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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_000135466
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NYC 9/11 Public Portal Document wecnanical Exhaust System Visual Inspection Form Mechanical Exhaust System Identification: Location: MECHANICAL EXHALST FAN#6 16"L00R-RICF -350 ALBANY ETREET Area Served: Associated mechanical room: clean_Y_N dry_ 2R to 157 € PENTHOUSE= 2 —N stored chemicals/refuse N System Components Surface INOTE: if component not present (NP), not found (NF) or inaccessible (l) please Dust/ indicate in last columo]. Debris Exhaust air outlet: Present? Location: WTC Dust Present? Page 1 of 1 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: - Evhaust air ducts Est total in ft 160 Specify type (circle): No. locations inspected_ meta fibrous glass lined metat masonry fibrous glass board Dex-duct Wod - Accessible in-line fire dampers Est. total qty. - Accessible turing vanes Est. total qty - Exhaust air grilles Est. totai qty 15 Other (specify): 15 - No. locations inspecied_0 No. locations inspected No. locations inspected_6 Other Information: Component • not present • not found • inaccessible Y Y NP Y NP Y I NP I General impression (indicate recommendations for cleaning based on finding of WTC dust): - WIG RELATED DUST WAS OBSERNED iN THE COHPONENTS DF THE FAN ABOVE AND BELOW THE LOUVERS. WTC RELATED DUST WAS OBSEBVED IN The DUCTWDeK CLEANING POR WTC RELATED DUST IS RECOHMENDED CLEAN THE COMPONENTS OF THE FAN AND ITS ASSOCIATED DUCTLIORR. KEY: NP = not present; NF = not found; I = inaccessible; U = unknown NYC-WTC_000135466

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NYC-WTC_000135466Source: NYC Law Department, mirrored locally

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