NYC 9/11 Public Portal Document
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iechanical Exhaust System Identif
~'•1 Zi&d A ti kA_ t= X,4A L'S T
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface Component i
System Components S Dust/ WTC • not present
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust • not found
indicate In last column] Present? Present? •
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y I N (explain):
SI Pc
— 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 h' z
— blower housing acoustical lining ,p
— vibration collars
i
Exhaust air distribution:
— Exhaust air ducts Est. total In ft S— No. locations inspected
Specify type (circle): ass lined metal mason ry fibrous glass board
flex-duct w r ,
— Accessible in-line fire dampers Est. total qty No. locations inspected
— Accessible turning vanes Est. total qty No. locations inspected ~, t?
— Exhaust air grilles Est total qty ( No. locations inspected, I
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust): _
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) -A N NC ~ ~~' R,&D pC, tip
KEY: NP = not present; NF - not found; I ffi Inaccessible; U - unknown
NYC-WTC 000135496
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