NYC 9/11 Public Portal Document
. 2.2. . Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification: ~.
Location: Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC l; not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y y N (explain): y
louvers, grates and/or screens r'-)
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise .•
attenuators - N
blower housin acoustical linin
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est total In ft 1 'LO No. locations
inspected
Specify type (circle): metal fibrous 21555 lined metal masonry fibrous glass board
Y rv
ex-dug
Accessible in-line fire dampers Est. total gty It No. locations inspected O 1'
Accessible turning vanes Est. total gty No. locations inspected nj/J
Exhaust air lles Est. total No. locations ins ected (}
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WW'TC dust):
w ►( _,
a5
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133716
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