077100 Roof Specialties_amendment 1.pdf
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- Solicitation number
- 36C25521R0106
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This document includes a presolicitation notice for a construction project to renovate an unfinished specialty clinic and inpatient pharmacy at a VA medical center. The project scope involves renovating approximately 12,780 square feet of space across two floors, including demolishing and constructing new exam rooms, infusion bays, support spaces, and secured pharmacy areas. Construction will occur in phases to minimize disruption to pharmacy operations. The estimated price range for the project is $2,000,000 to $5,000,000. The solicitation will be set aside for Service-Disabled Veteran-Owned Small Businesses and NAICS code is 236220. The solicitation package is expected to be available on or about July 16, 2021 with a proposal due date of August 18, 2021. Interested offerors are encouraged to attend an organized site visit. The Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 15 is the contracting agency.
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Text version
08/13/2021 100% Final Construction Documents Complete Unfinished Specialty Clinic Project Number 589A4-20-155
VA 07-14
07 71 00 - 1
SECTION 07 71 00
ROOF SPECIALTIES
Issued Amendment 1, dated 08/13/2021
PART 1 - GENERAL
1.1 DESCRIPTION
This section specifies equipment supports.
1.2 RELATED WORK
A. Color and texture of finish: Section 09 06 00, SCHEDULE FOR FINISHES. Sealant material and installation: Section 07 92 00, JOINT SEALANTS.
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. Manufacturer's Literature and Data: Each item specified.
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):
A653/A653M-11 ........................ Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated
(Galvannealed) By the Hot-Dip Process
B209/209M-10 ........................... Aluminum and Aluminum Alloy-Sheet and Plate
B221/221M-13 ........................... Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes
C612-10 ...................................... Mineral Fiber Block and Board Thermal Insulation
D1187-97(R2011) ....................... Asphalt-Base Emulsions for Use as Protective Coatings for Metal
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C. National Association of Architectural Metal Manufacturers (NAAMM):
AMP 500 Series .......................... Metal Finishes Manual
D. American Architectural Manufacturers Association (AAMA):
2605-13 ...................................... 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 EQUIPMENT SUPPORTS
A. Fabricate equipment supports from 1.3 mm (0.0516 inch) thick galvanized steel.
B. Form exterior curb with integral base, and deck closures for curbs installed on steel decking.
C. Use galvanized steel liners for curbs having inside dimension over 305 mm (12 inches).
D. Fabricate curb with a minimum height of 200 mm (8 inches) above roof surface.
E. Attach preservative treated wood nailers to top of curb. Use 50 mm (2 inch) by 50 mm (2 inch) minimum nominal size on curb with openings and 50 mm (2 inch) thick, width of curb up to 300 mm (12 inches) on equipment support curbs.
F. Make size of supports suit size of equipment furnished, with height as shown on drawings, but not less than 200 mm (8 inches) above roof surface.
2.3 FINISH
A. In accordance with NAAMM Amp 500 Series.
B. Fluorocarbon Finish: AAMA 2605.2 high performance organic coating.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install roof specialties where shown.
B. Secure with fasteners in accordance with manufacture's printed installation instructions and approved shop drawings unless shown otherwise.
07 71 00 - 3
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.
b. After completion of base flashing bend down cap flashing flange and secure to blocking with screws.
c. Install expansion joint cover with 6 mm (1/4 inch) wide space at end joints and tension bars at 600 mm (24 inches) on center.
d. Install cover plates with formed aluminum flashing concealed and centered on joint.
Flashing to lap cover not less than 100 mm (4 inches).
F. Equipment Supports: Do not anchor to insulating concrete or metal deck. Anchor only to building structure as per manufacturers recommendations.
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
A. Adjust roof hatch hardware to operate freely and so that cover will operate without binding, close tightly at perimeter, and latch securely.
3.4 PROTECTION
Protect roof accessories from damage during installation and after completion of the work from subsequent construction.
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