NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Vic„al lincnprf;n., t.nrm
Mechanical Exhaust System Identification:
Location: nn • Area Served:
moo
Associated mechanical room: clean Y N dry Y N
stored chemicalstrefuse Y N
Surface Component
System Components Dust/ WTC
[\OTE:.if component•nbt present (NP), not found (NF) or inaccessible (I) please not
Debris Dust present
indicate in last column) Present? Present? not
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y_LAT (explain):
Iouvi1 s, grates and/or screens n)
outside air duct N
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining ?.J
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est total In ft No. locations
inspected__
Specify type (circle): metal fibrous ¢lass lined metal
flex-duct wood
masonry fibrous Blass board
Y f
Accessible in-line fire dam ers Est. total ty No. locations ins ected /~JP
Accessible turning vanes Est. total lib. locations inspected N
Exhaust air rilles Est. total Igo. locations ins ected 1\f
Other (specify):
Other Information:
_Tq'5 u";r ALSO -u-ir5 A' , t,~ a. f2.-.
General impression (indicate recommendations for cleaning based on finding of NNTC dust):
KEY: l\P = not resent; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132778
OCR can misread numbers and units. Confirm readings against the page image before using them.