Tender

Nant y Mwyn 25-26 Scour Protection Works

MINING REMEDIATION AUTHORITY

This public procurement record has 2 releases in its history.

Tender

07 Nov 2025 at 13:40

Planning

27 Aug 2025 at 14:54

Summary of the contracting process

The Mining Remediation Authority, a central government public authority, is actively procuring services for the "Nant y Mwyn 25-26 Scour Protection Works" project in Nottinghamshire, United Kingdom. This tender, classified under the works category with CPV code 45112450 for excavation work at archaeological sites, is currently in the active tender stage. The procurement process follows an open competition method detailed as below threshold, with the submission deadline set for 5th December 2025. The works, intended to address erosion issues along the Nant y Bai watercourse, must commence after the contract period starts on 19th January 2026 and conclude by 2nd March 2026.

This tender presents significant growth opportunities for businesses, particularly SMEs with expertise in civil engineering and environmental management. Companies with experience in installing scour protection measures, managing complex ecological requirements, or operating in areas with heritage considerations will be well-suited to compete. The project involves diverse activities such as installation of rock-filled bags, geotextile matting, and slope stabilisation to prevent spoil erosion whilst respecting local ecological and heritage sites. By engaging in this project, businesses can enhance their portfolio in environmental restoration and interact with the central government, potentially opening doors for future public procurement opportunities.

How relevant is this notice?

Notice Information

Notice Title

Nant y Mwyn 25-26 Scour Protection Works

Notice Description

The purpose of these works is to prevent the Nant y Bai watercourse from continuing to scour (causing active erosion of) spoil heaps that make up its banks and causing mobilisation of metal-rich spoil into the watercourse. It is proposed to install a mixture of scour protection interventions including rock filled rolls and bags, geotextile matting and wooden stakes at a number of discrete areas along the bank to stabilise the spoil and prevent ongoing erosion by the Nant y Bai. We would welcome input from the Contractor regarding current design methodology based on previous experiences. The Works comprise the following: * Install scour protection measures in accordance with the drawings; * Install slope stabilisation measures in accordance with the drawings; * Supply and install 150No. rock filled bags as specified on the drawings and as directed on site to provide scour protection in Areas 3, 5 and 6; * Translocate Purple Moor grass into the working area in accordance with the drawings. The source of Purple Moor grass to be agreed with the ecological supervisor but shall be within the Site; * Install silt traps in accordance with the drawings; * Install an overland pipe with associated capture structure and outfall structure in accordance with the drawings; * Deliver plant and materials along designated routes to limit impact on the protected ecology and provide any equipment necessary to minimize the impact on the designated routes. This may include helicopters to aid in load lifting and placement of rock roll bags; and * Plan and execute temporary flow diversion measures to enable the Works in the river bed to be completed. The Works must be carried out, including transportation of plant and materials, in a way that: * Does not cause undue harm to the local ecology, including plants, trees and particularly the protected Calaminarian habitats (comprising metallophyte flowering and non-flowering plant species); * Does not damage local heritage features, including historic mining structures and artefacts; * Does not cause undue disruption to the local community; * Does not cause damage to existing services; * Does not cause damage to the forest track road, * Is in accordance with the relevant Environmental Action Plan (EAP) as prepared by the Mining Remediation Authority and agreed with NRW.

Planning Information

We are seeking to understand the nature of the market for our requirement and encourage contact from interested parties to help us finalise our procurement strategy. We have a time sensitive requirement to construct scour protection along a stream at a former mine site. The location for this work is in a remote part of Wales in Carmarthenshire. If you are interested in this potential opportunity or would be interested in more details please contact us. Natalie Earnshaw- Assistant Procurement Business Partner natalie.earnshaw@miningremediation.gov.uk

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-058ec4
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/072053-2025
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Open
Procurement Method Details
Below threshold - open competition
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work


CPV Codes

45112450 - Excavation work at archaeological sites

Notice Value(s)

Tender Value
£100,000 £100K-£500K
Lots Value
£100,000 £100K-£500K
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
7 Nov 20253 weeks ago
Submission Deadline
5 Dec 2025Today
Future Notice Date
12 Sep 2025Expired
Award Date
Not specified
Contract Period
19 Jan 2026 - 2 Mar 2026 1-6 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
MINING REMEDIATION AUTHORITY
Contact Name
Natalie Earnshaw
Contact Email
natalie.earnshaw@miningremediation.gov.uk
Contact Phone
Not specified

Buyer Location

Locality
NOTTINGHAMSHIRE
Postcode
NG18 4RG
Post Town
Nottingham
Country
England

Major Region (ITL 1)
TLF East Midlands (England)
Basic Region (ITL 2)
TLF1 Derbyshire and Nottinghamshire
Small Region (ITL 3)
TLF15 North Nottinghamshire
Delivery Location
TLL Wales

Local Authority
Mansfield
Electoral Ward
Berry Hill
Westminster Constituency
Mansfield

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-h6vhtk-058ec4-2025-11-07T13:40:33Z",
    "date": "2025-11-07T13:40:33Z",
    "ocid": "ocds-h6vhtk-058ec4",
    "initiationType": "tender",
    "parties": [
        {
            "id": "GB-PPON-PRPD-5825-QDVY",
            "name": "Mining Remediation Authority",
            "identifier": {
                "scheme": "GB-PPON",
                "id": "PRPD-5825-QDVY"
            },
            "address": {
                "streetAddress": "200 Lichfield Lane",
                "locality": "Nottinghamshire",
                "postalCode": "NG18 4RG",
                "country": "GB",
                "countryName": "United Kingdom",
                "region": "UKF15"
            },
            "contactPoint": {
                "name": "Natalie Earnshaw",
                "email": "natalie.earnshaw@miningremediation.gov.uk"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "classifications": [
                    {
                        "scheme": "UK_CA_TYPE",
                        "id": "publicAuthorityCentralGovernment",
                        "description": "Public authority - central government"
                    }
                ]
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PRPD-5825-QDVY",
        "name": "Mining Remediation Authority"
    },
    "planning": {
        "milestones": [
            {
                "id": "engagement",
                "type": "engagement",
                "description": "We are seeking to understand the nature of the market for our requirement and encourage contact from interested parties to help us finalise our procurement strategy. We have a time sensitive requirement to construct scour protection along a stream at a former mine site. The location for this work is in a remote part of Wales in Carmarthenshire. If you are interested in this potential opportunity or would be interested in more details please contact us. Natalie Earnshaw- Assistant Procurement Business Partner natalie.earnshaw@miningremediation.gov.uk",
                "dueDate": "2025-09-12T23:59:59+01:00",
                "status": "scheduled"
            }
        ],
        "documents": [
            {
                "id": "051678-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/051678-2025",
                "datePublished": "2025-08-27T15:54:29+01:00",
                "format": "text/html"
            }
        ]
    },
    "tender": {
        "id": "CA18/2/1/127",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Nant y Mwyn 25-26 Scour Protection Works",
        "description": "The purpose of these works is to prevent the Nant y Bai watercourse from continuing to scour (causing active erosion of) spoil heaps that make up its banks and causing mobilisation of metal-rich spoil into the watercourse. It is proposed to install a mixture of scour protection interventions including rock filled rolls and bags, geotextile matting and wooden stakes at a number of discrete areas along the bank to stabilise the spoil and prevent ongoing erosion by the Nant y Bai. We would welcome input from the Contractor regarding current design methodology based on previous experiences. The Works comprise the following: * Install scour protection measures in accordance with the drawings; * Install slope stabilisation measures in accordance with the drawings; * Supply and install 150No. rock filled bags as specified on the drawings and as directed on site to provide scour protection in Areas 3, 5 and 6; * Translocate Purple Moor grass into the working area in accordance with the drawings. The source of Purple Moor grass to be agreed with the ecological supervisor but shall be within the Site; * Install silt traps in accordance with the drawings; * Install an overland pipe with associated capture structure and outfall structure in accordance with the drawings; * Deliver plant and materials along designated routes to limit impact on the protected ecology and provide any equipment necessary to minimize the impact on the designated routes. This may include helicopters to aid in load lifting and placement of rock roll bags; and * Plan and execute temporary flow diversion measures to enable the Works in the river bed to be completed. The Works must be carried out, including transportation of plant and materials, in a way that: * Does not cause undue harm to the local ecology, including plants, trees and particularly the protected Calaminarian habitats (comprising metallophyte flowering and non-flowering plant species); * Does not damage local heritage features, including historic mining structures and artefacts; * Does not cause undue disruption to the local community; * Does not cause damage to existing services; * Does not cause damage to the forest track road, * Is in accordance with the relevant Environmental Action Plan (EAP) as prepared by the Mining Remediation Authority and agreed with NRW.",
        "items": [
            {
                "id": "1",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "45112450",
                        "description": "Excavation work at archaeological sites"
                    }
                ],
                "deliveryAddresses": [
                    {
                        "region": "UKL",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UKL",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    }
                ],
                "relatedLot": "1"
            }
        ],
        "mainProcurementCategory": "works",
        "aboveThreshold": false,
        "lots": [
            {
                "id": "1",
                "suitability": {
                    "sme": true
                },
                "contractPeriod": {
                    "startDate": "2026-01-19T00:00:00Z",
                    "endDate": "2026-03-02T23:59:59Z"
                },
                "status": "active",
                "value": {
                    "amountGross": 120000,
                    "amount": 100000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "description": "Technical and Cost criteria Technical Criteria - 70% of available marks Cost criteria - 30% of available marks"
                }
            }
        ],
        "status": "active",
        "value": {
            "amountGross": 120000,
            "amount": 100000,
            "currency": "GBP"
        },
        "procurementMethod": "open",
        "procurementMethodDetails": "Below threshold - open competition",
        "submissionMethodDetails": "All relevant information with regard to this opportunity is freely available on the Mining Remediation Authority procurement portal and can be accessed under the Open Opportunities section by following this link. - http://Inbye.coal.gov.uk/s2c/ Tender submissions must be made through this procurement portal.",
        "submissionTerms": {
            "electronicSubmissionPolicy": "allowed"
        },
        "tenderPeriod": {
            "endDate": "2025-12-05T17:00:00Z"
        },
        "enquiryPeriod": {
            "endDate": "2025-11-24T17:00:00Z"
        },
        "documents": [
            {
                "id": "A-7517",
                "documentType": "biddingDocuments",
                "description": "Invitation to Tender document providing all information for parties considering whether to participate in this opportunity",
                "url": "https://www.find-tender.service.gov.uk/Notice/Attachment/A-7517",
                "format": "application/pdf"
            },
            {
                "id": "072053-2025",
                "documentType": "tenderNotice",
                "noticeType": "UK4",
                "description": "Tender notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/072053-2025",
                "datePublished": "2025-11-07T13:40:33Z",
                "format": "text/html"
            }
        ]
    },
    "language": "en"
}