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Document / 8 pages

HVAC inspection memo, 45 Wall Street, Feb 2003

Machine-extracted title · confidence 95%

Memo recommending recleaning of HVAC equipment at 45 Wall Street due to WTC dust found during February 2003 visual inspection.

NYC-WTC_000130419–000130426
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Scanned page image, NYC-WTC_000130421
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NYC 9/11 Public Portal Document

2.1 Central Ventilation System Visual lnsnection Form Page 1 of 2 Ventilation System Identification: • b t L u is `-I Locatiot : ~~ Area Served: lScvr~ Z) ;..( 4- c LA t (S, `'15J Associatedmechanical room: clean Y N dry Y N stored chemicals/refuse Y N Surface Component System Components Dust/ WWTC i, 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 Outside air intake: Location:

Accessible for inspection? Y N (explain): • ~~ v f- ' - • • '.% Z

louver's, grates and/or screens T outside air duct :4'.+ outside air damper(s) A-s. , Air handling unit: outside air midng chamber Ate/ nl filter racks) ti A? filter media N (? blower assembly inc-I: blower wheel, blower housing,-air vanes; in-line noise attenuators _____________ -. blower housing acoustical lining t\d pre-heat coils n heating coils S. cooling coils :v !~ re-heat coils condensate drain pan A`; supply air plenum A) supply air plenum damper(s) N per, vibration collars n/ Supply air distribution: .~ Supply air ducts Est. total In ft — - y No. locations inspected Specify type (circle) • me fibrous lassss li etal masonry fibrous glass board 0j A) flex-duct wood Accessible in-line fire dampers Est. total gty No. locations inspected )P Accessible turning vanes Est. total No. locations ins ected N In-line reheat/coolin coils Est. total No. locations ins ected Ain Supplyair diffusers Est. total No. locations ins ected Return air distribution: Return air ducts Est. total In ft J J No. locations inspected Specify type (circle): metal fibrous glass lined metal masonry fibrous glass board ~r flex-duct wood

Return air plenum Est. total RA plenum a are No. locations ins ected Return air plenum damper Est. total qty No. locations inspected __ Accessible in-line fire dampers Est. ;uta, qt) No. locations ins ected P

NYC-WTC 000130421

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NYC-WTC_000130421Source: NYC Law Department, mirrored locally

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