NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
Location: Area Served:
Q-,o0F
• Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface I Component
System Components
Dust/ WTC % not
[NOTE: If component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present?
t not
found
Exhaust air outlet: inaccessible
Location:
Accessible for inspection? Y/N (explain):
louvers, '
grates and/or screens ( N
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators of
• blower housing acoustical linin
NP
vibration collars P
N
Exhaust air distribution:
Exhaust air ducts Est. total In ft- No. locations
inspected__ _
Specify type (circle): metal _fibrous glass lined metal masonry fibrous glass board Al
flex-duct wood
- Fs' total at`i C7
.
Accessible turning vanes Est. total gty No. locations inspected ~J
Exhaust air grilles Est. total No. locations inspected 0
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning-based on finding of RTC
dust):
t KECY::.:N:~P:= notpresent; NF= not found; I = Inaccessible; U = unknown
NYC-WTC 000133773
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