NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification: Si..t;./A-M L _ 4 M','T..
Location: Area Served: ^
Associated mechanical room: clean • Y N stored chemicals/refuse
Y N Y N
Surface Component
System Components Dust/ WTC ~ not
Inaccessible (I) please Debris Dust present
[NOTE: if component not present (NP), not found (NF) or Present?
Present? 4 not
indicate In last column]
found
Inaccessible
Exhaust iair outlet: Location:
Accessible for inspection? Y N (explain):--
• louvers, grates and/or screens -
outside air duct -
• outside air damper(s) _._.:_: - • ... • P
., :._ ..._ _ _: . _ -
EzTi 's13an unit
blower assembly Incl. blowei:W11ea1,1it5tising, air vanes, in-line noise_:::—T- =- --
attenuators
blower housing acoustical liningY -. N n
vibration collars
Exhaust air distribution: u
Exhaust air ducts . Est. total In ft ( No. locations
inspected__
Specify type (circle): etal fibrous glass lined metal masonry fibrous glass board - . , • • •• ,
ex-duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected N
Accessible turning vanes Est. total gty No. locations inspected /V P
Exhaust air grilles Est. total No. locations inspected
Other (specify): .
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
(- I C SUS ou,.p .
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000131923
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