NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Page l of I
Mechanical Exhaust System Identification: 1
Location: {~ Area Served:
Associated mechanical room: clean Y N dry Y stored chemicalsrrefuse
N Y T'
Surface Component
System Components Dust WIC not
I OTE:.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: Location:
t
Accessible for inspection? Z' Y I~ (explain): 'N
louviets. ¢rates and'or screens
outside air duct
_ outside air damper(s) 1
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est total In ft Li J No. Io:ations
inspected
Specify type (circle): me: f Brous eisss lined met_1 masonry fibrous class board y
ea-du t w
Accessible in-line fire dam ers Est. total tv No. locations ins ected
Accessible turning vanes Est. total ty ' To. to:stuns insnectet' Nip
Exhaust airgrilles Est. total gtv 2.t) No. locations inspected (j
Other (specify):
Other Information: ~^
General impression (indicate recommendations for cleaning based on finding of N17C dust):
KEY: NP = not resent; IMF a not found; I _ inaccessible; U _ unknown
NYC-WTC 000135939
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