NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page I of I
Mechanical Exhaust System Identification: 't t%
Location: Area Served:
i
Associated mechanical room: clean Y N d Y stored chemicals/refuse
N Y N
Surface Component
System Components Dust/ 'tNTC 4 not
(NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
Present? Present?
indicate in last column) 4 not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y_/ ' N (explain): k/
louvi s. grates and/or screens y EJ
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
artenuators
blower housing acoustical lining ` Al
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est total In ft ti 0 No. locations
inspected__, _
Specify type (circle): eta fibrous Blass lined metal ntasonry fibrous class board
flex-duct ~~•ood
Accessible in-line fire dampers Est. total gty No. locations inspected J !v
Accessible tumine vanes Est total gty No. lo:tati~^.s inr a:ted
Exhaust air grilles Est. total gry Q No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of 1'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000135945
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