WA – South Dandalup Dam Outlet Works Project

South Dandalup Dam is located 90 kilometres south of Perth. The dam was constructed between 1971 and 1974 and is a key source of water for Perth.

The South Dandalup Outlet Works Project was created to address known deficiencies related to the dam outlet works which were identified in various investigations and condition assessments done in conjunction with Dam Safety Reviews and Comprehensive Surveillance Reviews.

The scope of work includes replacing the intake tower cast iron bellmouths and intake tower valves, replacing the downstream sluice valve on the outlet main with a guard valve, upgrading the guard valve pit, replacing the fixed cone dispersion valve (FCDV), extending the existing concrete encasement to the guard valve pit and other minor works.

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