NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Vic»al TncnPrtinn
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Mechanical Exhaust System Identification:
Location: ((~~ ~ Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals!refuse . Y N
Surface Component
System Components Dust! WTC t; not
[NOTE:.if component•ttbt 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: Lo tion:
Accessible for inspection? Y IN (explain):
Iouv~ s, grates and/or screens S NA
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly inci. blower wheel, housing, air vanes, in-line noise
attenuators
blower housin acoustical linin Na7
vibration collars N()
Exhaust air distribution:
Exhaust air ducts Est total In ft 5U No. locations
inspected
Specify type (circle): eta/ fibrous class lined metal masonry fibrous glass board
flex-duct wood
Accessible in-line fire dam ers Est. total t No. locations ins ected O
Accessible turning vanes Est. total gty No. Iocations inspected &Jn
Exhaust air illes Est. total No. locations ins ected 0
Other (specify):
Other Information:
rJo
General impression (indicate recommendations for cleaning based on finding of NN'TC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U unknown
NYC-WTC 000132751
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