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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_000135476
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NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust System Visual Inspection Form Mechanical Exhaust System Identification: Location: HMMANK'AL E XHAUST FAN #9 6HCR - RrUF- 350ALBANYSTBEET Associated mechanical room: clean _Y_ _N dry y. N System Components [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please indicate in last column] Exbaust air outlet: Location: Area Served: KITCHENS & BATHROOMS stored chemicals/refuse Surface Dust/ Debris Present? Accessible for inspection? Y. N _(explain): - louvers. grates and/or screens - outside air duct - outside air damper(s) Exbaust 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 60 No. locations inspected Specify type (circle): metal (ibrous glass lined meta: masonry fibrous glass board Rlex-duct wood - Accessible in-line fire dampers Est. total qty_ 5 - Accessible turning vanes Est. total qty - Exhaust air grilles Est. total qty_ Other (specify): No. locations inspected C No. locations inspected No. locations inspected ü Other Information: Y Page 1 of 1 N WTC Dust Present? Component • not present • not found • inaccessible NP N? I NP I General impression (indicate recommendations for cleaning based on finding of WTC dust): - WTC RELATED DIST WAS EBSERVEA IN THE COMFENENTS OF THE FAN ABCIÉ AND BILEN THE LCLiRRS. - IVTC RELATED DUST WAS EBSERUEN NN THE DUCTLCRK, I - CLEANINGA FER :WTC DEBRIS IS RICCHMENDED. E CLEAN THE EXHAUST FAN UNIT AND MS ASSECINTED DUCTWERK: KEY: NP = not present; NF = not found; I= inaccessible: U= unknown NYC-WTC_000135476

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NYC-WTC_000135476Source: NYC Law Department, mirrored locally

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