NYC 9/11 Public Portal Document
2.1 Central Ventilation System Visual Inspection Form Page 1 of 2
Ventilation System Identification: L.
Location: Area Served: 2
L J rb
Associatedmechanical room: clean Y N Y N stored chemicals/refuse Y N
Surface Component
System Components . Dust/ WTC 4 not
[NOTE: if component riot present (NP), not found (NF) or inaccessible (I) please Debris Dust present
indicate in last column] Present? Present? not
found
4
inaccessible
Outside air intake: Location:
Accessible for inspection? Y N (explain): n
louver, grates and/or screens ' sl
outside air duct N
outside air damper(s) P
Air handling unit:
outside air mixing chamber p.1P
filter rack(s) n1
filter media 0 nJ
blower assembly incl. blower wheel, blower housing, air vanes, in-line.
noise attenuators
blower housing acoustical lining N
pre-heat coils 1.1
heating coils N ()
cooling coils
re-heat coils i'
condensate drain pan
supply air plenum
supply air plenum damper(s) A
vibration collars ,.! P
Supply air distribution:
Supply air ducts Est. total In ft No. locations inspected
Specify type (circle): meta fibrous glass lined metal. masonry fibrous glass board t~ N
flex-duct wood
Accessible in-line fire dam ers Est. total No. locations ins ected N.
Accessible turnin vanes Est. total No. locations ins ected Al
In-line reheat/coolin coils Est. total No. locations ins ected r,J
Supplyair diffusers Est. total No. locations ins ected A/
Return air distribution:
Return air ducts Est. total In ft t.( No. locations inspected
Specify type (circle): etal fibrous glass lined metal masonry fibrous glass board
flex-duct wood
Return air plenum Est. total RA plenum areas ( No.
locations ins ected -T- K)
Return air plenum damper Est. total qty No. locations
inspected
Accessible in-line fire dampers Est. total qty No.
locations ins ected p
NYC-WTC 000132761
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