NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Pare I 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
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please
4 not
Debris Dust present
indicate in last column] Present? Present? not
found
4
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y y N (explain): y
louvers, grates and/or screens ri
outside air duct N
outside air damper(s)) - —
Exhaust fan unit:
blower assembly incl. blower 'wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars /v
Exhaust air distribution:
Exhaust air ducts Est total in ft ] No. locations
inspected ( ~—~
Specify type (circle): metal ibrous class lined metal masonry fibrous glass board
flex-duct r v
Accessible in-line fire dam ers Est. total [[ No. locations ins ected T
Accessible turning vanes Est. total gty No. locations inspected Nl
Exhaust air illes Est. total No. locations ins ected U
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning based on finding of «'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133755
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