HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document wa r ~aantraimn • Stem V aJ I of 2 --- Associated mechanical ro,)'m: dean .y N d'~ 1' N stored chemjC& Y System Components INOTE: If component nct present --.....rUMLQL (NP), net found (NE)or Deaf/ ~VT'C isrdlcate in last coumn] inaccessible (1) please Dew • not pn"M Dam • not found Present? j Present? • ii~9crnedi.fe

Accessible for inspections Y N_,__(explain): Iouvets, grates and/or screens — outside air duct N outside air damper(s)

[_ outside air mixing cba;nber filter rack(s) — filter media — blower assembly inci. :lower wheel, blower air vanes, in-line noise — blower housing acoust'^al attenn_ators lining — pre-heat coils — heating coils — cooling coils — re-heat coils Condensate drain pan amply air plenum — supply, air plenum damper(s) — vibration collars

` Supply air ducts Est. tc ni In ft O No. locations inspected oS Spey type (circle): . s s . X 1 ts board

— Accesssble in.line fire dan..pers EsL total qty_~~ — Accessble Ivo. locations Est total qt3'_ _ No. Ioc :dons — In-line reheat/c~oling coils Est total qty No. locations ` S Yy air diffusers Est total qty 1 No. locations Return air dfstrthntt.~,.. --~_ ` Return air duns Est total in R ;Z No. locations inspected Specify type (circle): Y ) flM9 . ~_-- ass boer8 — Return air plenum Est total RA plenum areas — Return pleman No. Locations damper Est. total qty' " am ble in-line are dar:i ~------- No. locations inspected P Est total qty — Accesuble turning vanes No. locations --_ Est total qty ---- eturri sir grill cst total qty I LW. locations inspected I

NYC-WTC 000135417