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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_000133704
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OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

2.2 Mechanical Exhaust System Visual 'Mechanical Exhaust System Identification: Ins ection Form Page I of I Location: Qp r Area Served: Associated 1\ ~ d '~' stored ch?micals.~refuse Y N System Components Surface I. OTE: if component not present (\P), Component not found (\F) or inaccessible (I) please ~VTC E not indicate in last columrrj Debris Dust present Present? Present? C not found E Exhaust air outlet: Loc tlon: inaccessible Accessible for inspection? Y ~N ( exPla'in):

louers, crates and'or screens outside air duct outside air dam er(s) Exhaust fan unit: blower assembly incl. blower wheel, attenuators housing, air vanes, in line noise _._ blower housinc' acoustical Iinin, / C ty I vibration collars Exhaust air distribution: J N Exhaust air ducts Est total In ft dv inspected__ No. locations

Specify type (circle): metal rows class lined meta masonry fibrous class board flex -duct

Accessible in -line fire dam ers Est. total tv I1 No. locations ins ected Accessible turning vanes Est, total ot< No. locations inspected Exhaust air grilles Est. total No. locations ins ected lV Other (specify):

Other Information:

c;`-r ral ]i:;p-essis:t (]ndicate reconim:ndntion5 for cleaning based on finding of 11'TC dust):

t~ uS ;

Y: NP = not present; NF = not found; I = inaccessible; U = ti n known

NYC-WTC 000133704

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NYC-WTC_000133704Source: NYC Law Department, mirrored locally

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Memo recommending cleaning of specific roof equipment at 295 Greenwich Street after WTC dust was found during inspection.

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