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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_000135394
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OCR status: ocr · source: ours

NYC 9/11 Public Portal Document 2.2 Mechanica} Exhaust System Visual Inspection Form Page lof 1_ Micuanoen Extausy Fawstt 34 Area Served: Location: L_ LOWER Root - 2 soute eum AvE Associated mechanical roor:: clean /Y oN dry YY ON stored chemicals/refuse___—sY_“» N Surface Component System Components , Dust/ wic © 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 inepection? *” / N (explain): = louvers, grates and/or S:Teens Outside air duct ~— outside air camper(s) Exhaust fan unit: ~_blower assembly incl, tlower wheel, housing, air vanes, in-line noise attenuators ~_blower housing acoustical lining — vibration collars N P Exhaust air distribution: ~ Exhaust air ducts Est. -otal in 8 2D No. locations inspected 4 Specify type (circle): (ieiah’ Atrous ease lined metal masonry Abrous glass board — Accessible in-line fire darspers Est. total qty A No. locations inspected © ag ~ Accessible taming vanes Est. total qty No. locations inspected NP, — Exhaust air grilles Est. total qty A No. locations inspected © = Other (specify): Other Information; General impression Gndica:e recommendations for cleaning based on finding of WTC dust): — NO WE reuaren DUST WAS OBSERVED WW THE Hectanicae CoHPoLENTS AnD rts ASSoamIED Deets, ~ No UEANING 13 PEQui2aD Foe usta RELATED 4vS7, KEY: NP = not present; NF = not found; I= inaccessible; U =unknown NYC-WTC_000135394

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NYC-WTC_000135394Source: NYC Law Department, mirrored locally

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