cross-contamination between strata. Work was carried out in bunded areas with borehole arisings and groundwater stored and tested before being sent for disposal off-site. Keller - sheet pile wall & ground anchor installation The GPR survey was used to identify any shallow voids beneath the quayside that could present a hazard to machinery tracking over the area during construction. Plate Bearing Testing confirmed appropriate CBR values had been achieved by the compaction of loose and soft quayside material before construction began. CASE STUDY www.harrisongroupuk.com PROJECT: FLOOD DEFENCES GROUND INVESTIGATION LOCATION: GREAT YARMOUTH, NORFOLK VALUE: £140K SCOPE OF WORK The ground investigation began in 2014 and comprised 16no., 40m deep, cable percussive boreholes to provide

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