NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection
Form
Mechanical Exhaust System Identification: ff!S rt 1 j ..; 2 N Page 1 of 1
Location: tJ
S1 c ,.i Area Served:
Associated mechanical room: clean Y N dryJ Y N stored chemicals/refuse y
System Components Component
[NOTE: if component not present (NP), not found Dustl WTC
(NF) or inaccessible (1) please 1, not
indicate in last column] 7De ub Dust present
Present? not
found
Exhaust air outlet: Location: inaccecsihtr
Accessible for inspection? Y ✓ N (explain):
louvers, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly inci. blower wheel, housing,
air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft l0 No. locations
inspected_
7 I ^~
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
flex -duct od
Accessible in-line fire dampers Est. total qty No. locations
Accessible turning vanes Est. total qty No. locations
Exhaust air grilles Est. total q /V
No. locations
Other (specify):
Other Information:
I General impression (indicate recommendations for
cleaning based on finding of I~'TC dust):
KEY: NP = not present; NF = not found; I =
inaccessible; U = unknown
NYC-WTC 000133766
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