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DocuSign Envelope ID:D561B1AE-DF34-4907-AD06-AOEB37BBE427 <br /> CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12,2020 <br /> 308 WEST FRANKLIN,CHAPEL HILL,NC <br /> 2.7 FINISHES, GENERAL <br /> A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for <br /> recommendations for applying and designating finishes. <br /> 2.8 ALUMINUM FINISHES <br /> A. Finish louvers after assembly. <br /> B. Retain finishes in paragraphs below to suit Project. If retaining more than one, indicate location of each <br /> on Drawings or by inserts. <br /> C. Clear Anodic Finish: AAMA 611,AA-M12C22A41, Class I, 0.018 mm or thicker. <br /> 2.9 GALVANIZED-STEEL SHEET FINISHES <br /> A. Finish louvers after assembly. <br /> B. Surface Preparation: Clean surfaces with nonpetroleum solvent so surfaces are free of oil and other <br /> contaminants. After cleaning, apply a conversion coating suited to the organic coating to be applied <br /> over it. Clean welds,mechanical connections, and abraded areas and repair according to ASTM A 780. <br /> 2.10 STAINLESS-STEEL SHEET FINISHES <br /> A. Repair sheet finish by grinding and polishing irregularities, weld spatter, scratches, and forming marks <br /> to match surrounding finish. <br /> PART 3 -EXECUTION <br /> 3.1 EXAMINATION <br /> A. Examine substrates and openings, with Installer present, for compliance with requirements for <br /> installation tolerances and other conditions affecting performance. <br /> B. Proceed with installation only after unsatisfactory conditions have been corrected. <br /> 3.2 PREPARATION <br /> A. Coordinate setting drawings, diagrams, templates, instructions, and directions for installation of <br /> anchorages that are to be embedded in concrete or masonry construction. Coordinate delivery of such <br /> items to Project site. <br /> 3.3 INSTALLATION <br /> A. Locate and place louvers and vents level,plumb, and at indicated alignment with adjacent work. <br /> LOUVERS AND VENTS 089000 - 7 <br />