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TDC2/TCC2 WG: WP analysis meeting organization

TDC2/TCC2 WG: WP analysis meeting organization. S. EVRARD EN-MEF. Planning milestones from last EATM. Organization. WP’s definition document: WP document for each activity https:// edms.cern.ch/nav/P:CERN-0000077502:V0/P:CERN-0000096023:V0/TAB3 Report document being written.

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TDC2/TCC2 WG: WP analysis meeting organization

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  1. TDC2/TCC2 WG: WP analysis meeting organization S. EVRARD EN-MEF

  2. Planning milestonesfrom last EATM Speaker

  3. Organization • WP’sdefinition document: WP document for eachactivityhttps://edms.cern.ch/nav/P:CERN-0000077502:V0/P:CERN-0000096023:V0/TAB3 • Report document beingwritten

  4. Radiological & costimpact • The radiation collected dose amounts to 1 to 2.5 mSv per intervention (29mSv in 2003). • Over the last ten years, the collective dose amounts to several tens of mSv. • Each intervention causes a downtime of ~10 days (5% of 1 year NA physics). • The frequency of interventions is increasing over time. • The leaks are mostly located between splitters 1 and 2, especially where the dose levels are the highest. LeakeventFigures in µSv

  5. 3 out of 8 joints willbetreated 8 expansion joints in TDC2 Integration by A. Seck, GS-SE IEFC

  6. Condensed water evaporatorrequired by RP • TDC2 room conditions: 20.6 °C, 56 %RH • After cooling: 14.2 °C, 76 %RH • Dehumidification capacity: 60 l/h (could be improved) • Dew point 11.5°C • Under normal conditions, air condensation is not possible in TDC2 - 1 gw/kga Dew point 11.5°C IEFC

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