NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Tnsnpetinn Pnrm ti,,..., 7 _r,
Mechanical Exhaust System Identification:
Location': Area Served:
v tr
Associated mechanical room: clean Y N dry Y N stored chemicals'refuse Y N
Surface Component
System Components Dust/ WW'TC not
INOTE:.if component 'tot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in Iast column] Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y/N (explain): ~'
louv~' s, grates and/or screens A/
outside air duct
outside air dam er(s) N
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining NP
vibration collars Nn
Exhaust air distribution:
Exhaust air ducts Est total In ft O No. locations
inspected
Specify type (circle): etal fibrous class lined metal masonry fibrous class board
ex-duct jvood
Accessible in-line fire dam ers Est. total ty -7 No. locations ins ected O
Accessible turning vanes Est. total gty No. locations inspected /p
Exhaust air grilles Est. total gty 7 No. locations inspected () Z
Other (specify):
0
Other Information:
General impression (indicate recommendations for cleaning based on finding of WW'TC dust):
' rrc QU S'+ t aja S' c~,.ii . CL , j 6 OF- `S w^' ~S corcrc
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132732
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