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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_000135394
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NYC 9/11 Public Portal Document 22 Mechanical Exhaust System Visual Inspection Form Mechanical Exhaust Systen: Identification: MECHANKAL EXHAUST FAN# 34 Location: LOWER RODF - 2 SOUTMENDArE Area Served: Asbociated mechanical roorI: clean_ LxN dry_LY _N stored chemicals/refuse System Componezts NOTE: if component not present (NP), not foand (Nf) or inaccessible (I) please indicate in last column] Exhaust air outlet: Location: Surface Dust Debris Preseat? Accessible for inspection? _ N _(explain): - louvers, grates and/or s Teens - outside air duct - outside air dataper(s) Ethaust fan nnit: - blower assembly incl. t lower wheel, housing, air vanes, in-line noise attenuators -blower housing acoustical lining - Vibration collars Exhaust air distribution: -Exhaust air ducts Est otallnf_ 20 Spocify type (circle): No. locations inspected of fibrous elass kined metal. masonry fbrous giass board Drx-duct wood - Accessible in-line fire dar pers Est. total qty. - Accessible turning vanes Est. total gty - Exhaust air grilles Est. total gty Other (specify): No. locations inspected_O No. locations inspected No. locations inspected O Y Y Other Information: Page 1 of 1 YXN WTC Dust Present? Component I • not present • not fousd • inaccessible N N N N NP N I NP. I : General impression (indica :e recommendations for cleaning based on finding of WTC dust): - No WTE RELATED DUST WAS OBSERUED IN THE MECHANICAL COMPONEATS AND MS ASSOCIATED DUCTS. - NO CIGANING IS REQUIRED FOR WTC CELATED JUST. KEY: NP = not present; NF' = not found; I = inaccessible; U = unkaowa NYC-WTC_000135394

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NYC-WTC_000135394Source: NYC Law Department, mirrored locally

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