NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Tnsnpetinn Pnrm. In,.__ 1
Mechanical Exhaust S ystem'Identification:
Location: Area Served:
(Oc) r-
Associated mechanical room: clean Y N dry Y stored chemicals/refuse
N Y N
Surface Component
System Components Dust/ %N7C
[NOTE: if component•tibt present (NP), not found (NF) or inaccessible (I) please Debris Dust
4 not
present
indicate in last column) S
Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y__/' N (explain):
Iou'4 s, grates and/or screens n~
outside air duct
outside air damper(s) P
Exhaust fan unit: ,u p
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars NP
Exhaust air distribution:
Exhaust air ducts Est total In ft______________ No. locations
inspected
Specify type (circle): (, jjj fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dam ers Est. total t -7 No. locations ins ected
Accessible turning vanes Est. total N'o. locations inspected ~•/(2
Exhaust air rilles Est. total No. locations ins ected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of !1'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000132735
OCR can misread numbers and units. Confirm readings against the page image before using them.