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CERN Safety Guidelines: Ensuring Workplace Safety During LS2 Maintenance

This guide focuses on CERN's safety procedures during the Long Shutdown 2 maintenance period. It covers safety organization, preventive actions, conformity issues, ALARA optimization, safety training, and workplace safety measures. Learn about the importance of consulting, planning ahead, and ensuring conformity to safety standards. Discover how CERN handles complex operations, unique equipment, and contractor work. By following these guidelines, you contribute to a safe working environment for all involved in LS2 activities.

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CERN Safety Guidelines: Ensuring Workplace Safety During LS2 Maintenance

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  1. Last but not least :LS2 General Safety Thomas Otto, LS2 Safety Coordinator for LHC Ana-Paula Bernardes, LS2 Safety Coordinator for Injectors

  2. Outline Thomas Otto LS2 General Safety • Scope • Who is in charge ? • (Safety Organisation @ CERN) • Plan ahead ! • Preventive Safety actions • Conformity / Preventive Workplace Safety • ALARA • (Safety) training • VIC • Summary

  3. Setting the Scope Activities independent from the operation (i.e. surface, Linac4…) Long Shutdown Commissioning Operation Technical Stop * LS2 YETS 2017 YETS 2015 EYETS 2016 3 1 2 4 Thomas Otto LS2 General Safety LHC Performance Workshop 2016

  4. Who is in charge ? Consulting Means Rules / Advice Hierarchical Line Thomas Otto LS2 General Safety

  5. Plan ahead Thomas Otto LS2 General Safety

  6. Two aspects of Safety Thomas Otto LS2 General Safety

  7. Conformity Issues Thomas Otto LS2 General Safety • Conformity: an item meets the essential requirements of a given (safety) standard • “Equipment X is conform to Standard EN 1234” • Have all relevant items inspected • HSE unit inspection service • Make conform, where necessary • Technical measures • Technical documentation and manuals • Train workers

  8. Preventive Workplace Safety Thomas Otto LS2 General Safety • Workplace Safety ascertains that a worker uses a conform equipment in a safe way • Risk Assessment of relevant processes • Technical experts • Safety (support) officers • HSE unit experts • Put into place recommended actions • Establish process manuals • Train workers

  9. What to consider relevant ? Thomas Otto LS2 General Safety • Equipment and tools which are • modified by CERN • entirely developed by CERN • Operations and Processes • of high complexity • involving unique equipment, tools, methods • taking place in special environments • Industry-type work by contractors is covered in PP

  10. ALARA, radiating shining example Thomas Otto LS2 General Safety • The ALARA dose optimisation process • Based on a process description (with timing) • Collaboration between executing unit and HSE • Optimisation of a measurable objective (dose) • Other safety aspects often included: asbestos, physical constraints, … • An example of successful safety prevention • Frequently necessary in LIU projects • 1st ALARA III committee for EYETS in Nov. 2016

  11. Safety Training Thomas Otto LS2 General Safety • Formal Training (HSE unit) • Capacities limited • Plan requirement ahead (personnel scheduling) • Language issue unresolved • On-the-job training (Supervisor’s responsibility) • For processes and equipment • Include in schedules

  12. Visited’InspectionCommune Thomas Otto LS2 General Safety By professional Safety Coordinator or by the “Works and Services Supervisor”(GSI-WS-1, “Safety coordination for works and services”) Coordination of co-activities Takes place shortly before intervention Too late to make important changes If not successful, delaying the start of works

  13. Plan ahead (reminder) Thomas Otto LS2 General Safety

  14. Summary Thomas Otto LS2 General Safety • LS2 is the umbrella to • Accelerator upgrade projects • Consolidation projects • Routine maintenance • A Safety Framework is developed, based on • Conformity & Preventive Workplace Safety • Adequate (Safety) Training • The (well-known) hierarchical line of Safety responsibility remains in place, with support from Projects, Coordination and HSE unit

  15. Thank you for your attention. Have a safe way home.

  16. Thomas Otto LS2 General Safety

  17. Who is in charge ? Consulting Means Rules / Advice Hierarchical Line Thomas Otto LS2 General Safety

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