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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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NYC 9/11 Public Portal Document 22 Mechanical Exhaust System Visnal Inspection Form Mochanical Exhaust Systenr Idextification: MECHANKAL EXHAUST FAN# 41 Location: LOWER RDOF - L SOUTHENDArE Area Scrved: Aspociated mechanical roor clea LXN dry Ly N System Components INOTE: if component not present (NP), not found (N) or inaccessible (1) plesse indicate in last columm] Exhaust air outlet:. Location: Accessible for inspection? YNN _(explain): stored chemicals/refuse Surface Dust/ Debris Preseat? - louvers, grates and/or s:reens - outside air duct - outside air damper(s) Exhaust fan unit: - blower assembly incl. tlower wheel, housing, air vanes, ir-line noise attenuators - blower housing acoustiral lining - vibration collars Exbaust air distribution: - Exhaust air ducts Est otailft 20 No. locations inspected_ Specify type (circle): a etal )fbrous elass lined metal maeonry fibrous glass board Dux-duct wood - Accessible in-line fire dar pers Est. total aty - Accessible turning vanes Est. total gty - Exbaust air grilles Est. total qty. g No. locations inspected_O No. locations inspected No. locations inspected_0 Other (specify): Other Ioformation: «THe FAN IS NoT WoRKING Y Y Page 1 of 1 ·XN WTC Dust Present? N N N N N Component • not present • not fouad • Inaccessible NP N I NP. I General impression (indica e recommendations for cleaning based on finding of WTC dust): - NO LOTE RELATED DUST WAS DBSERUED IN THE HECHANICAL COMPONEATS AND MS ASSOCIATED DUCIS. - NO CLEANING S REQUIRED FOR WTE EELATED DUST. KEY: NP = not present; NF = not found; I = inaccessible; U = unkuowu NYC-WTC_000135401

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NYC-WTC_000135401Source: NYC Law Department, mirrored locally

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