HVAC consulting services invoice, NYC WTC site, 2003

NYC 9/11 Public Portal Document 2.1 Central Ven,l:sass~ Form 44 rteI

A - ~( SeaT D J~ Area SerVc

Associated mechanical roam: clean~Y N t ;? iON• ~3'~y N stored Y N System Components [NOTE: If component nct present Du Component (NP), not found (NF) or WTC • not present Indicate in last column] inaccessible (I) please Debris Dust Present? • not fowid Present? • 1eaefti.4 L.

Accessible for inspections Y _ N (explain): — louvers, grates and/or screens — outside air duct — outside air dantnerre,

— outside air mixing cha;nber — filter rack(s) — filter media — blower assembly incl. ':dower wheel, blower housing,air vanes, in--line — blower housing acoust a1 lining noise attenuatms — pre-heat coils — heating coils — cooling coils N — re-heat coils — condensate drain pan — supply air plenum y — supply air nlemnm i ' i-' y iJ — vibration collars y Supply air distribution: — Supply air ducts Est. to a1 In f 50 R No. locations inspected Specify type (circle): sous I ed m Y bus class board

— Accessible in-line fire dat noire Est, total cltY-. I No. locations inspected--- Accessible turning vanes S2_ Est total qty No. locations Inspected — In-line reheat/cooling -- s Est. total qty______ No. — Supply air di LSer locations inspected Est. total qty No. locations inspected 2. Return air distribution: --__. — Return air ddcros Est t 1 In R p No. locations Specify 13W (circle): ~b us ss8 net m —_

— Return air plenum Est total RA plenum areas No. locations inspected___t__ z — Return Air plenurr danipe• --j-- Est. total qty _ No. — Accessible in-line lire do*.tpers Est locations inspected total qty No. locations inspected — Accessible turning vanes total qty No. locations inspected — Retcun air Brines ---- total No. locationsi cte 1

NYC-WTC 000135407