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CHAPEL HILL ORANGE COUNTY VISITORS BUREAU August 12, 2020 <br />308 WEST FRANKLIN, CHAPEL HILL, NC <br />GYPSUM BOARD 092900 - 2 <br />1.4 QUALITY ASSURANCE <br />A. Fire-Resistance-Rated Assemblies: For fire-resistance-rated assemblies, provide materials and <br />construction identical to those tested in assembly indicated according to ASTM E 119 by an <br />independent testing agency. <br />B. STC-Rated Assemblies: For STC-rated assemblies, provide materials and construction identical <br />to those tested in assembly indicated according to ASTM E 90 and classified according to <br />ASTM E 413 by an independent testing agency. <br />1.5 STORAGE AND HANDLING <br />A. Store materials inside under cover and keep them dry and protected against damage from <br />weather, condensation, direct sunlight, construction traffic, and other causes. Stack panels flat <br />to prevent sagging. <br />1.6 PROJECT CONDITIONS <br />A. Environmental Limitations: Comply with ASTM C 840 requirements or gypsum board <br />manufacturer's written recommendations, whichever are more stringent. <br />B. Do not install interior products until installation areas are enclosed and conditioned. <br />C. Do not install panels that are wet, those that are moisture damaged, and those that are mold <br />damaged. <br />1. Indications that panels are wet or moisture damaged include, but are not limited to, <br />discoloration, sagging, or irregular shape. <br />2. Indications that panels are mold damaged include, but are not limited to, fuzzy or <br />splotchy surface contamination and discoloration. <br />PART 2 - PRODUCTS <br />2.1 PANELS, GENERAL <br />A. Recycled Content: Provide gypsum panel products with recycled content to meet the <br />requirements of Division 1, Section “Sustainable Design Requirements” for postconsumer <br />recycled content and preconsumer recycled content. <br />B. Size: Provide in maximum lengths and widths available that will minimize joints in each area <br />and that correspond with support system indicated. <br />C. Unless otherwise specified, all gypsum board used in wall construction on the second floor shall <br />be High Impact Type with Type X core. <br />DocuSign Envelope ID: 775B89AF-3514-4D9E-B148-2FDE4EFF16C2