NYC 9/11 Public Portal Document
• 2,2 . Mechanical Exhaust System Visual Inspection
Form Page 1 of 1
Mechanical Exhaust System Identification:
Location:
F Area Served: _
Associated mechanical room: clean Y N d N stored chemicals/refuse Y N
System Components . Surface Component
[NOTE: if component not present (NP), not found (Ni) or Dust/ WTC l; not
inaccessible (1) please Debris Dust present
indicate in last column]
Present? Present? not
found
Exhaust air outlet: Location: Inaccessible
Accessible for inspection? Y V N (explain): -
louvers, grates and/or screens
y ~
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line
noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est. total in ft I No. locations
inspected_
Specify type (circle): metal
fled:-duct
fibrous class lined metal
wood
masonry fibrous Blass board ~l 4
Accessible turning vanes Est. total No. locations inspectea
Exhaust air grilles Est. total No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for
cleaning based on finding of WTC dust):
KEY: NP =not res NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000133644
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