NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Pa P 1 f1
Mechanical Exhaust System Identification: "'I'
Location:
Associated mechanical room: clean Y N dry Y
1 Area Served:
stored chemicals.!refuse
N Y N
Surface Component
System Components Dust/ ♦t"TC l; not
[NOTE:.if.componentnot present (NP), not found (IMF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y .( N (explain): ft
louvE s, grates and/or screens n!
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 n/
vibration collars IW
Exhaust air distribution:
Exhaust air ducts Est total In ft it3 No. locations
inspected
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected (2
Accessible turning vanes Est. total gty No. locations inspected lv
Exhaust air grilles Est. total gty 2.O No. locations inspected O L
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of NN'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132801
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