NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1
Mechanical Exhaust System Identification:
Location: , , ~► . Area Served:
~ L e
Associated mechanical room: clean Y N dry Y stored chemicals/refuse
N Y N
• Surface Component
System Components . Dust/ WTC 4 not
[NOTE: If component not present (NP), not found (NF) or Inaccessible (I) please Debris Dust present
Indicate In last column) Present? Present? 4 not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y IN (explain):
louvers, grates and/or screens Al
outside air duct
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise Pj
attenuators
blower housing acoustical lining n1
vibration collars
Exhaust air distribution:
Exhaust air ducts Est; total In ft 1.50 No. locations
inspected )
Specify type (circle): etal fibrous ¢lass lined metal masonry fibrous glass board
flex-duct wood t
acrd:~ 1' f--P darrn+erc Est. total ow No. lac?•:^ si sect-4 _ _..
Accessible turning vanes Est. total gty No. locations inspected
Exhaust air grilles Est. total gxy I if No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of «'TC dust):
KEY: NP = not present; NF = not found; I = Inaccessible; U unknown
NYC-WTC 000135935
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