NYC 9/11 Public Portal Document
2.2 Mechanical Exhaust System Visual Inspection Form Pare I of I
Mechanical Exhaust System Identification: 2.9
Location? Area Served:
4ssociated mechanical room: clean Y N dry Y N stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC 4 not
[NOTE: if component trot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
4
Inaccessible
Exhaust air outlet: Location:
Accessible for inspection? Y ~// N (explain): '`
louvers, grates and/or screens
outside air duct f.J
outside air 7p.1
damper(s)) 7 p.1 --
Exhaust fan unit:
.
blower assembly incl. blower wheel, housing, air vanes, inline noise
attenuators N
blower housin acoustical limn
vibration collars
Exhaust air distribution:
Exhaust air ducts Est. total In ft I 2..t..) No. locations
inspected . t
Specify type (circle): et i fibrous glass lined metal masonry fibrous glass board `/ N
cx-du t
Accessible in-line fire dampers Est. total gty i No. locations inspected 0
Accessible turning vanes ' Est. total gty No. locations inspected A
Exhaust air grilles Est. total gty If No. locations inspected
Other (specify):
Other Information:
General impression (indicate recommendations for cleaning based on finding of \VTC dust):
/\io w TC I L1
V
KEY: NP = not present; NF = not found; I = Inaccessible; U = unknown
NYC-WTC 000134636
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