NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
i AU5 ~►~
Location: Area Served:
' t
Associated mechanical room: clean_ 1Y N dryjL..Y N stored chemicals/refuse Y_KN
Surface Component
System Components Dust/ WTC • not present
Debris Dust • not found
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Present? Present? • inaccessible
indicate in last column]
Exhaust air outlet: Location:
Accessible for inspection? Y_\/N (explain): /
— louvers, grates and/or screens
— outside air duct
— outside air damper(s)
Exhaust fan unit:
— blower assembly incl. blower wheel, housing, air vanes, inline noise attenuators
— blower housing acoustical lining
— vibration collars NP
Exhaust air distribution:
— Exhaust air ducts Est. total In ft ( O No. locations inspected O2
Specify type (circle): metal fibrous glass lined mj) fibrous glass board
flex-duct wood
— Accessible in-line fire dampers Est. total qty__ No. locations inspected y ='
— Accessible turning vanes Est total qty No. locations inspected NP
— Exhaust air grilles Est. total qty J — No. locations inspected O
Other (specify):
Other Information:
i
General impression (indicate recommendations for cleaning based on finding of WTC dust):
COMPONE-t3fS
''JTC U1 WAS 0SS6QNF►D 1N T44E MFCHAN ICA L
A, ND (TS &55 Vc t rT E iuC_-TS.
Cam. i ivh `Is ?rC)L't' E FL1 [AlTc ti — v u s7.
`rr'y.E H C41AN I CAL CaiPo HEATS of -l~J4 ¶ -N ,nJ f fM
vk 550c{ ATE 7r 7u~=- fS N -eFD "r" o Bt Cwt}-AJt.17,
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC-000117860
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