NYC 9/11 Public Portal Document
7.2 Mechanical Exhaust System Visual Insnecrinn Form Dorm , ..r,
Mechanical Exhaust System Identification:
Location: _ Area Served:
Associated mechanical room. -clean ..Y N dry Y N
stored chemicals!refuse Y N
Surface Component
System Components Dust/ W1TC 1; not
[NOTE: if component not 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: t t
Accessible for inspection? Y V N (explain):. "
louv s, grates and/or screens
outside air duct r
outside air damper(s) N
Exhaust fan unit:
blower assembly inc I..~)ower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
• vibration collars
Exhaust air distribution:
Exhaust air duets Est total In ft__________ No. locations
inspected .
Specify type (circle): meta fibrous glass lined metal masonry fibrous class board s..'1
flex-duct wood
Accessible in-line fire dampers Est. total gty No. locations inspected , Lf
Accessible turning vanes Est. total gty No. location_ inspected ('
Exhaust air grilles Est. total gty I No. locations inspected
Other (specify):
Other Information: —~
General impression (indicate recommendations for cleaning based on finding of 11'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132777
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