HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document 2.1 Central Venililatin Form 1 oft

Associated mechanical roam: dean Y dry. N YN stored chemicals/refins y N System Components INOTE: If component n(:t present (NP), not Dust/ Indicate in last co#utanj found (NF) or inaccessible (I) Please • II0t Present Debris Dust Pam., • not loud Pram? • if~gcceacnila

Accessible for inspections y N ( ):

— Iouvers, grates and/or screens — outside air duct — outside air damnerfm

— outside air mixing cha:nber — filter rack(s) — fihtermedja — blower assembly Incl. 'slower wheel, blower ho air vanes, inline noise attenuators — blower housing acoust :al lining — preheat coils — heating coils cooling coils re-heat coils — condensate drain pan — supply air plenum - pply air nlemim dmr, i.I' — vibration collars Supply air distribution: — Supply air ducts Est. to al In ft . ~-. _{~J No. locations inspected O 1 Specify type (cirele)(e bTous sIass lnaed sous ass board

— Accessible in-line fire dan .pars Eat. total qty Z No. locations inspected — Accessible turning vanes Est total qty No, Locations Inspected — Inaizie reheat/cooling coils Est, total qty No. locations inspected' — Supply air diffusers Est total qty 2 Return air djodbution. No. locations ins~cted 2 -" Retnrn air ducts Est. tot In fi y No. loc ons inspected 1. Specify type (ale): fibrousParr1 H,ie4 ,p4J MnagiaasW

— Return air plenum Eat. total RA plenum areas _ No. locations inspected 1 — Return air plenum damper Est. total qty ----- No. locations inspected — Accessible in-line fire dai:ipers Est, total qty No. locations inspected--" — Accessible turning vanes Est. total qty No. locations inspected — Return air grilles ---- Eat- total qty No. locations inspected___

NYC-WTC 000135409