Source: https://tendernation.io/opportunities/01a13c19-9dab-712e-a849-c298efcdb10a/long-term-column-testing-of-compost-based-passive-metal-mine-water-treatment-at awarded GB open procedure Suitable for SMEs # Long term column testing of compost-based passive metal mine water treatment at low sulphate concentration and reduced hydraulic residence time [The Coal Authority](https://tendernation.io/buyers/the-coal-authority) Estimated value £60,000 Published 8 Sept 2017 Deadline Closed 20 Oct 2017 ## 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 You are invited to submit a tender for providing the Authority with long term column testing of compost-based passive metal mine water treatment at low sulphate concentration and reduced hydraulic residence time This invitation to tender comprises the following documentation against which you are invited to tender:- - Instructions to Tender - Project Scope - Tender Response Form - Various Attachments Please be aware that this tender exercise will be undertaken via the Coal Authority's eTender portal hosted by Bravosolution. Should you wish to participate in this tender exercise you need to register your company details, which will require the provision of some company information and agreement to terms and conditions to access the system. In order to register please log on to [coal.bravosolution.co.uk](https://www.coal.bravosolution.co.uk) and should you have any difficulties with this procedure, please contact Bravosolution, the Authority's provider, on 0800 368 4850 (free phone number), who will assist you throughout the whole procedure at anytime. Although the despatch, completion and return of tenders will be undertaken electronically, the Authority will issue a letter to award the contract. Once your organisation is registered and you have been notified of your log in details, you should be able to log into the system and review the documentation for this project. Additional information: Please be aware that this tender exercise will be undertaken via the Coal Authority's eTender portal hosted by Bravosolution. Should you wish to participate in this tender exercise you need to register your company details, which will require the provision of some company information and agreement to terms and conditions to access the system. In order to register please log on to [coal.bravosolution.co.uk](https://www.coal.bravosolution.co.uk) and should you have any difficulties with this procedure, please contact Bravosolution, the Authority's provider, on 0800 368 4850 (free phone number), who will assist you throughout the whole procedure at anytime. Although the despatch, completion and return of tenders will be undertaken electronically, the Authority will issue a letter to award the contract. Once your organisation is registered and you have been notified of your log in details, you should be able to log into the system and review the documentation for this project. Read full description ## CPV classification Research laboratory services Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/e4f9f501-f2f7-4bc2-b82c-d579be9f9175) 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 Research & development tenders](https://tendernation.io/sectors/research-development) ## More tenders like this [NCC1999 NE Rural Growth Programme Evaluation · Northumberland County Council · 22 days left · 10 Nov 2026](https://tendernation.io/opportunities/01a154e4-464d-73d3-9c3e-e81aa703d9f0/ncc1999-ne-rural-growth-programme-evaluation) [Nature recovery and intangible cultural heritage · Natural England · 25 days left · 12 Nov 2026](https://tendernation.io/opportunities/01a154e4-4787-7110-ab3a-3a405c46164b/nature-recovery-and-intangible-cultural-heritage) [Local Government Data Sharing Playbook: Multi-Agency Sharing in Children’s Social Care · Improvement and Development Agency for Local Government (IDeA) · 21 days left · 9 Nov 2026](https://tendernation.io/opportunities/01a154e4-4947-728c-ad83-59c066944fda/local-government-data-sharing-playbook-multi-agency-sharing-in-childrens-socia) [Specialist Advice/Advisor Service for Gloucestershire’s Advanced Engineering and Manufacturing Sector · Tewkesbury Borough Council · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15476-6446-722b-9ec6-44e39018b2f6/specialist-adviceadvisor-service-for-gloucestershires-advanced-engineering-and) [Research and development services and related consultancy services – Forschungsprojekt - DZSF - Mobilitätskettenanalyse - Wie Verkehrsdaten den ländlichen Schienenverkehr stärken können · Eisenbahn-Bundesamt · 100 days left · 27 Jan 2027](https://tendernation.io/opportunities/01a15183-2140-73b5-8807-5ad43f7122d9/germany-research-and-development-services-and-related-consultancy-services-f) [Research and development services and related consultancy services – Begleitforschung Städtebauförderung - Wissenstransfer: Anwendungsleitfaden des Bundes zur Praxis Städtebauförderung · Bundesinstitut für Bau-, Stadt- und Raumforschung (BBSR) im Bundesamt für Bauwesen und Raumordnung (BBR) · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15183-4375-730a-9135-c6d6d211cb68/germany-research-and-development-services-and-related-consultancy-services-b)