NYC 9/11 Public Portal Document
' 2.2 ' Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification: y
Location: Q _ Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals!refuse Y ; N
System Components
Surface
t WTC
Component
~ 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? Y_\/' N (explain): y
louvers, grates and/or screens
outside air duct ~.
outside air damper(s) - ~.
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air.vanes, in-line noise
attenuators
blower housing acoustical limn
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft I2 No. locations
inspected 1
Specify type (circle): etal fibrous lass lined metal masonry fibrous glass board
flex-duct wood
Accessible in-line fire dampers Est. total gty t No. locations inspected ('
Accessible turning vanes Est. total gty No. locations inspected hIP
Exhaust air grilles Est. total gty No. locations inspected
Other (specify): if
Other Information:
General impression (indicate recommendations for cleaning based on finding of «'TC dust):
1A1r si ¢=oN 17 i ti S yS i i' t C. },„/, ..~ ( is ! CSC o J-trI fza'j 1`
3
KEY: NP = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133720
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