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Analyse des conditions de mise en œuvre de l’autosurveillance des réseaux d’assainissement. Le cas des agglomérations de Lyon et de Nantes dans les années 1990 et 2010

Abstract : This thesis work is part of the contribution of EVS-INSA de Lyon laboratory into MENTOR project aiming to better manage sewerage networks through setting up measure devices suited to measurement sites specificities and to organizations involved in urban sanitation management. In this context, this thesis studies the implementation of the sewerage network self-monitoring in accordance with regulations related to continuous control of sewerage systems operation. The self-monitoring is envisaged as technical and organizational device that aims to product necessary data to survey flows being sent into networks and evaluate discharges to receiving water. In order to do so, this research is interested in sociotechnical milieu needed to implement networks self-monitoring by analyzing two case studies: Lyon Metropole and Nantes Metropole. The field work is based on interviews and observations within organizations contributing to the self-monitoring deployment. The results demonstrate that produced data, despite their interest to improve sewerage systems knowledge and optimize their operation, are used essentially in order to examine how self-monitoring regulations are applied. This would appear to be a result of the discrepancies between new self-monitoring devices and socio-technical milieus in which those devices are being applied, especially existing organizations. Those would be unable to make a total deployment of self-monitoring due to human and financial resources that should be invested to improve its management. Thus, self-monitoring of sewerage networks is operating, but not up to be made of its potential according a degraded mode.
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Submitted on : Wednesday, November 17, 2021 - 5:01:22 PM
Last modification on : Monday, November 22, 2021 - 4:02:46 PM
Long-term archiving on: : Friday, February 18, 2022 - 8:45:29 PM

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  • HAL Id : tel-03433377, version 1

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Selma Baati. Analyse des conditions de mise en œuvre de l’autosurveillance des réseaux d’assainissement. Le cas des agglomérations de Lyon et de Nantes dans les années 1990 et 2010. Environnement et Société. Université de Lyon, 2021. Français. ⟨NNT : 2021LYSEI030⟩. ⟨tel-03433377⟩

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