owner as described in Section 23 05 93.

B. After completion of the work and before final acceptance thereof, the Contractor shall notify the Architect when he has balanced the air and hydronic systems to within ±10% of the scheduled values. Provide test report as described in Section 23 05 93.

1.12 SHOP DRAWINGS


B. The purpose of these submittals is to attempt to aid the contractor in such a manner that improper or unacceptable materials are not delivered to or installed on the job. Shop drawings shall be approved before installation of the material under consideration. Approval of these submittals shall not be construed as releasing The Contractor from compliance with the Contract Documents. All materials and equipment shall be subject to final acceptance by the Engineer at completion of construction.


Section 23 00 00-5

C. Shop Drawings shall consist of published ratings of capacity data, detailed construction drawings, wiring and control diagrams, performance curves, installation instructions, manufacturer's installation drawings and other pertinent data. Where the literature is submitted covering a group or series of similar items, the item under consideration shall be clearly indicated. Ductwork shop drawings shall include one printed set of drawings in addition to the PDF. Drawings shall be submitted showing revisions to equipment layouts due to use of alternate or substitute equipment. The front sheet of each copy of the submittal shall have the following typed information:


02 General Contractor's name, address, project manager's name and telephone number.

03 Submitting Sub-contractor's name, address, project manager's name and telephone number.

04 Suppliers company name, address, salesman's name and telephone number.

D. Equipment that has regional representation shall only be supplied by the regional representative that serves the area where the project is located. The regional representative’s name and signature shall be included with the shop drawing.

E. Shop Drawings are required for but are not limited to the following items:

01 Fans & Roof Curbs

02 Rooftop Units

F. Approval of these submittals shall not be construed as releasing the contractor from compliance with the contract Documents. They are a means of coordinating the work and aiding in the proper selection and installation of equipment. Do not release items such as fire dampers and starters until associated equipment or ductwork drawings are approved. All materials and equipment shall be subject to final acceptance by the Engineer at the completion of construction and adjustments of the system.

G. Major equipment in AHU/Mechanical Rooms will not be approved until contractor has submitted and received approved 1/4” scale coordination drawings of mechanical and air handling unit rooms showing sizes of proposed equipment, including access space, and plumbing and electrical equipment also located in the room.

H. If a submittal is returned to the Contractor marked “Rejected” or “Revise and Resubmit”, only one (1) additional submittal will be permitted without the Contractor incurring charges for the additional re-submittals. SEG shall be reimbursed by the Contractor for any expense in connection with any necessary submission in addition to the two (2) submissions allowed. Contractor will be billed by SEG at a rate of $125/hr for these occurrences.

1.13 SUBSTITUTIONS

A. The names of manufacturer and model numbers have been used in the Contract Documents to establish types of equipment and standards of quality and are intended to be the Basis of Bid. No attempt has been made to determine if each manufacturer listed for a particular item of equipment will produce material that will comply with all requirements. If only one manufacturer is named for a specific item of equipment (except lighting fixtures), the specified manufacturer will be the only acceptable one. Where more than one manufacturer is named for a specific item of equipment, only one of these manufacturers will be considered for approval. Where only one manufacturer is mentioned with the phrase "or approved equal", Contractor may submit an alternate manufacturer as outlined in Special Conditions and this Article. If a submittal contains


Section 23 00 00-6

sufficient information to prove compliance with the Contract Documents, then that submittal will be acceptable.

B. All other brands, including any additional names which may be listed as “Alternates” or “Approved Equal” must conform with the specifications, size, accessories, etc. of the first named brand and be subject to Paragraph D and E of this Article. Alternate equipment must be equal from the standpoint of materials, construction and performance. Request for substitution must be accompanied by complete data and descriptive sheets during the bidding period as described in Paragraph D and E of this Article.

01 Submitted on Bidder’s letterhead attached to Proposal Form with individual deductive amounts stipulated and the documentation required in Paragraph E-03.

02 All savings for Owners selection of deductive amounts by acceptance of alternate or substituted items are to be paid to the Owner.

C. All equipment within common group or category (e.g. switchgear, lighting fixtures, fire alarm, etc.) shall be same manufacturer.

D. Proposed Substitutions/Approved Equals:

01 Submitted no less than 7 calendar days prior to bid date.

02 Submit proposed substitutions with catalog data and/or manufacturer’s shop details indicating all modifications required to conform with specified brand. Include all relevant items necessary to make a determination of equal status or submittal shall be deemed incomplete and rejected.

03 If submittal contains sufficient information to prove compliance with the Contract Documents, then that alternate submittal will be acceptable. Approved submittals for bidding purposes only will be published by addenda.

04 Approval of any manufacturer does not void any of the requirements of the drawings or specifications. The manufacturer’s product to be used must be the one equivalent to that specified, not the manufacturer’s standard product.

E. Substitutions with prior approval:

01 Submitted on Bidder’s letterhead attached to Proposal Form with individual additive/deductive amounts stipulated and the documentation required in Paragraph B-2.

02 Owner reserves the right to accept or reject any or all substitution proposals before execution of Contract.

03 Provide all design/engineering services required to make adjustments in space, systems, utilities, etc. and pay all additional costs of utilities, construction or professional services that may be incurred due to the acceptance of any substitution.

1.14 MECHANICAL INSPECTIONS

A. GENERAL: Contractor shall formally request inspections of any and all mechanical systems installations. Inspections shall include but not be limited to: duct pressure tests, pipe tests, underground installations prior to backfill, rough-in installations, wall cover inspections, above ceiling inspections and final inspection.

B. INSPECTION REPORTS: After each inspection, the Engineer will generate an inspection report and distribute promptly. The Contractor will then be given 7 working days from date of report to address all deficiencies listed on the report. The General


Section 23 00 00-7

Contractor shall verify that all items on each inspection report have been addressed by their subcontractors in this time period. Once verified the General Contractor shall sign-off on each deficiency listed on the report and return the signed-off copy of the inspection report to the Architect and Engineer via e-mail.


D. INSPECTION REPORTS: After each inspection, SEG will generate an inspection report and distribute promptly. The Contractor will then be given 7 working days from date of report to address all deficiencies listed on the report. The GENERAL CONTRACTOR shall verify that all items on each inspection report have been addressed by their subcontractors in this time period. Once verified the GENERAL CONTRACTOR shall sign-off on each deficiency listed on the report and return the signed-off copy of the inspection report to SEG via e-mail. After the signed-off report is returned to SEG, the GENERAL CONTRACTOR shall request a re-inspection by SEG to close the report. If after 7 working days no re-inspection is requested by the GENERAL CONTRACTOR to close a report, SEG reserves the right to re-inspect whenever our schedule allows, with these re-inspections still being subject to Paragraph E below.

E. TEST REJECTIONS AND RE-INSPECTIONS: If a test is rejected or a re-inspection of an issued SEG Inspection Report is found to NOT be completely addressed, only ONE (1) additional inspection will be permitted without the Contractor incurring charges for each additional inspection required. SEG shall be reimbursed $500 by the GENERAL CONTRACTOR for expenses in connection with EACH inspection in addition to the two (2) inspections allowed.

1.15 COMMISSIONING AND TEST AND BALANCE

A. Third party commissioning and an independent test and balance contractor are a part of this project. Commissioning agent and T&B contractor will be under a separate contract directly with Owner. Refer to included specifications for commissioning and T&B.

B. Mechanical contractor shall complete the pre-function checklist for the various mechanical devices. Checklists will be supplied by the commissioning agent.

C. Mechanical contractor shall perform system tests as required by the commissioning agent in addition to any that are described in these specifications.


A. In areas of demolition, contractor shall remove all HVAC equipment, ductwork, piping and devices not to be reused. Any material that has salvage value shall be offered to the Owner, and if accepted, delivered to his warehouse. If not accepted it shall be properly disposed of with the other construction debris.

B. Where existing systems serve other areas as well, they shall remain active in those areas. Cap, patch and relocate ducts and piping to keep systems operable.

C. General Contractor shall remove and replace ceilings, walls, floors and other finishes as necessary to install or modify mechanical systems.

D. Where ceilings are to be removed or replaced, remove and reinstall diffusers, grilles or other existing mechanical devices.

E. Relocate ductwork and piping as necessary to allow new or modified construction. Repair existing mechanical systems damaged by construction activities.

F. Where existing starters are to be reused, install heaters with proper size for revised


Section 23 00 00-8

loads.

G. Where large equipment is to be replaced (chillers, boilers, air handling units, etc.), ensure that equipment that is an acceptable manufacturer but not the scheduled brand will fit the available space and can be installed through existing doors, louvers or windows, prior to using this equipment in the bid.

H. Where new chilled or heating water piping connects to the existing system, system may require partial or complete draining of water. Include the costs of shutdown, drainage, refilling with properly treated water, and restarting of the system.

I. Where existing equipment is modified or replaced (MEP and Architectural) and interfaces with the Energy Management System, disconnect and reconnect EMS wiring, and replace sensors as necessary.

J. Where existing equipment is replaced with new, reconfigure and extend as necessary, refrigerant, water and drain piping, and flues to accommodate the new equipment. Provide new shutoff valves for piping connections.

K. Provide multiple sets of air filters for all supply air handling equipment for use during construction. During construction provide an additional pre-filter consisting of roll filter media installed across the air intake of the air handling equipment. Replace overlay filter media and filters during construction as necessary to protect coils. Install a set of new filters prior to Testing and Balancing of the system. Provide a final set of new filters at Substantial Completion for Owners use, including installation when necessary.

END OF SECTION

23 00 10 ADDENDUM 1 MECH. SYSTEMS CLOSEOUT REQ. JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF REPLACEMENT PG 1

Section 23 00 10-1

SECTION 23 00 10 MECHANICAL SYSTEMS CLOSEOUT REQUIREMENTS

PART 1 - GENERAL






A. ENERGY MANAGEMENT SYSTEM: No portion of the total contract will be declared substantially complete until the automatic temperature controls for that portion has been demonstrated to be complete and functioning as intended. The temperature control system shall maintain all of the space temperatures at plus or minus two degrees of set point.

B. AS-BUILT DRAWINGS: Obtain a set of project drawings and keep these at jobsite during construction. During the course of construction, mark on these prints any changes which are made, noting particularly locations for those items which will need to be located for servicing. At completion of job, mark each sheet "Record Drawings", date and deliver to Architect.

C. CLOSEOUT MANUALS: At completion of job, furnish three copies of spare parts lists and operating instructions for all equipment furnished under this Division. These lists and instructions shall be published by the manufacturer of the equipment. Bind in 3-ring binders with project name.

D. CLOSEOUT DOCUMENTS: Provide three printed copies of the approved submittal with wiring diagrams, sequences, floor plans and graphics updated to the final installation configuration.

E. REFRIGERANT: Furnish and install full refrigerant and oil charge in the air conditioning refrigeration systems and maintain it for full term of the guarantee.

F. LUBRICATION: After the installation is completed, lubricate all moving parts of all equipment furnished under this Division of the Specifications. Leave with the Owner a brief but complete set of lubrication instructions, showing the recommended frequency of lubrication and the type of lubricant recommended for each piece of equipment.

2.2 GUARANTEES AND WARRANTIES

A. GENERAL FOR MECHANICAL SYSTEMS: All materials, apparatus and equipment furnished and installed under this Section of these Specifications shall be new and free from any defects when accepted by the Owner and shall be guaranteed in writing for a period of one year from the date of acceptance by the Owner unless noted to have extended warranties.

B. TEMPERATURE CONTROLS: The temperature control system and its proper operation

23 00 10 ADDENDUM 1 MECH. SYSTEMS CLOSEOUT REQ. JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF REPLACEMENT PG 2

Section 23 00 10-2

shall be guaranteed for a period of one year after substantial completion and any control devices which prove to be defective during the guarantee period shall be repaired or replaced without cost to the Owner. After the initial warranty period, an additional twelve-month preventative maintenance contract shall be included in the base price of this Contract. This maintenance contract shall include quarterly preventive maintenance, all repair labor, parts and equipment. The system shall be warranted for parts and labor for a total of two years.

C. AIR COOLED CHILLERS: Provide a one-year warranty (parts and labor) for total unit. Provide a four-year extended warranty (second through fifth year) on the motor-compressor-drive assembly for parts and labor, including refrigerant. All replacement parts shall be newly manufactured. For each chiller provide factory certificates listing chiller model, serial number and warranty information in the close out documents.

D. WATER COOLED CHILLERS: Provide a one-year warranty (parts and labor) for total unit. Provide a four-year extended warranty (second through fifth year) on the motor and compressor assembly for parts and labor.

E. COOLING TOWER: Tower shall have a five-year factory parts and labor warranty from the date of substantial completion. Warranty shall include the complete tower and accessories.

F. ENERGY RECOVERY UNITS: Two years on the unit and ten years on the core.

G. ROOFTOP UNITS: One year on the unit and five years on the compressors.

H. AIR COOLED CONDENSING UNITS: Provide five-year compressor warranty.

2.3 SPARE PARTS

A. GENERAL: Upon completion of the installation, deliver to the Owner all tools and spare parts that are furnished by the Equipment Manufacturer for use with the equipment furnished under this Contract.

B. FILTERS: Install a complete set of filters for all equipment at substantial completion.

2.4 TRAINING

A. GENERAL: Provide eight hours of instruction to the Owner's designated personnel upon completion of the building mechanical system's installation. Provide additional training for specific systems as noted in the following sections.

B. TEMPERATURE CONTROLS SYSTEM: Provide 8 hours of instructions on system operation to Owner's personnel during the closeout period of the project. Additionally, the contractor shall supply the Owner with a training DVD that will instruct the Owner’s personnel on recommended, detailed, maintenance procedures and troubleshooting of their equipment. Provide an additional 48 hours of instructions over a 3-year period for but not limited to operate interface program, software programming, system diagnostics, hardware installation and repair. No session to be more than 4 hours long with no limit on attendees. Technical support for 3 years over the phone shall be provided at no additional cost to the Owner. The Contractor shall be able to call and diagnose the system from his office.

C. COOLING TOWER: Provide two hours of onsite training in the use and maintenance of the cooling tower for two Owner’s representatives.

END OF SECTION

23 05 00 ADDENDUM 1 COMMON WORK RESULTS FOR HVAC JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF REPLACEMENT PG 1

Section 23 05 00-1

SECTION 23 05 00 COMMON WORK RESULTS FOR HVAC

PART 1 - GENERAL



B. The General Mechanical Requirements as specified in Sections 23, apply to the work specified in this Section.





2.1 CUTTING AND PATCHING

A. Coordinate the work with other trades to arrange for all holes, chases, and other spaces necessary for the installation of all components of the mechanical systems. Inform the other trades in ample time for these to be provided. Failure to comply with this requirement may necessitate cutting and patching work. If such work becomes necessary, it will be done under this Section of the specifications, and shall conform to all applicable requirements of other Sections of the Specifications.

B. Where concrete flooring or paving must be cut to install MEP systems, contractor shall take measures to prevent damaging existing underground services. Contractor shall utilize ground penetrating radar and electrical circuit tracing equipment in the area to be saw cut to determine the existence of underground services. When saw cutting, limit the depth of the cut to less than the thickness of the concrete. Breakout the concrete manually with special care in areas of possible underground services.

2.2 PIPE SUPPORTS

A. GENERAL: Provide pipe supports and guides of size and type to support pipe as well as limit movement. Minimum size hanger rod shall be 3/8”. Piping connected to a piece of equipment shall have a support located near enough to the equipment that there will be no pipe weight supported by the equipment. In no case shall the nearest support be more than two feet horizontally from the connection point. Pipe support material shall be selected to be compatible with the pipe material to prevent galvanic corrosion. Un-insulated copper piping shall be wrapped with gas wrap tape at each hanger (minimum 2” beyond hanger), and supports shall be hot dipped copper clad or plastic covered. Vertical copper piping shall have a minimum on one intermediate support if over five feet.

B. HORIZONTAL PIPING SUPPORT SPACING: As recommended by support manufacturer, but spaced not more than listed below:

01 Pipe Size Steel Pipe Other Pipe


Section 23 05 00-2

02 1" & Smaller 6 Feet 4 Feet

03 1¼" & 1½" 8 Feet 5 Feet

04 2" 8 Feet 5 Feet

05 2½" to 4" 8 Feet 6 Feet

06 6" and Larger 8 Feet 6 Feet

C. SUPPORT FROM ABOVE: Support piping near roof or upper floor from structure if sufficient strength exists. Use a method suitable for type of construction and of sufficient strength. Use threaded steel hanger rods of diameter required to safely support loads. Minimum size hanger rod shall be 3/8”. Install rods through holes drilled in beam flanges, 1½" x 1½" x 8" angles welded to structural members or top cord slot at joist panel points and secure with large washers and nuts. Refer to structural drawing details for additional information. Hangers shall be manufactured by Grinnell or Tolco. Do not use perforated strap.

01 SINGLE RUNS OF PIPE, NO EXPANSION PROBLEM: Adjustable clevis type Grinnell Figure 260.

02 MULTIPLE RUNS: Trapeze hangers.

03 BEAM CLAMPS: Grinnell Figure 92 for smaller pipe

04 BEAM CLAMPS: Grinnell Figure 228 (storm or sanitary 8” and larger)

D. SUPPORT FROM BELOW: All piping near the floor, or where ceiling structure does not have sufficient strength, or where there is no ceiling shall be supported from below. Support members shall be steel pipe with base plates, or welded steel structure suitably braced.

E. SUPPORT MATERIAL FINISH: Galvanized or zinc plated steel. Provide hot dipped copper clad supports for copper piping.

F. PIPE SADDLES: Install 18 gauge, formed galvanized sheets at each support point for insulated pipe, shaped to fit pipe, and covering bottom half of pipe. Length at saddle shall be not less than twice the insulation outside diameter, 16” minimum length. Provide compressible gasketing between non-insulated plastic pipe and hangers. Provide insulating material between dissimilar metal.

2.3 ROOF MOUNTED EQUIPMENT SUPPORTS

A. GENERAL: Equipment mounted on the roof shall have supports consistent with the equipment size and weight, roof construction and flashing, and the structural design of the roof.

B. ROOF CURBS: Provide for roof mounted air handling units, DX rooftop units, fans, roof duct penetrations, roof pipe penetrations and similar equipment with roof penetration.

C. SUPPORT RAILS: Provide Thybar Corporation ThyCurb support rails to support roof mounted equipment that does not have roof penetrations under the equipment. This would include air cooled condensing units, condensers and chillers. Provide also for roof piping and roof mounted ductwork if not noted to be on Portable Pipe Hanger Supports.

2.4 MOTORS

A. GENERAL: This section applies to motors larger than 1/2 horsepower and not part of an assembly. Select for starting torque and current, suitable to start and continuously run equipment served. Horsepower rating shown on Drawings are preferred, but motor must


Section 23 05 00-3

not be loaded more than 1.0 X nameplate horsepower. Provide larger motor if required to stay within this limitation, and include all costs for any required increases in the electrical system. All motors shall have metallic nameplates marked with information required by NEC 430-7. Motors that are controlled by inverters shall be designed for this application.

B. ENCLOSURE: Drip proof for locations protected from the weather; totally enclosed fan cooled for exposure to weather or installed inside air handling units or serving pumps. Frame construction shall be steel or cast iron with all surfaces including air passages coated with a rust inhibiting primer and finished with an alkyd or epoxy enamel paint.

C. INSULATION: Class B for maximum 40° C ambient, Class F or H or higher.

D. EFFICIENCY: Motors shall be premium efficiency type and have all copper windings.

E. SERVICE FACTOR: 1.15.

F. ELECTRICAL CHARACTERISTICS: Provide nameplate ratings the same as circuit voltage indicated on the electrical drawings. Coordinate to give proper operation with starting equipment scheduled.

G. SINGLE PHASE MOTORS: Permanent split capacitor start unless special load requires another type, resilient mounting, inherent overload protection and sealed bearings requiring no lubrication but with provisions for future lubrication.

H. THREE PHASE MOTORS: Ball bearings with grease lubrication fitting on top and drain on side or bottom. Provide sleeve bearings with oil cups for units requiring minimum noise level. Average bearing life shall be 150,000 hours.

I. ACCEPTABLE MANUFACTURERS: Allis Chalmers, Baldor, Century, General Electric, Marathon, Reliance, Siemens, US Motors and Westinghouse.

2.5 EQUIPMENT IDENTIFICATION

A. GENERAL: Each piece of mechanical equipment shall be suitably marked with the name as listed on the plans. Name shall be prominently displayed so it may be easily located and read after equipment installation. Pumps may be marked on adjacent piping. Provide lamacoid nameplate with minimum 1.5 inch letters.

B. The following equipment may be marked with decal or stencil painted, 3" high letters:

01 Rooftop Units

C. The following equipment may be marked with decal or stencil painted, 2" high letters:

01 Fans

END OF SECTION

23 05 93 ADDENDUM 1 TEST AND BALANCE JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF REPLACEMENT PG 1

Section 23 05 93-1

SECTION 23 05 93 TEST AND BALANCING

PART 1 - GENERAL





A. Contractor shall complete the HVAC systems installation and ensure it is operating in the specified manner in a timely manner so the third party Testing and Balancing Contractor may complete his work prior to substantial completion.

B. Provide all instruments and equipment required to pre-balance the system. All instruments shall be in accurate calibration, and shall be calibrated in ranges that will be expected.

1.3 DESIGN CONDITIONS

A. The air conditioning systems have been designed and the equipment selected to perform as follows:

Summer Conditions

Indoor Temperatures 72° F DB 60% RH

Outdoor Temperatures 95° F DB 80° F WB

Winter Conditions

Indoor Temperatures 70° F DB

Outdoor Temperatures 20° F DB


2.1 GENERAL

A. The HVAC contractor shall clean and adjust all systems as described in paragraph 2.2.

B. The testing, adjusting and balancing (TAB) of the air conditioning systems and related equipment for the Owner will be performed by an impartial, technical TAB firm selected and employed by the Owner as described in paragraph 2.3.

2.2 HVAC


Section 23 05 93-2

A. HVAC CONTRACTOR’S SCOPE OF WORK

01 The contractor shall operate the systems for the length of time necessary to properly verify their completion including final adjustments, balancing and readiness for Owner’s TAB firm.

02 The HVAC Contractor shall provide and coordinate services of qualified personnel and equipment suppliers as required to correct repair or replace all deficient items or conditions found during the testing, adjusting and balancing period.

03 The HVAC Contractor shall make any changes in the sheaves, belts, dampers, valves and pump impellers required by the TAB firm to balance the system, at no additional cost to the Owner.

04 Contract completion schedules shall provide sufficient time to permit the completion of TAB firm’s services prior to Owner occupancy.

05 The Drawings and Specifications have indicated valves, dampers and miscellaneous adjusting devices for the purpose of adjustment to obtain optimum operating conditions. Should any such device not be readily accessible, the contractor shall provide access as requested by the TAB firm. Any malfunction encountered by TAB personnel and reported to the contractor or to the inspector shall be immediately corrected by the contractor so the balancing work can proceed.

06 The TAB firm will not have a contractual relationship with this contractor but will be responsible to the Inspector and Owner for the satisfactory execution of the TAB work. The contractor shall allow sufficient funds in the project cost estimate and bid proposal to provide all work which may be required in the TAB phases as defined herein and as may be necessary for the completion of the TAB work as defined by the TAB firm.

B. RELATED WORK

01 The contractor shall have the building and air conditioning systems in complete operational readiness and shall perform all other items as described herein to assist the TAB company in performing the balancing, testing and adjusting of the HVAC systems.

02 For the air distribution systems the contractor shall complete and verify the following:

a. Verify installation for conformity to design.b. All supply, return and exhaust ducts shall be completed. All volume,

splitter, extractor and fire dampers properly located and functional. Dampers shall provide tight closure and full opening, smooth and free operation.

c. All supply, return, exhaust, transfer grilles, registers, diffusers and terminal units installed, leak tested and operational.

d. Air handling units and ductwork shall be sealed to eliminate excessive by-bass or leakage of air.

e. All air handling units and fans shall be operating and verified for freedom from vibration, proper fan rotation and belt tension. Starter overload heater elements shall be properly sized, and clean filters installed.

03 For the automatic controls system the contractor shall complete the following:

a. Verify that all control components are installed in accordance with project requirements, a point-to-point check of all DDC and computer controls has been completed and that all controls are functional.


Section 23 05 93-3

b. All controlling instruments calibrated and set for design conditions.04 The contractor and the suppliers of the equipment installed shall all cooperate

with the TAB firm to provide all necessary data on the design and proper application of the system components and shall furnish all labor and material required to eliminate any deficiencies or mal-performance. Furnish a list of all motors with nameplate data and size of overload heater installed with motor amperage during operation.

05 During the balancing the temperature regulation shall be adjusted for proper relationship between controlling instruments and calibrated by the Control Manufacturer using data submitted by the TAB firm. The correctness of the final setting shall be proved by taking hourly readings for a period of three successive eight hour days, in a typical room on each separately controlled zone. The total

variation shall not exceed 2 F from the preset medium temperature during the entire temperature survey period.

06 In all fan systems, the air quantities shown on the plans may be varied as

required to secure a maximum temperature variation of 2 F within each separately controlled space, but the total air quantity indicated for each zone must be obtained.

07 The contractor shall assist the TAB firm in performing three inspections approximately 30 days apart within 90 days after occupancy of the building to insure that satisfactory conditions are being maintained throughout and to correct any unusual condition.

08 The contractor shall assist the TAB firm in performing inspections in the building during the opposite season from that in which the initial adjustments required to produce optimum operation of the system components, to produce the proper conditions in each conditioned space.

C. STORAGE

01 The contractor shall provide the TAB firm a secure area of ample size, conveniently located for storage of tools, equipment and other items as required.

D. NOTIFICATION

01 Systems shall be complete and in operational readiness prior to notifying the Owner that the project is ready for the services of the TAB firm and the contractor shall so certify in writing to the Owner that such a condition exists.

02 Should the Owner be so notified and the TAB work commence and the systems are found to not be in readiness or a dispute occurs as to the readiness of the systems, the contractor shall request an inspection be made by the Owner. This inspection shall establish to the satisfaction of the represented parties whether or not the systems meet the basic requirements for TAB services. Should the inspection reveal the notification to have been premature, all costs of the inspection and work previously accomplished by the TAB firm shall be paid for by the contractor. Furthermore, such items as are not ready for TAB services shall again be re-tested. Complete, operational readiness, prior to commencement of TAB services, shall include the work described in RELATED WORK above.

2.3 HVAC TESTING, ADJUSTING AND BALANCING

A. The testing, adjusting and balancing of the air conditioning systems will be performed by an impartial technical firm whose operations are limited only to the field of professional TAB. The TAB work shall be done under the direct supervision of a qualified engineer employed by the TAB company. Work shall be in accordance with procedures and


Section 23 05 93-4

techniques as outlined in the ASHRAE Systems Handbook in Chapter 57 on TAB and procedural standards for TAB, National Environmental Balancing Bureau.

B. The TAB firm shall be responsible for inspecting, adjusting, balancing and tabulating the data on the performance of fans, all dampers in the duct systems, all air distribution devices and the flow of water through all coils. The Mechanical Subcontractor, the various subcontractors involved and the suppliers of the equipment installed shall all cooperate with the TAB firm to provide all necessary data on the design and proper application of the system components and shall furnish all labor and material required to eliminate any deficiencies or mal-performance.

C. Professional firms desiring to submit proposals for the performance of professional services for testing and balancing of HVAC systems for projects shall submit the necessary brochures, history of the firm, qualifications of personnel and other pertinent information to the Owner.

D. Professional firms submitting such information on its qualifications and personnel shall keep the information current by submittal of supplemental data a minimum of once every six months or when professional or technical personnel who shall perform the work may change. The Owner shall review the qualified professional firms, with current qualifications submitted, which may be available to perform this work and request proposals, from time to time, for new projects.

E. Each professional firm warrants by the submittal of its personnel qualifications, that such personnel shall be used in the performance of the work. In the event of personnel change, the professional firm submitting a proposal shall submit the complete qualifications and experience record of new personnel. The Owner, upon acceptance of the proposal, expects the work to be performed by the personnel whose experience is so described.

F. QUALIFICATIONS OF THE FIRM

01 The firm shall be one which is licensed to do professional services of this specified type in the State of Texas and as a minimum, have one professional engineer licensed in the State of Texas, with current registration, to perform such professional services.

02 The firm shall have a minimum of one year operation under its current firm name.

03 The firm shall be capable of performing the services specified at the location of the facility described within the time specified, preparing and submitting the detailed report of the actual field work performed and following up the basic work as may be required.

G. DOCUMENTS

01 The Owner will provide plans, specifications and change orders to the TAB firm.

02 The Owner will provide approved submittal data on equipment installed.

03 The Owner will transmit one copy of the following “Records for Owner” to the TAB firm for review and comment:

a. “As-Installed” Drawingsb. Approved Fixture Brochures, Wiring Diagrams and Control Diagramsc. Shop Drawingsd. Instructionse. Valve Charts

H. RESPONSIBILITY OF THE TAB FIRM

01 The TAB personnel shall check, adjust and balance the components of the air conditioning system which will result in optimum noise, temperature and air flow


Section 23 05 93-5

conditions in the conditioned spaces of the building while the equipment for the system is operating economically. This is intended to be accomplished after the system components are installed and operating as provided for in the contract documents, which is the responsibility of the project contractor.

02 The tests shall demonstrate the specified capacities and operation of all equipment and materials comprising the systems. Such tests shall be made as are deemed necessary by the Architect to indicate the fulfillment of the contract. The TAB firm shall then make available to the Engineer such instruments and technicians as are required for spot checks of the systems.

03 The TAB firm will not instruct nor direct the contractor in any of the work. Any proposed changes or revisions in the work shall be submitted to the Architect in writing. The Architect will process the proposal as appropriate.

I. BALANCING SERVICES

01 The TAB firm, Architect and Owner will inspect the installation of heating and cooling pipe systems, sheet metal work, temperature controls and other component parts of the heating, air conditioning and ventilating systems. The inspection of the work will cover that part relating to proper arrangement and adequate provisions for the testing and balancing. The inspections shall be performed periodically as the work progresses.

02 Upon formal notification of completion of the installation and start-up of the mechanical equipment by the contractor, TAB firm will balance, test and adjust the system components to obtain optimum condition in each conditioned space in the building.

03 The TAB firm shall be responsible for inspecting, balancing, adjusting, testing and compiling the data on the performance of fans, all dampers in the duct systems, all air distribution devices or heat exchangers, and the water flow through all coils.

04 The TAB firm will, fourteen days prior to Final Inspection, as requested by the Owner prepare seven copies of the completed Test and Balance Report. The report shall be complete with logs, data and records as required herein and all logs, data and records shall be typed, produced on white bond paper and spiral bound. The report shall be certified accurate and complete by a principle engineer of the TAB firm. Transmit one copy directly to the Owner’s Representative and the remaining six copies to the Architect. The Architect will review and approve the report. Upon approval, two copies will be submitted to the Owner’s Representative and two copies transmitted to the Contractor.

J. REPORT: After balancing is complete and before calling for final observation, record and submit for record, the following data:

01 Each Rooftop Unit:

a. Total supply, return and outside air CFM.b. Suction and discharge static pressure, total static pressure.c. Fan RPM measured by tachometer. Verify rotation.d. Motor nameplate F.L.A., actual amps and voltage.e. Ambient air temperature and condenser discharge temperature.f. Motor nameplate F.L.A., actual amps and voltage.g. Suction and discharge pressures and temperatures.h. Verification that moisture indicator shows dry refrigerant.i. Settings of all operating and safety control.

02 For each data value that cannot be balanced to meet scheduled design value:


Section 23 05 93-6

a. List the cause of the discrepancy between the actual data and the design value.

b. List corrective action that must be taken to meet design value.c. Note that “Not Operating” is not an acceptable entry into the Testing and

Balancing report. If a piece of equipment is not operating during the testing and balancing process, TAB firm must contact the Mechanical Contractor. Mechanical Contractor will repair system as required. TAB firm will then test and balance the system as specified.

K. REPORT APPROVAL

01 After report is submitted and reviewed by Engineer, Test and Balance Contractor shall meet with the Engineer at the site to review balancing problems and perform a random check of data values listed in report. Contractor shall bring all necessary testing and balancing equipment to site necessary to measure values.

L. AFTER OWNER OCCUPANCY:

01 After Owner has occupied and is using the building, make three additional inspections of the system during the one-year warranty period (at times directed by Owner) to:

a. Correct any Owner observed temperature imbalances.b. Architect for each trip. List in the letter corrections made.

02 At the season opposite that of startup, inspect and verify correct operation of all systems. Make adjustments as required.

END OF SECTION

23 81 00 ADDENDUM 1 DECENTTRALIZED UNITARY HVAC EQUIP. JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF REPLACEMENT PG 1

Section 23 81 00-1

SECTION 23 81 00 DECENTRALIZED UNITARY HVAC EQUIPMENT

PART 1 - GENERAL







1.2 EQUIPMENT NAMEPLATES

A. Each piece of equipment shall have a stainless steel nameplate with engraved or stamped 1/32" deep markings identifying manufacturer, model number, serial number, voltage, phase, amperage, refrigerant type, etc. as applicable. Attach to equipment with a minimum of two stainless steel fasteners.


2.1 PACKAGED ROOFTOP AIR CONDITIONING UNIT (RTUs)

A. GENERAL: Outdoor, rooftop mounted, electrically controlled, heating and cooling unit utilizing a fully hermetic scroll compressor(s) for cooling duty and gas combustion for heating duty. Unit shall be configured for vertical supply and return.

B. CABINET: The cabinet shall be constructed of galvanized steel and shall be bonderized and coated with a prepainted baked enamel finish on all externally exposed surfaces. Cabinet panel shall easily removable for servicing.

C. CABINET INSULATION:

01 Evaporator fan compartment:

a. Interior cabinet surfaces shall be insulated with a minimum 1/2-in. thick, minimum 11/2-lb density, flexible fiberglass insulation bonded with a phenolic binder, neoprene coated on the air side.

b. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation. B. (23 07 16.13.B.)

02 Gas Heat Compartment:

a. Aluminum foil-faced fiberglass insulation shall be used.

b. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation.


Section 23 81 00-2

D. EVAPORATOR FAN: The fan section shall consist of resiliently mounted centrifugal fans, a direct drive, ECM motor with internal phase loss and reversal protection and manual speed setting with integral adjustment pot.

E. COOLING SYSTEM: Refrigerant circuit shall include the following control, safety, and maintenance features: a.

01 Fixed orifice metering system on 04-06 models and TXV on 07 size models shall include a multiple feed distribution system that optimizes coil performance.

02 Refrigerant filter drier - Solid core design. c.

03 Service gage connections on suction and discharge lines.

04 Pressure gage access through a specially designed access port in the top panel of the unit.

F. COMPRESSOR: Unit shall use fully hermetic, scroll compressor for each independent refrigeration circuit. Compressor motors shall be cooled by refrigerant gas passing through motor windings. Compressors shall be internally protected from high discharge temperature conditions. Compressors shall be protected from an over-temperature and over-amperage conditions by an internal, motor overload device. Compressor shall be factory mounted on rubber grommets. Compressor motors shall have internal line break thermal, current overload and high pressure differential protection. Crankcase heaters shall not be required for normal operating range, unless required by compressor manufacturer due to refrigerant charge limits. Compressor on 04-06 models shall be of a single stage cooling capacity design.

G. EVAPORATOR: Standard evaporator coils shall have aluminum lanced plate fins mechanically bonded to seamless internally grooved copper tubes with all joints brazed.

H. CONDENSER: Standard condenser coils shall have aluminum lanced plate fins mechanically bonded to seamless internally grooved copper tubes with all joints brazed. Condenser fan motor shall be a totally enclosed motor with permanently lubricated bearings, inherent thermal overload protection with an automatic reset feature. Condenser fan shall be a direct-driven propeller type fan constructed of high impact composite material.

I. GAS FURNACE (RTU-1 thru RTU-8): Heater shall utilize propane gas. Heat exchanger shall be an induced draft design. The heat exchanger shall be controlled by an integrated gas controller (IGC) microprocessor. Unit shall be equipped with anti-cycle protection with one short cycle on unit flame rollout switch or 4 continuous short cycles on the high temperature limit switch. Fault indication shall be made using an LED. Heat exchanger shall be of the tubular section type constructed of a minimum of 20-gage steel coated with a nominal 1.2 mil aluminum-silicone alloy for corrosion resistance. Induced draft combustion motor and blower shall be a direct-drive, single inlet, forward curved centrifugal type made from steel with a corrosion resistant finish, have permanently lubricated sealed bearings, have inherent thermal overload protection, and have an automatic reset feature.

J. ELECTRIC FURNACE (RTU-9): Heater element open coil resistance wire, nickel-chrome alloy, 0.29 inches inside diameter, strung through ceramic insulators mounted on metal frame. Coil ends shall be staked and welded to terminal screw slots. Heater assemblies shall be provided with integral fusing for protection of internal heater circuits not exceeding 48 amps each. Auto reset thermo limit controls, magnetic heater contactors (24 v coil) and terminal block shall all be mounted in electric heater control box (minimum 18 ga galvanized steel) attached to end of heater assembly.

K. REFRIGERANT: Unit shall use R-410A.


Section 23 81 00-3

L. CONDENSATE DRAIN: Unit shall have sloped, corrosion resistant drain pan.

M. WARRANTY: One year on the unit and five years on the compressors.

N. CERTIFICATIONS: Units shall bear the ARI rating seal and be U.L. Listed.

O. ACCEPTABLE MANUFACTURERS: Carrier or approved equal.

END OF SECTION

26 00 00 ADDENDUM 1 GENERAL ELECTRICAL JOB NO. RGCI 20.007 (MWA NO. 20-14) BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 00 00-1

SECTION 26 00 00 GENERAL ELECTRICAL REQUIREMENTS

PART 1 - GENERAL



B. The General Electrical Requirements as specified in Sections 26, apply to the work specified in this Section.

C. Equipment shall meet applicable requirements include in the NEC, UL, NEMA and ANSI Standards and be so labeled.


A. Provide all supervision, labor, equipment and materials required for the installation of complete and operating electrical systems in the building. Pay all fees and obtain all permits related to construction activities and utility service installation.

1.3 DRAWINGS AND SPECIFICATIONS


B. EQUIPMENT AND DEVICE LOCATION: The drawings indicate approximate locations of the various items of electrical systems. These items are shown approximately to scale and attempt to show how these items should be integrated with building construction. Locate all the various items by on-the-job measurements, conformance with Contract Documents and cooperation with other trades. Refer to Architectural Drawings that may locate devices relative to casework or devices provided by other contractors. The drawings are schematic in nature and are not intended to show exact locations of conduit, but rather to indicate distribution, circuitry and control.

C. CEILING DEVICES: All light fixtures, speakers and other ceiling devices shall be located to conform to the ceiling grid system as shown on the Architect’s reflected ceiling plan. Examine all drawings to become familiar with this requirement. In no case should fixture locations be determined by scaling drawings. Lighting fixtures in mechanical spaces are shown in their approximate location only. Do not install light fixtures until mechanical piping and ductwork is installed. At that time install lights in a location to provide best lighting.

D. MINOR RELOCATION: In certain instances, the Architect may require minor relocation of outlets, switches, etc. of up to five (5) feet. If Contractor is informed of necessary relocation before work is begun on this portion of the job, no extra compensation will be allowed.


Section 26 00 00-2

1.4 REQUIREMENTS FOR ALL MATERIALS

A. U. L. LABEL: All materials must be new and of good quality and shall bear the stamp of approval of the Underwriters' Laboratories, Inc. (U. L.). Equipment and materials shall be used and installed consistent with the U. L. testing and U. L. requirements.

B. MISCELLANEOUS ACCESSORIES: Provide all parts and accessories necessary for a complete installation for the systems and equipment specified.

C. HAZARDOUS MATERIAL: All materials shall be certified to not contain any asbestos, PCB's or other material banned by the Environmental Protection Agency.


A. COORDINATION: The Contractor shall cooperate with other trades on the job and make installations in the proper sequence during the construction of the buildings, and he shall notify the Architect well in advance of construction of all interference of his work with that of other trades and of building construction. This notification shall not relieve the contractor of his responsibilities to coordinate his work with the total project. Where various items of equipment and materials are specified and scheduled, the purpose is to define the general type and quality level, not to set forth the exact trim required to fit the various types of ceiling, wall or floor finishes. Provide materials which will fit properly the types of finishes actually installed.

B. BASIS OF DESIGN: Equipment that is scheduled is the basis of the design and has been coordinated for space, installation and electrical requirements. Equipment and models from other acceptable manufacturers have not been verified or coordinated and may vary from scheduled equipment. Contractor shall verify these requirements prior to using other equipment in his bid and include any additional costs for installation of the substitute equipment. Confirm electrical installation requirements of equipment provided by other trades prior to installation. Incorrectly installed materials shall be replaced at no cost to the Owner.

C. WORKMANSHIP: All work shall be performed in a neat workmanlike manner and in the best practice of the trade. Only workmen skilled in the trades shall be employed to perform the work included in these specifications.


1.6 ALTERNATES

A. Determine the scope of each specified alternate proposal by carefully reading all Divisions of the Documents. The Bid Form contains information explaining the extent of the construction to be performed under a specific alternate. Alternate proposals, which are not predominantly electrical in scope, are described in other Divisions of these Documents.

1.7 CODES

A. All materials and their installation shall be in accordance with the National Electrical Code, local building codes and the National Safety Code. Nothing in the plans and specifications shall be construed to permit work not conforming to the most stringent of the codes. Particular attention shall be paid to the U. L. codes for fireproofing of conduit,


Section 26 00 00-3

electrical devices and light fixtures that are part of or pass through fire rated ceilings, walls and floors.


A. The Contractor shall be familiar with the Drawings and Specifications and shall have examined the premises and understand the conditions under which he will be obligated to operate in performing the contract. No allowance shall be made consequently for any error through negligence in this regard.

1.9 ELECTRICAL SERVICE

A. GENERAL: Obtain (during the bidding period) from the Power Company all required information to provide a complete electrical service installation as shown on the Drawings.

B. SERVICE: The service characteristics are 240Δ/120V, 3 phase, 4 wire and 120/240V, 1 phase, 3 wire.

C. FEES: Refer to Architectural Sections for requirements.

1.10 TEMPORARY SERVICE

A. Provide a temporary electrical service for construction power. Size and voltage as required for construction activities as specified by the General Contractor. Construction site distribution shall be overhead and comply with the latest NEC and OSHA Standards and the current edition of the National Electrical Safety Code (NFPA 70e) for safety in the workplace. Remove all temporary wiring upon project completion.

B. Pay all fees and installation costs charged by the Power Company for temporary service for construction power and its removal.

C. Where the Owner allows the use of the building permanent service for construction activities the contractor shall pay all fees, kilowatt hour charges, etc. related to its use.

1.11 GUARANTEE

A. All materials, apparatus and equipment furnished and installed under this Section of these Specifications shall be new and free from any defects when accepted by the Owner and shall be guaranteed in writing for a period of one year from the date of acceptance by the Owner. . All extended warranties shall be from the date of acceptance by the Owner regardless of when the equipment was delivered to the job site or started up by the contractor.

1.12 SUBMITTALS


B. The purpose of these submittals is to attempt to aid the contractor in such a manner that improper or unacceptable materials are not delivered to or installed on the job. Shop drawings shall be approved before installation of the material under consideration. Approval of these submittals shall not be construed as releasing the Contractor from


Section 26 00 00-4

compliance with the Contract Documents. All materials and equipment shall be subject to final acceptance by the Engineer at completion of construction.

C. Equipment and material submittals must show sufficient data to indicate complete compliance with contract documents as follows:

01 Proper sizes and capacities.

02 That the item will fit in the available space in a manner that will allow proper service.

03 Floor plans, elevations, wiring diagrams, etc. necessary to verify proposed installation.

D. Catalog data must be clearly marked to indicate the item or model number being submitted and must include all specified accessories. All information on a catalog sheet not pertaining to the item being submitted must be marked out.

E. All submittals shall include a table of contents listing all items in that specific submittal. All submittals on the project need not be submitted in PDF. The front sheet of each copy of the submittal shall have the following typed information:


02 General Contractor's name, address, project manager's name and telephone number.

03 Submitting Sub-contractor's name, address, project manager's name and telephone number.

04 Supplier's company name, address, salesman's name and telephone number.

F. For any item to be installed in or on a finished surface (such as tee bar acoustical ceiling, plaster wall), Contractor certifies by making the submittal that he has checked all applicable contract Documents and that the item submitted is compatible with the surface finish on which it is to be installed.

G. Submit shop drawings and/or brochures as indicated in individual sections and for:

Circuit Breakers Disconnect Switches Wiring Devices

Raceway Conductors

Fire Alarm System

H. If a submittal is returned to the Contractor marked “Rejected” or “Revise and Resubmit”, only one (1) additional submittal will be permitted without the Contractor incurring charges for the additional re-submittals. SEG shall be reimbursed by the Contractor for any expense in connection with any necessary submission in addition to the two (2) submissions allowed. Contractor will be billed by SEG at a rate of $125/hr for these occurrences.

1.13 SUBSTITUTIONS

A. The names of manufacturer and model numbers have been used in the Contract Documents to establish types of equipment and standards of quality and are intended to be the Basis of Bid. No attempt has been made to determine if each manufacturer listed for a particular item of equipment will produce material that will comply with all requirements. If only one manufacturer is named for a specific item of equipment (except


Section 26 00 00-5

lighting fixtures), the specified manufacturer will be the only acceptable one. Where more than one manufacturer is named for a specific item of equipment, only one of these manufacturers will be considered for approval. Where only one manufacturer is mentioned with the phrase "or approved equal", Contractor may submit an alternate manufacturer as outlined in Special Conditions and this Article. If a submittal contains sufficient information to prove compliance with the Contract Documents, then that submittal will be acceptable.

B. All other brands, including any additional names which may be listed as “Alternates” or “Approved Equal” must conform with the specifications, size, accessories, etc. of the first named brand and be subject to Paragraph D and E of this Article. Alternate equipment must be equal from the standpoint of materials, construction and performance. Request for substitution must be accompanied by complete data and descriptive sheets during the bidding period as described in Paragraph D and E of this Article.

01 Submitted on Bidder’s letterhead attached to Proposal Form with individual deductive amounts stipulated and the documentation required in Paragraph E-03.

02 All savings for Owners selection of deductive amounts by acceptance of alternate or substituted items are to be paid to the Owner.

C. All equipment within common group or category (e.g. switchgear, lighting fixtures, fire alarm, etc.) shall be same manufacturer.

D. Proposed Substitutions/Approved Equals:

01 Submitted no less than 7 calendar days prior to bid date.

02 Submit proposed substitutions with catalog data and/or manufacturer’s shop details indicating all modifications required to conform with specified brand. Include all relevant items necessary to make a determination of equal status or submittal shall be deemed incomplete and rejected.

03 If submittal contains sufficient information to prove compliance with the Contract Documents, then that alternate submittal will be acceptable. Approved submittals for bidding purposes only will be published by addenda.

E. Substitutions with prior approval:

01 Submitted on Bidder’s letterhead attached to Proposal Form with individual additive/deductive amounts stipulated and the documentation required in Paragraph B-2.

02 Owner reserves the right to accept or reject any or all substitution proposals before execution of Contract.

03 Provide all design/engineering services required to make adjustments in space, systems, utilities, etc. and pay all additional costs of utilities, construction or professional services that may be incurred due to the acceptance of any substitution.

1.14 FOUNDATIONS AND EQUIPMENT SUPPORTS

A. GENERAL: Provide all foundations and supports.

B. OUTDOOR ELECTRICAL EQUIPMENT: Provide structural pad to support pad mounted transformers, outdoor switchgear and generators. Provide galvanized pipe or angle iron structure to support weatherheads, meters, and outdoor protective devices and disconnect switches. Provide bollards to protect equipment installed in traffic areas.


Section 26 00 00-6

C. INSIDE ELECTRICAL EQUIPMENT: Securely attach panels to block walls with concrete bolts. When attaching to sheetrock or other less substantial walls, provide blocking and unistrut cross supports to securely attach panel to structural members. Where panels are required to be freestanding provide angle iron support structure bolted to floor and building structure.

1.15 NOISE

A. Eliminate any abnormal noises which are not considered by the Architect to be an inherent part of the systems as designed. Abnormal buzzing in equipment components will not be acceptable.

1.16 TESTING BY CONTRACTOR

A. GENERAL: All wiring, instruments, apparatus and equipment shall be tested for continuity, ground and short circuits before the circuits are energized. For 120 Volts circuits, the neutral/s may require disconnecting. A complete record of all testing shall be submitted to Owner at completion.

B. GROUND TESTING: The resistance of the grounding system to ground shall not exceed 3 ohms for water pipe ground or 6 ohms for driven ground rods. If tests indicate a higher value, additional ground rods shall be installed to reduce the resistance to a value of 6 ohms or less. Whenever connection is required to an existing ground conductor, tests shall be made before connection to ensure that the existing ground conductor is unbroken and continuous. Testing shall be in accordance with generally accepted practice.

C. INSULATION TESTING: Test all electrical equipment bussing, underground feeders and feeders 1/0 and larger at 85% of rated insulation value. Insulation tests shall be made with a 500 volt "Megger" as manufactured by James G. Biddle Company or equal. Test one conductor at a time with other two grounded. Attempt to raise voltage to maximum in one minute. Do not exceed 2 MA. Polarization Index (amps ratio - 1 minute/10 minutes) to be at least 3 unless approved otherwise.

D. INFRARED SCANNING: After Substantial Completion, but not more than 60 days after Final Acceptance, perform an infrared scan of each panelboard, switchboard, switchgear, automatic transfer switches, and splices in cables/conductors No. 3 AWG or larger. Remove box and equipment covers so equipment interiors and splices are accessible to the portable scanner.

01 Follow-up Infrared Scanning: Perform an additional follow-up infrared scan of each panelboard and splice in cables/conductors No. 3 AWG or larger no more than eleven (11) months after date of Substantial Completion or one (1) month before the end of the warranty period whichever is sooner.

02 Instrument: Use an infrared scanning device designed to measure temperature or to detect significant deviations from normal values and produce a thermal image of the tested location. Provide calibration record for device.

03 Record of Infrared Scanning: Prepare a certified report that identifies locations/equipment checked and that describes scanning results. Include images generated by thermal scanner, notation of deficiencies detected, remedial action taken, and observations after remedial action.

E. GROUND PENETRATING RADAR: Where concrete flooring or paving must be cut to install MEP systems, contractor shall take measures to prevent damaging existing underground services. Contractor shall utilize ground penetrating radar and electrical


Section 26 00 00-7

circuit tracing equipment in the area to be excavated to determine the existence of underground services. When saw cutting, limit the depth of the cut to less than the thickness of the concrete. Breakout the concrete manually with special care in areas of possible underground services.

F. ADDITIONAL TESTING: The Contractor shall make such other tests as required by the Authority Having Jurisdiction (AHJ) or as may be or become necessary to assure satisfactory operation of each unit device or equipment.



B. OWNER’S INSTRUCTIONS: Provide the following periods of instruction for each site to the Owner's designated personnel upon completion of the system's installation. Provide additional training as noted in individual equipment specifications.

01 Reference 260010 Closeout Requirements.

C. CLOSEOUT MANUALS:


1.18 MOUNTING HEIGHTS

A. GENERAL: Heights are measured to centerline from the finished floor. Where devices are located in block walls Architect may require height to be adjusted so junction box is in a desired relationship with the mortar joint. Device must still be mounted within the acceptable height range for ADA.

B. DEVICE:

Receptacle 18"

Fire alarm notification device 82" or on ceiling

1.19 ELECTRICAL INSPECTIONS

A. GENERAL: Contractor shall request inspections to review any and all electrical installations. Inspections shall include but not be limited to: system tests, grounding tests, underground installations prior to backfill, rough-in installations, wall cover inspections, above ceiling inspections, final inspection.

B. GOVERNMENTAL INSPECTIONS: Contractor shall test and demonstrate systems, allow for Engineer and Owner inspections, and correct all punch list items before arranging for inspections from the Fire Marshall or other final “Certificate of Occupancy” inspection requirements. This will require that the contractor complete systems in a timely manner to meet construction schedules.


D. INSPECTION REPORTS: After each inspection, SEG will generate an inspection report and distribute promptly. The Contractor will then be given 7 working days from date of


Section 26 00 00-8

report to address all deficiencies listed on the report. The GENERAL CONTRACTOR shall verify that all items on each inspection report have been addressed by their subcontractors in this time period. Once verified the GENERAL CONTRACTOR shall sign-off on each deficiency listed on the report and return the signed-off copy of the inspection report to SEG via e-mail. After the signed-off report is returned to SEG, the GENERAL CONTRACTOR shall request a re-inspection by SEG to close the report. If after 7 working days no re-inspection is requested by the GENERAL CONTRACTOR to close a report, SEG reserves the right to re-inspect whenever our schedule allows, with these re-inspections still being subject to Paragraph E below.

E. TEST REJECTIONS AND RE-INSPECTIONS: If a test is rejected or a re-inspection of an issued SEG Inspection Report is found to NOT be completely addressed, only ONE (1) additional inspection will be permitted without the Contractor incurring charges for each additional inspection required. SEG shall be reimbursed $1000 by the GENERAL CONTRACTOR for expenses in connection with EACH inspection in addition to the two (2) re-inspections allowed.


A. In areas of demolition, contractor shall remove all electrical devices, conduit and wiring not to be reused. Any material that has salvage value shall be offered to the Owner, and if accepted, delivered to his warehouse or other designated location. If not accepted it shall be properly disposed of with the other construction debris.

B. Resupport, rehang, and rebundle existing conduit and cabling to remain. Rework existing circuits and installation to accommodate for renovation/demolition work including but not limited to changes in ceiling heights, ceiling types, and wall locations. Group cabling by type/trade and all materials shall be properly supported per applicable codes and standards.

C. Where partial circuits or systems are to be reused, ensure that they remain active. Where existing equipment is removed and reinstalled or replaced with new equipment, modify, extend and relocate existing feeder and other wiring, and connect to equipment. Relocate conduit as necessary to allow new or modified construction. Repair existing electrical systems damaged by construction activities.

D. Remove and replace ceilings as necessary to install or modify electrical systems.

E. Where ceilings are removed or replaced, remove and reinstall lights, speakers, security devices, fire alarm devices and other existing electrical and low voltage devices in the ceiling. Any low voltage cabling laying on ceilings shall be supported from structure per applicable codes and standards. Segregate fire alarm and security from other cabling.

F. Where existing adjustable circuit breakers are to be reused, adjust for revised loads. Where existing fused switches are to be reused, replace fuses with proper size for revised loads. Where new circuit breakers are to be installed in existing panels, verify that the circuit breaker will fit in the allotted space. Provide NEMA 1 enclosure installed adjacent to panel and wire connect to bussing if there is insufficient space.

G. Where light fixtures are to be replaced or added in existing areas, verify and coordinate existing voltages with fixtures to be supplied prior to ordering fixtures.

H. Where auxiliary systems such as fire alarm, security, data, sound, etc, interface with existing equipment that is replaced or modified (mechanical, electrical or plumbing), disconnect and reconnect these systems.

END OF SECTION

26 00 10 ADDENDUM 1 ELECTRICAL CLOSEOUT JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 00 10-1

SECTION 26 00 10 ELECTRICAL SYSTEMS CLOSEOUT REQUIREMENTS

PART 1 - GENERAL







B. CLOSEOUT MANUALS: At completion of job, furnish three copies of spare parts lists, operating instructions, product cutsheets, test results, manufacturer’s studies/settings/reports and as-builts for all equipment furnished under this Division. These lists and instructions shall be published by the manufacturer of the equipment. Bind in 3-ring binders with project name. Provide a CD with a digital copy of complete closeout manual with each binder.

01 DOCUMENTATION:

a. Panelboards, low voltage circuit protective devices, and transformers.(i) Complete device and equipment documentation.(ii) As-built panelboard drawings/schedules.(iii) As-build feeder routing and sizing.(iv) Electrical systems ground testing report.(v) Insulation testing report.(vi) Infrared scanning report.(vii) Warranty information.

b. Wiring Devices(i) Complete device and equipment documentation.

c. Low Voltage Circuit Protective Devices(i) Complete device and equipment documentation.

d. Division 28:(i) Refer to Division 28 sections.(ii) Fire Alarm System

1. Owner’s Operation Memo2. Complete device and equipment documentation.3. User manuals.4. Complete As-Built Wiring Diagrams


Section 26 00 10-2

5. Complete Fire Alarm Floor Plan of the Building6. Detector Sensitivity Settings7. Certification of system performance and operation as

specified.8. Warranty Information

02 TESTING:

a. 260000 – Building insulation testing reportb. 260000 – Building infrared scanning report

03 SPARE PARTS:

a. Deliver all spare parts and loose items to the Owner at the end of the project. Provide a spare parts list and signed transmittal listing all items with closeout documentation.

04 WARRANTY:

a. Provide manufacturer’s warranty information, including any extended warranties included in the project.

b. Provide warranty letter from each contractor and sub-contractor.c. Provide copy of extended service contracts, if any, included in the

project.

2.2 GUARANTEES, WARRANTIES, AND SERVICE CONTRACTS

A. GENERAL FOR ELECTRICAL SYSTEMS: All materials, apparatus and equipment furnished and installed under this Section of these Specifications shall be new and free from any defects when accepted by the Owner and shall be guaranteed in writing for a period of one year from the date of acceptance by the Owner unless noted to have extended warranties.

B. DIVISION 28:

01 Refer to Division 28 sections for additional information.

02 FIRE ALARM SYSTEM

a. System (materials and installation) shall be warranted for one year following substantial completion. Problem trouble shooting and repair shall begin within 24 hours of notification.

2.3 SPARE PARTS

A. GENERAL: Upon completion of the installation, deliver to the Owner all tools and spare parts that are furnished by the Equipment Manufacturer for use with the equipment furnished under this Contract. Include a spare parts list and signed transmittal with closeout documents.

B. Reference individual specification sections for additional information.

C. FUSES:

01 Provide 10% spare fuses of each size, minimum of three (3) per size.

02 Deliver spare fuses to Owner to be stored at a location of their choosing.

D. DIVISION 28:

01 Refer to Division 28 sections for additional information.


Section 26 00 10-3

02 FIRE ALARM SYSTEM

a. Ceiling Smoke Detectors One (1)b. Ceiling Heat Detectors One (1)c. AHU Relays One (1)

2.4 TRAINING

A. All training sessions for specific systems equipment (Generator/ATS, Network Lighting Controls, etc.) shall be recorded and the recordings be included in the closeout materials.

B. GENERAL: Base electrical systems 4 hours.

01 Provide training/demonstration. Material covered shall include:

a. Maintenance of equipment.b. Locations of equipment.c. Locations of in-ground junction boxes.d. Underground conduit.

C. DIVISION 28

01 Fire Alarm System: 2 Hours

2.5 SCHEDULED WARRANTY ITEMS

A. After 10 months but no more than 11 months from Owner acceptance the contractor shall perform:

01 A warranty walk with the Owner, Owner’s Representative, Architect, and Engineer and correct any identified items.

B. Perform an Infrared scan of the electrical systems as indicated in 260000 General Electrical Requirements, generate a report to be reviewed by the Engineer, and correct any identified items.

END OF SECTION

26 05 00 ADDENDUM 1 COMMON WORK RESULTS ELECTRICAL JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 05 00-1

SECTION 26 05 00 COMMON WORK RESULTS FOR ELECTRICAL

PART 1 - GENERAL







1.2 GENERAL INSTALLATION REQUIREMENTS

A. All electrical work dealing with electrical circuits or power requirements of 110 volts or higher shall be performed by a licensed journeyman electrician supervised by an on-site master electrician.

B. All cables not installed in conduit shall be plenum rated.

C. All conductors and cable shall be properly labeled at both ends and at any intermediate splice.

D. All low voltage cables shall be installed in continuous length without splice.

E. All miscellaneous plenum rated cables shall be supported from and near structure with nylon straps or D-rings. Refer to individual specification sections for additional requirements. Do not weave through joists for support. All exposed cabling, and cabling above inaccessible ceilings shall be installed in raceway.

F. Install conduit sleeves with protective grommets for all wall penetrations for plenum rated cables.

G. Seal all sleeve and conduit penetrations of walls with grout or hardening caulk, suitable for wall material, to mechanically attach sleeves to the wall. Provide fire rated sealant at fire rated walls.

H. In areas of remodeling, remove all conduit and wire that is not to be reused. Resupport existing conduit and wire to remain.

I. Provide grounding bushings for all connections at concentric and eccentric knockouts, and where reducing washers are used.

J. All junction boxes and other devices above ceiling that may require maintenance shall be located within 18” of the ceiling.

K. Where light fixture switches are shown together, they shall be installed in a common junction box and faceplate.

L. Where receptacles and/or data outlets are shown grouped, install close together. Provide Caddy TSGB16, RBS16 or equal mounting bar for sheetrock walls to accomplish this.


Section 26 05 00-2

M. All exterior junction boxes in the ground shall be concrete type with traffic rated tops.

N. All junction and pull boxes shall be marked noting electrical circuits and relay circuits of wiring within the box. Circuit labels shall be written on the cover in black permanent marker and shall be readable from the floor level without removing the cover. Additionally, junction box housings shall be color coded as follows.

01 J-boxes and covers in finished spaces shall be painted to match. Write circuit number on inside of j-box cover.

02 J-boxes and covers in unfinished spaces accessible to the public such as welding shops, HVAC labs, automotive shops, etc. shall be painted to match.

a. Write circuit number on outside of j-box cover.

b. Write circuit number on inside of j-box cover where paint color is too dark to maintain readability of marker labeling.

03 Normal Power 120V/208V/240V: Blue

04 Do not paint the covers except in finished spaces.

O. Where concrete flooring or paving must be cut to install MEP systems, contractor shall take measures to prevent damaging existing underground services. Contractor shall utilize ground penetrating radar and electrical circuit tracing equipment in the area to be excavated to determine the existence of underground services. When saw cutting, limit the depth of the cut to less than the thickness of the concrete. Breakout the concrete manually with special care in areas of possible underground services.


2.1 RACEWAY SYSTEMS

A. REQUIRED: Complete raceway systems for all wiring. This includes, but is not limited to feeders, branch circuit wiring, low voltage lighting controls, temperature controls wiring, data cabling, video cabling, sound systems wiring, security systems wiring and fire alarm system wiring. Generally auxiliary system and controls wiring is plenum rated so conduit system would consist of junction boxes and conduit in walls, above inaccessible ceilings and sleeves through walls. Control and interlock wiring shall be provided under the Mechanical Section. Refer to technology drawings for conduit sizes and locations for technology and security systems.

B. SLEEVES

01 Provide sleeves for all wiring passing through walls, floors not on grade and roof slabs.

02 Sleeves shall be sized with maximum 40% conduit fill.

03 Sleeves through floors shall be increased one trade size with a minimum size of 2” to provide spare capacity for the future.

04 Floor slab sleeves shall extend minimum 3" above floor level. Fully grout and seal the penetration around the sleeve to prevent water from entering the space below. Grouting shall form a 1” curb above floor level around the sleeve.

05 Sleeve interiors through floors and through fire walls shall be fire caulked or otherwise protected to maintain the fire rating of the wall.

B. LOW VOLTAGE CONDUIT:


Section 26 05 00-3

01 Conduit, j-boxes, and pull boxes shall be provided by the Division 26 contractor for installation of low voltage devices and cabling. Refer to other sections and the drawings for specialty box requirements.

02 Where conduits for low voltage cabling are installed above grade they shall utilize standard radius bends and 90 degree factory elbow to exit the wall.

a. Minimum bend radius shall match a standard radius factory elbow:

Above Grade Low Voltage Conduit Minimum Bend Radius

Conduit Size Bend Radius Conduit Size Bend Radius

3/4" 4.5” 2” 9.5”

1” 5.75” 2.5” 10.5”

1.25” 7.25” 3” 13”

1.5” 8.25” 4” 16”

b. Final section of the elbow shall be no higher than 18” above the ceiling and be flat/horizontal.

c. Provide a single piece, protective, nylon bushing on the end of all low voltage conduits. Split bushings shall only be acceptable where there are existing cables to be protected or with prior written approval.

03 Where conduits for low voltage cabling are installed below grade they shall utilize a large radius sweep.

a. Minimum bend radius shall be 24”.

C. RACEWAY CAPACITY: It shall be the Contractor's responsibility to determine the correct sizes of all types of raceway, to be installed, as instructed in the NEC and all applicable Codes. Runs of underground conduit longer than 80 feet shall be one size larger than NEC requirement, 4" maximum.

D. INSTALLATION:

01 LOCATION: Conceal all raceway systems in ceilings, walls and floors, except feeders serving equipment in mechanical and electrical equipment rooms, and in such other areas as indicated where conduit may be exposed. Keep conduits at least 8" away from any heat producing items.

a. Do not install conduit below grade or in floor slabs unless there is no other way to conceal conduit.

b. Equipment feeders in mechanical rooms or mechanical yards shall be run above grade.

c. Conduits in mechanical yards shall be routed overhead to the equipment being served in a manner that maintains access and does not interfere with equipment, piping, devices, etc. Conduits may be mounted on the underside of piping supports provided by the mechanical contractor.

d. Major feeders from switchboard to distribution panels or electrical panels may be run underground where they consist of either:

1) Single runs containing 4/0 or larger wire

2) Parallel runs of 3/0 or larger.

e. Do not install conduit on roof unless specifically shown to be on the roof or authorized in writing by the Engineer.


Section 26 05 00-4

f. All junction and pull boxes above accessible ceilings shall be mounted so that the access panel is no higher than 18” above the ceiling.

02 ROUTING: Conduit shall be installed parallel to building coordinates, except for underground feeders from panel to panel may be installed in the most direct manner except where indicated on the drawings. Install all horizontal conduit at structure unless mounted to a wall.

03 EXPOSED RACEWAY: Run parallel to walls, ceiling or structural members, in a manner to present a neat appearance. Before installation, explain to the Inspector the proposed method of routing and obtain his approval. Hold all horizontal conduit at ceiling or structure, unless mounted on wall. Exposed conduit visible in public and finished spaces shall be painted to match.

04 SUPPORT: Provide adequate and sturdy support for all parts of raceway system.

a. Conduit concealed in walls or slabs may be supported with wire hangers, provided they are of heavy gage and spaced to give adequate strength.

b. Exposed conduit must be supported with materials specifically made for this purpose; do not use wire hangers.

c. Do not attach any parts of raceway system to air conditioning ducts or ceiling systems.

d. Wiring above ceiling without conduit shall be supported from structure or wall with J hooks, cable rings, or other manufactured devices designed for this service.

e. Unless described by detail on the drawings, provide Tolco Pipe Pier, Caddy Pyramid, Eaton Dura-Blok or similar strut based supports four feet on center to support conduit on the roof. Select for proper weight loading. Confirm with other trades that conduit supports are compatible with the roofing system prior to installation.

f. Provide Eaton Dura-Block strut based supports four feet on center to support conduit on or above Avadek or similar fluted canopies. Align support with and place in the bottom flute. Select for proper weight loading. Equal strut based supports with integral drainage channel shall also be acceptable.

05 CONTINUITY: Make all joints and connections in a manner which will ensure mechanical strength and electrical continuity. Use double locknuts and insulated bushings for rigid conduit, and insulated type connectors for EMT conduit 1” and larger for connections to boxes. Use insulated grounding bushings wherever connection is subject to vibration or moisture, such as near mechanical equipment, when internal ground wire is installed, and when concentric or eccentric knockouts are encountered, as well as where reducing washers are used.

06 PULL BOX LOCATIONS: As required by the National Electrical Code and utility provider requirements.

07 EXPANSION FITTINGS: Install O. Z. or equal expansion fitting in each run of conduit which crosses a building expansion joint, and in all runs longer than 200 feet.

08 CORROSION PROTECTION: For all non-coated metal raceway in contact with concrete or mortar, tape with 3M corrosion protective tape, or equal. Tape shall extend for approximately 6" before entering and after exiting concrete. Conduit


Section 26 05 00-5

through slabs at grade shall be PVC coated rigid galvanized steel.

09 PULL WIRE: Install nylon pull cord in all low voltage raceway systems and empty electrical power raceway systems.

10 OPENINGS: Keep all raceway openings closed in a manner to prevent entry of moisture and foreign materials until conductors are installed.

11 FIRE PROOFING: All power and low voltage raceway components passing through or installed within U. L. fire rated walls, ceiling or floor structures shall be fireproofed in the manner prescribed by the U. L. Fire Resistive Index and local building codes. All penetrations shall be fireproofed with 3M Fire Barrier CP25WB caulk, moldable putty or FS-195 wrap/strip installed per the manufacturer's recommendations.

12 SEALING: All conduit, junction box, outlet box and other penetrations of the building envelop shall be sealed with non-hardening caulking or other non-hardening material as required by the International Energy Conservation Code.

E. MANUFACTURERS: All components of raceway systems must bear U. L. label.

2.2 CONDUIT

A. CONDUIT TYPES

01 RIGID GALVANIZED STEEL – Threaded fittings

02 PVC COATED RIGID GALVANIZED STEEL - All PVC coated rigid galvanized steel conduit shall comply with UL 6 and NEMA No. RN-1 standards and meet ASTM D870 and ASTM D2247 testing requirements. Provide PVC coated couplings, fittings and pulling elbows matching the installed conduit.

a. Plasti-Bond REDH2OT with ETL Verified PVC-001 label

b. Perma-Cote with ETL Verified PVC-001 label

c. KorKap with ETL Verified PVC-001 label

d. Or approved equal with ETL Verified PVC-001 label.

03 PVC CONDUIT – Schedule 80

04 EMT – Steel conduit

a. Provide die cast set screw fittings.

b. Provide insulated throat watertight fittings where conduit is exposed to dampness inside building.

05 FLEXIBLE METAL CONDUIT – Greenfield, galvanized steel conduit for field installation of conductors (maximum 24”)

06 LIQUID TIGHT FLEXIBLE METAL CONDUIT – SealTite Type UA galvanized steel conduit with PVC waterproof coating for field installation of conductors (maximum 24” long except light fixtures up to 72”)

a. Liquid-Tuff by Kaf-Tech or AFC shall also be acceptable.

07 MC CABLE

a. Flexible steel conduit with factory installed, stranded, color coded copper conductors, green insulated ground wire and polypropylene sheath/tape. Armor exterior shall be color coded for contained conductors/voltage

identification. Conductor insulation shall be 600V, 90C rated and color


Section 26 05 00-6

coded to match the building standard color coding.

1) AFC MC Tuff.

2) Equal by Kaf-Tech shall also be acceptable.

B. TYPE OF CONDUIT FOR VARIOUS LOCATIONS:

01 EXPOSED OUTSIDE OF BUILDING: Rigid galvanized steel. Do not use EMT, IMC or PVC conduit.

a. Conduit under overhangs, canopies, open air structures, and similar spaces shall be considered exposed outside of the building.

02 INSIDE OF BUILDING: IN CEILING CAVITIES, IN EXPOSED FLOOR OR ROOF STRUCTURE AREAS, OR IN DRY WALL TYPE CONSTRUCTION: Galvanized steel EMT or rigid galvanized steel.

03 IN CONCRETE SLABS: Do not install conduit in concrete slabs.

04 FLEXIBLE METAL CONDUIT CONNECTIONS: Use only for connection to lights, motors and transformers from rigid conduit system. Do not loop flexible conduit between light fixtures or receptacles. Provide liquid tight construction and fittings in wet, damp or outside areas. Connections to mechanical equipment in wet locations shall be in liquid tight. Minimum length shall be 18”. Maximum length shall be two feet except light fixture whips may be up to six feet.

05 CONDUIT SLEEVES THROUGH WALLS AND FIREWALLS: EMT extending a minimum of 3” beyond wall with protective bushing at each end. Size to handle cabling with a maximum of 40% fill.

C. MINIMUM CONDUIT SIZE: 3/4"

D. FITTINGS:

01 RIGID CONDUIT: All rigid galvanized steel conduit shall have threaded fittings with insulated bushings.

02 EMT CONDUIT: Provide insulated bushings for all EMT conduit 1" or larger or housing #6 or larger wires.

03 GROUNDING: Provide fitting with grounding lug where conduit attaches to a painted box (disconnect switch, starter, transformer case, etc.), conduit attaches to a box through a knockout which has an associated larger knockout or a reducing washer is used, or conduit contains a feeder from switchgear to switchgear or between switchgear and transformer.

04 TELEPHONE, DATA AND LOW VOLTAGE CONDUIT: Provide protective bushing on the end of telephone, data, sound system or other low voltage conduit stubbed into the ceiling cavity.

a. Bridgeport 90 Insulated Bushings

b. Bridgeport Mighty-Rite Split Bushings

c. Raco Specification Grade Insulated Bushings

d. Raco Universal Split Insulating Bushings

e. Or approved equal.

E. LOW VOLTAGE CONDUCTORS: Low voltage conductors may be run in accessible ceilings without conduit. Provide conduit sleeve with protective end fittings through all walls and floors where raceway system is not installed. All exposed conductors shall be in conduit. All splices shall be in supported junction boxes. Low voltage conductors


Section 26 05 00-7

installed without conduit shall be independently supported on ring hangers, and plenum rated. Low voltage conductors for audio and data wiring shall be stranded unless otherwise recommended by the manufacturer.

01 All conduit bends and 90’s for technology conduits shall be long radius sweeps.

02 Provide protective end fittings on all low voltage conduits.

2.3 PULL BOXES

A. REQUIRED: Pull boxes, junction boxes, wiring troughs and cabinets wherever required for proper installation of various electrical systems.

B. ABOVE GRADE CONSTRUCTION: Made of code gage steel with sides formed and welded, screw covers unless shown to have hinged doors. Hinged doors to be same as furnished on panel boards, with same locking device. Knockouts shall be factory made or formed in field with a cutting tool which will provide a clean, symmetrically cut hole. Do not gang boxes or use extension rings to increase capacity. Boxes outside shall be steel NEMA 3 Type. Pull boxes near cooling towers shall be PVC coated aluminum or stainless steel.

2.4 OUTLET BOXES

A. REQUIRED: For all switches, light fixtures, receptacles and the various other outlets shown.

B. CONSTRUCTION: Galvanized steel, one-piece construction, in all cases suitable for intended use. Provide "gang" boxes where devices are shown grouped. Use hot dipped galvanized cast iron for floors or exterior locations. Boxes outside shall be steel NEMA 3 Type.

C. TYPES FOR VARIOUS LOCATION:

01 CEILINGS: 4" square, 2-1/8" deep.

a. All devices installed in lay-in ceilings shall have bracket to support device from ceiling tees.

b. Caddy Heavy Duty T-Grid Box Hanger or equal.

02 DRY WALLS: Standard galvanized switchbox, gangable for multiple switches or receptacles. Provide 4" square, 2-1/8" deep galvanized switch box (1900) where additional volume is required for wiring. Provide shallow boxes where necessary. Provide Caddy TSGB16, RBS16 or equal mounting bar to fully support and align box with studs.

03 MASONRY WALLS: Galvanized switch boxes designed especially for masonry installations. Depths of boxes must be properly coordinated for each specific installation. Box shall be installed within 1/8” of surface of block.

a. Raco Block-Loc

b. Or approved equal.

04 SURFACE MOUNTED: Boxes surface mounted on walls or floor shall be Bell, cast aluminum box with appropriate plate and threaded hubs.

2.5 CONDUCTORS


Section 26 05 00-8

A. REQUIRED: A complete system of conductors in all raceway systems except where shown otherwise. No conductors are to be installed in telephone conduit. Emergency or exit circuitry shall be installed in a separate raceway system.

B. BUILDING WIRE: 600 Volt, stranded, soft drawn annealed copper, 98% conductivity, continuous from outlet to outlet. Minimum wire size #12 except remote control wire may be #14. All wires shall be color coded with same color connected to same ungrounded phase throughout the installation.

01 All wire shall be type THHN, THW-2 or THWN-2 (wet rated for 90 C)

a. Exceptions:

1) Where raceways or cables are exposed to direct sunlight on or above roofs wiring shall be type XHHW-2 insulated conductors.

2) Where providing connection for circuits containing variable frequency drives (VFDs) wiring shall be type XHHW-2 insulated conductors.

C. MANUFACTURERS: Collier, General Cable, General Electric, Simplex, Triangle and Southwire Co.

D. CONNECTORS: Make all connections on #10 and smaller wire with Code approved solderless pressure type insulated connectors; Ideal Wingnut, 3M Spring Connectors, or equal. Solderless lugs must be used for all terminations.

E. TEST: After installation of all conductors, and before final acceptance, make such tests as are required to determine proper functioning of all circuits. Furnish all necessary instruments required to make such tests and correct any deficiencies found.

2.6 CONNECTIONS TO MOTORS, EQUIPMENT AND DEVICES

A. POWER WIRING: Make wiring connections to all mechanical, plumbing and other equipment being installed as a part of this Contract. In addition, make final connections to and provide matching cords/plugs for Owner furnished equipment. In particular provide and install all cords, plugs, hardwiring, etc. for Owner provided shop equipment, copy machines, and similar equipment. Confirm connections and equipment requirements prior to rough-in.

B. CONTROL WIRING: Control and interlock wiring for HVAC Systems will be provided by the Mechanical Contractor. Motorized dampers of the same voltage as the associated fan shall be wired by the electrical contractor when the damper is in close proximity to the fan.

C. CONNECTIONS TO EQUIPMENT: Make connection to each motor and other equipment subject to vibration with not less than 18" or more than 24” of flexible conduit. All horizontal runs of conduit (not strapped to walls) must be kept above 7 feet high, with a vertical drop to equipment. Conduit blocking walk and service space is not acceptable and will require relocation. Conduit on and adjacent to equipment must be located to allow free access to all removable panels for equipment service. Wire adjacent to heat producing equipment, such as boilers and electric heaters, must be of a type approved for this use.

D. CONNECTIONS TO RECEPTACLES: Multiple devices on a circuit such as receptacles shall be back wired with pigtail so device does not provide continuity path.

01 Feed through connections for GFCI receptacles to provide protection for downstream receptacles is not allowed.


Section 26 05 00-9

2.7 CIRCUITRY

A. The intent of the drawings is to indicate schematically the circuitry required.

B. 20 amp, single phase branch circuits serving lighting may be grouped in a single raceway provided a neutral conductor is installed for each circuit requiring a neutral.

C. 20 amp, single phase branch circuits serving receptacles may be grouped in a single raceway provided a neutral conductor is installed for each circuit requiring a neutral.

D. Do not install more than four current carrying conductors in a conduit, except a total of ten #12 or #10 conductors, including grounding conductors, may be installed in 3/4" or larger conduit.

E. NEMA power outlet circuits shall have dedicated raceways.

F. The work performed in grouping conductors in a single raceway shall comply with all applicable articles in the latest edition of the NEC and Local Codes which shall include, but shall not be limited to, ampacity de-rating of conductors and maximum capacities of raceways.

2.8 POWER CONDUCTOR COLOR CODING

A. 240/120 VOLT DELTA SYSTEMS

Phase A - Black

Phase B - Orange (high leg of delta)

Phase C - Blue

Neutral - White w/ colored stripe

Ground - Green

Isolated Ground - Green w/ yellow stripe

B. If the existing facility has a consistent but different color coding, match existing.

C. Contractor may use colored tape marking for size 8 and larger phase and neutral conductors, and size 4 and larger ground conductors.

D. Switch legs are to be color coded the same as the un-switched phase, i.e., all wiring from lighting control panels and contactors shall retain the phase color.

2.9 GROUNDING

A. GENERAL: Permanently and securely ground the mechanical and plumbing equipment and piping systems, conduit system, panel boards and all other components of the electrical system installed or connected by the Sub-contractor. Follow NEC and building code requirements.

B. CIRCUIT GROUNDS:

01 Provide a green ground wire sized per the NEC for every circuit.

C. EQUIPMENT ENCLOSURES: Make firm ground to raceway system. For equipment connected with flexible conduit or SealTite shall have the specified ground wire installed inside conduit. Do not install on the outside of the conduit. Where enclosure is painted, remove paint where ground lugs are installed.


Section 26 05 00-10

2.10 SIGNS AND NAMEPLATES

A. Provide all signs/labels as required by local codes and authority having jurisdiction.

B. Provide an engraved nameplate for each panel, switchboard, transformer, disconnect switch, fused switch, and starter stating the name as listed on the drawings (or load serviced), equipment voltage and where its power is derived. Provide short circuit label on all new switchboards and panelboards.

C. Refer to individual equipment specifications for additional labels required.

END OF SECTION

26 24 00 ADDENDUM 1 PANELBOARDS JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 24 00-1

SECTION 26 24 00 PANELBOARDS

PART 1 - GENERAL



B. The General Electrical Requirements as specified in Sections 26 apply to the work specified in this Section.




1.2 RELATED WORK

A. Section 26 00 00 – General Electrical Requirements

B. Section 26 00 10 – Closeout Requirements

C. Section 26 05 00 – Common Work Results for Electrical

1.3 ABBREVIATIONS

A. TVSS Transient Voltage and Surge Suppressor

B. SPD Surge Protection Devices

C. EGF Equipment Ground Fault, 30mA equipment protection circuit breakers.

D. GFI or GFCI Ground Fault Circuit Interruption, 5mA personnel protection.


2.1 DISTRIBUTION PANELS

A. GENERAL: Provide for panels 600 amps and larger or where indicated on the drawings. Construction in accordance with NEMA standards. Circuit breakers shall be listed for use with 75° C wiring. All products shall be manufactured in the United States.

B. CIRCUIT BREAKERS: Circuit breakers shall bolt in or have plug on construction similar to Square D I-Line panels. Circuit breakers shall be equipped with individually insulated, braced and protected connectors. Tripped indication shall be clearly shown by the breaker handle taking a position between ON and OFF. Trip ratings of the circuit breaker shall be as shown on the panelboard schedule. Provide blank inserts/covers for all spaces. Minimum 18,000 amperes interrupting capacity for circuit breakers 100A and larger.

C. NAMEPLATES


Section 26 24 00-2

01 Field Nameplate: Provide lamacoid nameplate with 5/16" letters on front face showing panel name and amperage rating. Attach with mastic and two screws. Coordinate to give same name as shown on panelboard schedule. If used as main service panel provide short circuit available and rating information.

Panel DPA 800A MLO

120/240V, 1, 3WFed from Service Disconnect

02 Circuit Nameplate: For each circuit provide a lamacoid nameplate indicating load served and circuit breaker size. For spaces indicate maximum size circuit breaker that can be installed. Examples:

Panel HA 225A/3P

SPARE 400A/3P

400A/3P Space

03 Identification of ungrounded conductors: Provide permanent label indicating the color coding of phase conductors based on voltage as noted in 260500 COMMON WORK RESULTS FOR ELECTRICAL.

D. ACCEPTABLE MANUFACTURERS: ABB (formerly General Electric) matching existing panels.

2.2 LIGHTING PANELS

A. GENERAL: Provide for panels 400 amps and smaller. Circuit breaker type; Square D Type NQOD for 120/208-240 Volts. Circuit breakers shall be listed for use with 75° C wiring. All products shall be manufactured in the United States.

B. CIRCUIT BREAKERS: Plug in for 120/208-240 Volts; quick make, quick break, trip free, thermal magnetic trip; automatic tripping indicated by handle at midpoint position; multi-pole breakers to have common trip (handle ties are not acceptable). Minimum interrupting ratings shall be 10,000 Amps symmetrical at 120/208-240 Volts or as scheduled on drawings. Install circuit breakers in same order as shown on the drawings. Where spaces are noted, provide blank inserts/covers.

C. DIRECTORY: Complete at end of job, typewritten, stating equipment or rooms served by circuit. Type even circuits on right side of card, odd on left side. Provide laminated directory for exterior or wet locations.

D. NAMEPLATES

01 Identification of ungrounded conductors: Provide permanent label indicating the color coding of phase conductors based on voltage as noted in 260500 COMMON WORK RESULTS FOR ELECTRICAL.

E. ACCEPTABLE MANUFACTURERS: ABB (formerly General Electric) and Square D matching existing panels.

2.3 SPECIAL EQUIPMENT LABELING AND DEVICES

A. FIRE ALARM SYSTEM:

01 Provide red circuit lockout device on all circuit breakers serving fire alarm equipment and devices. Coordinate with fire alarm contractor for any circuits added per their design for power supplies, amplifiers, etc.


Section 26 24 00-3

02 Provide typewritten label with white letters on a contrasting red background reading “FA” permanently attached to the panel dead front adjacent to each breaker.

03 Provide typewritten label with white letters on a contrasting red background permanently attached to the outside of the panel cover reading ‘FIRE ALARM CIRCUIT INSIDE” or similar.

04 Space Age Electronics ELOCK-FA E-Series Lockout Kit or equal. Confirm kit is compatible with provided switchgear prior to ordering.

B. INSTALLATION: Install lockout devices and labels at the end of the job, prior to substantial completion. Labels shall be installed on the opposite side from the switchgear manufacturer’s circuit number labels and square to the housing.

END OF SECTION

26 27 26 ADDENDUM 1 WIRING DEVICES JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 27 26-1

SECTION 26 27 26 WIRING DEVICES

PART 1 - GENERAL







1.2 RELATED WORK





2.1 WIRING DEVICES

A. GENERAL: All devices must be suitable for use intended, and have voltage and current ratings adequate for loads served. All devices shall have terminals designed for use with stranded wire. All receptacles shall have a grounded pole and green painted grounding screw. Grounded receptacles shall ground lug internally connected to mounting tabs. Wall outlets shall be installed with the ground pin down. Devices installed in or served through fire rated structures shall be fireproofed in a manner compatible with the U. L. fire rating.

B. ACCEPTABLE MANUFACTURERS: Catalog numbers listed below are Hubbell or Legrand (Pass & Seymour), unless indicated otherwise. Equivalent items made by Arrow-Hart, Bryant, Hubbell, Legrand, Leviton, and Lutron will be acceptable provided they meet specification requirements. Each type of wiring device and associated wall plate shall be from a single manufacturer.

C. DEVICE COLORS:

01 Typical devices shall be ivory color unless noted otherwise.

D. WIRING TYPES:

01 Side wire or plug tail devices.

02 Backstab devices are NOT acceptable.

E. COORDINATION:


Section 26 27 26-2

01 Receptacles for Owner-Furnished Equipment: Match plug configurations.

02 Cord and Plug Sets: Match equipment requirements.

F. MOTOR RATED SWITCH:

01 (20 amp, 277V) P&S PS20AC1

02 (20 amp, 120/277V, Double Pole) P&S PS20AC2 or Hubbell HBL7832D.

03 (30 Amp, 120/277V, Double Pole) P&S PS30AC2 or Hubbell HBL7832D.

04 (30 Amp, 120/277V, Three Pole) Hubbell HBL7810D.

05 All switches shall have minimum rating of upstream overcurrent protection.

06 Provide integral locking tabs on enclosure. The switch shall be lockable in accordance with NEC (2017) 110.25.

G. MOTOR RATED SWITCH WITH PILOT LIGHT:

01 (20 amp, 277V, Red) P&S PS20AC1-RPL7

02 (20 amp, 120/277V, Double Pole, Red) P&S PS20AC2-RPL

03 (30 Amp, 120/277V, Double Pole, Red) P&S PS30AC2-RPL.

04 All switches shall have minimum rating of upstream overcurrent protection.

05 Provide integral locking tabs on enclosure. The switch shall be lockable in accordance with NEC (2017) 110.25.

H. CONVENIENCE OUTLETS: (20 amp/125v/3 wire) Legrand TR5362. (Heavy-Duty, Tamper-Resistant)

01 All outlets outside must be tamper resistant and weather resistant. Legrand WR20TR_

I. GFI OUTLET: (20 amp/125v/3 wire) (Heavy-Duty, Tamper-Resistant, LED Indicators, Auto Self-Test).

01 Hubbell GFTRST20X or Legrand 2097TR-X

02 GFI outlets at the exterior of the building or damp/wet locations shall be weather-resistant, Hubbell GFTWRST20X or Legrand 2097TRWR-X

03 Provide standard receptacle with remote dead front GFI device in lieu of a GFI receptacle as required to comply with NEC requirements for readily accessible devices.

J. DEAD FRONT GFI: (20 amp, 125v/3 wire), Legrand 2087 or Hubbell GFBFHP20 (LED Indicators, Auto Self-Test)

01 Provide standard receptacle with remote dead front GFI device in lieu of a GFI receptacle as required to comply with NEC requirements for readily accessible devices.

K. SPECIAL DEVICES: Refer to Drawings; all devices shall be specification grade. Provide matching cord and cap.

L. PLATES:

01 Provide combination and/or gangable plates where adjacently located multi-outlet assemblies are indicated on drawings which shall include multi-switch installations.

02 Provide Type 302/304 smooth stainless steel plates for all devices.


Section 26 27 26-3

a. Plates for surface mounted switch or outlet boxes shall be Sierra galvanized steel handy box plates (H series).

b. Mounting screws shall be stainless steel.

c. Standard plate sizes only. Medium or Jumbo plates are not acceptable.

M. OUTDOOR COVERS:

01 Electrical devices noted “WP” shall have weatherproof covers.

02 Devices subject to direct rainfall shall have Hubbell WPxxx Series aluminum cover rated for wet location with cord connected to device.

END OF SECTION

26 28 00 ADDENDUM 1 LOW-VOLTAGE PROTECTIVE DEVICES JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 26 28 00-1

SECTION 26 28 00 LOW-VOLTAGE CIRCUIT PROTECTIVE DEVICES

PART 1 - GENERAL







1.2 RELATED WORK





2.1 FUSED AND SAFETY DISCONNECT SWITCHES

A. GENERAL: Provide a safety disconnect switch for each motor, motor starter, electric duct heater and other equipment required by the NEC. Provide fusible where shown.

Switches shall be listed for use with 75 C wiring. All products shall be manufactured in the United States.

B. TYPE:

01 Heavy duty switch sized for load served; non-fusible where used purely as disconnect device.

02 Switches shall have minimum rating equal to upstream overcurrent protection amperage and voltage or as indicated on the drawings, whichever is greater.

03 Fused switches shall accommodate Class RK1 fuses.

04 Combination starter disconnect switch shall be provided where shown on the drawings.

05 Disconnect switches for motors controlled by variable frequency drives shall have auxiliary “early break” contact to turn off VFD when motor is disconnected.

C. ENCLOSURE:

01 Provide NEMA 1 enclosure for switches inside, and NEMA 3R for switches outside unless otherwise noted to be NEMA 4X stainless steel on the Drawings

26 28 00 ADDENDUM 1 LOW-VOLTAGE PROTECTIVE DEVICES JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 2

Section 26 28 00-2

or specifications.

D. FUSES: Refer to section on fuses.

E. NAMEPLATE: Provide each new and existing device with an engraved nameplate showing load served, voltage, and circuit number.

F. MANUFACTURERS: ABB (formerly General Electric), Siemens, Eaton, and Square D.

2.2 FUSES

A. GENERAL: Provide fuses for all fused switches noted on the Drawings and schedules.

B. TYPE: Fuses to 600 amps shall be low peak, dual element, time delay fuses – LPS Class RK1.

C. SPARES:


D. MANUFACTURERS: Bussman, Littelfuse or approved equal

END OF SECTION

28 31 00 ADDENDUM 1 FIRE DETECTION AND ALARM SYSTEM JOB NO. RGCI 20.007 (MWA NO. 20-14)BISD WEST END ELEMENTARY ROOF AND RTU REPLACEMENT PG 1

Section 28 31 00-1

SECTION 28 31 00 FIRE DETECTION AND ALARM SYSTEM

PART 1 - GENERAL





D. Equipment shall meet applicable requirements include in the NEC, UL, NEMA, NFPA and ANSI Standards and be so labeled.

E. Provide Shop Drawings, Submittals and Closeout Documents per Section 26 00 00.

1.2 RELATED WORK





2.1 GENERAL

A. Design, furnish and install a complete fire alarm system based on a fire alarm panel utilizing addressable architecture with analog intelligent devices as specified herein and shown on the drawings. Equipment shall be manufactured by Fire Lite. Installation shall be in accordance with the manufacturer's recommendations. The system shall conform to the most recent issue of the applicable NFPA Sections, the National Electric Code and applicable local codes for fire detection/alarm requirements. This also includes the State of Texas requirements for school facilities.

01 There is an existing Fire Lite ES-200X fire alarm panel located in the existing administration area.

B. Note that the complete fire alarm system shall be designed by the fire alarm contractor’s licensed designer per all applicable codes. In the event that certain devices are shown on the drawings that may be in excess of the minimum code standards, incorporate these additional requirements into the contractor’s design since the Owner’s requirements are in addition to the minimum code requirements. Devices are shown to indicate the areas of coverage and to provide a means for the electrical contractor to estimate raceway requirements, and to assist in coordinating with architectural constraints. Fire alarm contractor shall produce his own signed, sealed and certified drawings based on his design for submission to the governmental authorities.

C. The following are suggested suppliers of the specified equipment and are provided for


Section 28 31 00-2

reference based on previous experience with these firms.

01 Fire Light CLS Technology

D. The system shall consist of all fire alarm panels, manual pull stations, automatic detectors, visual and audible alarm devices and accessory equipment as described in the specifications and/or indicated on the drawings. All components of the system shall be standard products of the manufacturer, approved by Factory Mutual and Underwriters' Laboratories, Inc. Provide Ditek surge suppression protector on 120 volt power connections, telephone connections and for system circuits that extend between buildings.

E. Where detection and alarm devices are shown on the drawings they indicate areas for detection and alarm coverage and not the exact number and placement of devices. Provide devices in sufficient number and locate to protect and alarm the specified areas in accordance with the NFPA, these specifications and the limitations of the devices provided.

F. Under this Division, engage the services of a fire alarm company who is an authorized distributor for an approved fire alarm system (as indicated below) who shall:

01 Maintain a staff of specialists for engineering assistance, installation and maintenance of the fire alarm system and associated equipment.

02 Stock the required spare parts to keep the fire alarm system in operation.

03 Have proof of experience in the installation and maintenance of the type of fire alarm system specified herein.

G. After installation and prior to the final inspection, the Contractor must certify in a letter to the Owner that the system is working in accordance with the Contract Documents.

H. Provide an adequate period of instruction on the operation of the system to the Owner's designated personnel upon completion of the system installation.

I. Provide the Owner with the following:

01 Two composite wiring diagrams of the system indicating point to point connections, one to be placed in the control panel.

02 Two block diagrams of the system indicating conduit and number and size of wires between all devices, one to be placed in the control panel.

03 One bound copy of the complete instructional/operational maintenance manual including as-built drawings, test reports, calculations, etc. to be placed in the control panel.

04 Floor plan of building noting zoning, pull station and detector locations, acceptable to the Fire Marshall. Provide frame and install where directed by the Fire Marshall.

05 All necessary signage as required by locally adopted codes and authorities having jurisdiction. Provide signage and install where required and/or directed by the Fire Marshall.

J. Contractor shall have a representative at the job site during the final inspection by the Engineer to demonstrate system operation and specification compliance. Representative will be required to "smoke test" a number of randomly selected active devices.

2.2 SYSTEM LAYOUT


Section 28 31 00-3

A. Device layout shown on the Drawings shows areas of coverage and to assist the electrical contractor in estimating junction box requirements during bidding. Fire alarm supplier shall properly design a system based on his equipment and devices that meets ADA, NFPA and Texas Accessibility requirements and these specifications.

B. Integrate factory installed smoke duct detector in each roof top unit (RTU) over 2000 CFM.

C. Refer to Drawings for additional information.

2.3 SYSTEM OPERATION

A. Actuation of any alarm initiating device shall cause the following:

01 An LCD readout on the main control panel shall indicate the device in alarm.

02 Alarm tones shall sound throughout the facility.

03 All horn/flasher alarms shall sound continuously until reset at main panel.

04 De-energize air handling units serving the area in alarm. Also de-energize supply fans, fan powered boxes, VAV boxes, ERV, HVLS fans and other air circulating devices if 2000 CFM or over, serving the area in alarm. Exhaust fans to the exterior and devices less than 2000 CFM are not required to be controlled.

a. De-energize all high volume low speed (HVLS) fans.

05 Release fire doors and smoke dampers.

06 Transmit alarm warning to remote location via existing communication device. Alarm communication shall send individual point information to the central receiving station.

B. The actuation of automatic detection devices shall be visually identified by light on device. The light shall remain illuminated until the initiating device has been restored to normal and the Fire Alarm Panel reset. A remote alarm lamp shall light where indicated on drawings.

2.4 SYSTEM PANEL

A. GENERAL: All equipment shall be manufactured by the same company as the control panel or be a factory authorized compatible device. Devices that may operate but are not factory authorized compatible shall not be used. This includes remote power supplies, horns and strobes. Devices shall be WHITE in color where that option is available. In existing buildings, communication between the fire alarm control panel and remote devices shall use the existing protocol.

B. CONTROL PANEL: There is an existing Fire Lite ES-200X microprocessor based, addressable intelligent system enclosed in a semi-flush style cabinet located in the existing administration area. The control panel shall contain, but not be limited to the following:

01 Control modules as required to provide system monitoring, alarm control, trouble sensing and remote equipment control.

02 City/remote station module to service as interface unit between the fire alarm control panel and an authorized remote monitoring point.

03 Power supply modules as required to supply continuous filtered power of the proper voltage. Module shall indicate a normal power, battery trouble and power


Section 28 31 00-4

supply trouble, all readable on front of the enclosure. System shall also meet additional spare capacity requirements below.

04 Sealed and rechargeable battery supply, sized for 24 hour sensing and 15 minute alarm capability. System shall also meet additional spare capacity requirements below.

05 Remote alarm signal distributing panels with power supplies as needed by final design of the fire alarm contractor. Remote power supplies shall be located in mechanical and electrical rooms. Do not install in storage rooms or finished spaces.

06 All power supplies, amplifiers and battery supplies shall be sized based on the system installed plus 50% additional alarm devices. For example, no more than 4A shall be allocated on a 6A power supply or 50W on a 75W amplifier to provide spare capacity for future growth. Power supply, amplifier and battery calculations must be submitted for engineer review.

2.5 REMOTE EQUIPMENT

A. MANUAL PULL STATIONS: Addressable type, red Lexan, non-coded, dual action type. Provide Stopper II cover with battery powered sounder over all pull stations.

B. AREA SMOKE DETECTORS: White, analog addressable, photoelectric type, non-polarized with 360° smoke entry, LED normal/alarm status light and separable base.

C. DUCT DETECTORS: Analog addressable, photoelectric type with DPST auxiliary relay. Provide LED remote alarm light with engraved stainless steel plate on ceiling near detector where detectors are not located in mechanical rooms.

D. HEAT DETECTORS: White, analog addressable. Heat detectors shall be rate of rise type except in kitchen spaces which shall be 135°F fixed temperature.

E. COMBINATION DETECTORS:

01 Where smoke, heat and/or carbon monoxide detectors are shown together they may be combined into a single device meeting all requirements and functionality were they to be provided separately.

F. HORNS: White, semi-flush, ADA compatible, electronic horn with high visibility, synchronized strobe and field selectable sound level. Set level based on individual application (hall, classroom, restroom, office, etc.) Audible portion shall sound a three beat temporal tone for alarm signaling as required by NFPA. Strobe intensity shall conform to NFPA Chapter 6 requirements and also 75 candela to meet ADA and TAS requirements.

G. STROBE LIGHTS: White, semi-flush, ADA compatible, synchronized strobe with intensity suitable for the individual application (hall, classroom, restroom, office, etc.). Strobe intensity shall conform to NFPA 1993 Chapter 6 requirements and also 75 candela to meet ADA and TAS requirements.

H. RELAYS: Provide and install control relays to perform the specified functions. This includes relays to shut down the various HVAC equipment. Relays shall be mounted near items to be controlled. Coordinate with HVAC controls contractor for relay contact voltage capability (120 volts minimum) and preferred mounting location.

I. WEATHERPROOF: Devices located outside, even if sheltered from rain shall be weatherproof and suitable for outdoor installation.

J. SURGE SUPPRESSOR: Provide surge suppressor mounted in a junction box above the


Section 28 31 00-5

ceiling at the fire alarm panel, remote power supplies, expansion panels, etc. Note unit must be a minimum of three feet from the panel. Fire alarm panel shall monitor the suppressor dry contact so panel will go into failure if the suppressor is inoperable. Provide Ditek surge suppression protector on all 120 volt power connections and for system low voltage circuits (including telephone circuits) that extend to the exterior of the building or between buildings.

01 Ditek DTK-120SRD

02 Ditek 2MHLP Series

03 Ditek MRJ Series

04 Or approved euqals.

K. SPECIAL EQUIPMENT LABELING AND DEVICES

01 Coordinate with electrician to provide red circuit lockout device on all circuit breakers serving fire alarm equipment and devices. Provide additional lockout devices for any circuits added per the fire alarm contractor’s design for power supplies, amplifiers, etc.

02 Provide typewritten label with white letters on a contrasting red background reading “FA” permanently attached to the panel dead front adjacent to each breaker.

03 Provide typewritten label with white letters on a contrasting red background permanently attached to the outside of the panel cover reading ‘FIRE ALARM CIRCUIT INSIDE” or similar.

04 Space Age Electronics ELOCK-FA E-Series Lockout Kit or equal. Confirm kit is compatible with provided switchgear prior to ordering.

PART 3 - EXECUTION

3.1 INSTALLATION

A. WIRING:

01 Fire alarm contractor shall provide and install all wiring for his system. He shall include wiring of control relays and the landing of power and control wiring to these relays to “break” control circuits or power wiring to controls transformers, door release magnets and other devices requiring shutdown. HVAC controls interlock wiring between fire alarm relay and starters, VFD’s or other temperature controls devices shall be provided by the temperature controls contractor.

02 All wiring shall be installed in conduit. In existing areas not in mechanical rooms, use metal, Wiremold surface raceway where exposed. Low smoke wiring may be installed without conduit above accessible ceilings if wiring is supported at structure or walls 48” on center with cable rings or other manufactured devices specifically designed for supporting cable. Do not support from data system cable rings. Provide conduit sleeve with protective end fittings through all walls and floors where raceway system is not installed. All connections shall be in supported junction boxes. All auxiliary control circuits shall be connected to NAC type circuits and be supervised per NFPA.

03 Wiring outside or between buildings shall be suitable for and installed properly for this application, and comply with NEC Article 800. Provide isolation and surge


Section 28 31 00-6

suppression for all aerial and inter-building cables.

04 Wire shall be color coded in accordance with IPCEA Standards. Provide numbered labels on all wires entering annunciators, terminal boxes and the main control panel.

05 The minimum wire sizes to be used when not otherwise directed by Codes are as follows:

a. Detector Circuits #18 AWG

b. Remote Annunciators #18 AWG

c. Remote Alarm Lamps #18 AWG

d. Notification Circuits: #14 AWG (up to 1.1 A) or larger as necessary

e. Speaker Circuits #16 AWG Twisted/Shielded

f. 120 volt or higher #12 AWG

g. All other wiring #18 AWG

06 Limited energy cable for 24 volt low voltage systems shall be Plastic Wire and Cable Company Low Energy Safety Control Wire, 90° C, red, or equal.

a. Provide solid core up to #14 AWG and stranded for #12 AWG and larger.

07 Should 120 volt power be required other than at the main panel, include the cost of additional circuits.

B. RACEWAY SYSTEMS

01 RACEWAY CAPACITY: It shall be the contractor's responsibility to determine the correct sizes of all type of raceway, to be installed, as instructed in the NEC and all applicable Codes.

02 See Section Common Work Results for Electrical for conduit types and installation requirements.

C. CEILING SUPPORTS: All devices installed in lay-in ceilings shall have bracket to support device from ceiling tees.

D. MOUNTING HEIGHTS

01 PULL STATIONS: 46" above finished floor to top

02 HORNS/SPEAKERS/STROBES: 82" or 6" below ceiling (or on ceiling)

E. LABELING: All devices shall be labeled with their system address.

F. REMOTE LED INDICATOR: Any automatic detection device concealed from view, such as a duct detector for an FCU above the ceiling, shall have a remote alarm lamp with engraved steel faceplate on the ceiling or wall visible from an occupied space.

3.2 TESTING

A. REQUIREMENTS: All components and circuits of the fire alarm system shall be tested under operating conditions for proper functions. The testing shall demonstrate that all requirements as herein specified have been successfully accomplished, and that the system is fully operational. Testing shall include, but shall not be limited to, the following:

01 EXISTING SYSTEM: The fire alarm contractor shall perform a complete test of the existing system, noting any alarms or non-functioning devices or equipment


Section 28 31 00-7

and the report shall be provided to the Owner prior to beginning work. Deficiencies shall be corrected utilizing the spare devices as directed by the Owner or the Owner’s agent. Any devices or equipment that becomes non-functioning and is not identified as such on the report shall be corrected at no cost to the Owner. If no system test is performed or report provided prior to beginning work, the contractor shall be responsible for repairing and/or replacing all non-functioning devices prior to acceptance by the Owner.

02 INITIATING DEVICES: Each initiating device shall be activated and proper operation of all visual and audible alarm and auxiliary devices shall be demonstrated.

03 DUCT AND PHOTOELECTRIC DETECTORS: Each detector shall be adjusted with electronic measuring equipment for calibration sensitivity. Each detector shall subsequently be checked for operation.

04 AUDIBLE ALARM DEVICES: Each audible alarm device shall be tested for proper operation and connection to the correct circuit.

B. FIRE MARSHAL REVIEW: System shall be demonstrated to the local Fire Marshall for his review and approval. Make adjustments as required to obtain the approval for certificate of occupancy. Provide minimum 48 hour advance notice of the demonstration to the Owner/Engineer so they may be in attendance.

3.3 SPARE PARTS AND ATTIC STOCK

A. Provide the following spare devices for each site:


B. The fire alarm contractor shall include in their bid the cost to furnish and install the additional spare parts and attic stock and all associated cabling. These devices shall be used to fulfill any changes request issued until the list is depleted. Upon the completion of the project, all remaining material shall be delivered to the project for Owner stock. No devices shall be used without documentation and written authorization from the Owner’s representative. Contractor shall obtain a signed transmittal of additional equipment to the owner at the end of the project. The signed transmittal shall be included in the contractor’s closeout documents.

3.4 CLOSEOUT DOCUMENTATION

A. Upon completion of testing and certification of the system performance and operation as specified the contractor shall submit a complete set of closeout documentation in PDF format.


3.5 WARRANTY

A. Reference 260010 Closeout Requirements.

B. Post-warranty maintenance shall be available on contract or call basis.

3.6 TRAINING


Section 28 31 00-8

A. Provide designated representatives of the Owner with complete technical training in the proper operation of the system, at a time mutually convenient. They shall assist in the preparation of a set of detailed operating instructions for the system.

B. Provide number of hours and quantity of training sessions to Owner’s general and maintenance personnel as required in specification section 260010 Closeout Requirements.

END OF SECTION

NOTES:

x

VIEWTITLE

ViewportScale

EXTEND FIELD SHEET

OR A SEPARATE

MEMBRANE SHEET TO

OVERLAY METAL

CLOSURE

NEW METAL SOFFIT SHALL BE ADDED TO

ALL SOFFITS AROUND THE EXTERIOR.

NOTES:

x

VIEWTITLE

ViewportScale

NOTES:

x

VIEWTITLE

ViewportScale

NOTES:

x

VIEWTITLE

ViewportScale

NOTES:

NOTES:

x

VIEWTITLE

ViewportScale

FIRESTONE INSULATION

SUBSTRATE

INSULATION BY OTHERS

INSULATED METAL CURB

WOOD NAILER

R.T.U.

PLATINUM TPO MEMBRANE

WIDE WELD SPLICE (SEE NOTE #2)

NOTES:1. REFER TO FIRESTONE WEBSITE

FOR MOST CURRENTINFORMATION.

2. REFER TO DETAIL UT-LS-1 OR 2FOR WELD WIDTH.

3. NAILING AND METALCOUNTERFLASHING ARE NOTREQUIRED IF MEMBRANE IS RUNUP AND OVER CURB WALLS PRIORTO INSTALLATION OF R.T.U.

4. METAL COUNTERFLASHING SHALLBE 24 GAUGE PRE-FINISHED STEELOR .032" MIN. ALUMINUM FORMEDWITH HEMMED LOWER EDGEMOUNTED TIGHTLY TO UNDERSIDEOF MECHANICAL UNIT.

5. MAXIMUM 6" (152 mm) LONGFASTENERS.(NOTE: WOOD BLOCKING MAY BESUBSTITUTED FOR INSULATION TOREDUCE FASTENER LENGTHREQUIREMENT).

6. BONDING ADHESIVE REQUIREDBETWEEN MEMBRANE ANDINSULATION FOR FULLY ADHEREDSYSTEMS.

7. WHEN REINFORCEMENT OF TPOMEMBRANE IS EXPOSED, REFERTO UT-LS-14 FOR CUT EDGESEALANT APPLICATION.

8. INSTALL METAL WORK INACCORDANCE WITH CURRENTSMACNA RECOMMENDATIONS.

METAL COUNTERFLASHING BY OTHERS3" (76 mm) MIN. FACE (SEE NOTE #4 & #8)

ULTRAPLY TPO BONDING ADHESIVE (SEE NOTE #6)

GASKETED FASTENER BY OTHERS

@ 12" (305 mm) O.C. MAX.

FIRESTONE FASTENER AND HD ORHD PLUS SEAM PLATE @ 12" (305 mm)O. C. MAX. (SEE NOTES #5)

1-1/4" HOT DIPPED GALVANIZED ROOFNAILS @ 12" (305 mm) O.C. MAX.

ULTRAPLY TPO 18" CURB FLASHING, .060",OR APPROPRIATE PLATINUM MEMBRANE

ULTRAPLY TPO BONDINGADHESIVE (SEE NOTE #6)

VIEWNUMBER

VIEWTITLE

ViewportScale

RECOVERY BOARD

TPO MEMBRANE

TPO MEMBRANE

NOTES:1. REFER TO MANUFACTURERS WEB

SITE FOR MOST CURRENTINFORMATION.

2. REFER TO DETAIL PUT-LS-1 ORPUT-LS-3 FOR WELD WIDTH.

3. T-JOINT COVER REQUIRED FORMEMBRANE WITH A GAUGE GREATERTHAN .045.

4. TPO FLASHING (UNSUPPORTED)(4"x4" MIN. WITH ROUNDEDCORNERS) MAY BE USED IN LIEU OFT-JOINT COVER.

5. WHEN REINFORCEMENT OF TPOMEMBRANE IS EXPOSED, REFER TOUT-LS-14 FOR CUT EDGE SEALANTAPPLICATION.

TPO T-JOINT COVER(SEE NOTE #3 & #4)

WIDE WELD SPLICE ATFIELD SEAM (SEE NOTE #2)

WIDE WELD SPLICE ATHEADLAP (SEE NOTE #2)

VIEWNUMBER

VIEWTITLE

ViewportScale

??

4 3/4" (108 mm) - 5" (127 mm) WIDE WELD

3-1/4" (83 mm) - 3-3/4" (95 mm)

6" (152 mm) LAP

SLOPE

2" (51 mm) WELD

NOTES:1. REFER TO MANUFACTURERS WEB SITE FORMOST CURRENT INFORMATION.

MANUFACTURERSFASTENERAND BATTEN STRIP

WHEN POLYESTER REINFORCEMENT OF TPO

IS EXPOSED, APPLY CUT EDGE TREATMENT TO

ENTIRE EXPOSED EDGE. REFER TO UT-LS-14.

VIEWNUMBER

VIEWTITLE

ViewportScale

??

8" (152 mm) MIN.

USE APPROPRIATE

TERMINATION DETAIL

USE APPROPRIATE

BASE TIE-IN DETAIL

ULTRAPLY TPO JOINT COVERREFLEXEON TPO JOINT COVER

NOTES:1. REFER TO MANUFACTURERS WEBSITE FOR MOST

CURRENT INFORMATION.2. REFER TO DETAIL PUT-LS-1 OR PUT-LS-3 FOR

WELD WIDTH.3. WHEN REINFORCEMENT OF TPO MEMBRANE IS

EXPOSED, REFER TO UT-LS-14 FOR CUT EDGESEALANT APPLICATION.

PRE-MOLDED ULTRAPLY OR REFLEXEONTPO INSIDE/OUTSIDE CORNER WELDED INPLACE (SEE NOTE #3)

TPO MEMBRANE (FIELD SHEET)

VIEWNUMBER

VIEWTITLE

ViewportScale

ULTRAPLY TPO 18" CURB FLASHINGOR MEMBRANE HEAT WELDED TOTPO FIELD SHEET (SEE NOTE #2)

WALL / CURB

WALL / CURB WALL / CURB

6" (152 mm) MAX.6" (152.4 mm) MAX.

TPO MEMBRANE

1/2" (13 mm) MIN. (TYP.)

6" (152 mm) MAX.6" (152 mm) MAX.

TPO MEMBRANE

WALL/CURB ATTACHMENT

1-1/4" (32 mm) TO

1/2" (13 mm) MIN.

1-1/2" (38 mm)

WALL / CURB

DECK ATTACHMENT

NOTES:1. REFER TO MANUFACTURERS WEBSITE FOR MOST

CURRENT INFORMATION.2. MAXIMUM 6" (152 mm) LONG FASTENERS. (NOTE:

WOOD BLOCKING MAY BE SUBSTITUTED FORINSULATION TO REDUCE FASTENER LENGTHREQUIREMENT).

HD OR HD PLUS SEAM PLATEAND MANUFACTURERS

FASTENERAT 12" (305 mm) O.C. MAX.(SEE NOTE #2)

BASE FLASHINGS AND

TERMINATIONS NOT SHOWN

FOR CLARITY. REFER TO

APPROPRIATE TERMINATION

& BASE TIE-IN DETAILS.

VIEWNUMBER

VIEWTITLE

ViewportScale

NOTES:

NOTES:

A3-300

ROOF DETAILS

PROJ. NO.:

DATE:

F:\2

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SEAL

11767 KATY FREEWAY, STE 1212

HOUSTON, TEXAS 77079

ARCHITECTS

AND PLANNING

CONSULTANTS

20-14

AR

CH

IT

EC

TS

BE

LLV

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IS

D W

ES

T E

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REVISIONS

74

53

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IN

DU

ST

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, T

X 7

89

44

ISSUED FOR: ISSUED FOR

BIDDING

ADDENDUM #1 05/22/2020

05/13/2020

03

GUTTER (TP-23S)

3" = 1'-0"

14

METAL PARAPET COPING AND BASE FLASHING

3" = 1'-0"

04

RAISED CURB DETAIL FOR ROOFTOP AIR HANDLING UNITS AND DUCTS (PREFABRICATED METAL CURB)

3" = 1'-0"

11

RAISED CURB DETAIL FOR ROOFTOP AIR HANDLING UNITS (JOB SITE CONSTRUCTED WOOD CURB)

3" = 1'-0"

12

SKYLIGHT

3" = 1'-0"

08

PLUMBING VENT

3" = 1'-0"

01

TERMINATION AT R.T.U. WITH WELDED SPLICE ANDCOUNTERFLASHING (UNIT FLANGE MOUNTED TO SUBSTRATE)

6" = 1'-0"

05

LAP SPLICE WITH HEADLAP OVER FIELD SEAM USING T-JOINT COVER

6" = 1'-0"

02

LAP SPLICE WITH CONTINUOUS WIDE WELD

6" = 1'-0"

09

OUTSIDE CORNER

6" = 1'-0"

10

MEMBRANE SECUREMENT AT OUTSIDE CORNER

6" = 1'-0"

06

EXPANSION JOINT WITH PRE-MANUFACTURED COVER

3" = 1'-0"

07

SHEET METAL ENCLOSURE FOR PIPING THROUGH ROOF DECK

3" = 1'-0"

1

1

1

1

1

1

1

1

1

1

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CONTINUOUS CLEAT

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(FASTENED PER

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TABLE 1)

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GUTTER SPACER

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ALTERNATELY SPACED

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FROM BRACKETS

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SHEET METAL GUTTER

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ROOF

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DECK

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WOOD

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NAILERS

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OPTIONAL:

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FASTENERS AT APPROX. 3"

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[76mm] O.C., DO NOT STAGGER

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FLASHING MEMBRANE

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THERMOPLASTIC ROOF MEMBRANE

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THERMAL INSULATION

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SHEET METAL OR MEMBRANE COATED

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METAL EDGE FLASHING (AS REQUIRED

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BY MANUFACTURER); OPTIONAL:

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DRAINAGE BAR TO RETAIN BALLAST

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SEALANT (IF REQUIRED BY THE

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SPECIFIC SYSTEM)

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OPTIONAL:

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TURN-DOWN

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EXTEND FIELD SHEET OR A SEPARATE MEMBRANE SHEET TO OVERLAY METAL CLOSURE

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GUTTER BRACKET SUPPORT AT 12" [304.8MM] TO 36" [914.4MM] O.C.

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1. GUTTER BRACKETS ARE RECOMMENDED TO BE AT LEAST GUTTER BRACKETS ARE RECOMMENDED TO BE AT LEAST ONE GAUGE HEAVIER THAN GUTTER STOCK. 2. ATTACH WOOD NAILER TO WALL/DECK WITH SUITABLE ATTACH WOOD NAILER TO WALL/DECK WITH SUITABLE FASTENERS. 3. DESIGN GUTTER EXPANSION JOINTS PLACED AT DESIGN GUTTER EXPANSION JOINTS PLACED AT APPROPRIATE INTERVALS COMMENSURATE WITH TYPE OF METAL. 4. SLIP SHEET MAY BE REQUIRED BELOW MEMBRANE WHEN SLIP SHEET MAY BE REQUIRED BELOW MEMBRANE WHEN OVERLAYING SOME INSULATIONS OR SUBSTRATES.

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1/2" RECOVERY BOARD

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1.

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2.

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1" [25mm] MIN.

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BELOW BLOCKING

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THIS DETAIL SHOULD BE USED ONLY WHERE THE DECK IS SUPPORTED BY THE WALL. EXPANSION

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JOINT DETAIL SIMILAR TO DETAIL TS-4 SHOULD BE USED FOR NON-WALL SUPPORTED DECK.

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SEE TABLE 3 FOR ALTERNATE SHEET METAL PARAPET CAP SECUREMENT AND LOCKS, AND SEAMS FOR JOINTS

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IN SHEET METAL.

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SHEET METAL PARAPET CAP

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CONTINUOUS TAPERED WOOD

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SHIM (E.G., BEVELED CEDAR

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SIDING)

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WOOD NAILER

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HIGH-DOMED, CAPPED,

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GASKETED FASTENERS

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(APPROX. 18" [457mm] O.C.

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DEPENDING UPON WIND ZONE

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AND LOCAL CONDITIONS)

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EXTEND MEMBRANE TO BELOW

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NAILER AND SECURE

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SEE SINGLE-PLY TABLE 7 FOR

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PERIMETER SECUREMENT OPTIONS

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THERMAL INSULATION

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ROOF DECK

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FLASHING MEMBRANE

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(ADHERED TO WALL)

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SPECIFIC SYSTEM)

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THERMOPLASTIC

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ROOF MEMBRANE

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TOP LAYER OF INSULATION CAN BE EITHER THERMAL INSULATION OR COVERBOARD INSULATION.

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3.

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SLIP SHEET MAY BE REQUIRED BELOW MEMBRANE WHEN OVERLAYING SOME INSULATIONS OR SUBSTRATES.

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4.

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FASTENERS APPROX. 6"

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[152mm] O.C.

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RECOVERY BOARD

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NOMINAL FLASHING HEIGHT

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10" [254mm]

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SHEET METAL FLASHING

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RECEIVER

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REMOVABLE SHEET METAL

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COUNTERFLASHING

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THERMAL INSULATION

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ROOF DECK

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ALTERNATE CURB BEARING

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LOCATION FOR HEAVY WEIGHT

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UNIT MOUNTING CURB

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SEALING MATERIAL

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WOOD NAILER

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THE CURBS, TOP WOOD NAILER, AND SEAL STRIP ARE TO BE SUPPLIED BY THE CURB MANUFACTURER.

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ATTACH NAILER TO DECK WITH SUITABLE FASTENERS.

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WHEN POSSIBLE, THE MECHANICAL UNITS SHOULD NOT BE SET UNTIL THE ROOF MEMBRANE AND

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FLASHING HAVE BEEN INSTALLED.

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1.

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2.

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3.

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FLASHING MEMBRANE

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(ADHERED TO CURB)

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SEE SINGLE-PLY TABLE 7

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FOR PERIMETER SECUREMENT

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OPTIONS

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SEALANT (IF REQUIRED BY

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THE SPECIFIC SYSTEM)

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THERMOPLASTIC

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ROOF MEMBRANE

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LOADING CONDITIONS

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4.

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5.

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HIGH-DOMED, CAPPED, GASKETED FASTENERS (APPROX. 18" [457mm] O.C., DEPENDING UPON WIND ZONE AND LOCAL CONDITIONS; MINIMUM TWO FASTENERS PER SIDE)

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RECOVERY BOARD

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10" [254mm]

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WOOD CURB

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SHEET METAL

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FLASHING RECEIVER

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HIGH-DOMED, CAPPED,

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GASKETED FASTENERS

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(APPROX. 18" [457mm]

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O.C., DEPENDING UPON

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WIND ZONE AND LOCAL

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CONDITIONS; MINIMUM

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TWO FASTENERS PER

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SIDE)

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COUNTERFLASHING

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THERMAL INSULATION

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ROOF DECK

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WOOD NAILERS

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1.

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2.

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FLASHING MEMBRANE

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(ADHERED TO CURB)

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FOR PERIMETER SECUREMENT

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OPTIONS

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THERMOPLASTIC

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ROOF MEMBRANE

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3.

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WHEN POSSIBLE, THE MECHANICAL UNITS SHOULD NOT BE SET UNTIL THE ROOF MEMBRANE AND

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4.

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FLASHING HAVE BEEN INSTALLED.

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SEALING MATERIAL

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RECOVERY BOARD

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1.

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DOUBLE DOME SKYLIGHT

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SKYLIGHT FRAME

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WITH WEEP HOLES

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HIGH-DOMED, CAPPED,

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GASKETED FASTENERS

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DEPENDING UPON WIND

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ZONE AND LOCAL CONDITIONS;

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MINIMUM TWO FASTENERS

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PER SIDE)

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COUNTERFLASHING

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THERMAL INSULATION

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ROOF DECK

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WOOD NAILERS AND CURB

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(BY OTHERS)

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10" [254mm] NOMINAL

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FLASHING HEIGHT

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RECOVERY BOARD

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2.

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FLASHING MEMBRANE

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(ADHERED TO CURB)

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SPECIFIC SYSTEM)

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3.

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THERMOPLASTIC

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ROOF MEMBRANE

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THERMAL INSULATION

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ROOF DECK

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SEALANT

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DRAWBAND

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INSTALL SEALANT

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BETWEEN PIPE AND

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PREFABRICATED

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MEMBRANE FLASHING

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PREFABRICATED

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MEMBRANE FLASHING

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THERMOPLASTIC

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ROOF MEMBRANE

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PLUMBING VENT

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STACK

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FROM WALLS, CURBS, AND OTHER PROJECTIONS TO FACILITATE PROPER FLASHING. (SEE TABLE 4.)

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VENT STACKS AND OTHER PIPES SHOULD HAVE A MINIMUM OF 12 INCHES OF CLEARANCE ON ALL SIDES

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1.

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2.

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SEALANT

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(IF REQUIRED BY THE

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SPECIFIC SYSTEM)

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3.

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RECOVERY BOARD

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FLASHING REQUIREMENTS TYPICAL FOR BOTH SIDES OF THE EXPANSION JOINT.

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3.

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2.

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THERMAL INSULATION

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ROOF DECK

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TO THE OUTSIDE

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WOOD CURBS TO DRAIN

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BEVEL TOP OF BOTH

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INSULATION

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COMPRESSIBLE

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TO TOP OF CURB)

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RETAINER (ATTACHED

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SERVE AS INSULATION

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FLEXIBLE VAPOR

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RETARDER TO

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HIGH-DOMED, CAPPED,

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[203mm] O.C.

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FASTENERS APPROX. 8"

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GASKETED FASTENERS

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MEMBRANE CLOSURE

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FLEXIBLE WATERPROOF

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EXPANSION JOINT COVER

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PRE-MANUFACTURED

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(APPROX. 18" [457mm]

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O.C., DEPENDING UPON

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WIND ZONE AND LOCAL

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CONDITIONS)

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10" [254mm]

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WOOD NAILERS

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FLASHING MEMBRANE

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4.

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(ADHERED TO CURB)

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FOR PERIMETER

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SECUREMENT OPTIONS

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THERMOPLASTIC

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ROOF MEMBRANE

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5.

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1.

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THIS DETAIL ALLOWS FOR BUILDING MOVEMENT IN BOTH DIRECTIONS.

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RECOVERY BOARD

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THIS DETAIL ILLUSTRATES ANOTHER METHOD OF ELIMINATING PITCH POCKETS AND AN OPTIONAL

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METHOD OF GROUPING PIPING THAT MUST PENETRATE THE ROOF.

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MANY MANUFACTURERS OFFER PREFABRICATED BOOTS AND OTHER MATERIALS FOR THIS PURPOSE.

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1.

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2.

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3.

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SPECIFICS ON THESE PROPRIETARY DESIGNS VARY GREATLY, AND INDIVIDUAL MANUFACTURERS'

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SPECIFICATIONS SHOULD BE CONSULTED FOR THEIR USE.

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SHEET METAL ENCLOSURE

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-CROSSBREAK OR SLOPE

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FOR DRAINAGE

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INSULATE VOID TO PREVENT

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CONDENSATION

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SHEET METAL OR FLEX-TUBE

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COLLAR

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SLOPE PIPES DOWN AND

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MINIMUM 4" [102mm]

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CLEARANCE FROM PIPE TO

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TOP OF CURB; MIN. 2" [51mm]

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BETWEEN PIPES

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HIGH-DOMED, CAPPED,

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GASKETED FASTENERS

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DEPENDING UPON WIND ZONE

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AND LOCAL CONDITIONS;

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MINIMUM TWO FASTENERS

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PER SIDE)

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COUNTERFLASHING

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SHEET METAL FLASHING RECEIVER

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10" [254mm] NOMINAL

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FLASHING HEIGHT

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THERMOPLASTIC

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ROOF MEMBRANE

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THERMAL INSULATION

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ROOF DECK

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FLASHING MEMBRANE

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(ADHERED TO CURB)

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SPECIFIC SYSTEM)

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4.

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SEALANT

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5.

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AWAY FROM HOOD

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RECOVERY BOARD

GENERAL ROOF NOTES

CONDUIT LEGEND

CONDUIT/WIRING NOTES

DRAWING NOTES

FACP

PROJ. NO.:DATE:

11767 KATY FREEWAY, STE 1212HOUSTON, TEXAS 77079

ARCHITECTSAND PLANNINGCONSULTANTS

20-14

MO

LIN

A W

ALK

ER

ALM

AG

UE

R

BELL

VILL

E IS

D W

EST

END

ES R

OOF

& RT

U RE

PLAC

EMEN

T

7453

ERN

ST P

ARKW

AYIN

DUST

RY, T

X 78

944

BELL

VILL

E IS

D

05/22/2020

38582GEORGE L. STANTON

AL ENGINEE

R

NOISSEFORP

OETATS

F TEXAS

ERIG S EET R

D

05.22.2020

SEAL

ISSUED FOR: ISSUED FORBIDDING

REVISIONSADDENDUM #1MAY 22, 2020

E3-200ELECTRICALROOF PLAN

WEST END ELEMENTARY ROOF PLAN1HRO TN

ADDENDUM 1

DIST. PANEL DPAEXTERIOR - NEMA 3R

GE SCP PLUS DIST PANELEXIST TO REMAIN

PANEL A

GE A SERIES PANELEXIST TO REMAIN CUST RM IN STUDENT RR

PANEL LB

SQUARE D NQOD PANELEXIST TO REMAIN MDF IN COMPUTER CLASSROOM

PANEL K

GE A SERIES PANELEXIST TO REMAIN KITCHEN

1 PARTIAL EXISTING ELECTRICAL ONE-LINE DIAGRAM

240Δ ELECTRICAL NOTES:1. PROVIDE HIGH-LEG MARKINGS PER NEC. ALL CONDUCTORS AND BUSS BARS

CONNECTED TO PHASE B, THE "HIGH LEG", SHALL SHALL BE DURABLY ANDPERMANENTLY MARKED WITH WITH AN OUTER FINISH THAT IS ORANGE IN COLOR.

2. PROVIDE NAMEPLATE ON ALL SWITCHGEAR (PANELBOARDS, TRANSFORMERS,DISCONNECTS, ETC.) READING:

THIS PANEL HAS A 240Δ SYSTEM.CAUTION, B PHASE HAS 208V TO GROUND.

REPLACE PANEL WITH TRANSFORMER, DISCONNECT, ETC. AS APPROPRIATE.

ALL FEEDERS AND BRANCH CIRCUITSSHALL HAVE GREEN GROUND WIRESIZED PER NATIONAL ELECTRICAL CODE

SEE SHORT CIRCUIT EQUIPMENT AICRATINGS ON PANEL SCHEDULES.

ELECTRICAL LOAD ANALYSIS3 PHASE 200A WIREWAY

PROJ. NO.:DATE:



20-14

MO

LIN

A W

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D W

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ES R

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& RT

U RE

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7453

ERN

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ARKW

AYIN

DUST

RY, T

X 78

944

BELL

VILL

E IS

D

05/22/2020


AL ENGINEE

R

NOISSEFORP

OETATS

F TEXAS

ERIG S EET R

D

05.22.2020

SEAL



E3-300ONE-LINE &

PANEL SCHEDULES

ADDENDUM 1

GENERAL ELECTRICAL NOTES

RENOVATION AND REMODELING NOTES

ELECTRICAL RENOVATION REQUIREMENTS

ELECTRICAL LEGEND/SYMBOLS

1FIREWALL PENETRATION DETAIL

GROUNDING BUSHING WIRING DETAIL2

CONDUIT ROOF PENETRATION DETAIL3

ROOF AND CANOPY CONDUIT SUPPORT DETAIL4

TYPICAL DISCONNECT, STARTER, & CONTACTOR LABELING DETAIL5

FIRE ALARM SYSTEM NOTES

FIRE ALARM WORK DETAILS

SPARES

FIRE ALARM SYSTEM DESCRIPTIONAND SEQUENCE OF OPERATION

FIRE ALARM

FACP

SECURITY

PROJ. NO.:DATE:



20-14

MO

LIN

A W

ALK

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05.22.2020

SEAL



E3-301ELECTRICAL

NOTES & DETAILS

ADDENDUM 1

ROOF VENT DETAIL

3

GAS PIPING ROOF SUPPORT DETAIL

2

PLUMB. PIPING MATERIALS

PLUMBING SYMBOL LEGEND

GENERAL PLUMBING NOTES

DEMOLITION NOTES

PLUMBING ROOF PLAN

1

PROJ. NO.:

DATE:

11767 KATY FREEWAY, STE 1212

HOUSTON, TEXAS 77079

ARCHITECTS

AND PLANNING

CONSULTANTS

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05/22/2020

106052

TYLER W. HERRING

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05.22.2020

SEAL

ISSUED FOR: ISSUED FOR

BIDDING

REVISIONS

ADDENDUM #1

MAY 22, 2020

HRO TN

P3-200

PLUMBING ROOF PLAN

AND DETAILS

ADDENDUM 1