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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_000131920
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

2.2 -- -Mechanical Exhaust System Visual Inspection Form - .' Page f-of I Mechanical Exhaust System Identification: Location: Area Served: ~OF Associated mechanical room: clean Y N dry stored chemicals/refuse Y N Y N • Surface Component System Components Dust/ WTC 1; not [NOTE: if component not present (NP), not found (NF) or inaccessible (I) please Debris Dust present - Present? Present? indicate In last column] 4 not found

Inaccessible Exhaust lair outlet: Location:

Accessible for inspection? Y /N (explain):

louvers, grates and/or screens —AJ - - _ .. .. outside air duct outside air damper(s) ._ .. _.._. .: blowerassh'rhtily inc1. blower wieel; housing, air vani3; iT=lirie'htsise —' attenuators - 1 blower housing acoustical lining S. Ni P vibration collars (7 Exhaust air distribution: Exhaust air ducts Est. total In ft ' iL) No. locations inspected Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board y N - .

flex-duct wood

Accessible in-line fire dampers Est. total • No. locations inspected Accessible turning vanes Est. total gty No. locations inspected AJO Exhaust air grilles Est. total gty No. locations inspected Other (specify):

Other Information:

General impression (indicate recommendations for cleaning based on finding of %'TC dust):

.No `rc ~uj~ Four4

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

NYC-WTC 000131920

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NYC-WTC_000131920Source: NYC Law Department, mirrored locally

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