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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_000135486
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NYC 9/11 Public Portal Document ~. MA .16.,.uauuss a •s stem visual Inspection Form Ventilation System Identification: Page 1 of 2

Location: yT Area Served: MAaj Obit — p '$ EM T o .t O Associated mechanical room: clean S`>•o Y N dry Y N stored chemicals/refuse Y✓ N System Components Surface Component [NOTE: if component not p resent .(NP), not found (NE) or Dust/ WTC • not present indicate in last column] inaccessible (n please Debris Dust • not found Present? Present? • inateesaihts

Accessible for inspection? Y1/ ' 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 housing, air vanes, in-line noise attenuators - blower housing acoustical lining Ei - pre-heat coils -heating coils - cooling coils - re-heat coils hi - condensate drain pan — supply air plenum — supply air plenum damper(s) N — vibration collars iJ — Supply air ducts Est. total In ft 160 No. locations inspected_ —__ Specify type (circle): eta fibrous glass lined meta m oruv fibrous classbard flex-d c wrote • — Accessible in-line fire dampers Est. total qty No. locations -Accessible turning vanes Est. total qty No. locations - In-line reheat/cooling coils Est. total qty No. locations - Supply air diffusers Est. total qty • No. locations Return air distribution: urn air4 ucts Est. total In ft No. locations inspected cify type (circle): ne fibrous glass lined metal masotuy fibrous class board flex-duct wood F -Return air plenum Est. total RA plenum areas ______ No. locations inspected N? - 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 gty No. locations inspected - Return air grilles Est. total qty No. locations inspected

NYC-WTC 000135486

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NYC-WTC_000135486Source: NYC Law Department, mirrored locally

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