HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document --- v--W.wa V casaaataaaVn aysiem VISIIa1 Inspection Form I Ventilntinn Svctem Tdf-nfifir,,f,n,. Page 1 of 2

i r n r Area Served: ALL - i-pL Associated mechanical room: clean~Y N dry Y N stored cheniicals/refuse Y~N System Components Surface Component [NOTE: If component notpresent (NP), not found (NF) or Dust/ WTC • not present p inaccessible (1) please Debris Dust indicate in last column] • not found Present? Present? Outside air intake: • Inaccessible Location: Accessible for inspection? Y/N (explain): — louvers, grates and/or screens — outside air duct — outside air damper(s) Air 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 f\e — condensate drain pan — supply air plenum — supply air plenum damper(s) — vibration collars .

— Supply air ducts Est. total In ft_________ No. locations inspected 3 Specify type (circle): i et ~; brows lass. ed me mcsoy fibrous •lass board ex-duct fl — Accessible in-line fire dampers Est, total qty No. locations inspected — Accessible turning vanes Est total qty No. locations inspected___ — In-line reheat/cooling coils Ea total qty - No. locations inspected — Supply air diffusers Est, total qty_2 No. locations inspected,_ Return air distribution: — Return air ducts Est. total in ft tO No. locations inspected 2- Spey type (circle): as 1~a IIN OS us alas board flex-duet — Return air plenum Est. total RA plenum areas L _ No. locations inspected_ — Return 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 qty No. locations inspected —Return air grilles Est. total qty i No. locations inspected i

NYC-WTC 000135506