NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Paee I of 1
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Mechanical Exhaust System Identification:
Location: Area Served:
associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface Component
System Components Dust! WTC 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
inaccessible
Exhaust air outlet: Loca ion:
Accessible for inspection? Y V N
p (explains: y
louvers, grates and'c: screens
outside air duct
outside air da er(s
Exhaust fan unit:
— blower assembly incl. blower heel, housing, air tiaries, in-line noise _ _
attenuators ( /J
blower housing acoustical lining KJ
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft 1 No. locations
inspected r
--- ..
Specify type (circle): t
brous lass ined met
fi masonry fibrous glass board
ex-duct woo l
Accessible in-line fire dampers Est. total gry II No. locations inspected 0 Z
Accessible turning vanes Est. total gty No. locations inspected ni
Exhaust air illes Est. total f No. locations ins cted
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of ♦N'TC dust):
C
KEY: NP = not resent; NF = not found; I = inaccessible• U >a
unknown
NYC-WTC 000134632
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