NYC 9/11 Public Portal Document
2.2 ' Mechanical Exhaust System Visual Insnectinn Farm Po p 1 e%f 1
Mechanical Exhaust System Identification: C
Location: Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals/refuse
N Y N
Surface Component
System Components Dust, \VTC 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: Location:
Accessible for inspection? Y Y N_ . (explain}:
louv* s, grates and/or screens Is)
outside air duct n.1
outside air damper(s) (%)
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators •
'blower housing acoustical lining IV
vibration collars
Exhaust air distribution:
Exhaust air ducts Est total In ft £ 1 o
No. locations
inspected
Specify type (circle): meta fibrous Blass lined metal
lf ea-duct wood
masonry fibrous Blass board
1 1¼!
Accessible in-line fire dam ers Est. total ty No. locations ins ected tV i
Accessible turning vanes Est. total t • No. locations inspected __
Exhaust air rilles ' Est. total No. locations ins ected ^l...
Other (specify):
Other Information:
General impression (indicate recoriimendations for cleaning based on finding of \VTC dust):
I i
i
•
KEY: NP = no present; NF = not found; I. = inaccessible; U = unknown
NYC-WTC 000132786
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