---
title: "Preliminary Market Engagement - Winfrith Terrestrial Pipeline Decommissioning Reference number: Preliminary Market Engagement"
ocid: "ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2"
markdown_url: "https://d3tenders.com/contract/ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2.md"
json_url: "https://d3tenders.com/contract/ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2.json"
source: "Contracts Finder"
current_stage: "Planning"
buyer: "SELLAFIELD"
published: "2022-06-24"
---

# Preliminary Market Engagement - Winfrith Terrestrial Pipeline Decommissioning Reference number: Preliminary Market Engagement

Buyer: SELLAFIELD  
Current stage: Planning  
OCID: ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2

[View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2)  
[Download OCDS JSON](https://d3tenders.com/contract/ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2.json)

## Summary

The public procurement process is being conducted by Sellafield for the "Preliminary Market Engagement - Winfrith Terrestrial Pipeline Decommissioning." This initiative falls within the construction and decommissioning industry, specifically focusing on the removal of a terrestrial section of Winfrith's sea-discharge pipelines. The procurement currently stands at the planning stage, with an engagement end date set for 30th September 2022. The project address is based in Thornbury, England, with key documentation available for interested suppliers to review.

This tender presents significant opportunities for businesses engaged in pipeline construction, environmental services, and decommissioning. Firms well-versed in pipeline removal, construction work for water and sewage infrastructure, and capable of handling radiological monitoring will find themselves well-suited to participate in this tender. With robust engagement methods and a clear indication of requirements, interested suppliers are encouraged to connect with Magnox Limited to gain insights that may inform their bids in a subsequent procurement phase.

## Notice

Magnox Limited is currently preparing to initiate a procurement process for the removal of the terrestrial 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 9.3km terrestrial section of Winfrith's sea-discharge pipelines (SDP) and their associated components (wash-out pits, air-valve pits, and break-pressure tanks) the segmentation of the pipeline into 5.0m sections, and the transport of the pipeline sections to the Winfrith site for temporary storage. Additional information: Magnox Limited is currently preparing to initiate a procurement process for the removal of the terrestrial 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 9.5km terrestrial section of Winfrith's sea-discharge pipelines (SDP). The twin pipelines run approximately 1.0m below ground level through predominantly arable farmland. They are constructed from Schedule 40 API 5L carbon-steel and comprise two 6"- 8" diameter 'active' pipelines contained within two 12"- 18" diameter 'low-active' pipelines leading to a concrete shore valve-house structure at Arish Mell. The outer surface of the SDP has a bitumen-asbestos glass-fibre reinforced coating. In addition to the pipeline, the removal of a large concrete break-pressure tank, six concrete wash-out pits and six brick air-valve pits is also required. The procurement shall include the following: * Removal of the entire terrestrial section of the SDP including wash-out pits, air valve pits, the break-pressure tank, cathodic protection, and the shore valve-house. * Controlled segmentation of the SDP into 5.0m sections and 'end-capping' (or wrapping) of the cut ends prior to transportation. * Stockpiling of the SDP sections at the Mx Winfrith Site. * Radiological monitoring and disposal of all demolition rubble at suitably licensed facilities. * Reinstatement of the pipeline corridor.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Contracts Finder |
| Latest notice | https://www.contractsfinder.service.gov.uk/Notice/32aa7d41-3d5e-4311-b3f3-210c6113873f |
| 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

- 42 - Industrial machinery
- 45 - Construction work
- 71 - Architectural, construction, engineering and inspection services
- 98 - Other community, social and personal services

### Codes

- 42997200 - Machines for cleaning the internal surface of pipelines
- 45231111 - Pipeline lifting and relaying
- 45231300 - Construction work for water and sewage pipelines
- 45232150 - Works related to water-distribution pipelines
- 71355200 - Ordnance surveying
- 98391000 - Decommissioning services

## Release History

- 24 Jun 2022 at 08:19 - Planning - Market Engagement Notice - https://www.contractsfinder.service.gov.uk/Notice/32aa7d41-3d5e-4311-b3f3-210c6113873f
- 23 Mar 2022 at 07:14 - Planning - Market Engagement Notice - https://www.contractsfinder.service.gov.uk/Notice/32aa7d41-3d5e-4311-b3f3-210c6113873f

## Documents

- https://www.contractsfinder.service.gov.uk/Notice/32aa7d41-3d5e-4311-b3f3-210c6113873f
  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. The canonical page is https://d3tenders.com/contract/?ocid=ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-b5fd17-ac4300d2-c57a-4b39-a97c-3847de44ece2.json.
