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PERSONAL SAFETY INTERLOCKS External EHS Expert Panel Workshop

PERSONAL SAFETY INTERLOCKS External EHS Expert Panel Workshop. CURRENT STATUS. Functional Concept ( Conceptual Design) RSD for tender ( negotiated procedure ) Negotiated procedure to be launched Internal review External review Meetings with companies. PERSONAL SAFETY INTERLOCK.

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PERSONAL SAFETY INTERLOCKS External EHS Expert Panel Workshop

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  1. PERSONAL SAFETY INTERLOCKSExternal EHS Expert Panel Workshop

  2. CURRENT STATUS FunctionalConcept (Conceptual Design) RSD for tender (negotiatedprocedure) Negotiatedprocedure to belaunched Internalreview Externalreview Meetingswithcompanies

  3. PERSONAL SAFETY INTERLOCK IntegratedSafetySystem PLC based Definedsafetymodesof PSI controlledareas Definedrolesand reponsibilities Definedprocedureforsafeoperation IEC 62061, IEC 61511, and IEC 61508.

  4. CONCEPTUAL DESIGN Baselinefornegotiations Summaryofforseenfunctions Contains:-Preliminary Hazard Analysis- Definitionof basic functions- Definitionofsafety area modes- Establishment ofprocedure- Basic descriptionofinterfaces- Warnings and visualization- Requirements on data management and reporting

  5. PRELIMINARY HAZARD ANALYSIS Hazard identification Failuresdefinition Causes & Conseq. Controls to beimplemented Hazards:- Ionizingradiation- Lasers- High volatge- Gases (flammable, toxic, O2depleting)- Vacuum

  6. PRELIMINARY HAZRD ANALYSIS Areasaffected Doors to beinterlocked Controls to beimplemented PSI functions

  7. AREA MODES Definitionof area modesforexperimentalhalls E2-E6, E1, Plant rooms, and Beam transport Description, requirements, and rulesdefined Conditionfor mode transition

  8. PSI PROCEDURE Roles and responsibilities Access Search Release Emergencyprocedures Maintenance Failures

  9. INTERFACE Monitoring system (ionizingradiation, gases) (onewaycommunication to PSI) Access controlsystem (mutualcommunication) Fire alarm system(onewaycommunication to PSI) Machinesafetysystem (onewaycommunication to MSS) Controlsystem (onewaycommunication to CS) Laser SafetySystem

  10. EXAMPLE

  11. REVIEWS OF CONCEPTUAL DESIGN Internal: all relevant team at ELI BL (lasers, experiments, engineering, project management, planning, maintenance) External

  12. TENDER Negotiatedprocedure Deliverables:- Risk analysis;- Safety requirements documentation (SRS);- Design of the PSI system;- Hardware and Software;- Installation;- Verification, testing and validation - User Documentation (including maintenance plan);- Technical documentation (including documented source code, calculation/verification of SIL);- Documentation of the project management (including Project management plan, verification-validation plan, verification-validation documentation, etc.);- Tools and software for further development and maintenance.

  13. TENDER RDS done Notice done and to be sent to the suppliers Questionnaire and topics for negotiations done Entire project will be staged according to the project schedule based on re-scoping! Exact time for completion will be made during the negotiations.

  14. OPTIONS FOR E1 E1 operational safety Administrative PSI Trained personnel Strong safety culture Clear instructions Only for period until PSI will be installed! Pilz PSI based system Design done Basic programming done Only for period until PSI will be installed!

  15. Discussion

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