NYC 9/11 Public Portal Document
2.2 • Mechanical Exhaust System Visual Inspection Form Pape 1 of 1
Mechanical Exhaust System Identification: 4k 31
Location: • Area Served:
Associated mechanical room: clean Y N dry Y N
stored chemicals!refuse Y K
• Surface Component
System Components S Dust/ \\TC 4 not
INOTE:.if component-not present (NP), not found (NF) or inaccessible (I) please Debris Dust •present
indicate in last column) Present? Present? not
t
found
inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y I N (explain):
louv~ s, grates and/or screens n/
outside air duct ^J
outside air damper(s) ni p
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators iJ
blower housing acoustical lining
vibration collars Np
Exhaust air distribution:
Exhaust air ducts Est total In•ft No. locations
inspected
Specify type (circle): metal fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dam ers Est. total ty 7 No. locations ins ected 0
Accessible turning vanes Est. total gty No. locations inspected P
Exhaust ait rilles Est. total ty 7 No. locations ins ected
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 000133956
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