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Communication Dans Un Congrès Année : 2018

Cost benefit analysis for water network resilience assessment

Analyse couts bénéfices sur la résilience des réseaux d'eau potable

Résumé

Context of the water utilities: Water utilities are increasingly interested in the issue of the security of water supply, both in terms of quantity and of quality. They mainly consider two threats: climate change on the one hand and extreme events such as draught, flooding or intentional acts (i.e. explosion, contamination) on the other hand.Early warning in the event of a big pipe burst or a contamination and real time monitoring are similarly developing at bid spread in bigger utilities with the pending question of their costs and their benefits in terms of performance and security. The issue of crisis management is also predominant. Resilience assessment has developed since the 11th September 2001 events. EPA and USEPA have conducted studies on risk and crisis analysis (Cincinnati) and in Europe several projects dealt with the question of security around the subject of hydraulic simulation and sensor placement and risk analysis considering several contaminants (SECUREAU, SMART on-line WDN). The on-going franco-german project RESIWATER also focuses on these issues. The article presents the first results of a cost-benefit analysis of resilience scenarios of the water production and distribution system for different events.
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Dates et versions

hal-02608554 , version 1 (16-05-2020)

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C. Werey, R. Rulleau, A. Cheritat, C. Weber. Cost benefit analysis for water network resilience assessment. 6th Joint EWA/JSWA/WEF Conference on "The Resilience of the water Sector", May 2018, Munich, Germany. ⟨hal-02608554⟩
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