by Rachael Bower-Yekpe | Mar 20, 2025 | Water
The CanaMarne project is entering its final phase, the last of the AVN 1800 tunnels having been completed this week. This latest gravity flow tunnel runs 500 metres underneath agricultural land and a major canal to the east of Paris. Works spanned 5 weeks, with teams...
by admin-optimum-549 | Dec 21, 2024 | Electricity
Construction of the onshore link from the coast to RTE’s converter station is in full swing. The 84-metre-long AVN 1200 microtunnel section under the River Élorn and the Paris – Brest railway is now complete and the cable ducts installed. After the successful...
by admin-optimum-549 | Dec 5, 2024 | Water
Having powered 835m through marl and gravel, AVN 1800 microtunnel « Magali » successfully finished tunnelling this week. This curved section is the longest and largest microtunnel in the 9km long CanaMarne project (3km microtunnel, 6km open trenches) which will...
by admin-optimum-549 | Sep 5, 2024 | Electricity
Completion this week of an important phase of RTE’s Envision project with the successful installation of a 130-metre-long microtunnel near Arras in northern France. Within the framework of the project owner’s network extension, the DN1200 microtunnel now passes under...
by admin-optimum-549 | Jul 11, 2024 | Electricity
Proud to have accompanied project owner RTE for the successful completion of a new microtunnel under the River Neste at the foot of the Pyrenees in southern France. The project falls within the framework of RTE’s ongoing network renewal and extension in the region....