NYC 9/11 Public Portal Document
2.2 ' Mechanical Exhaust System Visual Tnsneetinn Fnrm D.,.,e z ..r,
Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals'refuse Y N
Surface Component
System Components Dust/ WTC l; 1 not
[NOTE:.if component i t present (NP), not found (NF) or inaccessible (I) please Debris - Dust present
indicate in last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? 1'__/I3 (explain):
louv~' s, grates and/or screens N
outside air duct
outside air damper(s) N P
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars N~
Exhaust air distribution:
Exhaust air ducts Est total in ft do No. locations
inspected
Specify type (circle): metal fibrous lass lined metal masonry fibrous class board
flex-duct ~~•ood
Accessible in-line fire dam ers Est. total No. locations ins ected
Accessible turning vanes Est. total No. locations inspected ,vp
Exhaust air 'lies Est. total No. locations ins ected
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 ffi unknown
NYC-WTC-000132741
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