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3 .6 ERECTION TOLERANCES <br /> A. Installation Tolerances : Shim and align sheet metal roofing within installed tolerance of 1 /4 inch in 20 <br /> feet (6 mm in 6 m) on slope and location lines as indicated and within 1 /8-inch (3 -mm) offset of adjoining <br /> faces and of alignment of matching profiles . <br /> B . Installation Tolerances : Shim and align sheet metal roofing within installed tolerances specified in <br /> MCA's " Guide Specification for Residential Metal Roofing . " <br /> 3 . 7 CLEANING AND PROTECTION <br /> A. Clean exposed metal surfaces of substances that interfere with uniform oxidation and weathering. <br /> B . Clean off excess sealants. <br /> C. Remove temporary protective coverings , and strippable films as sheet metal roofing is installed unless <br /> otherwise indicated in manufacturer's written installation instructions . On completion of sheet metal <br /> roofing installation, clean finished surfaces as recommended by sheet metal roofing manufacturer. <br /> Maintain sheet metal roofing in a clean condition during construction. <br /> D . Replace sheet metal roofing components that have been damaged or have deteriorated beyond successful <br /> repair by finish touchup or similar minor repair procedures . <br /> Wabasso Beach Park 07610 - 10 <br /> Indian River County <br /> DAA Project No. 6008 <br />