A Tahu unit opening is framed by a steel profile secured to the adjacent structure with self-tapping screws. A galvanized flashing duct at the head, jambs, and sill provides a transition. One-by-one inch security wire mesh is fastened to a metal channel with security bolts, with the channel finish matched to the mesh. An FFSAM membrane applied around all four sides of the opening creates a continuous air barrier, and a vapor barrier is installed on the data hall side of the scheduled partition wall. The sill height is coordinated with equipment at zero feet zero inches above finished floor.
Text on the drawing
DATA HALL TAHU GALLERY 12" TAHU UNIT TAHU UNIT OPENING 1X1 SECURITY WIRE MESH SECURITY BOLT PREFORMED SEAL METAL CHANNEL; FINISH TO MATCH SECURITY MESH SCHEDULED PARTITION GALVANIZED FLASHING/DUCT @ ALL FOUR SIDES OF OPENING. HEAD, JAMBS & SILL. PREFORMED SEAL STEEL PROFILE, INTEGRATED ELEMENT OF TAHU UNIT SELF-TAPPING SCREW COORD HEIGHT W/ EQUIP 0' - 0"AFF VAPOR BARRIER ON DATA HALL SIDE OF WALL, AS OCCURS NOTE: APPLY FFSAM MEMBRANE AROUND ALL OPENINGS AT TAHU/ DATA GALLERY WALL TO CREATE AIR SEAL BETWEEN SPACES FFSAM MEMBRANE AROUND ALL SIDES OF OPENING FOR CONTINUOUS AIR BARRIER
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