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INDIAN RIVER COUNTY — NORTH COUNTY REGIONAL PARK PAGE 8 <br />AQUATIC FACILITY ROOFING REPLACEMENT SECTION 074210 <br />JUNE 7, 2019 METAL WALL PANELS <br />if they are within the range of approved Samples and are assembled or installed to minimize <br />contrast. <br />PART 3 - EXECUTION <br />3.1 EXAMINATION <br />A. Examine substrates, areas, and conditions, with Installer present, for compliance with <br />requirements for installation tolerances, metal wall panel supports, and other conditions affecting <br />performance of work. <br />1. Examine wall sheathing to verify that sheathing joints are supported by framing or blocking <br />and that installation is within flatness tolerances required by metal wall panel manufacturer. <br />2. Verify that weather -resistant sheathing paper has been installed over sheathing or backing <br />substrate to prevent air infiltration or water penetration. <br />3. For the record, prepare written report, endorsed by Installer, listing conditions detrimental to <br />performance of work. <br />B. Examine roughing -in for components and systems penetrating metal wall panels to verify actual <br />locations of penetrations relative to seam locations of metal wall panels before metal wall panel <br />installation. <br />C. Proceed with installation only after unsatisfactory conditions have been corrected. <br />3.2 PREPARATION <br />A. Prepare surface to receive underlayment. Prime all surfaces. <br />3.3 UNDERLAYMENT INSTALLATION <br />A. Self -Adhering Sheet Underlayment: Apply primer. Comply with temperature restrictions of <br />underlayment manufacturer for installation. Apply at locations indicated on Drawings, wrinkle free, <br />in shingle fashion to shed water, and with end laps of not less than 6 inches (150 mm) staggered <br />24 inches (600 mm) between courses. Overlap side edges not less than 3-1/2 inches (90 mm). <br />Roll laps with roller. Cover underlayment within 14 days. <br />3.4 Lap -Seam Metal Wall Panels: Fasten metal wall panels to supports with fasteners at each lapped <br />joint at location and spacing recommended by manufacturer. <br />A. Lap ribbed or fluted sheets one full rib corrugation. Apply panels and associated items for neat <br />and weathertight enclosure. Avoid "panel creep" or application not true to line. <br />B. Lap ribbed or fluted sheets one full rib corrugation. Apply panels and associated items for neat <br />and weathertight enclosure. Avoid "panel creep" or application not true to line. <br />C. Provide metal-backed washers under heads of exposed fasteners bearing on weather side of <br />metal wall panels <br />