NYC 9/11 Public Portal Document
2.1 Central Ventilation System Visual Inspection Form Page 1 of 2
Ventilation System Identification: Ai '4 -
Location: Area Served:
- -ft. P41
Associatedmechanical room: clean • Y N dry Y N
stored chemicals/refuse Y N
Surface Component
System Components Dust/ WTC 4 not
(NOTE: if component not present (NP), not found (NF) or inaccessible (1) please Debris Dust present
indicate; in last column] Present? Present?
4 not
found
inaccessible
Outside air intake: Location:
Accessible for inspection? Y'/ N (explain): fJ
louver's, grates and/or screens {`,r Al
outside air duct v N
outside air dam er(s)
Air handling unit:
outside air mixing chamber
filter rack(s) f..j :_
filter media t t=
blower assembly Incl. blower wheel, blower housing, air vanes, in-line ,
noise attenuators
blower housing acoustical linin 9N1
pre-heat coils
heating coils
cuolink cuih N
re-heat coils JP
supply air plenum N
supply air plenum damper(s) N
vibration collars N
Supply air distribution:
Supply air ducts Est. total In ft No. locations inspected
Specify type (circle)(metal rou s Iined metal asonr fibrous glass board
flex-duct woo
Accessible in-line fire dampers Est. total gty No. locations inspected >V 0
Accessible turnip vanes Est. total . 2.... No. locations ins ected !V
In-line reheat/cooling coils Est. total gty No. locations inspected ,v "
Supply air diffusers Est. total gry I2 No. locations inspected N :N
Return air distribution:
Return air ducts Est. total In ft No. locations inspected
Specify type (circle): metal fibrous class lined metal masonry fibrous glass board 0..i
flex-duct wood
Return air plenum Est. total RA plenum areas No.
locations ins ected
Return air plenum damper Est. total qty No. locations
inspected __
Accessible Ii,-line fire dampers Est. total qty No.
locations inspected
NYC-WTC 000130423
OCR can misread numbers and units. Confirm readings against the page image before using them.