NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual lnsneetinn Fnrm D.ano 1 .,f 1
Mechanical Exhaust System Identification:
Location: Area Served: /
Lvw..FlL {tdaf ~[T~ C E•1o~ •
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC i; not
[NOTE: if component itot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y / N (explain):
louve s, grates and/or screens n/
outside air duct
outside air damper(s)
')
Exhaust fan unit: '
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining p
vibration collars
Exhaust air distribution: .
Exhaust air ducts Est total In ft No. locations
inspected 2_.
Specify type (circle): meta fibrous glass lined metal masonry fibrous class board /✓
flex-duct wood
Accessible in-line fire dam ers Est. total No. locations ins ected N
Accessible turning vanes Est. total No. locations ins ected nl
Exhaust air grilles Est. total gty I No. locations inspected Al
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WWTC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132781
OCR can misread numbers and units. Confirm readings against the page image before using them.