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<br /> <br />THE CITY OF SUNNY ISLES BEACH <br />PROJECT NO. 21-1011 <br />BUILDING DEPARTMENT RELOCATION TO ANNEX <br /> <br />Project No. 21-1011 November 2024 095100-3 <br />acoustical materials, and for 24 hours after installation. <br /> <br />3. Maintain a uniform temperature in the range of 50 degrees F. to 70 degrees F. <br />prior to and during installation of acoustical materials. <br /> <br />1.7 Extra Materials <br /> <br />A. Furnish additional ceiling material for replacement and maintenance stock. Furnish each <br />size, color, pattern, and type of material included in the work, from same <br />manufactured lot as materials installed and enclosed in protective packaging with <br />appropriate identifying labels. <br /> <br />1. ACT-1: 5% of footage installed, but not less than 200 S.F. (panels only) <br />2. ACT-2: 5% of footage installed, but not less than 200 S.F. (panels only) <br /> <br />PART 2 - PRODUCTS <br /> <br />2.1 ACCEPTABLE MANUFACTURERS <br /> <br />A. Acoustical Tile AT-1 (All Public Spaces show with acoustical tiles) <br /> <br />1. Acoustical Ceiling Panel: Sand rift # 809 as manufactured by USG Building <br />Systems <br /> <br />a. Size: 2’ x 2’. <br />b. Thickness: 3/4”. <br />c. Edge Detail: FL (reveal edge for DXF suspension system). <br />d. NRC: 0.65 – 0.75. <br />e. CAC: 40 – 44 <br />f. Color USG color number (561) Sky Blue. <br /> <br />2. Suspension System: DONN Fine line (DXF) as manufactured by USG Building <br />Systems Bolt-slot, intermediate duty suspension systems complying with ASTM <br />C 635, 9/16” flange width. <br /> <br />a. Color: USG color number (561) Sky Blue. <br /> <br />B. Acoustical Tile AT-2 (All offices and back of <br />house semi-public spaces specified to <br />receive acoustical ceilings) <br /> <br />1. Acoustical Ceiling Panel: Astro Clima Plus # 8225 as manufactured by USG Building <br />Systems. <br /> <br />a. Size: 2’ x 2’. <br />b. Thickness: 5/8”. <br />c. Edge Detail: FL (reveal edge for DXT suspension system) <br />d. NRC: 0.65 0.75. <br />e. CAC: 35-39. <br />f. Color: White. <br />g. Light Reflector .90 <br />