NYC 9/11 Public Portal Document
2.2 ' . Mechanical Exhaust System Visual TncnPotinn Fnrrn v,_
-- i OI 1
Mechanical Exhaust System Identification:
Location: . Area Served:
Associated mechanical room: clean Y Nr diy Y N
stored chemicals!refuse Y NT
• Surface Component
System Components Dust/ WTC e; not
[NOTE:.if component rtot present (NP), not found (NF) or inaccessible (I) please Debris Dust
indicate in last column] present
Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y__/' N (explain):
louvk s, grates and/or screens
Ajt7
outside air duct
^/
outside air damper(s)
Exhaust fan unit:
Q
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators AJ
blower housing acoustical lining J
vibration collars
Exhaust air distribution: f7
Exhaust air ducts Est total In ft_ ~V No. locations
inspected t
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
ex-duct pro d
Accessible in-line fire dam ers Est. total t • "t No. locations ins ected ^y-
6
Accessible turning vanes Est. total gty No. lo t ns
ins inspected N 0
Exhaust air grilles Est. total gty ? No. locations inspected 0 i
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132734
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