by Rachael Bower-Yekpe | May 28, 2026 | Oil & Gas
What began in 2020 as a truly ambitious project — replacing 70 km of Teréga’s gas transmission network — has now reached a defining moment: every trenchless crossing is complete.Over time, OPTIMUM moved from site analysis, feasibility studies and design engineering...
by Rachael Bower-Yekpe | Nov 27, 2025 | Electricity
OPTIMUM was alongside project manager SOBECA recently for the successful completion of trenchless works near Lille in northern France, contributing to RTE’s network renewal in the region.Some short trenchless projects can be just as challenging as longer ones. This...
by Rachael Bower-Yekpe | Aug 18, 2025 | Water
Fewer cars on the road during the summer months – but the work doesn’t stop ! OPTIMUM engineers were alongside SADE on the main road between Lille and Tourcoing for the completion last week of an auger boring crossing beneath the tramway lines. This DN 1000...
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...
