NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form V• i
Mechanical Exhaust System Identification:
Location: f~ Area Served:
•
Associated mechanical room: clean Y N dry Y N
stored chemicals!refuse Y N
Surface Component
System Components Dust/ \\'TC 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_SIN (explain):
t '
louv~ s, grates and/or screens ND
outside air duct
outside air dam er(s)
Exhaust fan unit: NA
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators ti
blower housing acoustical lining
ibration collars NP
Exhaust air distribution: c'
Exhaust air ducts Est total In ft a G~ No. locations
inspected t
Specify type (circle): etal fibrous Blass lined metal masonry fibrous class board
flex-duct .%•ood
Accessible in-line fire dam ers Est. total t • 1 No. locations ins ected C)
Accessible turning vanes Est. total tv No. lo:ati',ns inspe t:d n/n
Exhaust air grilles Est. total gty No. Iocations inspected 0 T
Other (specify):
Other information:
VJOQk-1J(
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 000133942
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