NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page I of I
Mechanical Exhaust System Identification:
Location: - Area Served:
0 F
Associated mechanical room: clean Y N dry Y N stored chemicals.'refuse Y IN
Surface Component
System Components Dust! WTC Z; not
INOTE:.if component nbt present (NP), not found (NF) or inaccessible (1) please Debris Dust present
Indicate in last column] Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:.
Accessible for inspection? VI ' N (explain):
Y
louvk s, 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 A/
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft 02.10 No. locations
inspected_`
Specify type (circle): metal fibrous elass lined metal masonry fibrous class board fj
flex -duct shm"
Accessible in-line fire dampers Est. total gty No. locations inspected
Accessible turning vanes Est. total at No. to atict t insected PS
Exhaust air rilles Est. total n• Igo. locations ins ected .L
Other (specify):
Other Information: ~~ r
General impression (indicate recommendations for cleaning based on finding of NV•TC dust):
KEY: NP = not resent; AF a not found; I = inaccessible; U a unknown
NYC-WTC 000135940
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