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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_000135423
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NYC 9/11 Public Portal Document 6oL wecnanical Exhaust Syoiem Visual Inspection Form Mechanical Exhaust System Identification: HECHANICAL Location: EXHAUST FAN #1 MAIN ROOE Associated mechanical room: clean_ Y_ _N dryY_ System Components INOTE: if component not present (NP), not found (NF) or inaccessible (I) please indicate in last column] Exhaust air outlet: Location: Area Served LAUNDRY ROOH stored chemicals/refuse Surface Dust/ Debris Present? Y Accessible for inspection? Y_ N _(explain): - louvers, grates and/or screens - outside air duct - outside air damper(s) Exhaust fan unit: - blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators - blower housing acoustical lining - vibration collars Exhaust air distribution: - Exhaust air ducts Est total in ft Specify type (circie): metal -100 No. locations inspected| Gbrous glass limed metal masonry fbrous glass board flex-duct wood - Accessible in-line fire dampers Est. total qty. - Accessible turning vanes Est. total qty - Exhaust air grilles Est. total qty Other (specify): No. locations inspected No. locations inspected No. locations inspected Y Y Y Otber Information: Page 1 of 1 _N WTC Dust Present? Component • not present • not found • tnaccessible N N NP N N NP NP General impression (indicate recommendations for cleaning based on finding of WTC dust): No WTC related duist was observed The unt covered with laundry lint. NO CIEANING IS REQUIRED FOR WTC BELATED DUST. KEY: NP = not present; NF = not found; I= inaccessible; U = unknown NYC-WTC_000135423

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NYC-WTC_000135423Source: NYC Law Department, mirrored locally

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