Source: https://tendernation.io/opportunities/01a13c65-8c49-73b8-9b1e-678b0b906442/design-supply-and-installation-of-a-heat-main closed GB open procedure Suitable for SMEs # Design, supply and installation of a heat main [Eden Geothermal Ltd](https://tendernation.io/buyers/eden-geothermal-ltd) Estimated value £1,100,000 to £1,500,000 Published 23 Sept 2021 Deadline Closed 13 Oct 2021 ## 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 Design, supply and installation of a heat main at the Eden Project in Cornwall, linking the deep geothermal energy site and the Eden Energy Centre. .The heat main will be used to conduct hot water from the geothermal site to (i) the Energy Centre (which supplies the Biomes and offices), with (ii) a short spur to a new greenhouse facility. . The total length of the pipeline route is approximately 1.2 km. The heat main will comprise a pre-insulated hot water feed line and a cool water return line, both of which will be buried beneath ground level. . This contract will comprise: 1: the design of the heat main to valve pits at each load centre; 2: supply of materials 3: installation of the heat main ## CPV classification District-heating mains construction work Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/0a27f1c1-de5d-47c1-9e28-ff8a33b07ac8) 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 Eden Geothermal Ltd: past awards and live tenders](https://tendernation.io/buyers/eden-geothermal-ltd) [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) [Construction work – (WZNOWIONE POSTĘPOWANIE) Budowa i przebudowa kogeneracji gazowych o łącznej mocy 4,636 MWe i 5,729 MWt w Elektrociepłowni Ciechanów · Elektrociepłownia Ciechanów sp. z o.o. · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-8e72-7024-a07c-4da735079800/poland-construction-work-wznowione-postepowanie-budowa-i-przebudowa-kogene) [Demolition work – Rück- und Neubau Lichthochmaste · Hamburg Verkehrsanlagen GmbH · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-6ef0-7276-94e2-d5fa0cb2d6c7/germany-demolition-work-ruck-und-neubau-lichthochmaste) [Heating plant construction work – Petrašiūnų elektrinės elektrifikacija, įrengiant elektros energijos kaupimo įrenginius, dyzelinį generatorių ir rekonstruojant 6 kV skirstyklą (projektavimas ir rangos darbai) · Akcinė bendrovė „Kauno energija“ (PV) · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-6f1d-727f-a077-bc25dec93b92/lithuania-heating-plant-construction-work-petrasiunu-elektrines-elektrifikac) [Floor-covering work – Universität Leipzig, Leuschnerplatz, Global Hub, Forschungsneubau · Staatsbetrieb Sächsisches Immobilien- und Baumanagement, Zentrale, Zentralstelle Vergabe- und Vertragsmanagement · 2 days left · 22 Oct 2026](https://tendernation.io/opportunities/01a156a9-acfc-73ee-baab-9e699f88521a/germany-floor-covering-work-universitat-leipzig-leuschnerplatz-global-hub) [Building construction work – Budowa budynku mieszkalnego wielorodzinnego wraz z infrastrukturą techniczną w miejscowości Szczucin · KZN SIM Tarnów Sp. z o.o. · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-d859-7328-9ee6-a304ce645326/poland-building-construction-work-budowa-budynku-mieszkalnego-wielorodzinneg)