077200 Roof Accessories_amendment 1.pdf
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- Solicitation number
- 36C25521R0106
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This document provides specifications for roof accessories on a construction project to build out an unfinished specialty clinic and renovate an inpatient pharmacy at a Veterans Affairs medical center. Key requirements include aluminum copings, joint covers, and splice plates in fluorocarbon finish. Installation must comply with standards for roof accessories, insulation, sealants and coordination with other trades. The related federal contract opportunity is for the construction project with an estimated price range from $2 million to $5 million. The scope involves renovating approximately 12,780 square feet including demolition and new construction on the third and basement floors to build out exam rooms, infusion bays, support spaces for an outpatient clinic and bring the inpatient pharmacy into compliance with compounding guidelines. The project will be awarded as a total small business set-aside to Service-Disabled Veteran-Owned Small Businesses. The solicitation is expected to be issued on or around July 16, 2021 with a proposal due date of August 18, 2021 and a period of performance up to 300 calendar days from notice to proceed.
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Text version
08/13/2021 100% Final Construction Documents Complete Unfinished Specialty Clinic Project Number 589A4-20-155
VA 10-11
07 72 00 - 1
SECTION 07 72 00
ROOF ACCESSORIES
Issued Amendment 1, dated 08/13/2021
PART 1 - GENERAL
1.1 DESCRIPTION
This section specifies copings.
1.2 RELATED WORK
A. Color and texture of finish: Section 09 06 00, SCHEDULE FOR FINISHES
B. Sealant material and installation: Section 07 92 00, JOINT SEALANTS.
C. General insulation: Section 07 21 13, THERMAL INSULATION
D. Rigid insulations for roofing: Section 07 22 00, ROOF AND DECK INSULATION
1.3 QUALITY CONTROL
A. All roof accessories shall be the products of manufacturers regularly engaged in producing the kinds of products specified.
B. Each accessory type shall be the same and be made by the same manufacturer.
C. Each accessory shall be completely assembled to the greatest extent possible before delivery to the site.
1.4 SUBMITTALS
A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.
B. Samples: Representative sample panel of color aluminum not less than 100 mm X 100 mm (four by four inches), except extrusions shall be a width not less than section to be used. Sample shall show coating with integral color and texture and shall include manufacturer's identifying label.
C. Shop Drawings: Each item specified showing design, details of construction, installation and fastenings.
D. Manufacturer's Literature and Data: Each item specified.
E. Certificates: Stating that aluminum has been given specified thickness of anodizing.
07 72 00 - 2
1.5 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this specification to the extend referenced. The publications are referenced in the text by the basic designation only.
B. American Society for Testing and Material (ASTM):
B209/209M-07 ........................... Aluminum and Aluminum Alloy-Sheet and Plate
B221/221M-08 ........................... Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes
C612-10 ...................................... Mineral Fiber Block and Board Thermal Insulation
D1187-97 (R2002) ...................... Asphalt-Base Emulsions for Use as Protective Coatings for Metal
C. National Association of Architectural Metal Manufacturers (NAAMM):
AMP 500-06 ............................... Metal Finishes Manual
D. American Architectural Manufacturers Association (AAMA):
2605-11 ...................................... High Performance Organic Coatings on Architectural Extrusions and Panels.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Aluminum, Extruded: ASTM B221/B221M.
B. Aluminum Sheet: ASTM B209/B209M.
C. Galvanized Sheet Steel: ASTM A526/A526M; G-90 coating.
2.2 COPINGS
A. Fabricate of aluminum not less than 1.6-mm (0.063inch) thick;
B. Turn outer edges down each face of wall as shown.
C. Maximum lengths of 3000 mm (10 feet).
D. Shop fabricate external and internal corners as one piece assemblies with not less than 300 mm
(12 inch) leg lengths.
E. Provide 100 mm (four inch) wide 0.8 mm (0.032 inch) thick watertight joint covers.
F. Provide concealed guttered splice plate of 0.8 mm (0.032 inch) thick with butyl or other resilient seal strips anchored to splice plate for underside of joint. Use galvanized steel anchor plate providing compression spring anchoring of coping cover.
G. Finish: Fluorocarbon as specified.
07 72 00 - 3
2.3 FINISH
A. In accordance with NAAMM Amp 500-505.
B. Aluminum, Mill Finish: AA-MIX, as fabricated.
C. Fluorocarbon Finish: AAMA 2605.2 high performance organic coating.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install roof accessories where shown.
B. Secure with fasteners in accordance with manufacture's printed installation instructions and approved shop drawings unless shown otherwise.
C. Coordinate to install insulation where shown; see Section 07 21 13, THERMAL INSULATION and
Section 07 22 00, ROOF AND DECK INSULATION.
D. Comply with section 07 92 00, JOINT SEALANTS to install sealants where manufactures installation instructions require sealant.
E. Coordinate with roofing work for installation of items in sequence to prevent water infiltration.
F. Aluminum Coping:
1. Install sections of coping with approximately 6 mm (1/4-inch) space between ends of sections.
2. Center joint gutter bar and covers at joints and securely lock in place.
3. When snap-on system is used insure front and back edges are locked in place.
3.2 PROTECTION OF ALUMINUM
A. Provide protection for aluminum against galvanic action wherever dissimilar materials are in contact, by painting the contact surfaces of the dissimilar material with two coats of asphalt coating (complete coverage), or by separating the contact surfaces with a preformed neoprene tape having pressure sensitive adhesive coating on side.
B. Paint aluminum in contact with wood, concrete and masonry, or other absorptive materials, that may become repeatedly wet, with two coats of asphalt coating.
3.3 ADJUSTING
Adjust expansion joints to close tightly and be watertight; insuring maximum allowance for building movement.
07 72 00 - 4
3.4 PROTECTION
Protect roof accessories from damage during installation and after completion of the work from subsequent construction.
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