WP 6, delivery 16, procedure for choosing the right sewer rehabilitation technology, D16- CARE S european project - Ecole Nationale du Génie de l'Eau et de l'Environnement de Strasbourg Accéder directement au contenu
Rapport Année : 2003

WP 6, delivery 16, procedure for choosing the right sewer rehabilitation technology, D16- CARE S european project

Procédure pour le choix de la bonne technique de réhabilitation d'une conduite d'assainissement

Résumé

The right sewer rehabilitation technology, in economic as well as in technical terms, is chosen from a defined catalogue of technologies fulfilling the requirements under specific local conditions. Direct rehab costs are systematically analysed and documented for a variety of open trenching and no dig rehabilitation technologies. Beyond these direct costs, the support system takes into account a multitude of other factors, which are usually collected by wastewater companies preparing a public tender on a specific rehab project. Although from a financial point of view, the waste water company would choose the lowest bid, it has also to consider external costs that are not charged directly to the waste water company, such as impacts on trades or traffic disturbances for road users. This paper presents the application of Strassert's balancing and ranking procedure to the problem of choosing the right sewer rehabilitation technology. The procedure is implemented into computer software that is directly linked to a data base of rehabilitation technologies. It is tested against case studies from various European sewer networks. The work presented is carried out within CARE-S (Computer Aided REhabilitation of Sewer and storm-water networks), a project under the EU 5th framework programme.

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Dates et versions

hal-02587621 , version 1 (15-05-2020)

Identifiants

Citer

R. Baur, R. Herz, I. Kropp, L. Tuhovcak, V. Sulcova, et al.. WP 6, delivery 16, procedure for choosing the right sewer rehabilitation technology, D16- CARE S european project. irstea. 2003, pp.33. ⟨hal-02587621⟩
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