NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visnal inchPetinn Fir.,, N ,. i Vi
Mechanical Exhaust System Identification:
Location: Area Served:
LA vj &t- ,z.yn
14
Associated mechanical room: clean Y N thy Y N
stored chemicals!refuse Y N
Surface Component
System Components Dust/ WTC not
[NOTE:.if component tl'ot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column) Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y, N (explain):
louvi'' s, grates and/or screens N n
outside air duct ,
outside air damper(s) .p
Exhaust fan unit:
blower assembly inci. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining 0
vibration collars AJ P
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): meta fibrous Blass lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty '7 No. locations inspected 2
Accessible turning vanes, Est. total t No. locations inspected
Exhaust air grilles
Other (specify):
Est. total gty 7 No. locations inspected
0
Other Information:
General impression (indicate recommendations for cleaning based on finding of 11'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132744
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