--- title: "Preliminary Market Engagement - Winfrith Marine Pipeline Decommissioning Reference number: Preliminary Market Engagement" ocid: "ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5" markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5.md" json_url: "https://d3tenders.com/contract/ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5.json" source: "Contracts Finder" current_stage: "Planning" buyer: "SELLAFIELD" published: "2022-06-24" --- # Preliminary Market Engagement - Winfrith Marine Pipeline Decommissioning Reference number: Preliminary Market Engagement Buyer: SELLAFIELD Current stage: Planning OCID: ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5) [Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-fd087bb9-663c-4ae0-88a8-f4698c50e6b5.json) ## Summary The public procurement process titled "Preliminary Market Engagement - Winfrith Marine Pipeline Decommissioning" is currently in the planning stage and is being managed by Sellafield, located in Thornbury, England. This engagement aims to explore market capabilities for the removal of the marine element of the Winfrith sea-discharge pipelines, which spans 3.7 kilometres. Key dates include the engagement end date on 30th September 2022. The procurement is classified under the CPV code for marine construction works, with additional classifications covering repair services, marine surveys, and decommissioning services. This tender presents valuable opportunities for businesses specialising in marine construction, environmental services, and ordnance surveying, particularly those with capabilities in pipeline decommissioning and unexploded ordnance surveys. The engagement allows suppliers to provide insights that could shape the tender documentation, ultimately facilitating effective compliance with the project's requirements. Companies looking to participate should register their interest and are encouraged to seek collaboration with others in the industry to strengthen their submissions. ## Notice Magnox Limited is currently preparing to initiate a procurement process for the removal of the marine element of the Winfrith sea pipeline. Magnox wish 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 tender documentation. The procurement is for the removal of the 3.7km marine and foreshore section Winfrith's sea-discharge pipelines (SDP) and their associated components, the segmentation of the pipeline into 5.0m sections, the onshore storage of the pipeline sections, and the removal of concrete foreshore protection. The procurement shall also include the undertaking of an unexploded ordnance survey and ordnance removal where required. Whilst the pipelines are not engineered into the seabed, 'grout-mattresses' and 'grout-pillows' are present at several locations to provide additional protection to the pipelines. Concrete dead-weights are located on the seabed to constrain the diffuser sections of the SDP and to anchor the sea buoy. Additional information: Magnox Limited is currently preparing to initiate a procurement process for the removal of the marine element of the Winfrith sea pipeline. Magnox wish 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 tender documentation. This will ensure that the requirements are effectively met and delivered in a strategy that meets market capabilities and requirements. It also provides procurement awareness for suppliers regarding this requirements. Any information gathered through this market consultation exercise may inform internal business planning and any possible subsequent procurement process and will NOT be appraised in any future tender evaluation exercise. Should you wish to participate in this exercise please register your interest by contacting Neil Allsopp using the contact details listed in this notice. The procurement is for the removal of the 3.7km marine and foreshore section Winfrith's sea-discharge pipelines (SDP) and their associated components, the segmentation of the pipeline into 5.0m sections, the onshore storage of the pipeline sections, and the removal of concrete foreshore protection. The twin pipelines are constructed from 15cm diameter Schedule 40 API 5L carbon-steel and comprise two 'low-active' pipelines (leading to diffusers approximately 120 m from the shore) and two 'active' pipelines (leading to diffusers approximately 3700m from the shore, some 30m below sea level). The outer surfaces of the SDP have bitumen-asbestos glass-fibre reinforced coatings and are encased in wire reinforced concrete (weight jackets). The procurement shall also include: * The undertaking of an unexploded ordnance survey and ordnance removal where required. * Removal of the entire marine section of the SDP including diffusers, dead-weights, cathodic protection and the sea buoy. * Controlled segmentation and 'end-capping' of the SDP into 5.0m sections. * Onshore stockpiling of the SDP sections and other components. * Removal of the concrete foreshore protection structure and foreshore reinstatement. ## Key Details | Field | Value | | --- | --- | | Publication source | Contracts Finder | | Latest notice | https://www.contractsfinder.service.gov.uk/Notice/e9f1ca20-0e6b-4cff-b003-4ae041467a3c | | Notice type | Market Engagement Notice | | Procurement type | Standard | | Procurement category | Not specified | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 24 Jun 2022 | | Submission deadline | Not specified | | Future notice date | 30 Sep 2022 | | Award date | Not specified | | Contract period | Not specified | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | Not specified | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planning | | Lots status | Not specified | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | SELLAFIELD | | Locality | THORNBURY | | Post town | Bristol | | Postcode | BS35 1RQ | | Country | England | | ITL 1 | TLK South West (England) | | ITL 2 | TLK5 West of England | | ITL 3 | TLK52 Bath & North East Somerset and South Gloucestershire | | Local authority | South Gloucestershire | | Electoral ward | Severn Vale | | Westminster constituency | Thornbury and Yate | | Delivery location | Not specified | ## CPV Codes ### Divisions - 45 - Construction work - 50 - Repair and maintenance services - 71 - Architectural, construction, engineering and inspection services - 98 - Other community, social and personal services ### Codes - 45244000 - Marine construction works - 50240000 - Repair, maintenance and associated services related to marine and other equipment - 71354500 - Marine survey services - 71355200 - Ordnance surveying - 98360000 - Marine services - 98391000 - Decommissioning services ## Release History - 24 Jun 2022 at 08:18 - Planning - Market Engagement Notice - https://www.contractsfinder.service.gov.uk/Notice/e9f1ca20-0e6b-4cff-b003-4ae041467a3c - 23 Mar 2022 at 06:44 - Planning - Market Engagement Notice - https://www.contractsfinder.service.gov.uk/Notice/e9f1ca20-0e6b-4cff-b003-4ae041467a3c ## Documents - https://www.contractsfinder.service.gov.uk/Notice/e9f1ca20-0e6b-4cff-b003-4ae041467a3c 24th June 2022 - Early engagement notice on Contracts Finder ## Notice URLs - https://www.gov.uk/government/case-studies/shared-services-alliance-ssa-for-nuclear-decommissioning-estate ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. 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