With a combined 80 years’ experience amongst our three founders, gained both in Australia and overseas, GSS can provide the market with a variety of services covering both Geotechnical and Geophysics needs. GSS specialises in deep fill reclassification, geotechnical in-situ testing with Grizzly Probing Super Heavy rig, Portable Variable Energy Impact Penetrometer ( PANDA), Light Falling Weight Deflectometer (LFWD), Plate Load Test (PLT), deep foundation design, retaining structures, slope stability, settlement analysis, pavement design and various geophysics aspects.