CONTEXT AND CHALLENGES

This project, located on a French industrial site dedicated to the nuclear fuel cycle, is the new uranium enrichment plant developed by a major energy player. It replaces the former facility and uses centrifuge enrichment technology, enabling major reductions in energy consumption and significant improvements in industrial performance.

In this context, Assystem supported the Engineering Contractor in carrying out the tests for Unit 1 of the future plant (South and North sections), covering electricity, operations and instrumentation & control, process, mechanical systems, and utilities.

MIssions

Engineering & Specifications (North section)

  • Preparation of the technical requirements specification for the Control System Programming package.
  • Drafting of Functional Analysis (FA) and Independent Functional Analysis (IFA) for process, mechanical systems, and auxiliaries.
  • Preparation of Engineering Change Request forms (ECR).
  • Supplier follow-up during application development.
  • Software configuration management (Schneider Premium/Quantum/Momentum PLCs + Citect SCADA).

Owner's Engineer Support – Testing and Integration (North & South sections)

Package 1 – Preparation

  • Validation of supplier test documentation.
  • Incorporation of design modifications into test sheets.
  • Preparation of Construction → Testing handover documents.

Package 2 – Execution

  • Participation in plant handover walkdowns.
  • Monitoring and validation of supplier tests.
  • Execution of inter-package integration tests.

Package 3 – Assessment

  • Review and validation of test reports.
  • Preparation of assessment documents and feedback (lessons learned).

Client benefits

  • Strict adherence to the schedule to ensure the fastest possible start-up under optimal conditions.
  • Monitoring compliance with nuclear obligations with respect to the ASN (French Nuclear Safety Authority).
  • Ensuring flexibility and the rapid integration of priority changes resulting from project developments.
  • Enhanced communication with the client's control systems team leader.
  • Compliance with the delivery schedule for software applications and associated documentation, contributing to the plant's commissioning on the planned date.
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