addendum no 1 - cecil county ii addendum no 1... · addendum no. 1 june 10, ... any provision in...

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CECIL COUNTY, MARYLAND BID NO. 09-25-53018

CENTRAL LANDFILL

PHASE II LANDFILL GAS COLLECTION AND CONYEYANCE SYSTEM

Cecil County Government Purchasing Department

218 North Street Elkton, MD 21921

ADDENDUM No. 1

June 10, 2009 1. Addendum No. 1 dated June 10, 2008, is issued as part of the Contract Document, to

inform and/or specify changes, which take precedence over information contained in the original Contract Documents. Unless otherwise specifically noted or specified hereinafter, or shown on drawings or schedules accompanying this Addendum, all work required by this Addendum shall conform to the applicable provisions of the Contract Documents. It shall be the responsibility of the Bidder to include in his bid any cost implications of this Addendum. All bidders are to indicate on the form of proposal submitted by them, acknowledgement of receipt and compliance with the contents of this Addendum No. 1.

2. Any provision in any of the Contract Documents, which may be in conflict or be inconsistent

with the contents of this Addendum, shall be void to the extent of such conflict or inconsistency.

3. The Scope of Work (Division 02000 and 06000) is hereby revised to include relocation of a

portion of existing 24-inch header pipe as shown on the enclosed drawing. The enclosed drawing replaces Drawing CCDPW-008E001 (Sheet 1 of 2) of the original bid documents.

4. The enclosed Division 01000 – General Requirements replaces the corresponding portion of

the original Bid Documents in its entirety.

5. The enclosed Bid Form replaces the one included within the original Bid Documents.

DIVISION 01000

GENERAL REQUIREMENTS

Blazosky Associates, Inc. 01000-1 June 2009

X:\CCDPW 08008\Bid Docs\Addendum 1\Specifications.docx

1.1 CONSTRUCTION DOCUMENTS

The construction documents include all applicable drawings and specifications within these Contract Documents. The intent of these documents is to have the CONTRACTOR include in his price all items to completely finish the work. Any aspects of the Work which are not clearly defined by these specifications shall be governed by the rules of the best prevailing practice in the area of the Work for that class of Work as determined by the ENGINEER. 1.2 WELL LOCATIONS AND PIPELINE ALIGNMENT

1.2.1 The approximate locations of the required vertical LFG extraction wells, horizontal LFG extraction trenches, lateral pipes, and associated appurtenances are indicated on the Drawings. The exact locations of the vertical extraction LFG wells location and alignment of the horizontal LFG extraction trenches and lateral pipes will be staked or otherwise marked in the field by the CONTRACTOR’S surveyor. All surveys including “as-built” surveys shall be performed by a professional land surveyor licensed in the State of Maryland at the expense of the CONTRACTOR. Any discrepancies between the staked locations and the locations or alignments indicated on the drawings are to be brought to the attention of the OWNER AND/OR CONSTRUCTION MANAGER prior to proceeding with construction.

1.2.2 Pipeline alignment may be offset from the designated location by the CONTRACTOR to avoid surface or subsurface obstructions or impractical working conditions, provided, however, that approval is first obtained from the OWNER AND CONSTRUCTION MANAGER.

1.3 REFERENCES

Bid Form 1.4 MEASUREMENT AND PAYMENT

A. STANDARD PAY ITEMS

1. Pay Item 1100 - Bonds: This item is priced at a lump sum and is to cover the CONTRACTOR’S expense of

completely bonding the Work as described within the Contract Documents. 2. Pay Item 1200 – Mobilization/Demobilization:

Priced at a lump sum and is to cover the cost to mobilize and demobilize to/from the site all support equipment(s) and construction crew(s) to completely accomplish the Work as described within the Contract Documents. 3. Pay Item 2100 – Excavation & Backfill of HDPE Piping Trenches (For

Lateral Pipes): Excavation & Backfill of HDPE Piping Trenches is priced per lineal foot for the

associated trench depths/widths and includes benching (if necessary), trenching, loading and hauling of all excavated refuse to an area designated by the OWNER AND/OR CONSTRUCTION MANAGER during landfill operating hours, supply, installation and compaction of pipe bedding material above and below piping, supply



and install pipeline warning tape, backfilling of trench as detailed in the Contract Documents. The CONTRACTOR shall provide the soil backfill materials from an on-site borrow area designated by the OWNER AND/OR CONSTRUCTION MANAGER. Any cost, which may be incurred to prepare backfill soils to meet or exceed existing conditions, will be the responsibility of the CONTRACTOR. The CONTRACTOR will provide the pipe bedding material. The CONTRACTOR shall haul all materials to the working area unless otherwise specified.

The specific requirements for bedding material and soil backfill material are outlined in Division 06000 LANDFILL GAS EXTRACTION SYSTEM, PART 2- MATERIALS.

Backfilling of the trench under this item shall be as described in Division 06000 LANDFILL GAS EXTRACTION SYSTEM, PART 3 – EXECUTION.

Lateral piping is paid in accordance with Pay Item 2160-A – 4” SDR-11 Solid HDPE Piping for Extraction Well Laterals. 4. Pay Item 2110 – Excavation & Backfill of HDPE Piping Trenches (For

Header Pipes): Excavation & Backfill of HDPE Piping Trenches is priced per lineal foot for the

associated trench depths/widths and includes benching (if necessary), trenching, loading and hauling of all excavated refuse to an area designated by the OWNER AND/OR CONSTRUCTION MANAGER during landfill operating hours, supply, installation and compaction of pipe bedding material above and below piping, supply and install pipeline warning tape, backfilling of trench as detailed in the Contract Documents. The CONTRACTOR shall provide the soil backfill materials from an on-site borrow area designated by the OWNER AND/OR CONSTRUCTION MANAGER. Any cost, which may be incurred to prepare backfill soils to meet or exceed existing conditions, will be the responsibility of the CONTRACTOR. The CONTRACTOR will provide the pipe bedding material. The CONTRACTOR shall haul all materials to the working face area unless otherwise specified.

This pay item also includes the cost to uncover and move the existing 24” header

pipe.

The specific requirements for bedding material and soil backfill material are outlined in Division 06000 LANDFILL GAS EXTRACTION SYSTEM, PART 2- MATERIALS.

Backfilling of the trench under this item shall be as described in Division 06000 LANDFILL GAS EXTRACTION SYSTEM, PART 3 – EXECUTION.

5. Pay Item 2160-A – 4” SDR-11 Solid HDPE Piping for Extraction Well

Laterals: 4” SDR-11 Solid HDPE Piping for extraction well laterals is priced per lineal foot

and includes, supply, fusing and installation of 4” SDR-11 Solid HDPE piping for extraction well laterals.



Supply and installation of pipe fittings (reducer, elbow, valve, etc.) are paid in

accordance with Pay Items 2200-A and B; 2300-A and B; 2310-A, B and C; 2400, and 2500-A, B and C.

Excavation & Backfilling of the trench involved with 4” SDR-11 Solid HDPE Piping for extraction well laterals is paid in accordance with Pay Item 2100 – Excavation & Backfilling of HDPE Piping Trenches. 6. Pay Item 2160-B – 6” SDR-11 Solid HDPE Piping for Horizontal LFG

Extraction Trenches: 6” SDR-11 Solid HDPE Piping for horizontal LFG extraction trenches is priced per

lineal foot and includes supply, fusing and installation of 6” SDR-11 Solid HDPE piping for Horizontal LFG Extraction Trenches.

Supply and installation of pipe fittings (reducer, elbow, valve, etc.) are paid in accordance with Pay Items 2200-A and B; 2300-A and B; 2310-A, B and C; 2400, and 2500-A, B and C.

Excavation & Backfilling of the trench involved with 6” SDR-11 Solid HDPE Piping for horizontal LFG extraction trenches is paid in accordance with Pay Item 4000 – Excavation & Backfilling of Horizontal Gas Extraction Trenches. 7. Pay Item 2160-C – 6” SDR-11 Perforated HDPE Piping for Horizontal

LFG Extraction Trenches: 6” SDR-11 Perforated HDPE Piping for horizontal LFG extraction trenches is

priced per lineal foot and includes supply, fusing and installation of 6” SDR-11 Perforated HDPE piping for Horizontal LFG Extraction Trenches.

Supply and installation of pipe fittings (reducer, elbow, valve, etc.) are paid in accordance with Pay Items 2200-A and B; 2300-A and B; 2310-A, B and C; 2400, and 2500-A, B and C.

Excavation & Backfilling of the trench involved with 6” SDR-11 Perforated HDPE Piping for horizontal LFG extraction trenches is paid in accordance with Pay Item 4000 – Excavation & Backfilling of Horizontal Gas Extraction Trenches. 8. Pay Item 2200-A – 8” X 4” HDPE Reducer:

Unit price includes material and labor for complete installation of for 8” X 4” HDPE Reducer. 9. Pay Item 2200-B – 8” HDPE Elbow:

Unit price includes material and labor for complete installation of for 8” HDPE Elbow. 10. Pay Item 2300-A & B – Butterfly Valves (Without Valve Box):

Unit price for butterfly valves includes all materials and labor for complete installation of the valve assembly including two flange adapters, two back-up rings,



two valve spacers, four gaskets, one valve, galvanized fasteners (sprayed with a gel coat and lubricated with Neverseeze or approved equivalent). 11. Pay Item 2310 (A thru C) – HDPE Saddle Branch Installation:

Unit price for 4-inch and 6-inch diameter saddle branch installations includes material and labor for complete installation of that fitting. 12. Pay Item 2400 – Sample Ports:

Unit price for sample ports includes all materials and labor for complete installation of the sample ports including ports. 13. Pay Item 2500 (A thru D) - Blind Flanges & Flanges:

Unit price for blind flanges includes all materials and labor for the complete installation of the blind flange assembly including one flange adapter, one back-up ring, one gasket, one blind flange, and galvanized steel nuts, bolts, and washers sprayed with a gel coat and lubricated with Neverseeze or approved equivalent. 14. Pay Item 2600 – 24” x 24” x 24” SDR-11 HDPE Wye:

Unit price for 24” x 24” x 24” SDR-11 HDPE Wye includes all materials and labor for the complete fabrication and installation of the wye including cutting and fusing of existing pipe and additional 24” pipe needed to install the wye.

The 24” Electrofusion Coupling’s needed to complete the installation of the wye is paid in accordance with Pay Item 2700. 15. Pay Item 2700 – 24” Electrofusion Coupling:

Unit price for three 24” Electrofusion coupling necessary for installing the 24” x 24” x 24” Wye includes materials and labor for complete installation of that fitting. Use of additional Electrofusion couplings not specified within the bid documents shall require prior approval from the OWNER AND/OR CONSTRUCTION MANAGER. Electrofusion couplings used without owner’s approval will be at no cost to the OWNER.

16. Pay Item 3000 (A thru F) – Vertical LFG Extraction Well Drilling and

Completion: The vertical LFG extraction well drilling and completion is priced per well and

includes all labor and materials (i.e. well pipe, well stone, bentonite, backfill, etc.) needed to completely drill and install the landfill gas extraction well with stick-up as shown on the Contract Drawings. Well control valve, connection of the well to the header pipe and other appurtenances are addressed as separate pay items. The CONTRACTOR shall provide the soil backfill materials from an on-site borrow area designated by the OWNER AND/OR CONSTRUCTION MANAGER. Any cost, which may be incurred to prepare backfill soils to meet or exceed existing conditions, will be the responsibility of the CONTRACTOR. The CONTRACTOR shall haul all materials to the working area unless otherwise specified. 17. Pay Item 4000 – Excavation & Backfill of Horizontal LFG Extraction

Trenches:



Excavation & Backfill of Horizontal LFG Extraction Trenches is priced per lineal foot for the associated trench depths/widths and includes benching (if necessary), trenching, loading and hauling of all excavated refuse to an area designated by the OWNER AND/OR CONSTRUCTION MANAGER during landfill operating hours, supply, loading and hauling of trench stone material, supply and install of sheet plastic, backfilling of trench as detailed in the Contract Documents. The CONTRACTOR shall provide the soil backfill materials from an on-site borrow area designated by the OWNER AND/OR CONSTRUCTION MANAGER. Any cost, which may be incurred to prepare backfill soils to meet or exceed existing conditions, will be the responsibility of the CONTRACTOR. The CONTRACTOR shall haul all materials to the working area unless otherwise specified.

Horizontal gas extraction pipe, control valve and other appurtenances are addressed as separate pay items. 18. Pay Item 5000 - Erosion Control:

This item is priced as per acre. CONTRACTOR is responsible for the seeding, fertilizing, and mulching of any disturbed areas to meet or exceed 95% grass cover. This task shall consist of the minimum requirements: seeding, mulching and fertilizer to provide a dense vegetative growth. Slopes 5H:1V and steeper shall be covered with erosion control matting. CONTRACTOR must also verify proper erosion control measures are in place during construction and to optimize reseeding efforts. CONTRACTOR shall conduct work in strict accordance to the approved Intermediate E&S Plans for the Central Landfill. 19. Pay Item 6000 – Record Drawing and Surveying

This item is priced as lump sum. As required within the project specifications, CONTRACTOR will complete all as-built surveys of the proposed project. To complete the project, contractor will complete project certified as-built documentation, which includes the Record Drawings. Information must completely illustrate the entire system including, but not limited to: extraction wells and piping systems. Documentation must be submitted and accepted by ENGINEER AND CONSTRUCTION MANAGER prior to finalization by the OWNER. Project retainage will be released once as-built documentation is finalized.

B. CONTINGENT PAY ITEMS The following pay items are for contingent work that may be performed, if needed, at the discretion of OWNER AND/OR CONSTRUCTION MANAGER based on changes in field conditions or to facilitate construction but are not part of the base construction contract.

1. Pay Item 7000 – Demobilization/Re-mobilization:

In the event that the CONTRACTOR is forced to demobilize from the site due to delay(s) caused by the OWNER or unforeseen conditions, this sum is to cover additional mobilization charge(s). Costs shall be based on complete demobilization and remobilization of all support equipment(s) and construction crew(s) to finish the work.



2. Pay Item 7100 (A thru C) - Electrofusion Coupling:

Unit price for Electrofusion coupling includes materials and labor for complete installation of that fitting. Use of additional Electrofusion couplings not specified within the bid documents (Pay Item 2700) shall require prior approval from the OWNER AND/OR CONSTRUCTION MANAGER. Electrofusion couplings used without owner’s approval will be at no cost to the OWNER.

3. Pay Item 7200 – Vertical LFG Extraction Well Drilling:

The vertical LFG extraction well drilling is priced per linear foot and includes all labor and materials needed to completely drill a vertical LFG extraction well as approved by the OWNER AND/OR ENGINEER.

4. Pay Item 7300 – Vertical LFG Extraction Well Completion:

The vertical LFG extraction well completion is priced per linear foot and includes all labor and materials (i.e. well pipe, well stone, bentonite, backfill, etc.) needed to completely install a pre-drilled LFG extraction well with stick-up as approved by the OWNER AND/OR ENGINEER.

5. Pay Item 7400 – 24” SDR-11 Solid HDPE Piping for Header:

24” SDR-11 Solid HDPE Piping for header is priced per lineal foot and includes supply, fusing and installation of 24” SDR-11 Solid HDPE piping.

Excavation & Backfilling of the trench involved with 24” SDR-11 Solid HDPE

Piping for header is paid in accordance with Pay Item 2110 – Excavation & Backfill of HDPE Piping Trenches (For Header Pipes).

1.5 PIPES, CABLES, AND UNDERGROUND STRUCTURES It shall be the CONTRACTOR’s responsibility to ascertain the location of all pipes, cables and

underground structures in the area of the contractor’s operation, and to employ the necessary precautions to avoid them during trenching, digging, and drilling. If it is established that the location of a trench, excavation, or wellbore is such as to cause interference with an underground facility or structure, the CONTRACTOR shall so advise the OWNER AND/OR CONSTRUCTION MANAGER. At his discretion, the OWNER AND/OR CONSTRUCTION MANAGER may designate a new location or authorize omission. 1.6 PROTECTION OF WORK, PERSONS AND PROPERTY The CONTRACTOR shall provide and maintain any barricades, lights or other safety devices necessitated by hazardous conditions, required by local authority, or deemed necessary by the OWNER AND/OR CONSTRUCTION MANAGER representative. 1.7 PERMITS All permits and licenses, relative to CONTRACTOR’s equipment and work shall be obtained by CONTRACTOR at his expense including all costs for detailed Engineering, engineering stamps, drawings, testing, certifications, or other items necessary to secure said licenses and permits. This excludes environmental permits (e.g., NPDES Discharge Permit or Air Pollution Permit) and site specific permits (e.g. local).



1.8 WATER ENCOUNTERED IN WORK CONTRACTOR shall notify OWNER if any water is encountered during drilling or excavation activities. No water shall be discharged to surface ditches. Excessive amounts of water (enough to significantly hamper normal construction operations) encountered during excavation activities is to be handled as directed by the OWNER AND/OR CONSTRUCTION MANAGER. This does not apply to surface conditions or surface waters that are allowed to enter open excavations. 1.9 AUTHORIZED REPRESENTATIVE OF THE OWNER “Authorized Representative of the OWNER” shall mean the following individual, who has the authority to execute a Change Order on behalf of the OWNER:

Craig C. Marker, P.E. Cecil County Maryland - Department of Public Works Engineering & Construction Division 200 Chesapeake Blvd., Suite 2400A Elkton, MD 21921 E-Mail: [email protected] Phone: (410) 996-5268 Fax: (410) 996-5299

1.10 ENGINEER ENGINEER shall mean the following individual, whom shall be the technical representative of the OWNER:

Paresh P. Desai, P.E. Blazosky Associates, Inc. 649 North Lewis Road, Suite 215 Royersford, PA 19468 E-Mail: [email protected] Phone: (610) 495-5585 Fax: (610) 495-7652

1.11 CONSTRUCTION MANAGER CONSTRUCTION MANAGER shall mean the following individual, whom shall be representative of the OWNER:

Alan Roman Roman Consulting, Inc. 607 March Street Reading, PA 19607 E-Mail: [email protected] Phone: (610) 587-9240

1.12 GENERAL SAFETY CONSIDERATIONS



A. Workers shall be advised of the presence of methane or hydrogen sulfide gas emanating from the natural decomposition of refuse buried at or near the job site and take precautions to ensure the safety of workers and the public.

B. The CONTRACTOR shall designate one of its onsite crew members who is trained in the use of gas detection monitoring equipment and safety equipment as a Safety Monitor. He shall be present onsite at all times with appropriate instruments to test for oxygen deficiency and the presence of methane or hydrogen sulfide gas. An Emmet CGS-10 Gas Detector, or similar unit, shall be available for this purpose. The Safety Monitor shall periodically test the excavation areas, utility vault, structure, etc., for safe working conditions and be responsible for the appropriate safety equipment being available at the site.

C. Workers shall not be allowed to work alone at any time in an excavation. Work

parties of at least two shall be mandatory, with one worker outside of possible gas effects. Access to the open trench shall be via ladders spaced no further than 25 feet apart. Trenches shall be benched to prevent possible caving in on workers.

D. No welding shall be permitted in trenches, enclosed areas, or over refuse filled areas

unless performed over ground mats or in areas of the site approved by the Safety Monitor and Construction Manager.

E. Workmen shall not be permitted to enter excavations where there is an oxygen

deficiency (oxygen levels below 19.5% by volume) or a combustible mixture of methane (methane levels between 5 and 15% by volume) without taking precautionary measures.

F. All trenches shall be covered or completed at the end of each work day. G. All boreholes shall be completed at the end of each work day.

H. As construction progresses, all valves, pipe and other conduit openings shall be

closed as soon as installed to prevent the migration of gases through the pipeline system and to prevent extraneous matter from entering the system.

I. Smoking shall be prohibited in or near open excavations and in the vicinity of pipe-

laying activities. Smoking is prohibited anywhere onsite except in designated areas. J. Fire extinguishers shall be available and be rated at least A, B and C and are atleast

10-pound size.

K. Landfill gas (LFG) is comprised of approximately equal portions of carbon dioxide (C02) and methane (CH4) with other trace constituents. It is a product formed by the anaerobic decomposition of refuse. Methane gas is the primary component of natural gas, and is combustive when the methane concentration in air is between 5 and 15 percent by volume. The 5 percent level is called the lower explosive limit (LEL). Below 5 percent, there is insufficient methane for combustion. Above 15 percent, called the upper explosive limit (UEL), there is insufficient oxygen for combustion. However, it is important to note that a concentration of methane above



15 percent is considered at least as dangerous as a concentration between 5 and 15 percent, because as the methane dilutes with air, it will pass through the explosive range. When gas concentrations are low, it is common to express methane concentration as a percentage of the LEL. For example, 100 percent LEL is 5 percent methane in air, and 50 percent LEL is 2.5 percent methane in air. Because the decomposition of buried refuse typically produces methane at concentrations ranging from 40 to 55 percent, methane will always pass through the combustible range as it vents to the atmosphere and dilutes with air. Methane is lighter than air, and will rise in the absence of typical barriers. LFG, being a mixture of methane and carbon dioxide, may be heavier than or lighter than air depending on the specific mixture. LFG may escape from the refuse, both vertically through the landfill cover, and laterally through surrounding soils. LFG moves in response to the pressure buildup within the landfill and through diffusion in the absence of a pressure differential. Diffusive movement nearly always produces explosive range concentrations of methane.

CONTRACTOR shall cease construction activities or operations when any concentration of methane at or above 10% LEL is present.

1.13 PRECAUTIONS WHEN WORKING ON REFUSE LANDFILLS

A. Workers shall be cautioned regarding the potential unstable soil and refuse material and the strong possibility of caving during drilling and excavating operations. All workers entering open excavations shall be secured with a safety belt, harness, or short rope to enhance rescue operations in case of accidents.

B. Workers in the excavation area shall have access to acid vapor masks for temporary

protection in the event hydrogen sulfide (H2S) gas is present and triggers the H2S alarm on the gas detector. Vacate the area immediately when H2S is detected.

C. Construction equipment shall be equipped with vertical exhaust and spark arrests. D. Motors utilized in refuse excavation areas shall be explosion-proof. E. Start-up and shutdown of equipment shall not be done in areas of exposed refuse. F. Soil shall be stockpiled adjacent to operations in areas of exposed refuse for fire

fighting purposes. The most effective way to extinguish landfill fires is to smother the fire with soil (which eliminates available combustion oxygen).

G. Any refuse exposed during construction activities shall be covered as soon as

possible after exposure with at least a 6-inch layer of earth or deposited into approved containers. In no event shall the refuse remain exposed overnight.

H. All refuse excavated during construction activities shall be disposed of at the working

face of the landfill. I. Inhalation of landfill gases shall be avoided as much as possible. Such gases (or

oxygen deficient air) may cause nausea and dizziness, which could lead to accidents.



J. Workers shall avoid contact with exposed refuse where possible. Irritants or

hazardous materials may be present. K. Workers shall not leave open wells or excavations unattended. Open boreholes and

excavations must be covered to prevent accidental entry. Wells must be barricaded, flagged, and protected sufficiently to prevent entry of dirt and run off water.

L. The CONTRACTOR shall provide such equipment and medical facilities as are

necessary to supply basic first aid to anyone who may be injured in connection with the Work. In an event immediate removal and/or hospitalization of site personnel is required the CONTRACTOR shall contact 911.

M. The OWNER AND/OR CONSTRUCTION MANAGER may stop the Work if in his sole

judgment safety laws, or safe work practices are not being observed; provided, however, that none of the foregoing shall relieve the CONTRACTOR from being fully responsible and liable for meeting all safety laws and safe work practices in connection with the Work nor should the failure of such persons to stop the Work be construed to mean that all safety laws and safe work practices are being met. Notwithstanding the above, the CONTRACTOR is solely responsible for the compliance with safety laws and maintaining safe work practices.

N. Prior to construction start-up, CONTRACTOR shall prepare a site specific Health and

Safety Plan (the “HASP”). If the CONTRACTOR does not have the capability to prepare the HASP, the CONTRACTOR shall contract for the preparation of the HASP. The CONTRACTOR is solely responsible for the preparation, monitoring, management, and enforcement of the HASP. At a minimum, the HASP shall address the health and safety related information contained within this document. The CONTRACTOR is encouraged to include any other information that the CONTRACTOR feels is relevant. CONTRACTOR shall submit a copy of the HASP to the OWNER AND/OR CONSTRUCTION MANAGER prior to starting construction. Submittal of the CONTRACTOR’s HASP to the OWNER AND/OR CONSTRUCTION MANAGER is to inform the parties of the details of the program. Submittal of the HASP does not, in any way, impose a responsibility on the OWNER AND/OR CONSTRUCTION MANAGER for adequacy of the program nor does it relieve the CONTRACTOR from full responsibility to comply with, and liability for, the appropriate laws, rules or regulations regarding health and safety of onsite personnel.

O. CONTRACTOR shall hold a daily “tail gate” safety briefing prior to beginning work

each day.

END OF DIVISION 01000

CECIL COUNTY, MARYLAND BID NO. 09 - 25 - 53018

P-3

PROPOSAL

PROJECT: CECIL COUNTY DEPARTMENT OF PUBLIC WORKS, CENTRAL LANDFILL – PHASE II LFG COLLECTION SYSTEM DATE: ____________________________ BIDDER: __________________________BY: ________________________ (To be same as in the Proposal Agreement) BUSINESS ADDRESS: ___________________________________________ TELEPHONE NUMBER: __________________________________________ This is to certify that ___________________________________________has received Addendum No. _____ through No. _____ and this project reflects changes created by the addenda. PROPOSAL FORM: CECIL COUNTY DEPARTMENT OF PUBLIC WORKS, CENTRAL LANDFILL – PHASE II LFG COLLECTION SYSTEM Item No. Estimated

Quantity Description Unit Price Total Price

General1100 LS Bonds $ $ 1200 LS Mobilization/Demobilization $ $

Subtotal Excavation & Backfill of HDPE Pipe Trenches

2100 1,200 LF Excavation and Backfill of HDPE Piping Trenches for Lateral $ $

2110 750 LF Excavation and Backfill of HDPE Piping Trenches for Header $ $

Subtotal $ HDPE Piping

2160-A 1,200 LF 4” dia. SDR-11 Solid HDPE Pipe (Lateral) $ $

2160-B 600 LF 6” dia. SDR-11 HDPE Solid (Horizontal Gas Collection Trenches) $ $

2160-C 1,200 LF 6” dia. SDR-11 HDPE Perforated Pipe (Horizontal Gas Collection

Trenches) $ $

Subtotal $ HDPE Fittings

2200-A 6 Ea. 8” x 4” HDPE Reducer $ $ 2200-B 6 Ea. 8” HDPE Elbow $ $ 2300-A 6 Ea. 4” Butterfly Valve $ $ 2300-B 2 Ea. 6” Butterfly Valve $ $ 2310-A 5 Ea. 24” x 4” HDPE Saddle Branch $ $

2310-B 2 Ea. 24” x 4” HDPE Saddle Branch ( 2 at same location) $ $

CECIL COUNTY, MARYLAND BID NO. 09 - 25 - 53018

P-4

Item No. Estimated

Quantity Description Unit Price Total Price

2310-C 2 Ea. 24” x 6” HDPE Saddle Branch $ $ 2400 16 Ea. Sample Ports $ $

2500-A 3 Ea. 4” Blind Flange $ $ 2500-B 12 Ea. 4” Flange $ $ 2500-C 4 Ea. 6” Flange $ $ 2500-D 1 Ea. 24” Blind Flange $ $ 2600 1 Ea. 24” X 24” x 24” Wye $ $ 2700 3 Ea. 24” Electrofusion Coupling $ $

Subtotal Vertical LFG Extraction Well Drilling & Completion

3000-A 24 ft GW-27 $ $ 3000-B 25 ft GW-29 $ $ 3000-C 64 ft GW-30 $ $ 3000-D 38 ft GW-31 $ $ 3000-E 72 ft GW-32 $ $ 3000-F 62 ft GW-34 $ $

Subtotal Horizontal LFG Extraction Trenches

4000 1,800 LF Excavation & Backfill of Horizontal LFG Extraction Trenches $ $

Subtotal Erosion Control

5000 LS Erosion Control and Seeding $ $ Subtotal $

Record Drawing & Surveying 6000 LS Record Drawing & Surveying $ $

Subtotal $ PROJECT TOTAL $

Contingent Bid Items Item No. Description Unit Price

7000 Demobilization/Remobilization $ LS 7100-A 4” HDPE Electrofusion Coupling $ EA 7100-B 6” HDPE Electrofusion Coupling $ EA 7100-C 24” HDPE Electrofusion Coupling $ EA 7200 Vertical LFG Extraction Well Drilling $ /LF 7300 Vertical LFG Extraction Well Completion $ /LF 7400 24” SDR-11 HDPE Piping for Header $ /LF