NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Insneetinn
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Mechanical Exhaust System Identification:
Location: Area Served:
loo v F- '
Associated mechanical room: clean Y N dry ? N
stored chemicals'refuse Y N
Surface Component
System Components Dust/ WTC not
f NOTE:.if component-nbt present (NP), not found (NP) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Lo ation:
Accessible for P
inspection? Y t~N explain:
( p )
lou4 s, grates and/or screens N
outside air duct p./
outside air damper(s) ,.,j
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators A/
blower housing acoustical lining np
vibration collars N{~
Exhaust air distribution:
Exhaust air ducts Est total In ft yd No. locations
inspected t
Specify type (circle): etal fibrous class lined metal masonry fibrous class board
flex-duct mood
Accessible in-line fire dam ers Est. total No. locations ins ected
Accessible turning vanes Est. total No. locations inspected
Exhaust air rifles Est. total No. locations ins ected 0
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \1'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132723
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