NYC 9/11 Public Portal Document
• 2.2 Mechanical Exhaust System Visual inspection Form
Mechanical Exhaust System Identification: Page 1 of
Location:
Area Served:
►~~ tLe~l ,,
Associated mechanical room: clean
21
Y N dry Y N
stored chemicals/refuse Y N
System Components Surface Component
)NOTE: if component not present (NP), not found (NF) or Dust/ WTC not
inaccessible (I) please Debris Dust present
indicate in last column)
Present? Present?
4 not
found
4
Exhaust air outlet: Location:
Accessible for inspection? Y V" N (explain):
louvers, grates and/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:
Exhaust air ducts Est total In ft c2 No. locations
inspected I
Specify type (circle): meta fibrous class lined metal masonry fibrous glass board
flex-duct wood
Accessible in-line fire dampers Est. total qty No locations inspected
Accessible turning vanes A)
Est. total gty No locations inspected
Exhaust air grilles Est. total qty ) No. locations inspected
Other (specify):
Other Information:
.,.•.~. a, i.iipi c35iun tinutcate recommendations for
cleaning based on finding of WTC dust):
KEY: NP = not NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133661
OCR can misread numbers and units. Confirm readings against the page image before using them.