The computer room air handling unit rests on a twelve-inch nominal adjustable floor stand supported by seismic-restrained vibration isolators anchored to the concrete floor slab. A one-quarter-inch continuous foam neoprene seal secures the top of the floor stand to the unit. The floor stand top is set one-quarter inch above the finished raised floor panels and stringers. A field-fabricated sheet metal drain pan spans beneath the entire unit.
COMPUTER ROOM AIR HANDLING UNIT (CRAC) CRAC FRONT OR BACK SET TOP OF FL STAND 1/4" ABOVE FIN FL 1/4" ABOVE FIN FL RAISED FL PANEL CONCRETE FLOOR STRINGER THREADED STEEL STUD VIBRATION PROOF LEVELING NUT AND LOCKING DEVICE RAISED FLOOR PEDESTAL SUPPORT ANCHOR VIBRATION ISOLATOR TO CONC SLAB (TYP) SEISMIC RESTRAINED TYPE VIBRATION ISOLATOR ANCHOR FL STAND TO VIBRATION ISOLATOR (TYP) CRAC FLOOR STAND 1/4" MIN (TYP AT 4 SIDES) RAISED FL OR FILLER PANEL 12" NOMINAL HEIGHT (ADJUSTABLE) ANCHOR CRAC TO FLOOR STAND (TYP) 1/4" FOAM NEOPRENE SEAL CONTINUOUS ON 4-SIDES. SECURE TO THE TOP OF CRAC FL STAND NOTES: 1. ANCHORAGE FOR REFERENCE ONLY. SEE DELEGATED DESIGN SUBMITTALS FOR SPECIFIC DETAILS. 2. ANCHOR BOLT SIZE AND QUANTITY TO BE AS REQUIRED BY AHU MANUFACTURER FOR SEISMIC ZONE DESIGN CONSIDERATION. SEE SPECIFICATIONS. 3. COORDINATE RAISED FLOOR PEDESTALS WITH MECHANICAL INSTALLATION OF AIR HANDLERS AND PIPES. FIELD FABRICATED SHEET METAL DRAIN PAN TO COVER THE ENTIRE CRAC UNIT
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