Geotech was engaged as a specialist anchoring contractor to assist in the delivery of the Ararat Wind Farm, the third largest wind farm in Australia. It has 75 turbines, 34 of which are anchored foundations. Through early stages of design, Geotech was able to work with the designers to provide a cost- and time-effective anchored foundation solution. Geotech optimised a 24-strand high capacity post tensioned ground anchor with a minimum breaking load in excess of 6000kN. Geotech was contracted to manufacture, drill, install, stress and monitor 272 ground anchors across the 34 foundations over a 56-day period. The company was also engaged to supply and stress 512 horizontal PT ties within the 34 foundations.
Geotech was able to develop robust construction techniques to mitigate against the effects of weather, and provide certainty over program.
In order to drill and install the anchors in a timely manner, Geotech custom designed and built a single pass down-hole-hammer drilling rig. This eliminated the time-consuming process of changing rods.
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GEOTECH OFFICE LOCATIONS
HEAD OFFICE - MELBOURNE
174 Turner Street, Port Melbourne, VIC 3207
PERTH
Level 3, 195 Great Eastern Highway, Belmont, Western Australia 6104
+61 8 9488 8212
BRISBANE
Level 2, 100 Melbourne Street, South Brisbane, Queensland 4101
SYDNEY
Level 2, 55 Harrington Street, The Rocks, New South Wales 2000