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: K .N E•1I
Associated mechanical room: clean Y N dry Y stored chemicals/refuse
N Y N
Surface Component
System Components Dust/ WTC 4 not
[NOTE:.if component not 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: Location:
Accessible for inspection? Y N (explain):
louve s, grates and/or screens
outside air duct N
outside air damper(s) A/
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
A/
attenuators
blower housing acoustical lining AJ n
vibration collars NP
Exhaust air distribution:
Exhaust air ducts Est total in ft No. locations
inspected off--
Al
Specify type (circle): meta fibrous class lined metal masonry fibrous class board (
flex-duct wood
Accessible in-line fire dam ers Est. total No. locations ins ected
Accessible turning vanes Est. total gty No. locations inspected /J
Exhaust air illes Est. total No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of «'TC dust):
KEY: NP not resent; NF = not found; I Q inaccessible; U e
unknown
NYC-WTC 000135924
OCR can misread numbers and units. Confirm readings against the page image before using them.