project

Studies and implementation of PLM for the dismantling of a nuclear plant

Design / Digital engineering Nuclear France

Context and challenges

This client is a leading group in the energy sector, in particular the nuclear industry. It operates the facility in question, which is used to service and store equipment and tools coming from contaminated systems and equipment of nuclear reactors, except for fuel elements. This mainly includes guide tubes, work tools, equipment used specifically for dismantling and vessel lids.

As part of the dismantling of this facility, the client agreed with the Nuclear Safety Authority to carry out a certain number of safety studies. It must comply with the deadlines specified in the dismantling file submitted (two years after the declaration of intention for the definitive shutdown of the facility).

The client entrusted Assystem to carry out design studies (detailed design engineering, safety, environment and security reports).

Project scope

  • Execution of design work: consolidation of preliminary design work and preparation of detailed design engineering.
  • Production of regulatory documents required in dismantling file.
  • Monitoring of radiological investigations.

In the course of these tasks, a PLM (Product Lifecycle Management) platform was introduced to improve the quality of the service and to share data:

  • Introduction of optimised document management (in particular including internal workflows).
  • Introduction of requirements management to structure and ensure the traceability of information and the conformity of work throughout the project.
  • Creation of a hybrid system organisational structure, the first part dedicated to the breakdown of the dismantling project (PBS - Project Breakdown Structure), a second part covering a geographical breakdown of the building (GBS - Geographical Breakdown Structure).

Client benefits

  • Gains in productivity and in quality of deliverables through the pooling of reliable, organised and accessible information.
  • Securisation of project, especially for dismantling scenario phases, through better monitoring of requirements and their justification.
  • Reduction of technical project risks by combining, requirements, sources and response documents.
  • Gains in efficiency through faster and easier access to relevant data, through centralised information (requirements, input documents, deliverable documents) and more effective organisation of data in the client's system structure.

IN FIGURES

41

project requirements processed

1,000

hours of engineering

103

deliverables

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