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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_000135526
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NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust System Visual Inspection Form Mechanical Exhaust System Identification: EXHAUST #3 Location: 950 SOUTH END AVE/ MAIN RDUF Area Served: Associated mechanical room: clean , Y_N dry_Y System Components INOTE: if component not present (NP), not found (NF) or inaccessible (I) please indicate in last column] Exhaust air outlet: Location: N stored chemicals/refuse_ Y. Surface Dust/ Debris Present? 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: - Exhaust air ducts Est. total in ft 180 No. locations inspected_1 Specify type (circle): metal ibrous elass lined metal masonry fibrous glass board Hlex-duct wood - Accessible in-line fire dampers Est. total qty. - Accessible turning vanes Est. total gty. - Exhaust air grilles Est. total qty 19 No. locations inspected No. locations inspected No. locations inspected_0 Other (specify): Other Information: Y Page 1 of1 N WTC Dust Present? Component • not present • not found • Inaccessible Y NP NP NP NP NỮ I General impression (indicate recommendations for cleaning based on finding of WTC dust): THE BLADES OF EXHAUST FAN ARE (OVERED WITH WTc related dust. -THE FBERELASS LINING 19 COVERED WOTTH IHiN COATING OF WTC dust. - CLEANING IS REQUIRED FOR WTL RELATED DUST. - CLEAN THE EXHAUST FAN UNIT ALONG WITH ITS COMPONENTS AND ITS ASSOCIATED DUCT. KEY: NP = not present; NF = not found; I - inaccessible; U = unknown NYC-WTC_000135526

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NYC-WTC_000135526Source: NYC Law Department, mirrored locally

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