SCOPE OF WORK

Margaret Greene Park Washroom Building 80 Westwood Road, Guelph, Ontario

Structural and Maintenance Remedial Work

Prepared For

City of Guelph City Hall, 1 Carden Street, Guelph, ON N1H 3A1

Prepared By

Tacoma Engineers Inc. 176 Speedvale Avenue West, Guelph, Ontario Project No. TE-19070 May 2011

Margaret Greene Park Washroom Building Scope of Work Structural and Maintenance Remedial Work Page 1 of 14

TE-19070 May 2011

Table of Contents Introduction ..........................................................................................................................2

Scope of Work .....................................................................................................................3

Appendix ‘A’ - Drawings 1 – Floor Plan

2 – Sheet Notes for Dwg No. 1

3 – Masonry Wall Clip Details

4 –Detail at Eave

Appendix ‘B’ – Technical Data Sheets – Roof Underlayment (2 pages)

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Introduction The purpose of this document is to convey the scope of work and technical requirements

required to complete the structural and maintenance remedial project located at the

Margaret Greene Park Washroom Building at Margaret Greene Park, 80 Westwood

Road, Guelph.

In brief, the proposed work at the Margaret Greene Park Washroom Building includes the

following items:

• Remove the existing metal and asphalt shingle roofing and replace with new

prefinished metal roofing.

• Replace existing wood fascia boards and plywood soffit with new material.

• Provide uplift anchorage between the wall top plates and the tops of the exterior

load-bearing masonry walls.

• Provide uplift anchorage between the wall top plates on the exterior load-bearing

masonry walls and each roof truss.

• Provide lateral support to the tops of the gable end masonry walls.

• Provide lateral support to the interior partition masonry walls.

• Clean and repair existing exterior masonry.

• Make good existing finishes/elements disturbed by proposed work.

This document is intended to be reviewed and used by the selected contractor(s) to better

understand the general scope of work required to complete the remediation project and

for pricing purposes. For pricing purposes, it is expected that the contractor(s) review

this document in conjunction with a thorough site review of the subject structure before

providing their cost to perform the work to the owner. The engineer is to be contacted

with any questions related to the scope of work during the pricing and/or construction

periods. The engineer’s representative to contact is: Aaron Maksym, Project Manager,

519-763-2000, ext. 249, aaronm@tacomaengineers.com.

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Scope of Work 1. Refer to the attached drawings numbered 1 to 4. Drawings 1 and 2 are to be read in

conjunction with each other (Drawing 1 is a plan showing the location of Sheet

Notes, Drawing 2 describes the Sheet Notes identified on Drawing 1).

2. Remove and re-install electrical and mechanical components as required to

complete the structural and maintenance remedial work. Retain the services of

qualified electrical/mechanical contractors to perform this work.

3. Provide protective barrier(s) around the work area to minimize the risk of damage

due to the work and to restrict unauthorized access to the work area. Maintain the

barrier(s) for full duration of work.

4. Clean site of debris at end of each work day and at end of project. Secure site at

end of each work day, including material storage area as applicable.

5. As applicable, arrange for all required inspections to identify buried and embedded

utilities in and around the work areas. Take appropriate measures to protect these

items from damage.

6. Throughout construction, coordinate all required reviews with Engineer and

Municipal Building Department as required. Reviews to include:

a. Framing review of installation of new framing anchors/clips, prior to

covering up.

b. Review of roofing underlayment prior to covering up (in addition to any

inspections as required by the roofing manufacturer’s representative as

noted in item #7 below.

c. When finished work is complete.

7. Roofing

a. Remove existing metal roofing and asphalt shingle layers and any existing

roofing underlayment layers to expose existing plywood roof sheathing.

b. Replace any damaged/decayed plywood with new exterior grade plywood

(match thickness of existing).

c. Provide roof underlayment to plywood sheathing: Blueskin Roof High

Temperature Underlayment – PE 200 HT (see technical data sheets in

Appendix ‘B’) complete with installation of approved primer to plywood

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sheathing prior to installation of underlayment membrane. Install

underlayment membrane in accordance with manufacturer’s instructions.

d. Provide new prefinished metal roofing complete with all metal flashings

and trims (i.e. eave and gable end flashings with drip edges, ridge cap

flashing, etc.). Colour of flashings (minimum 24 Gauge, 0.61mm) to

match roofing colour. Colour selection by Owner from standard colour

selection.

i. Accepted Roofing Product: Vicwest TSR 1000 Series metal panel

with clip fastening system; installed as a single skin application on

a solid substrate

ii. Profile: Seamed joint at 610 mm (24”) o/c with seams a minimum

of 69 mm (2.75”) above the bottom of the ribbed profile

iii. Panel: Galvanized (zinc coated) sheet steel conforming to ASTM

A653M structural quality, Grade 230 material, 24 Gauge

(0.61mm).

iv. Coating: as selected by Owner from standard colours

e. The installer of the metal roof/flashing system shall have a minimum of

five (5) years experience in projects of similar scope. Roofing/flashing

work shall be performed only by skilled applicators, employed by a

company operating with all adequate and necessary equipment to execute

such work.

f. Store roofing products in accordance with manufacturer’s

recommendations and protected from elements.

g. Protect prefinished steel during fabrication, transportation, site storage and

erection, in accordance with manufacturer’s recommendations.

h. Do not stockpile material on roof.

i. The product manufacturer shall supply the Owner with a written and

signed document, certifying the performance of the products and the

consistency of the properties of such products affecting their performance

for a period of ten (10) years from date of acceptance. Provide site access

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to the manufacturer’s representative’s as required during construction for

site inspections.

j. The Contractor shall supply the Owner with a written and signed

document, certifying that all work completed shall remain as installed, free

from any roofing defect, for a period of two (2) years from date of

acceptance.

8. Wood Finishing

a. For existing wood elements to be re-stained or re-painted:

i. Remove dirt, loose, scaling and peeling finish.

ii. Wash surfaces with mild solution of household detergent and

clean water, applied with medium soft fibre brush. Rinse with

clean water and allow to dry completely.

iii. Fill holes with filler appropriate to surface and compatible with re-

finishing product. Allow to dry; sand flush with adjacent surfaces.

iv. Sand surfaces smooth where paint is removed to expose substrate.

v. Prevent damage to existing surfaces.

b. For new (or re-) finishing:

i. Store products in accordance with manufacturer’s instructions.

ii. Apply products to manufacturer’s instructions. All products to be

appropriate for exterior use.

iii. Colour to match existing – verify with owner. Provide colour

coding/chip and one gallon (4 litres) of extra stain and/or paint to

owner at end of project.

iv. Acceptable manufacturers: Glidden, Pittsburgh Paint, Benjamin

Moore or approved substitution. Use exterior latex paint or stain.

v. Wipe off dust and grit prior to priming or sealing. Seal knots,

pitch streaks and sappy sections with sealer. Fill nail holes and

cracks after sealer has dried; sand between coats.

vi. Apply minimum one coat primer or sealer as applicable and

minimum two coats new paint or stain to match existing.

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9. Uplift Anchors

a. Provide additional anchor bolts between existing wood top plate and top

of existing masonry loadbearing walls. Refer to the attached drawings in

Appendix ‘A’ for further details about this connection.

b. At end of each truss, provide hurricane ties between the truss and the

wood plate noted in item 9a above.

10. Lateral Support to Existing Masonry Walls

a. Provide bent metal clips, and wood blocking as required, to laterally

support the interior masonry walls. Refer to the attached drawings in

Appendix ‘A’ for further details.

b. Provide a continuous steel angle at the top of the exterior side of the gable

end masonry walls. Refer to the attached drawings in Appendix ‘A’ for

further details.

11. Close-out

a. Prior to allowing public access to the building and site, ensure that all

construction materials and equipment are removed. All construction

barriers are to be removed.

b. Arrange for final review by Engineer and Owner.

c. Complete deficiencies noted during final review.

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Appendix ‘A’ - Drawings

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Appendix ‘B’ – Technical Data Sheets