NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust Svstem Visual Insnectinn Fnrm Dann 1 ..c,
Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals'refuse Y N
Surface Component
System Components Dust! WIC not
]NOTE:,if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? E not
found
• Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y I/ N (explain):
L
low.- s, grates and!or screens p
outside air duct qJ
outside air damper(s)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators `
blower housing acoustical lining N
vibration collars ,vp
Exhaust air distribution:
Exhaust air ducts Est total In ft 'O No. locations
inspected ( _
• Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board
flex-duct good
Accessible in-line fire dampers Est. total gtyqty No. locations inspected
Accessible turning vanes Est. total No. lorati'nr inspected ^/p I
Exhaust air rilles
Other (specify):
Est. total ty 7 No. locations ins ected 6
Other Information:
General impression (indicate recommendations for cleaning based on finding of \l'TC dust):
KEY: NP = not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133949
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