The drilling specification called for a combination of sonic and air rotary drilling at a diameter of 250mm with the installation of 168mm 316 stainless steel screens.
Star Drilling undertook this multiple rig program using both conventional geotechnical methods and sonic drilling to investigate the water side of the Hume Weir Earthen Wall.
Addtional to it being Christmas, Star Drilling celebrated it's 10th year of operation with staff and their families with a day at the races.