NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification: t `
Location: '- F L 1"~2'tAc_
N Area Served: S .
Associated mechanical room: clean Y N dry stored chemicals/refuse
Y N Y N
Surface Component
System Components Dust! WTC 4 not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Indicate In last column] Present? Present?
4 not
found
• Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y N (explain):
louvers, grates and/or screens ^J
:,utside air duct nJ
outside air damper(s)
Exhaust fan unit:
blower assembly inci. blower wheel, housing, air vanes, in-line noise
attenuators I
blower housing acoustical lining .'J
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est. total In ft 13-0 No. locations
inspected I -
Specify type (circle): metal fibrous glass lined metal
flex-duct wood
masonry fibrous glass board 'I
Ac ' i.+-line fire d;,-miters Est. total ott'
gt .._.• No. loccek i nct+a~.' .JP
Accessible turning vanes Est. total gty No. locations inspected NP
Exhaust air grilles Est. total No. locations ins ected
Other (specify):
Other Information:
General Impression (indicate recommendations for cleaning•based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000132791
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