NYC 9/11 Public Portal Document
2.2 :` Mechanical Exhaust System Visual Ins ection Form Pa el 0fl
Mechanical Exhaust System Identification:
Location: n Area Served:
I IAA
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
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? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y_ N_ (explain): y
louvers, grates and/or screens Al
— outside air duct N
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
• blower housing acoustical lining N
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft f~2..1~ No. locations
inspected_
Specify type (circle): etal fibrous class lined metal
flex-duct wend
masonry fibrous class board
7 Al
'- --
Accessible turning vanes
. . .... . .._____
Est. total No. locations inspected tuP
Exhaust air_grilles Est. total No. locations ins ected Q
Other (specify):
.Other Information:
General impression (indicate recommendations for cleaning.based on finding of WYTC dust):
KEY: NP = not present; NF= not found; I = inaccessible; U = unknown
NYC-WTC 000113716
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