by Rachael Bower-Yekpe | May 5, 2025 | Oil & Gas
Although this auger boring crossing is relatively short, its impact is far-reaching. The 30-metre-long structure will allow GRDF to expand its biomethane initiatives — turning organic waste into biofuel — and marks another important step in energy transition. When the...
by Rachael Bower-Yekpe | Apr 17, 2025 | Electricity
The last trenchless structure for the Celtic Interconnector project has just been completed: a 126-meter-long HDD river crossing that marks the end of 15 months of intense trenchless work in Brittany. This last crossing, drilled by Gendry and monitored by OPTIMUM,...
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 Rachael Bower-Yekpe | Jul 4, 2024 | Oil & Gas
GRTgaz’s HDD crossing under the Limoges – Angoulême railway line is now complete. The 160-metre-long construction, housing a DN150 steel pipe, replaces the existing pipe bridge thus increasing pipeline security and enhancing the surrounding rural area.The geology of...
by Rachael Bower-Yekpe | Jun 27, 2024 | Water
The latest tunnelling project under and around the River Seine, contributing towards making it swimmable again, is now complete.Linking up to a major water collector and tunnelling 17 metres underground, phase one of the project consisted of a 981-metre-long AVN2500...
