NYC 9/11 Public Portal Document
2.2 • Mechanical Exhaust System Visual Inspection Form Page] of I
Mechanical Exhaust System Identification: C
Location: n r
Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals'refuse Y N
Surface Component
System Components Dust/ W1TC not
(NOTE: if component riot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
k
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y/N (explain): `f
louvils, grates andfor screens
outside air duct
outside air damper(s) f
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars tiJ
Exhaust air distribution:
Exhaust air ducts Est total In ft ..L 0 No. locations
inspected_
Specify t}pe (circle): ^ta fibrous 21355 lined metal masonry fibrous clam board 7
///
flex-duct ~ti• o
Accessible in-line fire dam ers Est. total aty No. locations ins ected
Accessible turning vanes Est. total qty No. locati' nt insecteL 1 r.!
Exhaust air grilles Est. total q J No. locations inspected ,_
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of WTC dust):
KEY: NP = not present; NF = not found; I - inaccessible; U = unknown
NYC-WTC 000135926
OCR can misread numbers and units. Confirm readings against the page image before using them.