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Richard R. Davidson, Roger Vreugdenhil and Mark Foster

Significant cracking was observed on the crest of the main embankment at Lake Eppalock for many years, but in recent years increasing movement upstream during low reservoir levels indicated a progressively deteriorating stability situation. Investigations also revealed cohesive filter material that would allow a crack to propagate. A fast-tracked remedial works program was completed in 1999 to rebuild the highly vulnerable upper rockfill shells and filters, both upstream and downstream. To manage construction risk, the works were carried out directly by G- MW with innovations in removal, protection and replacement of the downstream shoulders, and placement of a new multi-zone filter.

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    2000  Papers

    2000 – The Dam Safety Upgrade at Lake Eppalock

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    2006  Papers

    2006-Resource Crisis Or Imagination Challenge?

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    2011  Papers

    2011 – Towards increased clarity in the application of ALARP

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