NYC 9/11 Public Portal Document
• 1) 1) • Mnrhnniral Exhaust System Visual Insneetinn Fnrm Pagel of 1
Mechanical Exhaust System Identification:
Location: Area Served:
Associated mechanical room: clean Y N dry Y stored chemicals!refuse
N Y N
Surface Component
System Components Dust! \NTC t not
[NOTE:_if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust present
indicate in last column] Present? Present? not
found
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y N (explain): ~'
louvt s ,grates and/or screens N(~
outside air duct
outside air damper(s) !V P
Exhaust fan unit:
blower assembly incl. blower wheel, housing, air vanes, in-line noise
attenuators
blower housing acoustical lining nJ
vibration collars N
Exhaust air distribution:
Exhaust air ducts Est total In ft $P No. locations
inspected
Specify type (circle): eta fibrous class lined metal masonry fibrous class board
flex-duct wood
Accessible in-line fire dampers Est. total gty 7 No. locations inspected 0
Accessible turning vanes Est. total gty No. location_ inspected NP
Exhaust air grilles Est. total No. locations inspected 0 T
Other (specify):
Other Information:
o -r -160iJ (>
General impression (indicate recommendations for cleaning based on finding of \VTC dust):
W -T-L ç i • N o c", - r . c t_ EAR✓t'J (~ tS G oC2 n '»1J ,
KEY: NP — not present; NF = not found; I = inaccessible; U = unknown
NYC-WTC 000133927
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