NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Paco 1 of 1
Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals.!refuse Y N
Surface Component
System Components Dust/ WTC i; not
S
[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 V N (explain):
louv9 s, grates and/or screens ~.J
outside air duct
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining JP
vibration collars &f P
Exhaust air distribution:
Exhaust air ducts Est total In ft___________ No. locations
inspected I .
Specify type (circle): ' metal fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dam ers Est. total ty No. locations ins ected
Accessible turning vanes Est. total gty No. locations inspected Q
Exhaust air_grilles Est. total tv N'o. locations ins ected
Other (specify): •
Other Information:
General impression (indicate recommendations for cleaning based on finding of NVTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132779
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