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A. Perin, TE-CRG, YETS meeting 15.09.2015 September 15 th 2015 Year End Technical Stop (YETS) Meeting A. Perin, TE-CRGm with contributions from M. Pezzetti,

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Presentation on theme: "A. Perin, TE-CRG, YETS meeting 15.09.2015 September 15 th 2015 Year End Technical Stop (YETS) Meeting A. Perin, TE-CRGm with contributions from M. Pezzetti,"— Presentation transcript:

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2 A. Perin, TE-CRG, YETS meeting 15.09.2015 September 15 th 2015 Year End Technical Stop (YETS) Meeting A. Perin, TE-CRGm with contributions from M. Pezzetti, N. Vauthier, G. Ferlin, U. Wagner.

3 A. Perin, TE-CRG, YETS meeting 15.09.2015 CRG preparation of YETS2015 Preliminary preparation phase: not all defined. An additional round is necessary in about 4 weeks Activities classified in two categories: A)Affecting other non-CRG systems (no CS/CM): this is the main subject for coordination B)CRG internal «transparent» for other systems N.B.: activities are also planned on experiments (mainly CMS)

4 A. Perin, TE-CRG, YETS meeting 15.09.2015 S. Claudet, TE-CRG 06.08.2015 S. Claudet, TE-CRG 06.08.2015

5 A. Perin, TE-CRG, YETS meeting 15.09.2015 LHC YETS overview Strategy Cryostart / cryomaintain until week 46. Baseline: keep the helium in the magnet cryostats at 4.5 K. Exception if a warmup od S81 is required to fix the 15R8 problem. Main issues to be corrected Leak in IP8 A cold box: will require warmup of the cold box. Cryoplant B still operational. G. Ferlin, TE-CRG-OA

6 A. Perin, TE-CRG, YETS meeting 15.09.2015 Instrumentation Catégorie A Mise en service des capteurs Basse Pression nécessitant les supports CRG-OA pour installation + support EN-ICE/BE-CO/CRG-CE pour Layout/FEC/PVSS Installation capteur de pression ATLAS UX15 nécessitant les supports CRG-ME pour installation + support EN-ICE/BE-CO/CRG-CE pour Layout/FEC/PVSS La consolidation des EH 500W/100W dans les triplets nécessitant les CRG-OA pour installation + support EN-ICE/BE-CO/CRG-CE pour Layout/FEC/PVSS Catégorie B Les events concernant l’intrumentation cryogénique listés sur le logbook*: > 100 corrective actions foreseen Essentially in the shadow of other activities and when access is possible. N. Vauthier, TE-CRG-CI

7 A. Perin, TE-CRG, YETS meeting 15.09.2015 YETS Main activities Cat A P18/P2 QURC consolidation for VFD, equipotential (for ECM issues not yet solved); P18 QSCB equipotential cabling for motor-compressor consolidations; P6 QSCB equipotential cabling for motor-compressor consolidations; P8 QSC surface 24 VDC redundant; P8 QSCB equipotential cabling for motor-compressor consolidations; Cat B LHC sector redeployment for EH consolidations (see CI section) ( need 1/2 day control stop per sector) Control & electricity M. Pezzetti, TE-CRG-OA Essentially in the shadow of other activities with short and localized interruptions of cryo.

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