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Simon Nathan (s.nathan@xtra.co.nz) This article was previously published in the Geoscience Society of New Zealand Journal of the Historical Studies Group 68, January 2021 The Clyde Dam on the Clutha River (Fig. 1), which started generating power in 1993, was the last major hydro-electric scheme…

Abstract Three concrete arch dams (Mahinerangi Dam, Waipori Nos. 2 and 4) and one gravity weir (Waipori No.3) of varying ages provide the impoundments for the Waipori Hydro-electric Scheme. Findings of a comprehensive dam safety review carried out in 2012 indicated some knowledge shortcomings when…