by Rachael Bower-Yekpe | Jun 19, 2025 | Water
In streets south of Paris, a seemingly ordinary underground construction site. And yet, every day, engineers stopped by to see quite a unique drilling operation … When renovating the wastewater network in L’Haÿ-les-Roses, one question had project managers...
by Rachael Bower-Yekpe | Jun 10, 2025 | Electricity
Two parallel trenchless crossings, passing under the T7 tramway, were completed last week just north of Paris’ Orly airport. Though they weren’t the longest, they weren’t the simplest either ! With a busy dual carriageway, one of France’s biggest shopping centres and...
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...
