NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual inspection Form Pagel of I
Mechanical Exhaust System Identification:
Location: Area Served: ,. j. G
.,N '
fro N
Associated mechanical room: clean Y N d Y N stored chemicals!refuse Y 1\
Surface Component
System Components Dust! WTC I 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? 1' / N (explain):
louvi)s, erases and'or screens nl
outside air duct
outside air damper(s) ry
1
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line noise ~
artenuators •
blower housing acoustical lining ry 0
vih:a:ion. collars NP
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board l
flex-duct d
Accessible in-line fire dampers Est. total gtv No. locations inspected
Accessible turning vanes Est. total Qty No. to:grin=_ ins^r:ted P
Exhaust air grilles Est. total gw I No. locations inspected Al
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \''TC dust):
KEY: NP = not present; NF not found; I = inaccessible; U = unknown
NYC-WTC 000135923
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