NYC 9/11 Public Portal Document
2.2~ ~ Mechanical FxhaustSystem Visual Inspection Form = Pace 9 nf.•
Mechanical Exhaust System Identification: •
Location:' S Area Served:
S
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse • Y N
Surface Component
System Components Dust/ WTC 4 not
[NOTE: If component not 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 IN (explain): =
- - - grates and/or screens
louvers, r — rJ •
- outside air duct .. . _. . ..
'
outside air damper(s) "
_ . ... _._. _ _. .. _._...
iWiust fan unit:'-.
blower assembly incl.`b?b 3" vvlieel,'housing, air-vanes,
attenuators -
blower housing acoustical lining ov(I
vibration collars
Exhaust air distribution:
Exhaust air ducts Est. total In ft No. locations
inspected
Specify type (circle): nt1 fibrous glass lined metal masonry fibrous glass board
flex-duct wood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected Q _
Accessible turning vanes Est. total gty No. Iocations inspected O
Exhaust air grilles Est. total gty 7 No. locations inspected U
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning based on finding of WW'TC dust):
NJ w i C ..t>-
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000131922
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