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...
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 admin-optimum-549 | Oct 3, 2024 | Electricity
Crossing just 40 metres under SNCF rails in Montvicq (Auvergne-Rhône-Alpes) was the missing link in a 20 km project to enable RTE to connect an industrial client in central France to its network. Following initial feasibility studies, OPTIMUM advised that an...
