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Case Study

NIS Ltd Bogie Recovery for Nuclear Plant

In late 2018 North Sea Winches completed the delivery of two specialist winches for a nuclear site in conjunction with James Fisher Nuclear, NIS Ltd and ran by Sellafield in Cumbria. The project known as BEPPS1/DIF project was to recover bogies situated within the towers of the nuclear site in the event of emergency with an expected winch operating & life span of 100 years.

North Sea Winches had supplied to the nuclear industry before and the job was won based on our experience within this sector.

From its inception through to completion the project had a few challenges which we were able to overcome with our commitment to manufacturing excellence and stringent quality & documentation management systems.

As is the nature with supplying to the nuclear industry it was imperative that quality and traceability were at the forefront of what the project required and thanks to our on-site design, manufacturing, painting, testing and documentation departments we were able to offer a 360 degree service to the client.

The performance statistics for both winches are as follows:

24Te GME-1000 Winch

  • Standard - The design uses B.S. 2573 Part 2
  • Winch Rating -24 tonnes (235.4 kN) on upper layer at 1 metre/minute maximum 
  • Capacity for 18 metres of wire rope in a single layer
  • Classification of Mechanism - Service life < 800 hours = T2 based on irregular use
  • Rope size - Design based on 30mm rope

8.2Te GME-200 Winch

  • Standard - The design uses B.S. 2573 Part 2
  • Winch Rating -8.2 tonnes (80.44 kN) on first layer at 3.2 metre/minute maximum 
  • Alternate rating 8.2 tonnes (80.44 kN) on first layer at 1 metre/minute
  • Capacity for 350 metres of wire rope in 3-4 layers
  • Distance from spooling gear to first roller = 4 metres
  • Classification of Mechanism -Service life < 800 hours = T2 based on irregular use
  • Rope size - Design based on 20mm rope