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Document / 215 pages

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_000135436
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OCR status: ocr · source: ours

NYC 9/11 Public Portal Document ee Aape suis Mechanica] Exhaust System Identification. ~~. Veaeamica, Exuaes] Faroe lh Location: Area Served: MAin ZEEE — 300 ALBANY SIREET Associated mechanical room: clean YN dry Y N stored chemicais/refuse Y N re Seemed Surface Component System Components Dust/ WwTc © not present [NOTE: if component not present (NP), not found (NF) or inaccessible @® please Debris Dust © not found Indicate in last column] Present? Present? © inaccessible Exhaust air outlet: ’ Location: Accessible for inspection? ¥ Y N (explain): ~ louvers, grates and/or screens ~- outside air duct on ee — outside air damper(s) Exhaust fan anit: ~ blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators NM RR NC) XN — blower housing acoustical lining NP — vibration collars nP Exhaust air distribution: ~ Exhaust air ducts Est. total In ft__ 1.00 Specify type (circle): Ged) glass | flex-duct wood No. locations inspected 4 masonry fibrous elass board — Accessible in-line fire dampers Est. total qty No. locations inspected NP ~ Accessible turing vanes Est. total qty No. locations inspected NP ~ Exhaust air grilles Est. total qty_ 9. No. locations inspected_ © x Other (specify): Other Information: General impression (indicate recommendations for Cleaning based on finding of WTC dust): — WTC erated DUST WAS OBSERVED THE FAN AND 17S ConPONENE, AND TS ASSECHATED DUCTS~ ~ CLEANING 1% PEQvRED FOR WTC RELATED “DuST. Crean THE ExHAVST FAN, ITS ComMPoNENTS AND ITS KEY: NP = not present; NF = not found; I= inaccessible; U = unknown NYC-WTC_000135436

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NYC-WTC_000135436Source: NYC Law Department, mirrored locally

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