NYC 9/11 Public Portal Document
2.2 ' Mechanical Exhaust System Visual Inspection Form Pagel of 1
Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean Y N dry Y stored chemicalsrrefuse
N Y N
Surface Component
System Components Dust! \17C
(NOTE:.if component•ttbt 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__/' N (explain):
louv' s, grates and/or screens N
outside air duct ,.1
outside air damper(s) ^J p
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining nl
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected p T
Accessible turning vanes Est. total gty No. location_ inspected ,Jo
Exhaust air grilles Est. total gty 7 No. locations inspected p -7-
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WWTC dust):
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000133950
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