NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form pond l nf,
Mechanical Exhaust System Identification:
Location: Area Served:
Q
Associated mechanical room: clean Y N dry Y N stored chemicals!refuse Y N
Surface Component
System Components Dust/ WTC
LNOTE:.if component itbt present (NP), not found (NF) or inaccessible (1) please Debris Dust
4 not
present
Indicate in Iast column] Present? Present? not
found
Inaccessible
Exhaust air outlet: L ation:
Accessible for inspection?
P Y if N (explain):
louv s, grates and'or screens N p
outside air duct q/
outside air damper(s) • ,j p
Exhaust fan unit:
blower assembly incl. blower Wheel, housing, air vanes, in-line noise
attenuators N
blower housing acoustical lining NP
vibration collars ()
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected I
Specify type (circle): eta fibrous glass lined metal masonry, fibrous classboard
flex-duct )~•ood
Accessible in-line fire dampers Est. total No. locations inspected
Accessible turning vanes Est. total gty No. locations inspected ,u P
Exhaust air illes Est. total No. locations ins ected
Other (specify):
Other Information:
IJJ; ►IV
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 000132748
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