NYC 9/11 Public Portal Document
' 2.2 : Mechanical Exhaust System Visual Inspection Form Pat7e 1 of I
Mechanical Exhaust System Identification:
Location: n Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals!refuse
N Y N
Surface Component
System Components Dust/ WTC Z; not
[NOTE:_if component nbt 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? 7, ' N (explain):
L
louv~ s, grates and/or screens N
outside air. duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators j
blower housing acoustical lining tit
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft 0 No. locations
inspected l
Specify type (circle): fetal fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in -line fire dampers Est. total gty No. locations inspected 0 1 l`
Accessible turning vanes Est. total gty No. locations inspected N
Exhaust air grilles Est. total gty 7 No. locations inspected T
Other (specify):
Other Information:
• rJl}i 1NO2.1e" J (
General impression (indicate recommendations for cleaning based on finding of \VTC dust):
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133926
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