NYC 9/11 Public Portal Document
i2 Mechanical Exhaust System Visual Ins ection Form
Mechanical Exhaust System Identification: Page l of 1
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Location: _ _ Area Served:
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• Associated mechanical room: clean I Y N dry Y N
stored chemicals/refuse Y 7 N
System Components Surface Component
(NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Dust/ WTC not
Debris Dust present
indicate in last column(
Present? Present? ~ not
found
Exhaust air outlet: Location: inaccessible
Accessible for inspection? Y/N (explain): y
louvers, grates an&or screens
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly Incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars
Exhaust air distribution: N '
Exhaust air ducts Est total In ft V No, locations
inspected „Z
Specify type (circle): metal fibrous glass lined metal masonry fibrous class board A
flex-duct wood
Accessible in-line fire dampers Est. total gty No, locations inspected
Accessible turning vanes Est. total No. locations inspected N
Exhaust air grilles Est. total _
No. locations inspected N ——'
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based
on finding of WW'TC dust):
[KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000130407
OCR can misread numbers and units. Confirm readings against the page image before using them.