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Engineering, works
and maintenance for the nuclear industry

With almost 40 years of experience, Ortec is a recognised expert in the nuclear field, both in France and worldwide. The group has all the authorisations needed to take part in everything from design engineering to nuclear maintenance, in a shared endeavour to ensure the safety of installations.

Ortec for the nuclear industry

An integrated group with a specialist approach, Ortec supports the nuclear industry in carrying out even the most complex of projects, and ensures the maintenance and operational safety of nuclear plants on a daily basis.

The Major Energy Projects unit (GPE) coordinates the group’s nuclear expertise to ensure the effective management of national framework contracts and of projects to update safety systems or replace key components.
With a total of 750 people, 20 branches and 50 years of experience, the GPE unit coordinates the activities of the Nuclear Works and Nuclear Maintenance departments (Orys) and the Nuclear Engineering department (SOM) on ongoing projects.

  • Engineering :
    • Feasibility studies, preliminary studies, development studies, risk analysis, etc.
    •  Calculations
    • Preliminary design (PD) and final design (FD)
    • Budget estimation / PMO / Contract management
    • Preparation of specifications/consultation documents
    • Design/3D modeling
    • Preparation and monitoring of works/testing
    • Nuclear safety/regulatory files
    • On-site surveys/3D telemetry
    • Manufacturing monitoring/supplier quality inspection
  • Maintenance :
    • Piping, metalwork, mechanics, mechanisms, electricity, valves
    • Non-destructive testing
    • Heavy handling operations
    • Industrial cleaning
    • Transport
    • 1/2
    • Sanitation
    • Decontamination
    • Shutdown operations

Our nuclear industry subsidiaries

  • SOM, specializing in engineering, provides design and calculation services, project management, industrial and nuclear risk management, and site engineering for new projects.
  • Orys, specialised in the manufacture, assembly, non-destructive testing and maintenance of sheet-metal equipment and piping. Orys has been approved by EDF as a top-tier supplier of nuclear piping and valves for the entire French fleet. Ortys, specialised in the industrial cleaning of nuclear equipment (condensers, heat exchangers, etc.).
  • Ortys develops innovative processes such as the NT4 solution or the scale solvent for condensers in nuclear power plants.

Certifications for working in a highly sensitive sector

  • ISO 9001: design and implementation of maintenance projects and services in the nuclear and hydraulic energy sectors and in industry, in the areas of mechanical engineering, electrical engineering, dismantling, decontamination, handling and transport.
  • ISO 19443: Delivery of high-quality services and activities that comply with regulations, the requirements of customers in the nuclear sector, and nuclear safety issues.
  • CEFRI-E: performance of work under ionising radiation in nuclear installations.
  • MASE: certification for industrial maintenance activities in the areas of mechanical engineering, valves, metalwork, piping and nuclear dismantling.

Our assets for the nuclear industry

  • Experience in managing and steering major projects
  • Combined capabilities and expertise in engineering, manufacturing, and construction
    Expertise recognized by major nuclear contractors (Ortec is a strategic supplier to EDF)
  • Network of agencies strategically located near 80% of French nuclear power plants and engineering centers

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