During the life of a dam changes in safety standards legislation and land use will inevitably occur and functional deterioration may also appear. To meet these challenges these Proceedings from a panel of international experts assess define and re-evaluate the design criteria for the construction of dams and the many attendant issues in on-going maintenance and management. Authors include international specialists: academics professionals and those in local government utilities and suppliers. Practitioners from these same fields will find the book a useful tool in acquiring a comprehensive knowledge of managing and retrofitting dams so that they can continue to meet society's needs.