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<br /> <br />CITY OF SOUTH BEND <br />STUDEBAKER NATIONAL MUSEUM <br />SKYLIGHT REPLACEMENT FLASHING AND SHEET METAL 07600-3 <br />i. Metal Accessories: Provide sheet metal clips, straps, anchoring devices, and <br />similar accessory units as required for installation of work, matching or compatible <br />with material being installed, non-corrosive, size and gauge required for <br />performance. <br /> <br />3. Finishes: <br /> <br />a. General: Apply coatings either before or after forming and fabricating panels, as <br />required by coating process and as required for maximum coating performance <br />capability. Protect coating either by application of strippable film or by packing <br />plastic film or other suitable material between panels in a manner to properly <br />protect the finish. Furnish, air drying spray finish in matching color for touch-up. <br /> <br />b. Shop-Applied Finish: AAMA 2605, high-performance coating, two-coat shop <br />applied, 70% polyvinylidene fluoride (PVDF) coating based on ELF Autochem, Inc. <br />Kynar 500. Color(s) selected shall be selected by Architect from manufacturer’s <br />full color range. <br /> <br />4. Fabrication: <br /> <br />a. General: Shop fabricate work to greatest extent possible. Comply with details <br />shown and with applicable requirements of SMACNA "Architectural Sheet Metal <br />Manual" and other recognized industry practices. Fabricate for waterproof and <br />weather resistant performance, with expansion provisions for running work, <br />sufficient to permanently prevent leakage, damage, or deterioration of the work. <br />Form work to fit substrates. Comply with material manufacturer instructions and <br />recommendations for forming material. Form exposed sheet metal work without <br />excessive oil-canning, buckling, and tool marks, true to line and levels indicated, <br />with exposed edges folded back to form hems. <br /> <br />b. Seams: Fabricate non-moving seams in sheet metal with flat-lock seams. For <br />metal other than aluminum, fin edges to be seamed, form seams and solder. Form <br />aluminum seams with epoxy seam sealer; rivet joints for additional strength where <br />required. <br /> <br />c. Expansion Provisions: Where lapped or bayonet-type expansion provisions in <br />work cannot be used or would not be sufficiently water/weatherproof, form <br />expansion joints of intermeshing hooked flanges, not less than 1" deep, filled with <br />mastic sealant (concealed within joints). <br /> <br />d. Sealant Joints: Where movable, non-expansion type joints are indicated or <br />required for proper performance of work, form metal to provide for proper <br />installation of elastomeric sealant, in compliance with SMACNA standards. <br /> <br />e. Separations: Provide for separation of metal from non-compatible metal or <br />corrosive substrates by coating or other permanent separation as recommended <br />by manufacturer/fabricator. <br /> <br />f. Shop fabricate sheet metal, gutter, downspouts, and flashings to configurations <br />indicated on the Drawings. Refer to Section “B” for product specification <br />requirements. <br /> <br /> <br /> <br />