NYC 9/11 Public Portal Document
2.2- Mechanical Exhaust System Visual Insnectinn Form PnoP I of 1
Mechanical Exhaust System Identification:
Location: (1 Area Served:
Associated mechanical room: clean Y N d Y stored chemicals!refuse
N Y IN,
Surface Component
System Components Dust/ WTC l; not
f NOTE:.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 V N (explain):
"I
lou~'i' s, grates and/or screens h.I
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
Al
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts _O
Est total In ft_____________ No. locations
inspected__
Specify type (circle): metal fibrous ¢lass lined metal masons fibrous Blass board y
flex-duct wood
Accessible in-line fire dam ers Est. total t y No. locations ins ected
Accessible turning vanes Est. total gty No. lo:ation_ inspected P
Exhaust air grilles Est. total gty Jj No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \1'TC dust): -
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132797
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