Overview

This book addresses current international practices applied for dam safety assessments by looking at a portfolio of dam safety projects in various developing countries (Armenia, Georgia, Tajikistan, Mauritius, Madagascar, Sri Lanka, Myanmar and Vietnam) spread across three continents (Europe, Africa and Asia). Safety assessment involved the review of 134 existing dams and comparison with the best international practices. A large part of dam safety assessment involves understanding of dam hazards, standards applied in the design and maintenance, as well as expectation and social circumstances under which the dams have been designed and constructed in a particular country. For example, standards for design floods, ground investigation, selection of design soil parameters and design earthquakes etc. used are often either non-existent or inadequate, which could lead to an unsafe design. If there are no standards to be applied in dam design and construction, consultants are often under pressure from clients to come up with minimalistic investigation and designs, which, after a few years after dam construction, show signs of deficiencies. Very often countries have no regulations and standards for requirements that should cover the maintenance and operation of dams. The book also describes the Portfolio Risk Assessment of Dams, which can be used as a tool by clients and the funding agencies to identify priority assessment and rehabilitation projects that consider societal and economic losses. It also demonstrates how the implementation of Emergency Preparedness Planning could significantly reduce the number of people at risk. This book aims to help clients, consultants and funding agencies which are engaged in dam safety assessment projects in developing countries to focus on issues that are based on past lessons learnt.

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9780367335342

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Ljiljana Spasic-Gril has 40 years experience in the feasibility, design, dam safety assessment, construction and commissioning of dams and reservoirs in Europe, Africa, the Middle East, Central, South and East Asia, Australasia, North and South America. She has worked on around 400 dam projects in over 56 countries. Ljiljana has extensive experience on dam safety projects worldwide and has been involved in dam safety projects in the UK (8 dams), Sri Lanka (30 dams), Russia (one dam), Armenia (65 dams), Georgia (6 dams), Ethiopia, Vietnam (450 dams) and Central Asia (over 30 dams). The dam safety project in Central Asia included safety assessment of the Nurek dam, a 300 m high embankment dam, currently the second tallest dam in the world, and the Rogun Dam in Tajikistan when constructed to be the world’s tallest dam (335 m tall). Ljiljana has wide experience in managing the activities of multi-disciplinary teams comprising expats and local engineers; she has been involved in developing major schemes from inception through to implementation funded by the World Bank, Asian Development Bank, Islamic Development Bank, African Development Bank, EBRD, EIB, KfW, DfID and other international and UK funding agencies. Ljiljana has also been appointed as a Dam Expert to UNESCO World Heritage. She is author of 18 papers (6 presented at ICOLD conferences), a Chapter on Dams in the book “Engineering Geology and Geomorphology of Glaciated and Periglaciated Terrains” published by the Geological Society, Engineering Geology Special Publication 28. She is the UK representative to the Seismic Technical Committee of International Committee for Large Dams (ICOLD) and Permanent Visiting Professor at South Bank University, London (Dam Engineering).

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