NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page] of I
Mechanical Exhaust System Identification:
Location: {4 Area Served:
4L00 -
Associated mechanical room: clean Y N dry Y N stored chemicals'refuse Y N
Surface Component
System Components Dust/ \\7C . 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
inaccessible
Exhaust air outlet: tion:
Accessible for inspection? Y 7~_(explaip):
louv1 s, grates and/or screens N P
outside air duct
outside air damper(s) n!
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
N
attenuators
blower housing acoustical lining n!O
vibration collars Np
Exhaust air distribution:
Exhaust air ducts Est total In ft ~d No. locations
inspected l
Specify t)pe (circle): tat fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected t
Accessible turning vanes Est. total gty No. locations ins~e ted
Exhaust air grilles Est. total gty 7 No. locations inspected C)
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 000133932
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