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Document / 215 pages

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_000135529
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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: : ExhALsST #E Location: iE 9) Area Served: 250Gurutua Ant ELEVATOR PECH Ctr Associated mechanical room: clean YN dry YN stored chemicals/refuse_ = -Y oN Surface Component System Components Dust/ WTC © not present [NOTE: if component not present (NP), not found (NF) or inaccessible @® please Debris Dust ® not found indicate in last column] Present? Present? ¢ inaccessible Exhaust air outlet: Location: Accessible for inspection? Y AN (explain): y Y, — louvers, grates and/or screens y > = outside air duct y yY —_ outside air damper(s) NP Exhaust fan unit: ~_blower assembly incl. blower wheel, housing, air vanes, in-line noise attenuators y yf ~_blower housing acoustical lining Yy Y ~ vibration collars N P Exhaust air distribution: ~ Exhaust air ducts Est. totalinft§I (86 No. locations inspected __{ Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board ~ Accessible in-line fire dampers Est. total qty No. locations inspected NP — Accessible turning vanes Est. total qty No. locations inspected N? — Exhaust air grilles Est. total qty _ 19 No. locations inspected © ; I Other (specify): . Other Information: Genera! impression (indicate recommendations for cleaning based on finding of WTC dust): ma KYALST FAN ONIT 4 Duct Is COVERED WITH WTC reletec’ ASI, WEANING js SReouieep FoR WTC RELATED Dust, me CLEAN THE ExuHAUST FAN UNIT, ITS COMPONENTS AND me AssomATED DoecTSs. KEY: NP = not present; NF = not found; T= inaccessible; U = unknown NYC-WTC_000135529 ~

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NYC-WTC_000135529Source: NYC Law Department, mirrored locally

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