NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust SvctPm Vit 1 Tncnantift" Fnrm r._ _
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Mechanical Exhaust System Identification:
Location: Area Served:
(100
Associated mechanical room: clean Y N dry Y N
stored chemicals!refuse Y N
Surface Component
System Components Dust/ WTC not
[NOTE:.if component nbt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y_/ " N (explain):
louvb s, grates and/or screens Nf~
outside air duct
outside air damper(s)
Exhaust fan unit:
Np
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining A/
vibration collars NP
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected t
Specify type (circle): eta •fibrous class lined metal masonry fibrous class board
flex-duct j~•ood
Accessible in-line fire dam ers Est. total ty 1 No. locations ins ected d
Accessible turnip vanes Est. total tv No. location_ inspected
Exhaust airgrilles Est. total Nio. locations ins ected U
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \V'TC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U s unknown
NYC-WTC 000132733
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