NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System 'Visual Tnsneetinn Fnrm -
Mechanical Exhaust System Identification: 1U
Location: Area Served:
Associated mechanical room: clean - Y N dry Y N
stored chemicals.irefuse Y, N
Surface Component
System Components Dusti 1NTC
[ OTE:.if component'nbt present (NP), not found (NF) or inaccessible (I) please
4 not
Debris Dust present
indicate in last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Location:
/
Accessible for inspection? Y ~( NT (explain): lam/
louvis s, grates and/or screens Al
outside air duct
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining AJ
vibration collars nTQ
Exhaust air distribution:
Exhaust air ducts Est total In ft ) No. locations
inspected - r
Specify type (circle): etal fibrous glass lined metal masonry fibrous glass board tv
flex-duct wood y
Accessible in-line fire dam ers Est. total t y No. locations ins ected
Accessible turning vanes Est. total gty No. locations inspected .n!
Exhaust air rilles Est. total No. locations ins ected U
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132800
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