Source: https://tendernation.io/opportunities/01a13b9a-09f7-726c-808b-a88a4968df77/tyne-diffuse-investigation-and-mitigation-methods awarded GB open procedure Suitable for SMEs # Tyne Diffuse Investigation and Mitigation Methods [The Coal Authority](https://tendernation.io/buyers/the-coal-authority) Estimated value £400 Published 5 Dec 2022 Deadline Closed 30 Jan 2023 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Small contract value Valued under £135,018 including VAT, the lowest Procurement Act threshold for goods and services. - 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 The Coal Authority invites you to tender for a watercourses contribute towards the metal contamination and has been responsible for the failure of ecological status of South Tyne watercourses under the terms of the Water Framework Directive (WFD), therefore there is the need to identify and limit the impact from sources of metal contamination throughout the catchment. Over the past four years, as part of the Water and Abandoned Metal Mines (WAMM) programme which is funded by Department for Environment, Food and Rural Affairs (Defra), The Coal Authority (CA), in partnership with the Environment Agency (EA), have implemented various mitigation methods at several locations across the catchment to reduce contaminated sediment from entering the watercourse. To provide necessary services required to establish a programme of work which will identify areas of diffuse pollution that would benefit from 'green' engineering mitigation measures. The design and installation of methods to reduce any water runoff, prevent the erosion of the former spoil heaps and stop the mobilisation of contaminated sediment from entering the watercourse, thereby improving water quality standards in the Tyne catchment and at the Port of Tyne. This tender is being operated through the Coal Authority procurement portal - InBye - see the attached guidance for how to access the tender documents. ## CPV classification Environmental services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/c72af186-23cb-4053-bdc4-b325c0aad404) 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 The Coal Authority: past awards and live tenders](https://tendernation.io/buyers/the-coal-authority) [Sector More Sewage, refuse, cleaning & environmental tenders](https://tendernation.io/sectors/sewage-refuse-cleaning-environmental) ## More tenders like this [Pest Control Services Concession 2027-30 (FH2610191) · The District Council of Folkestone and Hythe · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a154e4-44f9-7309-afae-daba3a678a46/pest-control-services-concession-2027-30-fh2610191) [Invitation to Tender Window Cleaning Services - Wirral · Wirral Community Health and Care NHS Foundation Trust · 32 days left · 20 Nov 2026](https://tendernation.io/opportunities/01a1539a-cf1d-702b-9ffd-93cfa91d3c7c/invitation-to-tender-window-cleaning-services-wirral) [Cleaning services – Úklidové služby pro budovy JP · České vysoké učení technické v Praze · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a15183-4b75-72e0-8073-c7b65b5d95d9/czechia-cleaning-services-uklidove-sluzby-pro-budovy-jp) [Radioactive-, toxic-, medical- and hazardous waste services – Vaarajätepalvelu · Helsingin yliopiston kiinteistöpalvelut Oy · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-2d87-7301-b79a-03b45cbf514a/finland-radioactive-toxic-medical-and-hazardous-waste-services-vaarajat) [Refuse transport services – Odbiór odpadów komunalnych z terenu miasta Maków Mazowiecki · Miasto Maków Mazowiecki · 35 days left · 23 Nov 2026](https://tendernation.io/opportunities/01a15183-3f12-7325-9c2f-18eb44993615/poland-refuse-transport-services-odbior-odpadow-komunalnych-z-terenu-miasta) [Refuse and waste related services – Keräyspaperin, tietoturvamateriaalin sekä SER-jätteen poistopalvelun hankinta · Espoon kaupunki · 10 days left · 29 Oct 2026](https://tendernation.io/opportunities/01a15183-11dc-7260-9add-88811d0139f2/finland-refuse-and-waste-related-services-kerayspaperin-tietoturvamateriaal)