tdc2-tcc2 consolidation status report to eatm edms 1410848 october 7 th, 2014 s. evrard, en-mef, on...
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TDC2-TCC2 consolidationstatus report to EATMEDMS 1410848October 7th, 2014
S. EVRARD, EN-MEF, on behalf of the TDC2/TCC2 WG
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Outline
Objectives and schedule
Completed activities
Dose management & budget
Conclusions
IEFC
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Objectives
• Reduce corrosion of vacuum equipment• Replace PVC-insulated cables• Re-route cable trays and cables• Eradicate water leaks • Upgrade ventilation
• Reduce machine downtime• Replace damaged equipment (TCSC, ion pumps, beam
instrumentation)• Replace obsolete low voltage equipment• Install radiation resistant equipment
• Apply ALARA principle• Reduce maintenance time• Increase Mean Time Between Failures
IEFC
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2014 Schedule
IEFC
L3 ALARA Committee agreement in October 2013. EDMS 1317027L3 ALARA Committee agreement on May 20th for EN/EL activities. EDMS1377072
Jan'14 Feb'14 March 14 April 14 May 14 June 14 July 14 Aug' 14 Sep' 14 Oct' 14 Nov' 14 Dec' 14 Jan' 15Date 6 13 20 27 3 10 17 24 03 10 17 24 31 07 14 21 28 05 12 19 26 02 09 16 23 30 07 14 21 28 04 11 18 25 01 08 15 22 29 06 13 20 27 03 10 17 24 01 08 15 22 29 05 12week # 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 1 2 3
Activities DurationCivil engineering 8w Vallier Dimens ione Mezz Peint
Cooling and ventilationChilled water 12w Remove pipes New pipes AHU coils
Demin. Water 5w valves
AHU control upgrade 12w
Handling 2w
Electricity NA NA physics LAB LV 10w Low voltage refurbishment start ClosureCabling 14+12w Cabling up
Magnets 12w
Vacuum 8w
Secondary beam lines 8 w Vacuum maintenance XTAX tables
Collimators and targets 2w
Beam instrumentationSurveyCleaning 4w
safety systems 6w
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Outline
Objectives and schedule
Completed activities
Dose management & budget
Conclusions
IEFC
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Removal of hot equipment
• TCSC removed first and brought to B.955• 3 splitter2 magnets and 2 MDLV removed and stored in TDC2• Various beam monitors, BLM and vacuum beam pipes
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Cooling and ventilation upgrades
IEFC
New chilled water pipes (200 m DN 200)
New cooling coils in all AHU’s
AHU cabinet (40 years old) quite in good shape
Demineralized water circuit: 20 new valves
Challenge: asbestos removal
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Civil Engineering
IEFC
• Repair of the TDC2 roof joints:• 3 joints have been fitted
with a metallic gutter driving water and bitumen to 3 retention boxes.
• Repair of the mezzanine floor:• Resin flooring
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Civil Engineering: drain network maintenance
IEFC
• Contractor Vallier checked all the manholes and inspection chambers
• High pressure cleaning• Cleaning water collected and RP checked before
disposal• Sludge treated as radioactive waste
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Civil Engineering: various repairs
IEFC
• New, extension of, repair to water collecting gutters
• Exchange of all remaining PVC pipes by PE pipes
• New drain connection
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Heavy handling equipment
IEFC
• PR544 maintenance and test
• Power supply rail (feeding TT20 for transport vehicles) has been removed from TDC2
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Magnet upgrade
IEFC
One manifold dismounted in order to estimate time needed for future exchange
Cooling flexible replacement completed in TDC2 (joints replaced)
About 120 seals exchanged
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Magnet upgrade
Splitter rails and vacuum tank
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Cabling activities
•Re-routing of 5 Cable trays (5x40m)
•Replacement of 70 DC and 42 control cables
•Installation of 10 new cables (new requests)
IEFC
Gangway
Average 100µSv/h. Max: 500µSv/h
Courtesy of I. Moya
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IEFC
Cabling activities
Control
Power General services
New situation
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•Replacement of emergency and conventional light fittings
•Total 66 emergency light fittings (Not compliant with current standards)
•Total 338 conventional light fittings
•Replacement of AUG buttons
•Replacement of power distribution outlets
•Installation of cable distribution for vacuum pump heaters
IEFC
Emergency radiation resistant LED light fitting
High Power LEDs hung from walkway
TCC2
TDC2
Conventional light fittings
Low voltage activities
Courtesy of J. Devine
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Target refurbishment
• Preparation in EHN1 cleanroom:• Production of new monitors and
target boxes for target stations T2, T4, T6 & T10 + spare
• survey and vacuum & motorisation tests
IEFC
Courtesy of D.Grenier
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T2, T4 and T6 target refurbishment
• In TCC2:• Proximity cabling has been renovated• Old monitors and target boxes remotely removed• Dedicated shielded container for long term
storage in B. 954 and 955.• Re-installation of new monitors and target boxes
currently in progress
IEFC
Courtesy of D.Grenier
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• Upgrade of 12 XTAX tables:• Removal of spiral springs (screw protection)• Jacks greasing• Functional test of each tables• Cleaning and maintenance of the base plates• Realignment of XTAX4
XTAX table upgrade
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• Vacuum consolidation• New beam pipes (100m)• New ion pumps (10 units)• Heated collars
Vacuum consolidation
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• New TCSC collimator• New beam instrumentation
• A few new units• Maintenance of 40 beam instruments
Collimator & beam instrumentation
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Outline
Objectives and schedule
Completed activities
Dose management & budget
Conclusions
IEFC
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Dose management
IEFC
Operational dose Cumulated collective dose on 02.10 = 82539 uSv
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inférieur à 100 uSv
entre 100 et 250 uSv
entre 250 et 500 uSv
entre 500 et 1000 uSv
entre 1000 et 1500 uSv
entre 1500 et 2000 uSv
entre 2000 et 2500 uSv
0
50
100
150
200
250
204
4936 37
21
2 1
# personnes
# personnes
Maximum individual dose on 04.09 = 2033 uSv # of participants: 362
Dose management
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Budget
IEFC
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Outline
Objectives and schedule
Completed activities
Dose management & budget
Conclusions
IEFC
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Conclusions
IEFC
The TDC2/TCC2 consolidation activities are successfully completed, within schedule, budget and with no major problem.
The corrective and preventive maintenance recently implemented will reduce corrosion of the vacuum equipment and reduce machine downtime in the future operation of the beam lines.
Individual dose management has been challenging for some groups.
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TEAM WORK
IEFC
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Acknowledgements
• P. Catherine, M. Dumas, J. Bauche, P. Schwarz, M. Duraffourg, C. Vuitton, M. Hamani, R. Folch, D. Grenier, Z. Ajdid, M. Calviani J. Ferreira, T. Mongelluzzo, P. Chiggato, B. Rio, P. Debernard, R. Morton, A. Dodard, J-C Guillaume, D. Ricci, G. Gros, M. Da Costa, M. Dujardin, J-P. Billon-Grand, J. Pierlot, C. Crombez, S. Delarue, J. Devine, I. Moya, J-F Faure, A. Herve, Y. Pira, C. Theis, H. Vincke, L. Ulrici, Y. Algoet, M. Piccard, L. Gatignon, I. Efthymiopoulos, E. Harrouch, A. Bouvard, Y. Muttoni, C. Magnier, F. Galleazzi, A. Beynel, P. Bestmann, M. Troillet, S. Girod, A. Ebn Rhamoun, J. Etheridge, M. Bonnet, T. Wijnands, A. Pardons, J. Pedersen, Y. Seraphin, J-L. Grenard, C. Bertone, P. Brunero, P. Vallet, S. Deleval, A. Avian, B. Bannister, J. Lehtinen, F. Moro, R. Barrilliere, M. Baudin.
IEFC
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