NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual inspection Form
Mechanical Exhaust System Identification: I of I
Location:
Area Served:
Associated mechanical room: clean_Y N dry Y N stored chemicals/refuse Y
System Components Surface Component
)NOTE: if component not present (NP), not found (NF) or WTC t; not
inaccessible (I) please Debris Dust
indicate in last column) present
Present? Present?
4 not
found
E
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y._LN (explain):
louvers, grates and/or screens
hJ
outside air duct
outside air damper(s) nJ
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air
vanes, in-line noise
attenuators
tj
blower housing acoustical lining
vibration collars A)
Exhaust air distribution: nJ
Exhaust air ducts Est total In ft_ 2_i7 No. locations
inspected I
Specify type (circle): metal
flex -duct
fibrous ¢lass lined metal
wood
masonry fibrous Mass board
Y I"
Accessible in-line fire dampers Est. total q ),2 No locations inspected C
Accessible turning vanes __ .Est. total gN No. locations inspected
Exhaust air illes Est. tota l qty i`~ No locations inspected 0
Other (specify):
Other Information:
General impression (indicate recommendations for
cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I = Ina
U = unknown
NYC-WTC-000113728
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