NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form P20e 1 of 1
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 F not
j\OTE:.if component not
present (NP), not found (NF) or Inaccessible (I) please Debris Dust present
Indicate in last column) Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y, p.1' N (explain):
louvk s, grates and/or screens Np
outside air duct S., )
outside air damper(s) N (7
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
ki
attenuators
blower housin acoustical linin tV P
vibration collars n1 p
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): meta fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dam ers Est. total t y 1 No. locations ins ected C7
Accessible turning vanes Est. total No. locations inspected ,vp
Exhaust air 'lles Est. total No. locations ins ected O
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 000133951
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