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Ventilation System Evaluation Form, WTC Site, Feb 2003

Machine-extracted title · confidence 80%

Blank form for evaluating ventilation systems including building contact details and system types at the World Trade Center site.

NYC-WTC_000133682–000133721
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Scanned page image, NYC-WTC_000133702
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NYC 9/11 Public Portal Document 2.2 Mechanical Exhaust System Visual Inspection Form Page 1 of J Ak 2 O13 Mechanical Exhaust System Identification: AO Location: Dae Cc , Area Served: Associated mechanical room: clean Y Ndr Y N__stored chemicals ‘refuse ¥ N ‘ Surface Component System Components Dust’ WTC E Aut [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present indicate in last column] Present? Present? Z Ae found E inaccessible Exhaust air outlet: /. Accessible for inspection? YvN (explain): a louvers, grates and/or screens nv | outside air duct rv, | outside air damper(s) | a/ | Exhaust fan unit: | | attenuators | iad blower housing acoustical lining tow | vibration collars Exhaust air distribution: Exhaust air ducts Est total In fi 9D) No. locations snd pecify type (circle): ( meta) Cae glass lined metal) masonry fibrous glass board flex-duct Y blower assembly incl. blower Wheel, housing. air vanes. in-line noise y . [ Accessible in-line fire dampers Est. total qty off No. locations inspected © | Accessible turning vanes Est. total atv No. locations inspected Exhaust air grilles Est. total qty J No. locations inspected Oo v Other (specify): Other Information: General inipression (indicate recummendstions for cleaning based on finding of WTC dust): No | WTC Oust Foun — NP = not present: NF = not found; I= inaccessible; U = unknown NYC-WTC_000133702

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NYC-WTC_000133702Source: NYC Law Department, mirrored locally

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