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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_000135425
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NYC 9/11 Public Portal Document metnacal Exnaust Syste. Mechanical Exhaust System Identification: /isual Inspection Form Location: ECHANICHL EXHAUSI FAN#Z MAIN ROOF - 300 ALBANY STRZET Associated mecbanical room: clean _N dryY Area Served: stored chemicais/refuse System Components (NOTE: if component not present (NP), not found (NF) or inaccessible (1) please indicate in last column] Exhaust air outlet: Location: 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 Exbaust air distribution: - Exhaust air ducts Est total in ft Specify type (circle): 100 No. locations inspected_ 1 meta unbrous glass lined meta! Dmasonry fibrouspless board Дex-duct wood - Accessible in-line îre dampers Est. total qty - Accessible turning vanes Est. total qty. - Exhaust air grilles Est. total qty. 9 Other (specify): - No. locations inspected No. locations inspected No. locations inspected_0 Other Information: Surface Dust/ Debris Present? 7 Y Page 1 of 1 WIC Dust Present? Component • not presext • not found • inaccessible Y Y NP NP NP NP General impression (indicate recommendations for cleaning based on finding of WTC dust): - WTC RELATED DUST WAS OBSERVED INTHE FAN AND ITS COMPONENA, AND ITS ASSOCIATED DUCTS. - CLEANING IS REQUIRED FOR WTC RELATED DUST. - CLEAN THE EXHAUSI FAN, ITS COMPONENTS ANDITS ASSOCIATED DUCTS. KEY: NP = not present; NF = not found; I= inaccessible; U = unkuown NYC-WTC_000135425

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NYC-WTC_000135425Source: NYC Law Department, mirrored locally

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