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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
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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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TE-19070 May 2011
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, [email protected].
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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