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HVAC consulting services invoice, NYC WTC site, 2003

Machine-extracted title · confidence 95%

Invoice for HVAC consulting services provided at the World Trade Center site in 2003.

NYC-WTC_000135339–000135553
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Scanned page image, NYC-WTC_000135506
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NYC 9/11 Public Portal Document oysieul visual inspection Form I Ventilation Cvstem Ttinnt.fir~* .. Page 1 of 2

Associated mechanical room: clean V Y -*- A a Fi-ooes I N N stored als/refuse Y✓ N System Components Component [NOTE: If component not present (NP), not found (Ni) or Dust! WTC • not present indicate in last column] inaccessible (1) please Debris Dust • not found Present? Present? • inaccessihie

Accessible for inspection? Y__ N____(explain):

- louvers, grates and/or screens - outside air duct - outside air damper(s) Air handling unit: outside air nixing chamber filter rack(s) filter media - blower assembly incl. blower wheel, blower housing; air vanes, in-line noise attenuators blower housing acoustical lining pre-heat coils heating coils ti f f - cooling coils r1i - re-heat coils N - condensate drain pan r - supply air plenum - Supply air plenum damper(s) - vibration collars . ti Supply air distribution: y N - Supply air ducts Est. total In ft 3 UL- _ No. Iocations inspected Specify type (circle): et Brous lass ea me masonry fibrous class board

- 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 Est. total qty No. locations inspected - Supply air diffusers Est. total gty_2t_ No. locations inspected__ Return air distribution: - Return air ducts Est. total In ft t0 No. locations inspected_ 2. Spey type (circle): us a s rgasonrr orb ous Blass board e flex-duct Return air plenum Est. total RA plenum areas j - 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 1 No. locations inspected I

NYC-WTC 000135506

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NYC-WTC_000135506Source: NYC Law Department, mirrored locally

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