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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_000135426
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NYC 9/11 Public Portal Document Mechanical Exhaust Systel Isual Inspection Form Mechanical Exhaust System Identification: HECHANICAL EXHAUSI FAN#4 Locatioa: MAIN ROOF - 300 ALBANY POREET Associated mechanical room: clean__Y_N dyy Area Served: stored chemicaisirefuse System Compozents INOTE: if component not present (NP), not found (NF) or inaccessible (I) please indicate in last columm] Surface Dusti ! Debris Present? Exhanst air outlet: Location: Accessible for inspection? Y N (explain): - louvers, grates and/or screens - outside air duct - outside air damper(8) Exhaust fan unit: - blower assembly incl. blower wheel, housing, air vanes, iz-line noise attenuators - blower bousing acoustical lining - vibration collars Exhaust air distribution: - Exhaust air ducts Est total In ft 100 No. locations inspected 1 Specify type (circle): ubrons glass lined metal masonry fbrous eiess board flex-duct - Accessible in-line fre dampers - Accessible turning varies - Exhaust air grilles Other (specify): wood Est. total qty Est. total qty Est. total qty. 9 No. locations inspected No. locations inspected No. locations inspected_O Otber Information: Z Y Page 1 of 1 N WIC Dust Present? Component I • not present • not found • inaccessible Y Y NP NP Y NP NP I General impression (indicate recommendations for cleaning based on finding of WTC dust): - WTC RELATED DUST WAS OBSERVED INTHE FAN AND 1TS COMPONENA, ANA ITS ASSOCIATED DUCTS. - CLEANING 1S BEQUIRED FOR WTC RELATED DUST. - CLEAN THE EXHAUSI FAN, ITS COMPONENTS AND ITS ASSOCIATED DOCTS. KEY: NP = not present; NF = not found; I= inaccessible; U = naknown NYC-WTC_000135426

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NYC-WTC_000135426Source: NYC Law Department, mirrored locally

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