NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visttat 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! Wti7C t;• not
[ OTE:.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):
louvR s, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining N P
vibration collars N (>
Exhaust air distribution:
Exhaust air ducts Est total In ft ~O No. locations
inspected_
Specify type (circle): met fibrous class lined metal masonry fibrous glass board
flex-duct ood
Accessible in-line fire dam ers Est. total t No. locations ins ected
Accessible turning vanes Est. total gty No. location_ inspected p
Exhaust air 'lles Est. total No. locations ins ected
Other (specify):
Other Information:
t t~
n
General impression (indicate recommendations for cleaning based on finding of'1W'TC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132729
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