A team from the university’s Virtual Engineering Centre developed a virtual reality simulator to train operators of a specialist crane which removes nuclear waste from the site. Tony McDonough reports
Digital experts from the University of Liverpool have developed a virtual reality (VR) safety training tool that will save Britain’s biggest nuclear waste site an estimated £20m a year.
The university’s Virtual Engineering Centre (VEC) was approached by Sellafield, a former nuclear power complex in Cumbria, looking for ways in which VR could be used to train and ensure the safety of the specialist operators of its newly commissioned nuclear waste removal crane.
The crane is designed to scoop up and remove hazardous material from Sellafield’s 70-year-old pile fuel cladding silo. The building was originally designed to be permanently sealed, meaning innovative ways of accessing and retrieving the waste have had to be developed.
VEC experts met with the Sellafield team at the VEC innovation centre at Sci Tech Daresbury and, using existing Sellafield 3D design models, created a simulator of the silo and crane.
Using an exact replica of the crane’s operator chair, control joystick and spatial working environment, together with selected digital tools, a precisely scaled immersive, mixed reality model of the crane and its operating waste removal environment was created.
The crane training simulator has provided a realistic environment for Sellafield’s operators, allowing them to learn to drive the nuclear waste retrieval crane in a safe environment, before the full scale training environment was available.
This has ensured greater levels of safety whilst increasing productivity, by building operator confidence quickly and reducing the overall project delivery schedule.
Sellafield has been so impressed with the simulator that the silo waste retrieval team has made the decision to use it as the primary tool for crane operator training. This has allowed Sellafield to re-purpose the full-scale training rig it had originally planned to use, as a second retrieval system, saving £20m on the cost of future waste retrievals.
Lynn Dwyer, head of commercial for the VEC, said: “As a team we are extremely proud of this project. It showcases the in-house expertise we have at the VEC. It was a pleasure to work with the Sellafield team to produce a cutting-edge training solution that has reaped huge cost and productivity savings.”
The VEC and Sellafield collaboration has also recently achieved a highly commended in the Safety in Innovation category at the Nuclear Decommissioning Authority Safety and Wellbeing Awards.