The Yass Dam upgrade involved tripling the township of Yass’s potable water supply by raising the height of the existing concrete gravity dam by three metres. As a result of a prolonged drought, the Yass Valley Council highlighted the significance of the upgrade, which is now a reliable asset for the broader community in the Yass district.
Geotech was engaged as principal contractor for the Yass Dam Upgrade.
The scope of works included concrete excavation components of existing dam; in-situ reinforced concrete works on downstream face and over crest; the design, fabrication, installation of post tensioned GEGA anchors; earthworks; roadwork; bridge construction; mechanical fabrication and installation of a new inlet pipe system, including valve automation; working at heights; working on/over water; and environmental management of works in a watercourse.
Ground Anchor expertise - Geotech is at the forefront of ground anchor research and development. Yass Dam is the location of the world’s first post tensioned Carbon Fibre (CFRP) ground anchor. Thanks to the support of Yass Valley Council, the CFRP 27-strand ground anchor was installed into the dam’s right hand side abutment.
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GEOTECH OFFICE LOCATIONS
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174 Turner Street, Port Melbourne, VIC 3207
PERTH
Level 3, 195 Great Eastern Highway, Belmont, Western Australia 6104
+61 8 9488 8212
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Level 2, 100 Melbourne Street, South Brisbane, Queensland 4101
SYDNEY
Level 2, 55 Harrington Street, The Rocks, New South Wales 2000