NYC 9/11 Public Portal Document
22 117echanical Exhaust System Visual Ins ection
Form Page 1 of I
Mechanical Exhaust S stem Identification: t ()
Location: nn Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals,'refuse Y N
System Components Surface
Dust/ WTC Comp onent
(NOTE: if component not present (NP), not found (NF) or inaccessible not
(1) please Debris Dust present
indicate in last column]
Present? Present? ~ not
found
Exhaust air outlet: Loca tion: inaccessible
Accessible for inspection? YV1 N (explain):
/
louvers, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit: NQ
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected
Specify type (circle): metal fibrous ¢lass lined metal masonry fibrous class board
flex-duct wood / //
Accessible in-line fire dam ers Est. total ry i2 No. locations ins ected
Accessible turning vanes Est. tota l No. locations inspected
Exhaust air grilles Est. total gty No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on
finding of WWTC dust):
W TL `J(ASi 1"o~.t ND N S `fS~E ~ S ~ CO /
I KEY: NP = not present; NF = not found; I = inaccessible;
U = unknown
NYC-WTC 000113723
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