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Document / 40 pages

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_000133690
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NYC 9/11 Public Portal Document

ins ected Accessible turning vanes Est. total qt}'

Return air grilles Est. total No. locations 1 I N~

No. locations ins ected A) 2.1 Central Ventilation System Visual Inspection Form Page 2 of 2

System Components Surface Component (NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Dust! WW'TC l; not indicate in last column) Debris Dust present Present? Present? E not found E inaccessible Other (specify):

Other Information:

Filter loadinc (!ieht. moderate, heavy): Li Abraded delanunated acoustical lining Filter bypass (describe)

General impression (indicate recommendations for cleaning based on fitrdiag of \l IL dust):

\ --( u S r-J U n/ O r •v S YS E1'! 1S : C 6,-a Q ~~

KEY: NP = not resent: NF= not found; I = inaccessible: L• = unknown

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NYC-WTC 000133690

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NYC-WTC_000133690Source: NYC Law Department, mirrored locally

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