NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form
Mechanical Exhaust System Identification: Page 1 of I
Location:
n — Area Served:
Associated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
S~ stem Components Surface Component
Dust/ WTC l; not
[NOTE: if component not present (NP), not found (NF) or
inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
inaccessi ie
Exhaust air outlet: Location:
Accessible for inspection? Y 1 ' N (explain):
louvers, grates and/or screens
N
outside air duct
outside air damper(s)
Exhaust fan unit: N
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators n f
blower housing acoustical lining
vibration collars N
-
Exhaust air distribution: IV D
Exhaust air ducts Est total In ft- i 2..ü No. locations
inspected_
Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board Al
flex-duct wood
Accessible in-line fire dampers Est. total qty 1 2. No. locations inspected
Accessible taming vanes Est. total q No. locations inspected
Exhaust air grilles tiP
Est. total No. locations inspected
Other (specify):
Other Information:
No ti vJ0 2%4'►a 6
General impression (indicate recommendations for cleaning
based on finding of 1''TC dust):
KEY: NP = not NF = not found; I =inaccessible; U = unknown
NYC-WTC 000133668
OCR can misread numbers and units. Confirm readings against the page image before using them.