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Case Study

Supporting scientific research with our technical expertise

The European Spallation Source (ESS) is one of the largest science infrastructure projects being built in Europe today. Vysus Group has been working alongside ESS since the design phase began in 2011.


Organised as a European Research Infrastructure Consortium, or ERIC, with member countries throughout Europe, this next-generation research facility is being built through the collective global effort of hundreds of scientists and engineers. Together, they have developed and specified a technical design of the facility, including the accelerator, the target station, and instrument concepts.

Formerly, as LR Energy, Vysus Group has worked with European Spallation Source (ESS) since 2011 when the design phase of this highly significant project began.

How we helped

As part of the framework agreement we have with ESS, our scope covers technical areas, including Environment, Safety, Health and System Engineering. This covers areas such as Requirements Engineering (analysing, specifying and structuring requirements), working with hazard analyses, HAZOP, fault methods and reliability studies, as well as Safety Integrity Level assessment and verification.

This scope enables ESS to draw upon our general knowledge of analysis methods as well as expert competences in specialist areas such as deterministic safety analysis, probabilistic safety analysis, hazard and risk analysis, fire safety, radiation safety, radiation protection and radiation waste treatment.

The impact

The project is a highly ambitious undertaking that relies on a broad range of expertise. The timeframe is relatively short and budget is limited. Without the right support at the right time, ESS could face delays in the licensing schedule – which would have major consequences for the project delivery.

Working alongside ESS, on-site we have conducted various hazard and risk analysis assignments on the accelerator, instruments, active waste building and the target station, including radiation shielding calculations and seismic hazard analysis. We have authored and reviewed Preliminary Safety Analysis Report (PSAR) and supported ESS with licensing, in compliance with Swedish regulations and requirements.

This project was carried out by Lloyd’s Register (LR) Energy, prior to the strategic carve out of the LR Energy business in 2020, which is now Vysus Group.

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