NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
Location: n Area Served:
Associated mechanical or om: clean Y N dry Y stored chemicals/refuse
N Y N
Surface Component
System Components . . Dust/ WTC not
[NOTE: if component not present (ITT), not found (NF) or Inaccessible (I) please Debris Dust present
Present? Present?
Indicate In last column) 4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y I N (explain):
louvers, grates and/or screens Al
duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators l
blower housing acoustical lining ^l
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est, total In ft t ) L No. locations
inspected__
Specify type (circle): e 1 fibrous Blass lined metal masonry fibrous glass board
ex-duct WQd
Arcp«;%.le i' -line f!*e d.rrro-t z- Nc'. Icar~ ,: -,-.,e~,v
Accessible turning vanes Est. total gty No. locations inspected n!
Exhaust air grilles Est. total No. locations inspected -~—
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of 'TC dust):
KEY: NP = not present; NF not found; I a inaccessible; U a unknown
NYC-WTC-000135931
OCR can misread numbers and units. Confirm readings against the page image before using them.