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Wemyss Metal Mine Works

Mining Remediation Authority

This public procurement record has 1 release in its history.

Planning

21 Sep 2026 at 14:28

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The Mining Remediation Authority is planning construction works at Wemyss Metal Mine in Wales, delivered through the Wales Metal Mine Programme with Natural Resources Wales. The project supports river basin and metal-mine water management objectives under the Western Wales River Basin Management Plan. The works are intended to control and manage water flows and runoff around the former mine site. They include an upper storage and attenuation pond, increased bund height and flow-control infrastructure; a new open channel bypassing a circular collapse feature; highway and filter drainage; and a lined water channel with flow monitors leading to the Nant Cwmnewydion. The works also include constructing a new ford crossing and improving an existing crossing. The classification covers construction of dams, canals, irrigation channels and aqueducts.

This procurement is at the planning stage: the buyer has announced an intention to tender in the near future and has not invited bids. It is a single planned lot, with the works expected to run from June 2027 to August 2028 and a possible extension to August 2029; the buyer describes delivery as summer 2027. The buyer is carrying out preliminary market engagement and asks interested contractors to provide information about their organisation and relevant contact details by 9 October 2026. The planned procurement is above the applicable threshold. The lot is marked as suitable for small and medium-sized enterprises, and renewal is contemplated. No tender procedure, evaluation criteria or contract value has yet been set out.

The project should suit civil engineering and environmental remediation contractors able to deliver earthworks, water-management infrastructure and drainage works in a former metal-mine setting. Relevant capability includes constructing and raising earth bunds, forming attenuation or storage ponds, installing flow-control infrastructure, excavating open channels, building lined watercourses, fitting flow-monitoring equipment and delivering highway drainage and filter drains. Contractors with experience in ford construction, channel crossings and managing runoff around spoil tips may be well placed to prepare for the future tender. The scale includes approximately 90-metre bund and pond works and a 95-metre lined channel, alongside associated infrastructure. The buyer has identified the requirement as suitable for SMEs, so smaller experienced contractors and suitable delivery partnerships should consider engaging during planning.

How relevant is this notice?

Notice Information

Notice Title

Wemyss Metal Mine Works

Notice Description

These works will be delivered as part of the Wales Metal Mine Programme (WMMP) between NRW and the Mining Remediation Authority. This programme supports the Western Wales River Basin Management Plan (Western Wales River Basin Management Plan 2021 - 2027 which was published as a final plan in July 2022 (specifically measures CYM49 - Deliver metal (non-coal) mine water programme as identified under the Metal Mine Strategy for Wales and WW0031 - Continue to investigate mine water impact and develop remediation plans in accordance with the Metal Mines Strategy for Wales). This plan has a statutory function associated with the Water Framework Directive (The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017). Works - Summer 2027 * Introduction of an Upper Storage/Attenuation Pond to reduce flows into Upper Mill Race Stream. This will include increasing the existing bund height and installing flow control infrastructure. Approx length 90 metres and approx. height 1.5 metres. * Bypass the circular collapse feature east of Glanville's Shaft with new open channel. * Introduction of highway drainage system and filter drain to avoid runoff finding its way into the main spoil tip. * A new lined water channel with flow monitors from the public highway to the Nant Cwmnewydion, construing a new ford crossing and improving the existing ford crossing. Approx. length 95 metres.

Planning Information

We are seeking contractors who may be interested in this opportunity when it will be tendered in the near future. If you wish to express your interest please write to Natalie Earnshaw - Procurement Business Partner at natalie.earnshaw@miningremediation.gov.uk providing information about your organisation and relevant contact details. If you have any questions about this opportunity please also send them to the same email address.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-077692
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/089214-2026
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
UK2 - Preliminary Market Engagement Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Not specified
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45247000 - Construction work for dams, canals, irrigation channels and aqueducts

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
21 Sep 2026Today
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
1 Jun 2027 - 1 Sep 2028 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Planning
Lots Status
Planning
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Mining Remediation Authority
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
NOTTINGHAMSHIRE
Postcode
NG18 4RG
Postcode Area
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)

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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.

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