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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_000135386
OCR text

OCR status: ocr · source: ours

NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of 1 Mechanical Exhaust System Identification: ecHanioa Exlaust t26 aS Uppee Reok - © Soorti Evy dve | "ST Associated mechanical room: clan \V/Y oN dy Vy Y N stored chemicals/refuse Yorn Surface Component System Components Dust/ WTC ® not present [NOTE: if component not present (NP), not found (NE) or inaccessible (D) please Debris Dust © not found indicate in last column} Present? | Present? | , i accessible Exhaust air outlet: Location: Accessible for inspection? Y_\/ N_(explain): y Ny] ~ louvers, grates and/or screens ) y — outside air duct wi bd ~ outside air damper(s) y Y Exhaust fan unit: ~_ blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators Y Y — blower housing acoustical lining + ¥ ~ vibration collars NP Exhaust air distribution: —Exhaustairducts Est towling _[©D No. locations inspected_O2 _ Specify type (circle): metal fibrous glass lined metal yfasonry) fibrous glass board Hex-duct wood i) y ~ Accessible in-line fire dampers Est. total qty_ 9 No. locations inspected __ © Tr — Accessible turning vanes Est. total qty No. locations inspected NP — Exhaust air grilles Est. total qty. 9 No. locations inspected_O - Other (specify): ' Other Information: t General impression (indicate recommendations for cleaning based on finding of WTC dust): —WT Cc Dust WAS OBSERVED IN THE MECHANICAL COMPONENTS AND (ts Associ AT &D DPvocts. — Cleaning is Requited FOR WIC RELATED Dust. "THE HECHANICAL CouPONEWTS OF THE TAN AND JTS ASSO ATED MvetTS NEED Te BE CLEANED KEY: NP = not present; NF = not found; I= inaccessible; U = unknown ~ NYC-WTC_000135386

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NYC-WTC_000135386Source: NYC Law Department, mirrored locally

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