A thirty-inch long Unistrut P1000HS channel mounts to ceiling blocking with number fourteen by two-inch sheet metal screws into pre-drilled holes. A two-inch wide by eighteen gauge galvanized sheet metal strap wraps the duct and secures to the framing at thirty-six inches on center maximum with equally spaced quarter-inch sheet metal screws. Structural blocking details are coordinated per structural drawings.
UNISTRUT P1000HS CHANNEL, 30" LONG DUCT SECURE UNISTRUT CHANNEL TO BLOCKING WITH #14 x 2" S.M. SCREW. PRE- DRILL ALL HOLES. SEE STRUCTURAL DETAIL 13/S1.5 FOR BLOCKING 2" WIDE 18 GA. GALV. S.M. AT 36" OC MAXIMUM STRAP WITH 1/4"%%150 SM SCREWS EQUALLY SPACED.
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