NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
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Location: Area Served:
Associated mechanical room: clean Y N dry ? N
stored chemicals/refuse Y•/ N
Surface Component
System Components Dust/ WTC • not present
[NOTE: If component not present (NP), not found (NF) or inaccessible (1) please Debris Dust • not found
indicate in last column] Present? Present? • inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y__V" 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 f
Exhaust air distribution:
— Exhaust air ducts Est total In ft I G (' No. locations inspected C1
Specify type (circle): metal ( zs e I brous glass board
flex-duct w f
— Accessible in-line fire dampers Est. total qty No. locations inspected ( t
— Accessible turning vanes Est. total qty No. locations inspected Js► P
— Exhaust air grilles Est. total qty O._ No. locations inspected C I
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
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KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC-000135500
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