NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification:
Location: Area Served:
OO
Associated mechanical room: clean Y N dry Y stored chemicals/refuse
N Y N
Surface Component
System Components • Dust/ WNTC 4 not
[NOTE: If component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate in last column] Present? Present?
4 not
found
4
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y N (explain): )SJ
louvers, grates and/or screens `•
outside air duct
outside air damper(s)) -
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise ~t - =
attenuators r
blower housing acoustical lining A)
vibration collars I" P
Exhaust air distribution:
Exhaust air ducts Est total In ft i 2.0 No. locations
inspected
Specify type (circle): met fibrous lass lined metal masonry fibrous glass board
Al
flex-duct l
Accessible in-line fire dampers Est. total No. locations inspected
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Est. total No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of S\'TC dust):
3
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133757
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