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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_000135400
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NYC 9/11 Public Portal Document cal Ecnanical Ls haust System Visual Inspection Form Mechanical Exhaust Syster Identification: Location: MECHANKAL EXHAUST FAN# 40 LOWER ROOF - 2 SOUTMENDATE Area Scrved: Associated mechanical roorı: clemn_ LXN dry_ŁY. _N stored chemicals/refuse System Components NOTE: if component not present (N?), not found (NF) or inaccessible (I) please indicate in last columm] Exhaust air outlet: Location: Accessible for inspection? Y_ N _(explain): - louvers, grates and/or s:teens - outside air duct - outside air daraper(s) Exhaust fan uit: - blower assembly incl. t lower wheel, housing, air vanes, it-line noise attenuators - blower housing acoustiral lining - vibration collars Exhaust air distribution: - Exhaust air ducts Est otai In ft 20 Specify type (circle): Geal No. locations inspected Ol ,fibrous glass lined metal masonry fibrous siass board Drx-duct wand - Accessible in-line fire darspers Est. total aty - Accessible turning vanes Est. total qty - Exbaust air grilles Otber (specify): Est. total aty No. locations inspected_O No. locations inspected No. locations inspected 0 Otber Information: Surfece Dust/ Debris Present? Y Y Y Y Page 1 of 1 YXN WIC Dust Present? N N N N N Component • not present • not found • inaccessible NP N I NP. General impression (indica e recommendations for cleaning based oz finding of WTC dust): - NO LOTE RELATED DUST WAS OBSERUED IN THE MECHANICAL COMPONENIS AND MS ASSOCIATED DUCTS. - NO CLEANING IS REQUIRED FOR WTR RELATED DUST. KEY: NP = not present; NF'= not found; I = inaccessible; U = unknown : NYC-WTC_000135400

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NYC-WTC_000135400Source: NYC Law Department, mirrored locally

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