NYC 9/11 Public Portal Document
21 echanical Exhaust System
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Mechanical Exhaust System Identification:
Location: QoOF Area Served:
-
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
System Components Surface ComP onent
Dust/ WTC not
(NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust present
indicate in last column) Present? Present? not
found
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y V/ N (explain):
louvers, Oates and/or screens (
A)
outside air duct
N
outside air damper(s)
.
Exhaust fan unit: NP
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars p
Exhaust air distribution:
Exhaust air ducts Est_ total In ft- t 2) No. locations
inspected (
Specify type (circle): met fibrous ¢lass lined metal masonry fibrous Blass board
flex-duct wood
N. ln^-•in, i =- d
t✓
Accessible turning vanes Est. total g No. locations ins ecteo N _J
Exhaust air grilles Est. total gry 12 No. locations inspected C)
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding
of WTC dust):
LY,—
E—Y—
.- -Nl) not present; NF not found: I = inacc pccthto• IT = ,., ►.........
NYC-WTC-000113717
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