Preliminary Market Engagement Webinar – Decommissioning and Demolition of BEPO Reactor, Harwell

Tender description

Magnox Limited is currently preparing to initiate a procurement process for the decommissioning and demolition of the British Experimental Pile 0 (BEPO) reactor at Harwell, Oxfordshire. <br/><br/>Magnox wishes to carry out pre-market engagement with interested suppliers to investigate the current market capabilities and gain knowledge about existing and future products and techniques which may assist informing Magnox in the development of the sourcing strategy and any subsequent tender documentation. Lot 1: Harwell BEPO Decommissioning Programme <br/>The end state objective of this programme is to decommission and demolish the BEPO reactor and Hangar 10 Complex and to remove all underground liabilities from the land they occupy. <br/>The Harwell BEPO Decommissioning Programme is comprised of two main Projects running in tandem: BEPO Reactor Project and BEPO Ancillary Project. Magnox is seeking early engagement with suppliers on how they can support Delivery of the BEPO Reactor scope of works. <br/><br/>BEPO was shut down in 1968, and has subsequently undergone Stage 1 and Stage 2 decommissioning as defined by the International Atomic Agency (IAEA). <br/>Further decommissioning took place in 1993/94 and 2000 after which BEPO was left in a Care and Maintenance (C&M) state as a category 3 facility.<br/><br/>BEPO Reactor Project<br/>To complete the Stage 3 decommissioning (as defined by the International Atomic Agency (IAEA), comprising the removal of the reactor and sub-structures immediately under the footprint of the reactor, the following will be required:<br/>Design and Build<br/>This phase will develop the output of the Concept and Scheme phase, producing the Detailed Design specifications for the Process Plant & Equipment (PP&E) to deliver the scope of works.<br/>It is proposed that this stage will comprise several elements including:<br/>• Detailed Design<br/>• Manufacturing assembly.<br/>• Factory testing.<br/>• Mobilisation of welfare, offices, and temporary storage.<br/>• Install and Commission of the PP&E.<br/>• Removal of the Thermal column.<br/>• Training of operations team.<br/><br/>Decommissioning Operations<br/>The bulk removal of graphite from the reactor, processing and packaging into the designated waste pack for onward transport and storage. <br/>• Mobilisation and training of operations contractor.<br/>• Removal, characterisation, processing, and packaging of BEPO graphite, and shut down & control rods.<br/>• Annealing of graphite.<br/>• Characterisation, size reduction and removal of steel plates surrounding the pile.<br/>• Processing and packaging of waste for interim storage or disposal.<br/>• Reseal reactor.<br/>• Demobilise redundant PP&E and package for waste disposal.<br/><br/>Demolition<br/>The removal of the BEPO bio-shield that contained the reactor pile and associated underground structures. This phase also includes the Hangar 10 demolition and ground remediation.<br/>• Removal of the external cladding of the reactor.<br/>• Characterisation & demolition of the bio-shield & substructures and removal of mortuary tubes.<br/>• Hangar 10 Pre-Works surveys and characterisation.<br/>• Hangar 10 Final & confirmatory asbestos surveys and removal.<br/>• Demolition of Hangar 10 and office complex.<br/>• Remediate land and underground features and reinstate land.<br/>• Processing, packaging, and disposal of waste.<br/><br/>It is proposed to package works as 3 main contracts: <br/>- CR1 Design and Build<br/>- CR2 Decommissioning Operations<br/>- CR3 Demolition. Additional information: The market engagement documents (including additional information slide pack) are available for unrestricted and full direct access, free of charge. If you have not accessed the Atamis portal before, you will need to register. This can be done online at https://one-nda.force.com/s/Welcome by following the link ‘Register here’.