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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_000135532
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NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust System Visual Inspection Form Mechanical Exhaust System Identification: EXHAUST #8 Location: 250 SoiHENOArE /14F600K TERRACE Area Served: Associated mechanical room: clean_ _N dry_ _Y N stored chemicals/refuse System Components INOTE: if component not present (NP), not found (NF) or inaccessible (I) please indicate in last column] Exhaust air outiet: Location: Accessible for inspection? Y N (explaín): - 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 Exbaust air distribution: - Exhaust air ducts Est total in ft 140 Specify type (circle): No. locations inspected_ meta 1 dibrous glass lined metar masonry fibrous Rlass board "Dex-duct wood - Accessible in-line fire dampers Est. total qty - Accessible turning vanes Est. total qty. - Exhaust air grilles Est. total qty_ 14 Other (specify): No. locations inspected No. locations inspected No. locations inspected 0 Other Information: Surface Dust/ Debris Present? Y Page 1 of1 _N WTC Dust Present? Component • not present • not found • tnaccessible NP NT NP Y NP NP General impression (indicate recommendations for cleaning based on finding of WTC dust): - HEAVY ACCOMULATION oi WTC related dust. is COVERINS THE ÜNIT @OMPONENYS & NSSOCIATED duet. - CLEANING IS REQUIRED FOR WTC RELATED DUST. — CLEAN THE EXHAUST FAN ALONG: WITH MTS COMPONENTS AND ITS ASSOCATED DUCTS. KEY: NP = not present; NF = not found; I = inaccessible; U = unknown NYC-WTC_000135532

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NYC-WTC_000135532Source: NYC Law Department, mirrored locally

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