NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Vicnal l ---- --
- - - r C 1 UI 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 i; not
[NOTE:•if component-rtot 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_tf" N (explain): • `.
louv6 s, grates and/or screens
AJ P
outside air duct
outside air damper(s)
N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
s
attenuators A/
blower housing acoustical lining
vibration collars At p
Exhaust air distribution:
Exhaust air ducts Est total In ft ~<3 No. locations
inspected .
Specify type (circle): fibrous glass lined metal masonry fibrous class board
flex-duct ood
Accessible in-line fire dampers Est. total No. locations inspected d T
Accessible turning vanes Est. total gty No. locations inspected n/ D
Exhaust air_grilles Est. total No. locations ins ected
Other (specify):
Other Information:
1 - ___
General Impression (indicate recommendations for cleaning based on finding of \W'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132728
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