NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
EXNADS'I tV
Location: I Served:
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—
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
Dust/ WTC
Dustst • not present
[NOTE: if component not present (NP), not found ~ or inaccessible m please Debris
indicate in last column] •not found
Present? Present?
Exhaust air outlet: • inaccessible
Location:
Accessible for inspection? Y 1/ N (explain):
— louvers, grates and/or screens
— 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
P
Exhaust air distribution: P
— Exhaust air ducts Est. total In ft No. locations inspected
Specify type (circle): metal f fibrous glass lined me asoa~ fibrous glass board
flex-duct wood
— Accessible in-line fire dampers Est, total qty No. locations inspected rj P
— Accessible turning vanes Est, total qty No. locations inspected ?JP
— Exhaust air grilles Est. total qty_$ No. locations inspected O
Other (specify): 2
Other Tnfnrmatinn•
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
/ ~y
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KEY: NP = not present; NF = not found; I =
inaccessible; 11==
NYC-WTC-000117355
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