NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust Svstem Vicnal Tncnp,. H,m rd%vr„ n___ ,.
Mechanical Exhaust System Identification:
Locatiop: ^
Associated mechanical room: clean Y N
Area Served:
dry
'
Y
' f N
stored chemicals/refuse Y. N
Surface Component
System Components Dust/ WTC ~ not
INOTE:.if component tint present (NP), not found (NF) or Inaccessible (I) please Debris Dust present
Indicate in last column] Present? Present?
4 not
found
Inaccessible
Exhaust air outlet: Loc tion:
Accessible for inspection? Y/N (explain:
P ) `
c .
louvt s, grates and'or screens
outside air duct N
outside air damper(s) Nn
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise `1
attenuators 7
blower housing acoustical lining N P
vibration collars n
Exhaust air distribution:
Exhaust air ducts Est total In ft O No. locations
inspected_ e •
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board
fle>-duct •ood
Accessible in-Iine fire dam ers Est. total No. locations ins cted
Accessible turning vanes Est. total gty No. locations inspected ,J P
Exhaust air illes Est. total No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of NN'TC dust):
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000132745
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