NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page l of 1
Mechanical Exhaust System Identification:
Location:
'
j Area Served:
Associated mechanical room: clean Y N dry Y stored chemicalstrefuse
N Y N
Surface Component
System Components Dust! 1?C l; not
INOTE:.if component fibt present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column) Present? Present?. not
k
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y N (explain):
Iouv~' s, grates and/or screens nl
outside air duct
outside air damper(s) a1O
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining N ()
vibration collars N Q
Exhaust air distribution:
Exhaust air ducts Est total In ft • O No. locations
inspected I
Specify type (circle): metal fibrous ¢lass lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected 0 T
Accessible turning vanes Est. total gty No. lo:ati'ns inspected N O
Exhaust air grilles Est. total gty 7 No. locations inspected 0 T
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of W1TC dust):
• I
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown ___
NYC-WTC 000133959
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