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Case Study

Integration of Modern Access Ports for Safe Inspection in Legacy Facilities

Ensuring effective nuclear shielding is critical when upgrading legacy nuclear inspection facilities.

TÜV SÜD collaborated with the UK National Nuclear Laboratory (UKNNL) to assess and implement shielding solutions that support the safe inspection of nuclear materials through the integration of modern access ports. 

 

Client name: United Kingdom National Nuclear Laboratory (UKNNL)  

Industry: Nuclear

Profile: Established in 2008, UKNNL solves global challenges in clean energy, environmental restoration, health and nuclear medicine.

Business challenge: To support the continuation of safe inspection activities of nuclear materials in legacy facilities.

Our solution: A wide range of shielding codes and calculations to provide accurate assessments of dose across the facility and the shielding requirements.

Business benefits: Robust assessments of dose, source terms and shielding to enable decision making. Flexible working with the client to provide an efficient service.

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Mick worked very closely with the Engineering and Safety Case team on the project, gaining project buy-in to significant shielding improvements without which the final shielding assessment would not have been successful. He has turned around quality assurance on numerous urgent shielding assessments very quickly, while providing a thorough technical review and clear helpful comments.

Richard Blackledge

UKNNL Technical Shielding Lead

 

Explore Our Nuclear Shielding Services 

TÜV SÜD offers a wide range of services for the nuclear energy industry, including radiation shielding for legacy facilities, source term evaluations, and safe inspection of nuclear materials. 

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FAQs on Nuclear Shielding

  • What is shielding in the context of nuclear safety?

    Nuclear shielding involves calculating the how much material is required to attenuate ionising radiation emitted from nuclear sources such as reactors and radioactive materials together with shielding locations and depth. Medical facilities and nuclear power stations need to be designed in such a way that shielding is effective in protecting humans from harm. 

     

  • Why is nuclear shielding important?

    It is essential in preventing harmful radiation from escaping into the environment and to ensure that operators and the public are protected. Shielding also enables compliance with regulations such as the Ionising Radiations Regulations 2017.

     

  • What kinds of materials are used in nuclear shielding?

    Concrete, steel, water and lead are commonly used in radiation shielding. The effectiveness of the shielding depends on the material’s thickness, density, composition and the type of radiation being shielded. 

     

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