Bachy Soletanche has announced that foundations work on what will be western Europe’s tallest residential tower has been delivered ahead of schedule.
Working as principle contractor for Greenland Group, Bachy delivered the enabling works and geotechnical package for the 67 storey Spire London building located in Hertsmere Road, in London’s Docklands.
Work included design and installation of 66 large diameter rotary bored piles, with diameters of 1.8m and 2.1m, drilled under bentonite support fluid, to a depth of up to 67m. In addition to this, a secant piled (CSP) retaining wall, 220m in length and bored to a depth of 15m was constructed around the perimeter of the site.
During the initial test pile phase, the team set a new UK record for the static load testing of piled foundations, achieving a maximum loading force in excess of 100 MN, using the Osterberg Cell technique.
Greenland managing director Taotao Song said: “The construction milestones we’ve achieved to date in the build of Spire London are testament to the quality of the team on board and we’re pleased with progress. We look forward to embarking on the next stage of development, which will see earth start to be dug and the future basement of the building take shape.”