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Ventilation system evaluation form, WTC site

Machine-extracted title · confidence 100%

Blank ventilation system evaluation form for recording building details and inspection data.

NYC-WTC_000131909–000131924
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Scanned page image, NYC-WTC_000131922
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

2.2~ ~ Mechanical FxhaustSystem Visual Inspection Form = Pace 9 nf.• Mechanical Exhaust System Identification: • Location:' S Area Served: S Associated mechanical room: clean Y N dry Y N stored chemicals/refuse • Y N Surface Component System Components Dust/ WTC 4 not [NOTE: If component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present indicate in last column) Present? Present? not found

Inaccessible Exhaust air outlet: Location:

'Accessible for inspection? Y IN (explain): =

- - - grates and/or screens louvers, r — rJ • - outside air duct .. . _. . .. ' outside air damper(s) " _ . ... _._. _ _. .. _._... iWiust fan unit:'-. blower assembly incl.`b?b 3" vvlieel,'housing, air-vanes, attenuators - blower housing acoustical lining ov(I vibration collars Exhaust air distribution: Exhaust air ducts Est. total In ft No. locations inspected Specify type (circle): nt1 fibrous glass lined metal masonry fibrous glass board flex-duct wood

Accessible in-line fire dampers Est. total gty 7 No. locations inspected Q _ Accessible turning vanes Est. total gty No. Iocations inspected O Exhaust air grilles Est. total gty 7 No. locations inspected U Other (specify):

Other Information:

General Impression (indicate recommendations for cleaning based on finding of WW'TC dust):

NJ w i C ..t>-

KEY: NP = not present; NF = not found; I = inaccessible; U = unknown

NYC-WTC 000131922

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NYC-WTC_000131922Source: NYC Law Department, mirrored locally

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