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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_000135439
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NYC 9/11 Public Portal Document Mechanical Exhaust System Identification: puai spection rorw 1ECHANICAL EXHAUST FAN#L7 Location: MAIN ZOOF - 300 ALBANY SIREET Associated mechanical room: clean Area Served: System Components INOTE: if component not present (NP), not found (NF) or inaccessible (f) please indicate in last columa) Exhaust air outlet: Location: _Nstored chemicais/refuseY Surfece Dusti ' Debrís Present? 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 100 Specify type (circle): metal No. locations inspected_1 uprous gless bued metal гаsoy ibrous glass board flex-duct wood - Accessible in-line fire dampers Est. total qty. - Accessible tuming vanes Est. total qty - Exhaust air grilles Est. total gty No. locations inspected No. locations inspected No. locations inspected_O Other (specify): Other Information: Page 1 of 1 N WTC Dust Present? Componeat • Dot present • not fowad • inaccessible Y Y NP NP NP NP I General impression (indicate recommendations for cleaning based on finding of WTC dust): - WTC RELATED DUST WAS OBSERVED INTHE FAN AND 1TS COMPONENTS, AND ITS ASSOCIATED DUCTS. - CLEANING IS REQUIRED FOR WTC RELATED DUST. - CLEAN THE EXHAUSI FAN, ITS COMPONENTS AND ITS ASSOCIATED DUCTS. KEY: N? = not present; NF = ant found; X = inaccessible; U = uakrown NYC-WTC_000135439

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NYC-WTC_000135439Source: NYC Law Department, mirrored locally

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