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Risk analysis : - Splitters replacement - TCSC replacement

Risk analysis : - Splitters replacement - TCSC replacement. WG TDC2/TCC2 18 th June 2013. General risks. Common risk related to handling operation Breakdown of a handling equipment : Renewed and spares pieces available for repairs External exposure: Reduced to the minimum.

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Risk analysis : - Splitters replacement - TCSC replacement

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  1. Risk analysis :- Splitters replacement- TCSC replacement WG TDC2/TCC2 18th June 2013 E. HARROUCH EN/MEF

  2. General risks • Common risk related to handling operation • Breakdown of a handling equipment : Renewed and spares pieces available for repairs • External exposure: Reduced to the minimum. • Number of contact operation very limited • Time of exposure limited • Add of shielding and training of the operators to optimize their position during the operation E. HARROUCH EN/MEF

  3. Risk analysis for North Area splitters replacement • Procedure • Hazard inventory, risk analysis and proposed measures step by step E. HARROUCH EN/MEF

  4. Where are they installed? TDC2 BA 80 One groups of 3 magnets They are designed with V supporting and automatic plug ins Installation rails are on place, and prealigned with the magnet E. HARROUCH EN/MEF

  5. Replacement procedure for North Area splitters • Slides from Jean-Louis : https://espace.cern.ch/sba-workspace/tcc2wg/21st%20Meeting/default.aspx?InstanceID=1 Installation has as well been tested https://edms.cern.ch/document/1155859/1 E. HARROUCH EN/MEF

  6. 3 2 1 E. HARROUCH EN/MEF

  7. 1ere étape : Retrait des splitters JL GRENARD EN/HE

  8. 1ere étape : Retrait des splitters E. HARROUCH EN/MEF

  9. 2ere étape : Dépose du splitter dans le fond du TDC2 E. HARROUCH EN/MEF

  10. 3eme étape : Réinstallation du splitter sur les tables plugins E. HARROUCH EN/MEF

  11. Risk analysis for the TCSC replacement • Procedure • Hazard inventory, risk analysis and proposed measures step by step E. HARROUCH EN/MEF

  12. Procedure TCSC 954 • Removal of the TCSC for storage in the 954 • Transport of the TCSC with the PRATT to the entrance of TCC2 • TCSC moved into TA801 with the trailer • The TCSC is lifted into the PA80 and transported to the 954 for storage BA 80 • Installation of the new TCSC in TDC2-> Inverted procedure JL GRENARD EN/HE

  13. 1ere étape : Retrait du TCSC E. HARROUCH EN/MEF

  14. 1ere étape : Retrait du TCSC E. HARROUCH EN/MEF

  15. 1ere étape : Retrait du TCSC E. HARROUCH EN/MEF

  16. 2eme étape : Roulage jusqu’en TCC2 E. HARROUCH EN/MEF

  17. 3eme étape : Reprise avec la remorque en TCC2 E. HARROUCH EN/MEF

  18. 4eme étape : Roulage jusqu’en bas du PA80 E. HARROUCH EN/MEF

  19. 5eme étape : Reprise au pont puis stockage au 954 E. HARROUCH EN/MEF

  20. Conclusion • Temps de réflexion du LS1 • Une grosse défaillance semble très improbable une fois toutes les mesures prises. • Les dangers les plus probables mènent àune situation non critique. E. HARROUCH EN/MEF

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