ACTEW have proudly announced that they’ve finished the first saddle dam as part of the Cotter Dam expansion:
The saddle dam is an embankment dam as opposed to the main dam which will be a concrete dam. It is approximately 22 metres high with a 250 metre wide crest, and is built from clay, rock and sand. It has a clay core and the rocks and clay for the dam were sourced from the Enlarged Cotter Dam construction site
The saddle dam will not only increase the amount of water that can be held in the enlarged dam when it is completed but is also currently serving as an important haul road, enabling the transport of aggregate from the onsite rock crushing plant to the concrete batch plant which will produce the concrete required for the main dam wall.
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