1. PERSONAL SAFETY INTERLOCKS External EHS Expert Panel Workshop

2. CURRENT STATUS Functional Concept (Conceptual Design)
RSD for tender (negotiated procedure)
Negotiated procedure to be launched
Internal review
External review
Meetings with companies

3. PERSONAL SAFETY INTERLOCK
Integrated Safety System
PLC based
Defined safety modes of PSI controlled areas
Defined roles and reponsibilities
Defined procedure for safe operation
IEC 62061, IEC 61511, and IEC

4. CONCEPTUAL DESIGN Baseline for negotiations
Summary of forseen functions
Contains: - Preliminary Hazard Analysis - Definition of basic functions - Definition of safety area modes - Establishment of procedure - Basic description of interfaces - Warnings and visualization - Requirements on data management and reporting

5. PRELIMINARY HAZARD ANALYSIS
Hazard identification
Failures definition
Causes & Conseq.
Controls to be implemented
Hazards: - Ionizing radiation - Lasers - High volatge - Gases (flammable, toxic, O2 depleting) - Vacuum

6. PRELIMINARY HAZRD ANALYSIS
Areas affected
Doors to be interlocked
Controls to be implemented
PSI functions

7. AREA MODES
Definition of area modes for experimental halls E2-E6, E1, Plant rooms, and Beam transport
Description, requirements, and rules defined
Condition for mode transition

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

9. INTERFACE
Monitoring system (ionizing radiation, gases) (one way communication to PSI)
Access control system (mutual communication)
Fire alarm system (one way communication to PSI)
Machine safety system (one way communication to MSS)
Control system (one way communication to CS)
Laser Safety System

10. EXAMPLE

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

12. TENDER Negotiated procedure
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. Exact time for completion will be made during the negotiations.
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 PSI Administrative
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