Context

In order to ensure that the CERN Personnel Safety Systems will continue to adequately perform their safety functions while complying with the requirements of the Regulatory Bodies, a Consolidation Program has been approved.

The Consolidation Program is motivated by the timely replacement or upgrade of equipment due to obsolescence or ageing of technology. Moreover, it will be an opportunity to consider new functionalities required by HL-LHC as well as to perform a compliance audit that could lead to an update of the overall Safety concept.

Following the ‘Underground Safety Systems Consolidation’ review (18-19 October 2022) which scrutinized the proposed projects, and in agreement with the review committee findings, comments and recommendations, the global consolidation activities will be grouped into one single Program.

Since Safety of the Personnel as well as accelerator availability are of highest priority, this Program is considered critical for the Organization and initial funding has been made available for the coming years to consolidate and remedy some of the existing systems. It is now necessary to set up a formalized Program, taking responsibility for the requirements, execution, monitoring and completion of the work.

Scope

Since this is a set of 13+2* specific projects (* two new projects have been added in 2023), it was decided to use the term “Program” instead of “Project”. Refurbishing of the LHC Personnel Safety Systems to ensure compliance with safety regulations and their reliability until 2042, is the main driver for the Program. In addition, the SPS and PS complexes will also be included in the scope of critical systems. The Program shall be optimized with a view to allowing the use of larger scale, cost-effective contracts and mutualizing the human resources for integration, work supervision, test, commissioning and maintenance.

The following list shows the Safety Systems included in the scope of the Program.

It should be mentioned that PSS of NA-CONS, TG-CONS, HL-LHC and CERN campus are excluded from the scope of the Program, budget wise. However, synergies (Schedule, Procurement), harmonization and standardization (Components) between all these projects will be developed wherever possible.

Personnel Safety Systems network

Mandate

The Program leader will:

• Propose a Program organisational structure, identifying all the stakeholders and including responsibility, risks ownership and reporting matrixes – February 2023;
• Perform a preliminary global Program risk analysis review in order to identify priorities – March 2023;
• Present activity priority ranking; propose a calendar for staged implementation, including risk mitigation and compensatory measures – March 2023;
• Perform individual system consolidation review, starting with the most urgent items.
• Ensure the coordination with the other units/departments during the requirement definition phase-throughout 2023;
• Evaluate the pertinence of the individual system objectives and appropriateness of the technical solutions proposed, covering its entire lifecycle throughout 2023; Present the resource needs (M+P), to be regularly audited by a Cost and Schedule
• Review Committee and make sure that adequate material and personal resources are allocated according to the priorities that will be decided throughout 2023;
• Follow up and monitor the work progress, budget and schedule January 2023 to December 2025,
• The program leader will report to the ATS Director (Complex Manager) and present regular status report at the ATS-MB meeting.

Click here to view the complete Personnel Safety Systems Consolidation program Mandate.

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