NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Ins
fchanical Exhaust System Identification:
ection Form
td I of 1
cation:
O Area Served:
ociated mechanical room: clean Y N dry Y N
stored chemicals/refuse y N
tem Components Surface Component
TE: if component not present (NP), not J i;
found (NF) or inaccessible (I) please WTC not
icate in last column] Debis Dust present
Present? Present?
not
found
Exhaust air outlet:
4
Location:
Accessible for inspection? YJN
(explain):
louvers, grates and/or screens
y 'I
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel,
housing, air vanes, in-line noise
attenuators
blower housing acoustical linin y Al
vibration collars
Exhaust air distribution: Al
Exhaust air ducts Est total In ft
inspected ( -- -- No. locations
Specify type (circle): metal fibrous glass lined metal
flex-duct
Accessible in-line fire dampers
wood
masonry fibrous class board
y y
Est. total gty 2 No. locations
Accessible turning vanes Est. total No. locations
Exhaust air grilles Est total qty J_ No locations
Other (specify).
Other Information:
General impression (indicate
recommendations for cleaning based on finding of
WW'TC dust):
WrL t(45r ND t N SYS~Ef'( . LLFAti.N(~ is
KEY: NP = not resent; NF =
not I = inaccessible; U = unknown
NYC-WTC 000133673
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