NYC 9/11 Public Portal Document
2. , Mechanical Exhaust
System Visual Inspection Form
Mechanical Exhaust System Identification: Page 1 of 1
Location: (~ Area Served:
Associated mechanical room: clean- Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
(NOTE: if component not present (NP), not found (NF) or () Dust/ WTC not
inaccessible I please Debris Dust
Indicate in last column] Present? Present? present
not
found
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y/N (explain):
'
louvers, grates and/or screens
Y
outside air duct N
outside air damper(s)
Exhaust fan unit: tip
blower assembly incl. blower wheel, housing, air vanes,
attenuators in-line noise
I
Exhaust air distribution:
Exhaust air ducts Est total In ft._j...Q No. locations
inspected I
Specify type (circle): rriet I fibrous glass lined metal masonry
flcdu Wood
fibrous glass board
Y N
Accessible in-line fire dampers Est. total gty I 2 No. locations inspected 0
Accessible turning vanes .Est. total No. locations inspected
Exhaust air grilles Est. total tv 1,2 No. locations inspected O
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of WTC dust):
1 KEY: NP _ not present; NF= not found; I _Inaccessible; U = unknown
NYC-WTC 000135808
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