NYC 9/11 Public Portal Document
2.2 1 Mechanical F.yhancf Cvcfvrri Vicnnl T.,cnentt.,.. Lam..
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Mechanical Exhaust System Identification:
u."'
em
Location: n o
Area Served:
-
c
Associated mechanical room: clean Y N dry Y
stored chemicals.rrefuse N
Y Iv
Surface • Component
System Components Dust/ WTC not
[NOTE: if component•n:ot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column) Present? Present? not
found
Exhaust air outlet: Inaccessible
Location:
Accessible for inspection? Y f 1\ (explain):
Iouv* s, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly inci. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft 9-t 0 No. locations
inspected___
Specify type (circle): eta fibrous Blass lined metal masonry fibrous class board N
flex-duct wood 7
Accessible in-line fire dampers Est. total gty No. locations inspected n/,
Accessible turning vanes Est. total gty No. locations inspected N
Exhaust air_grilles Est. total No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \VTC
dust):
I EY: NP = not resent; IMF = not found; I = inaccessible; U =
unknown
NYC-WTC 000132783
OCR can misread numbers and units. Confirm readings against the page image before using them.