NYC 9/11 Public Portal Document
2.2 ! Mechanical Exhaust System Visual Insneetinn Fnrm P, n1 rf1
Mechanical Exhaust System Identification:
Locatiop:' r
Area Served:
i c7 —
Associated mechanical room: clean Y N dry Y N
stored chemicals/refuse Y N
Surface Component
System Components Dust! WTC >;
not
[NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
4
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y N (explain):
7 ic,)
louvers, grates and/or screens r (V
outside air duct N
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining to
vibration collars
Exhaust air distribution:
Exhaust air ducts Est. total In ft No. locations
inspected
Specify type (circle): eta_ fibrous glass lined metal masonry fibrous glass board Al
flex-duct wend
•
Accessible turnin vanes Est. total No. locations ins ected NP
Exhaust air grilles Est. total gty 2 No. locations inspected 0 2
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning.based on finding of WTC dust):
4
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000133774
OCR can misread numbers and units. Confirm readings against the page image before using them.