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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_000133717
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

. 2.2 . Mechanical Exhaust System Visual Inspection Form Paee I of 1 Mechanical Exhaust System Identification: 25 Location: Area Served:

kssociated 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? 4 not found 4 inaccessible Exhaust air outlet: Loca ion:

Accessible for inspection? Y N (explain): y // A) J louvers, grates andlcr screens outside air duct outside air dam er(s) --- Exhaust fan unit: blower assembly incl. blower wheel, housing, air vanes, in-line noise_ attenuators blower housing acoustical lining vibration collars P Exhaust air distribution: Exhaust air ducts Est. total In ft I.2O No. locations inspected Specify type (circle): m t fibrous lass lined met masonry fibrous glass board `/ N flex-duct ' woo Accessible in-line fire dam ers Est. total No. locations ins ected fJ • Accessible turning vanes Est. total gty No. locations inspected iv Exhaust air lles Est. total i No. locations ins ected Other (specify):

Other Information:

General impression (indicate recommendations for cleaning based on finding of NVTC dust):

t'h t -' L i fOK,/(

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

NYC-WTC 000133717

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NYC-WTC_000133717Source: NYC Law Department, mirrored locally

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