NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Ps o 1 of i
Mechanical Exhaust System Identification:
Location: Area Served:
f ~
Associated mechanical room: clean Y N dry Y
N ' stored chemicals/refuse Y N
Surface Component
System Components Dust/ «?C not
[NOTE:Jf component tibt 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: Location:
Accessible for inspection? VI ' N (explain):
louv~ s, grates and/or screens Al P
outside air duct
outside air damper(s) , p
Exhaust fan unit: ~p
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators j
blower housing acoustical linin NO
vibration collars ,vp
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected. _
Specify type (circle): met fibrous Blass lined metal masonry fibrous Blass board
ex-duct wood
Accessible in-line fire dam ers Est. total No. locations ins ected O
Accessible turning vanes Est. total No. locations inspected Np
Exhaust air grilles Est. total gty No. locations inspected 0 3
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of «'TC dust):
KEY: NP = not present; NF = not found; I Inaccessible; U = unknown
NYC-WTC 000132739
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