NYC 9/11 Public Portal Document
2.2 , Mechanical Exhaust System Visual Inspection
Form Page 1 of I
Mechanical Exhaust System Identification:
Location:
Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
System Components Surface Component
]NOTE: if component not present (NP), not found (NF) or WTC not
inaccessible (1) please Debris Dust
indicate in last column] present
Present? Present? not
found
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y
louvers, grates and/or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing. air vanes,
in-line noise
anenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft ) No. locations
inspected ]
Specify type (circle): metal fibrous class lined metal masonry fibrous glass board
flex-duct og od
Accessible in-line fire dampers Est total gty ,2 No locations inspected
Accessible turning vanes Est. total qty No. locations inspected
Exhaust air grilles Est. total gty 12 No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning
based on finding of \1'TC dust):
I KEY: NP = not present; NF = not found; I =
inaccessible; U = unknown
NYC-WTC-000113720
OCR can misread numbers and units. Confirm readings against the page image before using them.