NYC 9/11 Public Portal Document
2.2 Mechanical FYhanct c+ ,,,
--- - ~u - rage i of 1
Mechanical Exhaust System Identification:
Location: Area Served: _
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Component
Dust/ WTC not
(NOTE: If component not present (NP), not found (NF) or inaccessible (I) t
please Debris Dust present
indicate In last column) Present? Present? not
found
Exhaust air outlet: Inaccessible
Location:
Accessible for inspection? Y__/' N (explain): - -
louvers, grates and/or screens
outside air duct
—Al
outside air damper(s)
Exhaust fan unit: Al
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
N
vibration collars
Exhaust air distribution:
Exhaust air ducts Est, total In ft 12_C)_ No. locations
inspected___(__
Specify type (circle): metal fibrous Blass lined metal fibrous glass board Y /J
flex-duct wnnd
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Est. total gty No. locations inspected
Other (specify):
Other Information:
i
General impression (indicate recommendations for cleaning based
on finding of NTC dust):
Sm
KEY: NP = not present; NF =not found; 1=
Inaccessible; U =
NYC-WTC 000133664
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