NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification - -- — -
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Location: .., Area Served:
R # c
Associated mechanical room: clean Y N dry '-f
stored chemicals/refuse Y, N 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____ (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 I,
— blower housing acoustical lining 1
— vibration collars f
Exhaust air distribution:
— Exhaust air ducts Est. total In ft (' I No. locations inspected C1
Specify type (circle): metal b is i i r
.~ ' fibrous glass board
flex-duct w
— Accessible in-line fire dampers Est. total qty No. locations inspected ( t
— Accessible turning vanes Est, total qty No. locations inspected t'J P
— Exhaust air grilles Est. total qty Q,j _ 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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