NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Ins ection Form • pa e1 oft
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/ \YTC l; 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):
louvC s, grates and/or screens
outside air duct
outside air damper(s) Nn
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars ,j O
Exhaust air distribution:
Exhaust air duc s Est total In ft No. locations
inspected__________
Specify type (circle): eta! fibrous class lined metal masonry fibrous Blass board
ex-duct wood
Accessible in-line fire dampers Est. total gty "') No. locations inspected
Accessible turnip vanes Est. total No. location=_ inspected
Exhaust air grilles Est. total gty No. locations inspected 0 2.
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \\'TC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132738
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