RTG RG16T with twin rotary installing secant wall in Mayfair for Keller

Keller Geotechnique  have been hiring an RTG RG16T telescopic leader rig with twin rotary head from us installing 7 m deep 406 mm dia hard / firm secant piles in Mayfair. The machine was chosen for its ability to work within close proximity of an adjacent wall. In this case just 100 mm!