NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form
Page] of 1
Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean Y N dry Y N
stored chenricals!refuse Y N
Surface Component
System Components Dust/ WTC t; not
(NOTE:.if component nbt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y, / N (explain}:
louv~' s, grates and/or screens
N
outside air duct
outside air damper(s)
' Q
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining tV n
vibration collars
Exhaust air distribution:
Exhaust air ducts Est. total In ft No. locations
inspected__________
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
flex-duct jmgd
Accessible in-line fire dam ers Est. total ty 7 No. locations ins ected 0
Accessible turning vanes Est. total gty No. lo:ati ns inspected ,p
Exhaust air rilles Est. total ty No. locations ins ected --"
Other (specify):
Other Information: -`
vr'~1t` v .
t' j
General impression (indicate recommendations for cleaning based on finding of AVTC dust):
J c ' c-c n s6 , F- 1 H~S GC~v s i
KEY:1\P = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133931
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