都市域の安定給水体制の確立に関する一考察

概要

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The Typhoon 9119 attacked Nagasaki City on September 27, 1991. One of the damages was the stoppage of electricity, which occurred for a long period due to the destruction of the power transmission facilities, inducing a serious suspension of water-supply. Even though the municipal water supply system has already been completed almost all over the areas in Japan, risk management is not necessarily performed as it is supposed to be. lt is well known that a suspension of water-supply is induced by a drought. In such case, the attention is usually focused on how to overcome this damage. However, the present disaster taught us that it is insufficient to overcome the damages just during the drought. Rather, the risk management should be truely pursued, considering all kinds of causes and damages. In this paper, outline of the present suspension of water-supply is firstly reviewed based on the carried investigation, then results obtained through a survey are described with respect to the public awareness to this suspension. Finally, the importance of risk management will be emphasized in correlation with the establishment of water supply system in urban areas.
長崎大学工学部,Faculty of Engineering, Nagasaki Universityの論文