SECTION 077000
ROOF AND WALL SPECIALTIES AND ACCESSORIES
PART 1 - GENERAL
1.1
A.
B.
SUMMARY
Section Includes:
1.
Roof Curbs and Supports.
2.
Pipe Portals.
Related Sections:
1.
Section 075419 – Polyvinyl Chloride Roofing.
2.
Section 076000 – Flashing and Sheet Metal: Counterflashing.
1.2
A.
SYSTEM DESCRIPTION
Curbs, Equipment Supports, Pipe Roller Supports, and Pipe Portals:
1.
Design Requirements: Manufacturer is responsible for designing units, including anchorage
to structural system and necessary modifications to meet specified requirements.
2.
Structural Requirements: Design to support load of curb-mounted equipment.
1.3
A.
B.
SUBMITTALS
General: Submit in accordance with Section 013300.
Product Data:
1.
Submit manufacturer’s descriptive literature and product specifications for each product.
2.
Indicate profiles, anchorages, jointing details, flashings, and accessories.
Shop Drawings:
1.
Submit detail drawings of transitions, intersections, and connections.
2.
Submit detail drawings of accessory components not included in manufacturer’s product
data.
Submit following Informational Submittals:
1.
Certifications specified in Quality Assurance article.
2.
Manufacturer's instructions.
Closeout Submittals:
1.
Submit under provisions of Section 017800.
2.
Warranty: Submit specified warranty in accordance with Section 017800.
C.
D.
E.
1.4
A.
B.
C.
D.
1.5
A.
B.
QUALITY ASSURANCE
Single Source Responsibility: Furnish each product from one manufacturer, unless otherwise
acceptable to Architect.
Manufacturer Qualifications: Company specializing in manufacturing Products specified in this
Section with minimum 5 years documented experience.
Roof Curb Installer Qualifications: Acceptable to manufacturer with documented experience on at
least 5 projects of similar nature in past 5 years.
Certifications:
1.
Submit manufacturer’s certification that products furnished for Project meet or exceed
specified requirements.
2.
Submit Contractor’s and installer’s certification that products are installed in accordance with
Contract Documents.
WARRANTY
Comply with provisions of Section 017800.
Warrant installed roof curbs to be free from defects in material and workmanship for time period to
match roof system specified in Section 075419.
Loudoun County Public Schools
Vehicle Maintenance Facility Addition
077000
Roof and Wall Specialties and Accessories
Hughes Group Architects
May 31, 2010
PART 2 - PRODUCTS
2.1
A.
B.
C.
D.
2.2
A.
B.
C.
D.
2.3
A.
MATERIALS
Structural Quality Galvanized Steel: ASTM A653, with galvanized G90 coating.
Preservative Pressure Treated Wood: Softwood lumber treated in accordance with AWPA C2 for
above grade use.
Bituminous Paint: SSPC Paint 12
Roofing Cement: ASTM D4586, Type I.
CURBS AND SUPPORTS
Acceptable Roof Curb Products and Manufacturers:
1.
Model RPC-1 by Roof Products, Inc.
2.
Style PC-5 by The Pate Company.
3.
Model RC-4A by Roof Products and Systems Corporation.
4.
Model TC-1 by ThyCurb.
Acceptable Equipment Support Rail Products and Manufacturers:
1.
Model RPES-1 by Roof Products, Inc
2.
Style ES-5, The Pate Company.
3.
Model ER-4A, Roof Products and Systems Corporation.
4.
Model TEMS-1, ThyCurb.
Acceptable Pipe Roller Support Products and Manufacturers:
1.
Style PRS-5, The Pate Company.
2.
Model PMP, Roof Products and Systems Corporation
3.
Model TEMS-1 with pipe roller assembly, ThyCurb.
General:
1.
Sheet Metal: Structural quality galvanized steel, thickness to suit spans and imposed loads
with corner seams mitered and welded.
2.
Insulation: 3 pcf density, rigid glass fiber board, minimum 1-1/2 inches thick.
3.
Wood Nailers and Grounds: Preservative pressure treated wood, minimum 2 inch cross
sectional dimensions.
4.
Height: 8 inches minimum above elevation of finished roofing, except where indicated
otherwise.
5.
Built-in Cant: 3 inch wide; 45 degree angle.
6.
Fabricate with bottom edge of built-in cant raised above roof deck surface to accommodate
roof deck insulation.
7.
Curbs:
a.
Size:
Accommodate curb-mounted equipment and pipe portals; coordinate
requirements prior to fabrication.
8.
Pipe Rollers Supports:
a.
Provide with single channel atop curb to support threaded rods holding pipe rollers.
b.
Size pipe rollers to accommodate pipe sizes.
TRIM
Preformed Coping:
1.
Acceptable Products and Manufacturers:
a.
Permasnap Coping, W. P. Hickman Company, Asheville, NC.
b.
Snap-Lock Coping, Style SLC, MM Systems Corporation, Tucker, GA.
2.
Description:
a.
Anchor Plate/Cleat: 20 gage thick commercial quality galvanized steel or
manufacturer’s standard aluminum.
b.
Coping: 0.050 inch thick aluminum, smooth surface.
c.
Gutter/Splice Plate: Anchor cleat with integral drainable gutter or manufacturer’s
standard closed cell composition compressible material gasket between anchor plate
and coping finish top match coping.
d.
FM 1-90 wind uplift rating.
Loudoun County Public Schools
Vehicle Maintenance Facility Addition
077000
Roof and Wall Specialties and Accessories
Hughes Group Architects
May 31, 2010
B.
C.
D.
2.4
A.
e.
Slope coping towards roof.
f.
Provide gutter/splice plates at joints between sections of coping.
Fabrication:
1.
Form sections true to shape, accurate in size, square, free from distortion and defects, to
profiles indicated.
2.
Shop fabricate intersections, inside corners, and outside corners with miters welded in
factory prior to finishing.
Accessories: Provide fasteners, clamping devices, splice strips adhesives, and sealants required
by system for proper performance and as recommended by manufacturer.
Parapet Cap Membrane: Self-adhering rubberized asphalt tape. Coordinate with Section 072700
– Air Barriers.
PIPE PORTALS
Pipe Portals for Low-Sloped Roofs:
1.
Manufacturer’s standard ABS and EPDM rubber boots to accommodate 3/8 through 6 inch
diameter pipe.
2.
Furnish complete with stainless steel hose clamps.
3.
Accommodate quantity and size of piping to pass through portal caps.
4.
Fabricate for mounting atop manufacturer’s curb.
5.
Acceptable Products and Manufacturers:
a.
RPVP-3 Vertical Pipe Curb and Cover, Roof Products, Inc.
b.
PCA-5, Pipe Curb Assembly, The Pate Company.
c.
Pipe Portal System, Roof Products and Systems Corporation.
d.
TP-2 Piping Cover, ThyCurb.
PART 3 - EXECUTION
3.1
A.
B.
C.
3.2
A.
B.
3.3
A.
B.
3.4
EXAMINATION
Examine conditions and proceed with work in accordance with Section 017300.
Verify that deck, curbs, blocking, cants, roof membrane, and base flashing are in place and
positioned correctly.
Flashings, Gravel Guard, and Coping:
1.
Verify that coverage onto vertical finish materials is sufficient to result to watertight
installation.
2.
Verify membrane terminations and base flashings are in place, sealed, and secure.
INSTALLATION
General:
1.
Install units plumb, level, square, and free from warp or twist while maintaining dimensional
tolerances and alignment with surrounding construction.
2.
Apply bituminous paint on metal surfaces of units in contact with cementitious materials and
dissimilar metals.
3.
Securely anchor roof accessories to supporting substrates with appropriate type fasteners.
4.
Coordinate with installation of roofing system and related flashings.
Curbs: Integrate curbs with adjacent roofing systems, base flashings, and counter flashings to
create watertight conditions.
CLEANING
Clean as recommended by manufacturer. Do not use materials or methods which may damage
finish or surrounding construction.
Clean primer, adhesive, flashing cements, and other products from surfaces, exposed sheet metal
and bellows.
PROTECTION
Loudoun County Public Schools
Vehicle Maintenance Facility Addition
077000
Roof and Wall Specialties and Accessories
Hughes Group Architects
May 31, 2010
A.
Protect finished work in accordance with Section 017300.
END OF SECTION
Loudoun County Public Schools
Vehicle Maintenance Facility Addition
077000
Roof and Wall Specialties and Accessories
Hughes Group Architects
May 31, 2010