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< <br /> SECTION 09511 <br /> SUSPENDED ACOUSTICAL CEILINGS <br /> PART 1 GENERAL <br /> 1.01 SECTION INCLUDES <br /> A. Metal suspension system. <br /> .�:. <br /> B. Acoustical tile. <br /> C. Non-fire rated assembly. <br /> 1.02 REFERENCES <br /> A. AST'M C635 - Metal Suspension Systems for Acoustical Tile and Lay-in Panel <br /> �-� Ceilings. <br /> �� B. ASTM C636 - Installation of Metal Ceiling Suspension Systems for Acoustical Tile � <br /> and Lay-in Panels. <br /> C. ASTM E1264 - Classification of Acoustical Ceiling Products. <br /> �� D. Ceilings and Interior Systems Contractors Association (CISCA) - Acoustical <br /> Ceilings: Use and Practice. <br /> � <br /> ��:� 1.03 SYSTEM DESCRII'TION <br /> A. Suspension system to rigidly secure acoustical ceiling system including integral <br /> � mechanical and electrical components with maximum deflection of 1/360. <br /> ��, <br /> 1.04 SUBMITTALS <br /> A. Submit under provisions of Section 01300. <br /> .� B. Shop Drawings: Indicate grid layout and related dimensioning,junctions with other <br /> work or ceiling finishes, interrelation of inechanical and electrical items related to <br /> � system. <br /> °�F C. Product Data: Provide data on metal grid system components, acoustical units. <br /> D. Samples: Submit two full size samples illustrating material and finish of acoustical <br /> units. <br /> � <br /> 1.05 UALIFICATIONS <br /> A. Grid and Acoustical Unit Manufacturer: Company specializing in manufacturing <br /> the Products specified in this section with minimum three years documented <br /> experience. <br /> " 1.06 SEQUENCING <br /> A. Sequence work to ensure acoustical ceilings are not installed until building is <br /> n enclosed, sufficient heat is provided, dust generating activities have terminated, and <br /> �: <br /> overhead work is completed, tested, and approved. <br /> a <br /> .�-� Division 9—Section 09511 <br /> Page 1 of 3 <br /> f`r� <br />