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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_000130423
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NYC 9/11 Public Portal Document

2.1 Central Ventilation System Visual Inspection Form Page 1 of 2 Ventilation System Identification: Ai '4 - Location: Area Served: - -ft. P41 Associatedmechanical 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 (1) please Debris Dust present indicate; in last column] Present? Present? 4 not found

inaccessible Outside air intake: Location:

Accessible for inspection? Y'/ N (explain): fJ

louver's, grates and/or screens {`,r Al outside air duct v N outside air dam er(s) Air handling unit: outside air mixing chamber filter rack(s) f..j :_ filter media t t= blower assembly Incl. blower wheel, blower housing, air vanes, in-line , noise attenuators blower housing acoustical linin 9N1 pre-heat coils heating coils cuolink cuih N re-heat coils JP

supply air plenum N supply air plenum damper(s) N vibration collars N Supply air distribution: Supply air ducts Est. total In ft No. locations inspected Specify type (circle)(metal rou s Iined metal asonr fibrous glass board flex-duct woo Accessible in-line fire dampers Est. total gty No. locations inspected >V 0 Accessible turnip vanes Est. total . 2.... No. locations ins ected !V In-line reheat/cooling coils Est. total gty No. locations inspected ,v " Supply air diffusers Est. total gry I2 No. locations inspected N :N Return air distribution: Return air ducts Est. total In ft No. locations inspected Specify type (circle): metal fibrous class lined metal masonry fibrous glass board 0..i flex-duct wood

Return air plenum Est. total RA plenum areas No. locations ins ected Return air plenum damper Est. total qty No. locations inspected __ Accessible Ii,-line fire dampers Est. total qty No. locations inspected

NYC-WTC 000130423

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NYC-WTC_000130423Source: NYC Law Department, mirrored locally

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