Ventilation system evaluation form, WTC site

NYC 9/11 Public Portal Document

2.1 1 Central Ventilation S stern Visual inspection Form Page 1 of 2 J.WA<— Ventilation System Identification: I_'-,' n J Location: Area Served: ACS 1_0 is Associatedmechanical room: clean V Y N Y N stored chemicals/refuse Y N System Components Surface Component f NOTE: If component riot present.(NP), not found (NF) or inaccessible (1) rDusU i «TC l; not please Debris Dust present indicate in last column) Present? Present? not found

Outside air Intake: Location: Inaccessible

Accessible for inspection? Y N (explain): iJp louve s, grates and/or screens outside air duct n N outside air damper(s) s Air handling unit: N outside air mixing chamber N filter rack(s) 1_I filter media blower assembly incl. blower wheel, blower housing, air vanes, in-line t_ noise attenuators it blower housing acoustical lining Al re-heat coils N heating coils cooling coils ` ,~ re-heat coils N condensate drain pan Al supply air plenum supply air plenum damper(s) vibration collars ' p Supply air distribution: - NQ Supply air ducts Est. total In ft No. locations inspected Specify type (circle . in fibrous glass lined metal rnason fibrous glass board ex-duct wood Y Accessible in-line fire dampers Est. total gty No. locations inspected Accessible turning vanes N .Est. total gty No. locations inspected In-line reheAt/cooling coils Est. total gty No: locations inspected Supply air diffusers N Est. total No locations inspected Return air distribution: Al Return air ducts Est. total In R No. locations inspected ! Specify type (circle)• metal fibrous glass lined metal masonry fibrous -glass board ex-duct wood C Return air plenum Est: total RA plenum areas No. locations ins ected . Return air plenum damper Est. total qty No. locations inspected • Accessible Li-li=te fire dampers Est. total riy No. n locations inspected N t_

NYC-WTC 000131912