NYC 9/11 Public Portal Document
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Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean 1' N dry Y stored chemicals!refuse
N Y 1\
Surface Component
System Components Dust., «"TC 4 not
(\OTE:.if component not present (NP), 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 Y N (explain):
louvetts, grates and'or screens
outside air duct to
outside air damper(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise ` N
attenuators
blower housing acoustical lining N
vibrztio.. collars
Exhaust air distribution:
Exhaust air ducts Est total In ft £_t 0 No. Iocations
inspected__
Specify type (circle): meta' fibrous cuss lined metal masonry fibrous class beard 1 f./
flex-duct 1~•o
Accessible in-line fire dzmpers Est. total ty No. locations ins ected N•
Accessible turning vanes Est. total ty No. lo:zti^n_ inspe:ted I
Exhaust air grilles Est. total oty No. locations ins ected ..
Other (specify):
Other Information: ~ T
General impression (indicate recommendations for cleaning based on finding of %V'TC dust):
}.EY: ? P ffi not resent; NF _ not found; I = inaccessible; U = unknown
NYC-WTC 000135929
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