Scheduling water networks renewal using hybrid optimization model

TL;DRAbstract

Through a bibliography review of works treating of renewal and rehabilitation of water distribution network, we identified a set of variables and factors that should be taken into account along the decision process. The approach proposed aims to schedule works on the network according to financial resources assess, considering variables linked with the environment of pipes and factors describing the whole network trough its hydraulic performance. Using Genetic Algorithm and Hydraulic simulation, the model proposes an acceptable policy, defining sequences of works on the water network. Four decisions are possible at the pipe scale: to do nothing (to repair if break occurs), to rehabilitate, to replace and to reinforce. The decisions taken enhance reliability of water distribution network and\ngives better satisfaction to consumers.

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