Making Water System Rehabilitation Decisionsby Thomas M. Walski, (M.ASCE), US Army Corps of Engineers, Waterways Experiment Station, Vicksburg, MS, USA,
Abstract: Making decisions regarding water distribution systems has always involved a great deal of judgment due to the complexity of the decisions involved. This paper presents a framework for approaching the problem in an organized manner to develop economically justifiable solutions. The key is to break decision making into three steps: analyze the need for replacement based on physical integrity; find the least cost solution to meet pressure and flow requirements; and assess the water quality and reliability consequences. Refs.
Subject Headings: Water supply systems | Economic factors | Water quality | Rehabilitation | Frames | Decision making | Pressurized flow | Water flow
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