2001 – Large Dams and Recommended Practices – An Asian Development Bank Study

Ranji Casinader

The report of the World Commission on Dams (WCD), issued in November 2000 was the result of a world-wide study of the development and effectiveness of dams. This paper describes a parallel but much smaller study, specifically relevant to the Asia-Pacific Region, carried out simultaneously for the Asian Development Bank (ADB) by a multi-disciplinary consortium of consulting organisations, whose work was reviewed by an Advisory Panel. This study comprised an analysis of performance compared with design expectations in case studies of four dams spread across the Region and constructed at different times between 1970 and 1999, supplemented by a literature survey. Although the case studies were conducted independently of WCD and to different Terms of Reference, they used similar methodologies, and the results were submitted to WCD to increase their knowledge base. The ADB study’ s recommendations take a somewhat different form to those of the WCD, but there is no conflict between the recommendations of the two studies.

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