HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document ~~•••• 4• . c•aaua.,u„ .7 seem visual Inspection Form Ventilation System Identification: Page 1 of 2

Location: ~- Area Served: MAaj ob&4—f %boR ACMc,tt oP.4..t 0 Associated mechanical room: clean 5io Y N dry Y N stored chemicals/refuse Y✓ N System Components Surface Component [NOTE: if component not present.(NP), not found (NF) or Inaccessible (1) • not present indicate in last column] please Debris Dust • not found Present? Present? • Outside air Intake: Location: inaccessibk

Accessible for inspection? Y_i/'N (explain): — louvers, grates and/or screens -, _, outside air duct — outside air damper(s) Ur handling unit: outside air mixing chamber filter rack(s) — filter media — blower assembly incl. blower wheel, blower air vanes, in-line noise attenuators — blower housing acoustical lining — pre-heat coils —heating coils — cooling coils — re-heat coils — condensate drain pan —supply air plenum — supply air plenum daml N — vibration collars

— Supply air ducts Est. total In ft 16D No. locations inspected Q. type (circle): eta bfi us glass line ) masony fibrous class board fLex-d c ww~ • — Accessible in-line fire dampers Est. total qty—_.,- No. locations - Accessible turning vanes Est. total qty No. locations — In-line reheat/cooling coils Est. total qty_ No. locations — Supply air diffusers Est. total qty__,, No. locations Return air distribution: — Return air~iucts Est. total In ft No. locations inspected Specify type (circle): !fl ] fibrous glass lined metal masonry fibrous g ass board flex-duct ww — Return air plenum Est. total RA plenum areas_ N No. locations inspected — Retum air plenum damper Est. total qty No. locations inspected — Accessible in-line fire dampers Est. total qty No. locations inspected — Accessible turning vanes Est, total gty No. locations inspected — Return air grilles Est, total qty No. locations inspected___

NYC-WTC 000135486