HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document YGogU tT1 Form 1 oft D lt .6 Area Seryl - Sorfl H ' Associated mechanical room: clean Y N dryer Y N stored chemicaislr System Components Y (NOTE: if component nct present saritsce (NP), net found (N+.F) or indicate in last cotumnj Outside air intake; Location: inaccessible (1) please Debr>s Present? Eat? not present • not found • ifi9crnod sL

Accessible for inspection' Y N ( ):

Iouvers, grates and/or screens - outside air duct N outside air damneri

L - outside air mixing cha;ni~er -- --- filter rack(s) - filter media - blower assembly inci. :,lawer wheel, blower housing, air vanes,in-line - blower housing acoustj al noise attes tors lining - pre-heat coils - heating coils cooling coils tip - re-heat coils condensate drain pan - supply air plenum supply air plenum dampers) -vibration collars P ` Supply air ducts Est. tc aI In ft O No. locations inspected o5 Spey type (circle): . a s s---' ms sla mes board

— Accessible in-line fire dan.pers Est total N - Accessible turning vanes q'-----_ No. locations inspec Est. total q_4 No. locations inspected C~ - In-line robeat/c poling coils Eat total , No. locations inspected - Supp~ air diffusers Eat total qty---1--- .j No. locations inspected 3 Return air dfstribution.. _ Return air ducts F.st. total In S ;~ No. locations inspected Pa* type (circle): Y .' te_a~ assbo~8

- air plenum Eat 3ota1 RA plenum areas No. Iocatlons inspected /v - Retum tiv plemmt d~ Pe Est, total city cesstble in-line 8re dat;ipe No. locations inspected Est total qty --. — Aecpc~;l,t~ ..-- No. locations msbantr i .WWlll' arses --- total qty - Return air mines No. locations iwspe<-ted Est. total qty j No. locations inspected I

NYC-WTC 000135417