NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
Location:; ^ Area Served:
O
Associatdd mechanical room: clean Y N dry Ystored chemicals/refuse
N Y! N
Surface Component
System Components Dust/ WTC t; not
[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 fair outlet: Location:
Accessible for inspection? Y, N (explain): " '- . .. . .
)I . . . . .
louvers, grates and/or screens - -- " ---
outside-air duct
outside air dam er s - - ..
. __ _. _ ..__. .. - -
Ex-haust.fan.unit: =.. .. . . -. .
as"sembly'thttbt W r wheel, housing, air vanes,3n=litieiaise - -
attenuators
blower housing acoustical lining - ~!0
vibration collars 37
Exhaust air distribution:
Exhaust air ducts Est. total In ft 10 No. locations
inspected_
Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board
flex-duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected 3
Accessible turning vanes Est. total gty No. locations inspected Q
No. locations inspected
Exhaust air grilles
Other (specify):
Est. total gty
7
Other Information:
General impression (indicate recommendations for cleaning based on finding of'1VTC dust):
r -$c Wi`L U ,.1 Q .
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000131921
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