- Products
- Mechanical and remote handling
- Remotely operated vehicles
- Engineered containments and gloveboxes
- Modular and containerised systems
- Radiation tolerant equipment
- Radioactive sources
- Safety related systems
- Shielded equipment and facilities
- High-integrity control systems
- Safety case development
- Safety case substantiation
- Safety system design
- 3D modelling
- Configuration management
- Design analysis
- Design consultancy
- PES and control systems
- Software lifecycle processes and programming
- 3D modelling and data handling
- Building infrastructure and services
- LASER scanning
- Optical and radiation surveys
- Plant and waste characterisation
- SONAR scanning
- Through-life support
- Remote inspection systems
- Radioactive source store
- Long Reach tooling solutions
- Removal of structural feature from MEB
- Rodman II commissioning
- Archive
- JFN planted 500 trees with the West Cumbria Rivers Trust
- National Apprenticeship Week
- JFN awarded renewal of Sellafield ROV contract by The Decommissioning Alliance
- NDL win multi-million pound HALSEF decommissioning strategy project
- Archive
Hydraulic tooling development & trials
Limited access steelwork cutter and chipping hammer tooling for underwater deployment and remote operation.
The Pile Fuel Storage Pond (PFSP) was built in 1949/50 for the purpose of receipt and storage of fuel and isotopes from the Windscale Piles as well as the decanning of the fuel elements prior to reprocessing. Following the closure of the Windscale Piles and commissioning of the Magnox Fuel Storage Pond, plant operations were scaled down, although the facility was still used as a storage facility for some materials. PFSP is now undergoing decommissioning.
One of the PFSP decommissioning challenges is the dismantling and removal of an underwater steel framework. Much of the frame could be cut using existing equipment, but a particular channel of the frame had limited access and required a new, more compact cutting tool. This cutting tool would be deployed and operated remotely underwater. JFN was tasked to design and manufacture a deployment mechanism, and undertake trials of the equipment on a mock-up of the relevant pond area and steelwork.
Only two sections of the channel required cutting, therefore a quick, cheap solution was requested, if possible utilising an ‘off the shelf’ hydraulic cutting tool.
Download the Hydraulic tooling case study