--- title: "Culvert Flow Gauging Structure - Ceredigion" ocid: "ocds-h6vhtk-055080" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-055080" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-055080.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-055080.json" source: "Find A Tender Service" current_stage: "Award" buyer: "MINING REMEDIATION AUTHORITY" published: "2026-01-30" --- # Culvert Flow Gauging Structure - Ceredigion Buyer: MINING REMEDIATION AUTHORITY Current stage: Award OCID: ocds-h6vhtk-055080 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-055080) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-055080.json) ## Summary The Mining Remediation Authority, based in Nottinghamshire, United Kingdom, has awarded a contract for the construction of a flow monitoring structure at a historic culvert in Ceredigion. The contract, identified under the title "Culvert Flow Gauging Structure - Ceredigion," involves engineering services to facilitate the accurate measurement of water flows from an old mine site. The procurement process followed an open competition method, categorised as a below-threshold service contract. The contract was awarded on 30th January 2026, following the tender closure on 8th December 2025, with a project start date set for 2nd February 2026, and an initial completion date of 30th April 2026. This tender offers significant business growth opportunities for small and medium-sized enterprises in the engineering services sector, particularly those specialising in environmental and flow monitoring projects. FIVE RIVERS ENVIRONMENTAL CONTRACTING LTD, a small to medium-sized enterprise (SME), successfully secured the contract, highlighting the feasibility for similar-sized companies to compete effectively. The strategic focus on accurate flow measurement and the potential for extending contracts due to uncontrollable external factors could ensure sustained engagement and revenue flow for the winning party, particularly those with expertise in environmental engineering and construction. Such projects not only enhance the infrastructure but also provide opportunities for firms to showcase their innovative solutions within the public sector. ## Notice The Authority invites you to tender for a contract for the provision of the construction of a flow monitoring structure at the outfall of a historic culvert. This culvert drains the dressing floor of a former mine site. The purpose of the structure is to enable accurate measurement of water flows entering a recently lined stream. The construction of a flow gauging structure at Frongoch is necessary to measure the volume of water discharging from the culvert beneath the Frongoch dressing floor. This will enable accurate quantification of heavy metal loading into the Frongoch stream, and subsequently into the Nant Cell and Afon Ystwyth. Accurate flow measurement is essential for a comprehensive assessment of the need for a mine water treatment scheme, and future design. Future flow monitoring, assessment or design does not form part of this contract. The works associated with the Frongoch Culvert Flow Monitoring are inclusive of breaking into the existing below ground culvert, as shown on drawing FCFM-AEC-XX-XX-DR-C-0003, the installation of approximately 80m of pipework, a headwall with associated access steps and V-notch weir to allow for flow monitoring. ### Lot Information Lot 1 Renewal: If works are impacted by weather or other unforeseen circumstances ### Planning Information Please contact us if you have any questions about this opportunity or wish to be informed of progress ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/008412-2026 | | Notice type | UK7 - Contract Details Notice | | Procurement type | Standard | | Procurement category | Services | | Procurement method | Open | | Procurement method details | Below threshold - open competition | | Tender suitability | SME | | Awardee scale | SME | | All stages | Planning, Tender, Award | ## Dates | Field | Value | | --- | --- | | Publication date | 30 Jan 2026 | | Submission deadline | 8 Dec 2025 | | Future notice date | 15 Sep 2025 | | Award date | 22 Dec 2025 | | Contract period | 2 Feb 2026 - 30 Apr 2026 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £125,000 | | Lots value | £125,000 | | Awards value | £211,574 | | Contracts value | £211,574 | ## Status | Field | Value | | --- | --- | | Tender status | Complete | | Lots status | Complete | | Awards status | Active | | Contracts status | Active | ## Buyer | Field | Value | | --- | --- | | Main buyer | MINING REMEDIATION AUTHORITY | | Locality | NOTTINGHAMSHIRE | | Post town | Nottingham | | Postcode | NG18 4RG | | Country | England | | ITL 1 | TLF East Midlands (England) | | ITL 2 | TLF1 Derbyshire and Nottinghamshire | | ITL 3 | TLF15 North Nottinghamshire | | Local authority | Mansfield | | Electoral ward | Berry Hill | | Westminster constituency | Mansfield | | Delivery location | TLL1 West Wales and The Valleys | ## Supplier | Field | Value | | --- | --- | | Number of suppliers | 1 | | Supplier names | FIVE RIVERS ENVIRONMENTAL CONTRACTING | ## CPV Codes ### Divisions - 71 - Architectural, construction, engineering and inspection services ### Codes - 71300000 - Engineering services ## Release History - 30 Jan 2026 at 12:10 - Award - UK7 - Contract Details Notice - https://www.find-tender.service.gov.uk/Notice/008412-2026 - 30 Dec 2025 at 17:11 - Award - UK6 - Contract Award Notice - https://www.find-tender.service.gov.uk/Notice/086508-2025 - 24 Oct 2025 at 17:19 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/068358-2025 - 26 Aug 2025 at 13:15 - Planning - UK3 - Planned Procurement Notice - https://www.find-tender.service.gov.uk/Notice/051294-2025 - 20 Jun 2025 at 07:53 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/033905-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/008412-2026 30th January 2026 - Contract details notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/086508-2025 30th December 2025 - Contract award notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/068358-2025 24th October 2025 - Tender notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/051294-2025 26th August 2025 - Planned procurement notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/033905-2025 20th June 2025 - Preliminary market engagement notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/Attachment/A-6651 Invitation to Tender document providing all information for parties considering whether to participate in this opportunity ## Notice URLs - http://Inbye.coal.gov.uk/s2c/ - https://five-rivers.com/ - https://www.legislation.gov.uk/ukpga/2023/54/contents ## 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-h6vhtk-055080. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-055080.json.