Attachment2_Specification_7400_Metal_Roof.doc

SPECIAL PROJECT SPECIFICATION

DIVISION 7– Thermal & Moisture Protection SECTION 07400 – Metal Roofing

GENERAL

1.01 SCOPE: The work of this contract shall consist of the installation of a completely weatherproof metal roof system for the metal roofed toilets. The roof system shall be as herein specified. The work shall include but not be limited to: installing felt paper, installing metal roof system, and all other work necessary for a complete and weather tight roof systems as specified here in and AS SHOWN ON THE DRAWINGS.

1.02 WARRANTIES: In addition to the manufacturer’s warranty the Contractor shall warrant the roof to be weatherproof for a period of one year after final acceptance. Written warranties shall be provided to the Contracting Officer prior to final payment.

1.03 MEASUREMENT AND PAYMENT: No separate measurement or payment will be made for the work of this section.

1.04 QUALITY ASSURANCE: Installer shall be factory certified as an approved installer of the specified product. The installer shall be abe to demonstrate a minimum of five (5) years of successful application of metal roofing.

PRODUCTS

2.01 METAL ROOF: Roof and siding shall be 24 gage, Klip Rib metal roof with Kynar Finish (Color: As selected by the Government) as manufactured by IMSA Building Products (916) 372-6851 or approved equal.

2.02 RIDGE FLASHING: Ridge flashing to be 24 gage, seven inch minimum width each side of ridge with factory finish to match metal roof.

2.03 FLASHINGS: Flashings shall be a minimum of 24 gage, galvanized steel primed and painted to match metal roof.

2.04 FASTENERS: Fasteners shall conform to the requirements of the Uniform Building Code (1997) and/or manufacturer’s recommendations for the conditions at the project site (25 PSF Wind Uplift, 100 PSF Snow Load).

2.05 ROOFING FELT: Roofing felt to be 30-pound asphalt impregnated fiberglass.

2.06 CLOSURES: Manufacturer’s standard formed neoprene closures. Paint to match metal roof if exposed.

07400 - 1

2.07 SEALANT: Sealant shall be Mameco Vulcum #116 polyurethane or equal. Color to match metal roof.

EXECUTION

3.01 GENERAL: Thoroughly clean roof removing all protruding nails and the like. Install roof system in accordance with manufacturer’s installation standards for flashing and details and in accordance with the UBC. If conditions exist which are not covered by the standard details install in accordance with manufacturer’s recommendations after approval of the Contracting Officer.

3.03 RIDGE AND EAVES: Neoprene closures shall be installed at ridge and eaves. Roofing material shall be turned up at ridge; closure (with sealant) installed and then turned down. At eaves, the closure (with sealant) shall be installed and then roof material turned down. Use manufacturer’s turn up/down tool for this task. Where visible the closures and underneath side of metal roof shall be painted to match roof color.

3.05 CLEAN-UP: Prior to final acceptance the site shall be thoroughly cleaned of all materials and debris which may have resulted from the work and such materials and debris shall be removed from Government property and disposed of in accordance with all state and local regulations.

3.06 SAFETY: Safety for the workers and all those that may be affected by the work shall be the sole responsibility of the Contractor.

END OF SECTION

07400- 2

TRINITY RIVER HELITACK OFFICE DIVISION 3 03200-2