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Planning Unidirectional Flushing Operations as a Response to Drinking Water Distribution System Contamination.

Poulin, Annie; Mailhot, Alain; Periche, Nathalie; Delorme, Louis; Villeneuve, Jean-Pierre (2010). Planning Unidirectional Flushing Operations as a Response to Drinking Water Distribution System Contamination. Journal of Water Resources Planning and Management , vol. 136 , nº 6. p. 647-657. DOI: 10.1061/(ASCE)WR.1943-5452.0000085.

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Résumé

This paper addresses the issue of contaminated water evacuation as part of the response process in cases of intentional or accidental contamination of drinking water distribution systems (DWDSs). Following a previous study which addressed contaminant isolation, an original flushing procedure (FP) is introduced. Through a heuristic set of rules, the FP defines unidirectional flushing (UDF) strategies in a safe, structured, and efficient manner. In addition to the rather theoretical considerations related to hydraulics modeling, the FP also takes into account the operational issues of UDF implementation. Compared to other similar studies, the latter aspect establishes the main contribution of this paper. The FP has been applied to two real-world networks and application of the heuristic rules is demonstrated with the aid of a detailed example. General results suggest possible improvements to existing network configurations and to the design of projected networks to better support contamination response planning.

Type de document: Article
Mots-clés libres: water pollution; drinking water; waste treatment; structural safety; water supply systems; flushing; hydraulic models; algorithms
Centre: Centre Eau Terre Environnement
Date de dépôt: 08 janv. 2021 17:06
Dernière modification: 08 janv. 2021 17:06
URI: http://espace.inrs.ca/id/eprint/10681

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