NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust Svcfem Visual —
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Mechanical Exhaust System Identification:
Location: Area Served:
O F-
Associated mechanical room: clean Y N dry Y N stored chenucals.!refuse Y N
Surface Component
System Components Dust/ WtiTC 4 not
(TOTE: If component-iibt 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 / N (explain):
louv s, gratesand/orscreens
NP
outside air duct AJ
outside air damper(s)
Exhaust fan unit: r
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
NP
vibration collars ,..Jn
Exhaust air distribution:
Exhaust air ducts Est total In ft 'O No. locations
inspected i
Specify type (circle): m tal fibrous glass lined metal masonry fibrous glass board
ea-duct iood
Accessible in-line fire dam ers Est. total t No. locations ins ected
Accessible turning vanes Est. total gty No. locations inspected ,Jp
Exhaust air_grilles Est. total No. locations ins ected O
Other (specify):
Other Information:
1 iN r~!r~1Fr ~ N W
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 000132737
OCR can misread numbers and units. Confirm readings against the page image before using them.