Stabilisation works at Cheval Roc, required due to the landslide in March 2016, are now complete. Works commenced in November 2016. The project was completed two months early and on budget.
Rope access works included de-vegetation, regrading, drainage, netting installation and soil-nail installation. Over 700 soil-nails, totalling 4 kilometres, were installed using 500kg drilling rigs suspended from anchor supports.
Beach works included the installation of a sheet-pile retaining wall, driven piling, a concrete beam and a 2m high gabion wall. Logistics were challenging due to the severity of exposure to the elements, and all plant and material having to be transported to site by landing-craft. This could only be performed at certain levels of tide.
The project showcased the specialisation and diversity of Geomarine’s capabilities, including rope access, drilling, marine operations, drainage and demolition.