NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Igspection Form Page l of 1
-Mechanical Exhaust System Identification: t4.c.-
Location: 'p" 757eiServed:
(N FL . . T~1Z12A.c.~ .
Associated mechanical room: clean Y N Y stored chemicals/refuse
N Y N
Surface Component
System Components Dust/ WTC F, not
[NOTE: If component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate in last column] Present? Present? 4 not
found
F,
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y, V N (explain):
louvers, grates and/or screens Al
outside air duct /J
outside air damper(s) A)
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining NP
vibration collars Al
Exhaust air distribution:
Exhaust air ducts Est. total In ft [ 0 No. locations
inspected I . .
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board ~(
ex-duct w 1
_ _, . .,: ~'^moers Est. total otv No. locations ins C!.!
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Est. total gty 13 No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of N\'TC dust):
KEY: NP = not present; NF s not found; I Inaccessible; U s unknown
NYC-WTC 000135932
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