Source: https://tendernation.io/opportunities/01a13bea-b8c8-7092-83d1-a91d492b8a8c/wemyss-metal-mine-works pending GB open procedure Suitable for SMEs # Wemyss Metal Mine Works [Mining Remediation Authority](https://tendernation.io/buyers/mining-remediation-authority) Estimated value Not stated Published 21 Sept 2026 Deadline Rolling deadline ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender 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. Read full description ## CPV classification Construction work for dams, canals, irrigation channels and aqueducts Source Find a Tender (UK) · Notice ocds-h6vhtk-077692-2026-09-21T14:28:53+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-077692-2026-09-21T14:28:53+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Mining Remediation Authority: past awards and live tenders](https://tendernation.io/buyers/mining-remediation-authority) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Treloweth Community Hall Alterations and Extension Project · Carn Brea Parish Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a154e4-4991-71db-baac-ffae413f1c41/treloweth-community-hall-alterations-and-extension-project) [Norwich City Verges Mowing 2026 · Norse Eastern Ltd · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15476-5fd9-70eb-b920-a66dc3e661e1/norwich-city-verges-mowing-2026) [Gwasanaethau Toeau - Gwaith cyfalaf wedi'i gynllunio ac atgyweiriadau ymatebol / Roofing Services - Planned capital works and responsive repairs · Denbighshire County Council · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15476-6094-72b9-928b-5c887e7ceea4/gwasanaethau-toeau-gwaith-cyfalaf-wedii-gynllunio-ac-atgyweiriadau-ymatebol) [Repair of St Michaels and All Angels Church Wall · Aylsham Town Council · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a15476-6316-7235-8948-8f108b3da399/repair-of-st-michaels-and-all-angels-church-wall) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works)