Alongside Gendry as the town of La Grande Motte, on the French Mediterranean coast, advances with its innovative project to heat and cool the towns buildings using marine geothermal energy.
The construction of 5 parallel 263-metre-long HDD landfalls was successfully completed last week to house 5 x DN200 HDPE ducts. Drilling through marly sands, the ducts pass under the promenade breakwater, to transport water from the system’s heat exchangers back to the sea.
Before works began, OPTIMUM trenchless engineers were commissioned to validate the landfall design and sizing, and to conduct hydrofracture modelling given the coastal geology of the site. They then followed the initial drilling works, both remotely and onsite, closely monitoring the drilling parameters to ensure operations ran smoothly.
Great to contribute to another exciting energy project.
