Our teams are working with the CNEPE to study the constructability of the EPR2. Thanks to the modeling of operating procedures, we identify space-time clashes in advance and propose reliable alternatives to secure the project.
2024 - Ongoing
France
Nuclear
EDF
As part of the EPR2 project, the constructability study is crucial in order to anticipate the difficulties associated with assembly and maintenance. New generation reactors require careful planning, taking into account the imperatives of safety, costs and deadlines. At the same time, feedback from previous projects shows that it is essential to analyze the feasibility of operations beforehand, whether they are temporary installations (cranes, platforms, storage areas) or assembly and maintenance procedures.
For the CNEPE (National Center for Electrical Production Equipment), our teams model operating procedures in 3D and simulate various scenarios, in order to identify possible space-time clashes or structural limits that may hinder the smooth running of the construction site. This preventive approach makes it possible to propose technical alternatives (sequencing of activities, choice of cranes, access areas, etc.) and to issue recommendations to optimize the schedule and reduce additional costs. Ultimately, the constructability study contributes to the reliability of the entire EPR2 project, by ensuring smooth coordination between all stakeholders.
The CNEPE wanted expertise to inform the choices of construction and maintenance of the EPR2, taking into account physical constraints (height, space, weight of the elements), sequences of operations and nuclear safety standards. The objectives include reducing the additional costs associated with replanning during the construction site, the prevention of delays due to possible clashes and the implementation of constructive methods adapted to the specificities of EPR2.
Secure planning through the 3D simulation of operating procedures.
Prevent structural and spatial conflicts before work begins.
Propose alternative methods to limit risks and additional costs.
Our teams use an advanced constructability approach, in particular by modeling handling, lifting and assembly operations. The detailed analysis of spatial and temporal collisions helps to optimize the calendar and prioritize priorities. At the same time, recommendations are issued in order to strengthen the safety and reliability of the site: adaptation of cable trays, management of the storage of heavy parts, distribution of work areas, etc. This proactive method limits unforeseen events during the construction phase and reduces the costs inherent in late modifications.
Create a dynamic model to check the feasibility and sequencing of tasks.
Refine lifting and handling solutions for each critical element.
Deliver an action plan integrating safety, deadlines and industrial constraints.
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