Ductwork hangs from a concrete-filled metal deck using threaded hanger rods, galvanized sheet metal straps, and lateral braces secured with machine bolts and lock washers. Wire clips provide additional support where indicated. Lateral braces maintain a maximum forty-five-degree angle relative to the structure. The installation relies on deferred submittals requiring contractor-provided shop drawings and structural calculations.
DETAIL IS PROVIDED AS REFERENCE ONLY. ACTUAL SUPPORT DESIGN WILL BE VERIFIED THROUGH THE SUBMITTAL PROCESS AS A DEFERRED APPROVAL. CONTRACTOR TO PROVIDE SHOP DRAWINGS AND STRUCTURAL CALCULATIONS BY A LICENSED STRUCTURAL ENGINEER FOR SEISMIC AND GENERAL SUPPORT CONNECTION TO STRUCTURE. MACHINE BOLT W/ LOCK WASHER MACHINE BOLT W/ LOCK WASHER MACHINE BOLT W/ LOCK WASHER 45°MAX 2" Ø MIN. DOUBLE CIRCLE 18GA. GSM STRAP 1" MIN. 45°MAX WIRE CLIP LATERAL BRACE 20 GA. GSM STRAP HANGER ROD Date 12/12/22 1 02/23/23 2 06/30/23 3 11/15/23
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