Source: https://tendernation.io/opportunities/01a13b8e-cb0f-72f6-a184-87e3fe1d7802/earthing-and-bonding awarded GB open procedure # Earthing and Bonding [Transport for Wales](https://tendernation.io/buyers/transport-for-wales) Estimated value £12,000,000 Published 28 Jul 2022 Deadline Closed 24 Mar 2022 ## Who can bid - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender This requirement is needed to enable the successful electrification of the Core Valley Lines. E&B will play a key part in ensuring the safety of all personnel working on or near the rail, and of rail service users and customers once the line sections are energised. An effective E&B system will assist in minimising any identified Electromagnetic Compatibility (EMC) issues across an installation. Earthing and Bonding will need to be installed across the route, on all OLE assets, stations, bridges, fences and other metal assets to: - Ensure personal safety for those located on or about the railway, - Provide a safe return path for current in the event of an electrical fault, - Provide a return current path for normal load current; and - Ensure the correct operation of electrical protection systems. ## CPV classification Construction work for railways and cable transport systems Electrical signalling equipment for railways Electrical installations for railways Railway-track construction materials and supplies Railway-track construction materials Railway construction works Railway signalling works Railway-track maintenance services Source Find a Tender (UK) · Notice ocds-h6vhtk-0319dc-2022-07-28T10:47:25+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0319dc-2022-07-28T10:47:25+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 Transport for Wales: past awards and live tenders](https://tendernation.io/buyers/transport-for-wales) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Gwelliannau i / Improvement works to the ‘Materials Recovery Facility’ (MRF) Ystâd Ddiwydiannol Cibyn, Caernarfon, Gwynedd, LL55 2BD · Cyngor Gwynedd · 53 days left · 10 Dec 2026](https://tendernation.io/opportunities/01a145df-0f49-7002-8294-fee17b4b2429/gwelliannau-i-improvement-works-to-the-materials-recovery-facility-mrf-yst) [Internal refurbishment of office building, College of Policing Ryton · College of Policing Limited · 19 days left · 6 Nov 2026](https://tendernation.io/opportunities/01a14571-3264-70ac-b47e-53d4d47c39bd/internal-refurbishment-of-office-building-college-of-policing-ryton) [NDC0130-26 - Installation of Replacement LED Lighting - Greenlanes · North Devon District Council · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a14571-3605-73e4-a82d-39df6bb2e4f2/ndc0130-26-installation-of-replacement-led-lighting-greenlanes) [CA18576 - Electrical Maintenance. 4 Year Opportunity · New College Swindon · 32 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a1458c-9ef1-72d0-83ac-b95edf2163c7/ca18576-electrical-maintenance-4-year-opportunity) [Electrical Maintenance. 4 Year Opportunity · New College Swindon · 32 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a14571-3744-7068-975c-bbafa5217467/electrical-maintenance-4-year-opportunity) [Rooftop Solar PV O&M Framework 2027 · West Sussex County Council · 26 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a1451e-c38a-70c2-b40d-bef4d791169f/rooftop-solar-pv-om-framework-2027)