by Rachael Bower-Yekpe | Aug 28, 2025 | Water
Alongside SUBTERRA recently for the completion of a second HDD crossings that will enable the municipality of Sète to reinforce the town’s wastewater network. HDD # 1 : DN 630, 460 m – completed in late 2024, beneath a road and the Sète train station car park. HDD # 2...
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 admin-optimum-549 | Apr 10, 2025 | Oil & Gas
Proud to announce the successful completion of the final 3 HDD crossings for Teréga’s 23km network extension in the Tarn-et-Garonne region of southwestern France. From feasibility studies to construction, OPTIMUM engineers have accompanied project owner Teréga at...
by admin-optimum-549 | Oct 24, 2024 | Water
Local authority Communauté d’Agglomération Grand Calais Terres & Mers is at last able to complete the missing link in the renewal of its wastewater network. The project had been on hold for several years until OPTIMUM were contacted to find a solution. The issue...
by admin-optimum-549 | Sep 19, 2024 | Oil & Gas
Teréga continues to reinforce its gas transport network in south-eastern France and OPTIMUM trenchless engineers continue to accompany the project owner at every step. The latest project, near Montauban (Tarn-et-Garonne), will add some 23km to the network, so crossing...