Application of the analytical hierarchy process for planning the rehabilitation of water distribution networks

Nizar Hassoun Nedjar, Yassine Djebbar and Lakhdar Djemili

Arab Gulf Journal of Scientific Research, 2023, vol. 41, issue 4, 518-538

Abstract: Purpose - This study aims to develop a decision support tool to improve planning for the rehabilitation of water distribution networks (WDN) using the analytical hierarchy process (AHP) method and the urgency level score. Design/methodology/approach - In this paper the AHP method was used to outclass the indicators having a strong influence on the deterioration of the pipes and the score of the level of urgency is calculated to establish the rehabilitation program (short, medium and long term). The proposed model was tested for the case of the city of Souk-Ahras in Algeria. Findings - Based on the judgments of twenty-four experts, the relative weights of the three physical, operational and environmental criteria of the pipeline were calculated and found to be equal to 35.40%, 55.60% and 9.00%, respectively. The two indicators, number of failures and pressure, were found to have the highest overall weights. The results of this article can be used to improve decision-making in WDN rehabilitation planning in Algeria. Research limitations/implications - The main objective of water companies is to provide citizens with good quality drinking water in sufficient quantity. However, over time, WDN age, degrade and deteriorate. This degradation leads to a drop in the performance through the degradation of water quality and an increase in loss rates. WDN rehabilitation is one of the most widely adopted solutions to address these drawbacks. Originality/value - Application of a hybrid method (AHP- Level of Emergency) for the planning of the rehabilitation of WDN in Algeria.

Keywords: Water supply service; Rehabilitation; Decision support; MCDM; Urgency level (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:agjsrp:agjsr-07-2022-0110

DOI: 10.1108/AGJSR-07-2022-0110

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