NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust Svstem Vicn l Tncnprt1am rrn-r
Mechanical Exhaust System Identification: •
Location: Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals'refuse Y NT
Surface Component
System Components Dust/ WTC l; 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 ✓/ N (explain):
louv6 s, grates and/or screens
Np
outside air duct N
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
a enuators
tt a
N
blower housing acoustical limn
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total in ft ~ No, locations
inspected
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board
flex-duct yood
Accessible in-line fire dam ers Est. total 1\0. locations ins ected
Accessible turning vanes Est. total ' No. lo:ati',n=_ inspected Nf7
Exhaust air_grilles Est. total No. locations ins ected 6
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of 11•TC dust):
ca
KEY: NP = not present; NF not found; I = inaccessible; U == unknown
NYC-WTC 000132740
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