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<br />076200.2 – FLASHING AND SHEET METAL <br /> <br />Project Manual for Whitted Building Roof Replacement <br />Orange County, Hillsborough, NC <br />Prepared by Atlas Engineering, Inc., 551-A Pylon Drive – Raleigh, NC 27606 <br />May 2022 <br /> <br />1.04 DELIVERY, STORAGE AND HANDLING <br /> <br />A. Deliver sheet metal materials and accessories with original protective wrap or boxing with labels intact <br />and legible. Comply with manufacturer's published instructions for storage and handling. <br /> <br />B. Store materials in dry protected areas, on clean, raised platforms with securely anchored weather <br />protective coverings and in such manner as to prevent condensation or staining. Stack material to <br />prevent twisting, bending, or abrasion. <br /> <br />C. During storage prevent material contact with any substance that would discolor or stain, including soil <br />and water. <br /> <br />1.05 SCHEDULING <br /> <br />A. The Contractor shall field verify existing conditions prior to fabrication of sheetmetal components. <br />Minor dimensional detail changes may be required to fit existing conditions. Field verification must <br />be performed with enough time to make revisions to shop drawings and to allow for proper fabrication <br />of components without project delay. <br /> <br />B. Sheet metal work shall be closely coordinated with the installation of new roofing materials. <br /> <br />C. Sheet metal installations shall be scheduled such that roofing terminations will not be left unprotected. <br /> <br />1.06 WARRANTIES <br /> <br />A. Provide a Contractor’s Five-Year Warranty for work included in this project in accordance with <br />Section 014000 of these specifications. <br /> <br /> <br />PART 2 PRODUCTS <br /> <br />2.01 METAL MATERIALS <br /> <br />A. Copper (Edge metal, counterflashings, coping, backup plates, gutters, conductor heads, downspouts, <br />and misc. trim): Provide 16 oz. minimum copper, meeting ASTM B370, cold rolled temper <br />designation H00. <br /> <br />B. Membrane-Clad Metal: Provide 0.040″ thick aluminum substrate, coated/laminated with the <br />membrane manufacturer’s approved membrane material, 20 mil minimum thickness. Color to be <br />selected from the membrane manufacturer’s standard colors. Product shall be manufactured by the <br />low-sloped single-ply thermoplastic membrane manufacturer and compatible for hot-air welding to <br />roof system membrane and flashing materials. Color of clad metal must match color of membrane and <br />flashings. <br /> <br />C. Counterflashing at the roof hatch and other noted trim: Shall be Type 304 stainless steel, 24GA <br />(unless otherwise noted on details) cold rolled, annealed, with a 2B finish, and conforming to the <br />requirements of ASTM A480. <br />DocuSign Envelope ID: 89558C18-938A-4BFF-B14A-A2214E8AA5DD