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Receiving report for HVAC consulting services, March-April 2003

Machine-extracted title · confidence 94%

City receiving report acknowledging delivery of HVAC consulting services for WTC from TAMS Consultants Inc.

NYC-WTC_000135765–000135950
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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: 1..(-t '°"ra G Location: Area Served: A v2 2K Associatedmechanical room: clean Y N dryLY stored chemicals/refuse N Y N Surface Component System Components Dust/ WTC i; not (NOTE: if component not present (NP), not round (NF) or inaccessible (f) please Debris Dust present indicate in last column] Present? Present? 4 not found 4 inaccessible Outside air intake: Location:

Accessible for inspection? Y N (explain): NV louver, grates and/or screens ' -`° outside air duct eJ P outside air damper(s) n! P Air handling unit: outside air mixing chamber rJ filter rack(s) filter media A! blower assembly incl. blower wheel, blower housing, air vanes, in-line noise anenuators N blower housing acoustical lining N re-heat coils N heating soils Nn cooling coils JJ re-heat coils N condensate drain an n1 supply air lenum supply air plenum damper(s) N vibration collars N;3 Supply air distribution: Supply air ducts Est. total in it No. locations inspected Specify type (circle)• etal fibrous class lined metal masonry fibrous glass board /'.1 flex-duct w od Accessible in-line fire dampers Est. total gty No. locations inspected NP Accessible turning vanes Est. total gty No. locations inspected ;v In-line reheat/cooling coils Est, total gty No. locations inspected Supply air diffusers Est. total qty I No. locations inspected a N Return air distribution: Return air ducts Est. total In ft _ No. locations inspected i Specify type (circle): et 1 fibrous class lined metal masonry fibrous glass board flex-duct wood Y N

Return air plenum Est. total RA plenum areas I No. locations inspected ( Return air plenum damper Est. total qty No. locations inspected Accessible in-line fire dampers Est. total qty Nc. locations inspected P

NYC-WTC 000135913

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NYC-WTC_000135913Source: NYC Law Department, mirrored locally

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January 30, 2003 letter from Athenica Environmental Services regarding HVAC and environmental inspections at 250 South End Avenue.

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