Informations et ressources scientifiques
sur le développement des zones arides et semi-arides

Titre : Evaluation of operational performance of water distribution systems in Sultanate of Oman

Auteur : Al-Naamani, Ahmed Nuaaman Hamood.

Université de soutenance : Sultan Qaboos University

Grade : Master of Science (MS) in Civil Engineering (Water Resources) 2020

Résumé partiel
The primary goal of the study is to assess the performance of the existing potable Water Supply System (WSS) in the Sultanate of Oman using hydraulic simulation models and existing performance Indicators. Al Amerat Wilayat network has considered for the case study. The study aimed to help the decision-makers at Public Authority for Water (PAW) understand its distribution system needs and assist them in long-term planning of water assets. More specifically, the detailed objectives of the study are to evaluate the performance of the water supply system for the study area (Al Amerat Wilayat) by using a set of Performance Indicators. Besides, investigate the efficiency and hydraulic performance of Al Amerat Wilayat water distribution system using hydraulic simulation analysis and model. Finally, a survey made across public water system in Al Amerat to determine current water loss estimates, and then evaluated the financial impact posed by Non-Revenue Water (NRW) and how this impact could be minimized. The performance indicators selected from the International Water Association (IWA) indicators to evaluate Al Amerat WSS. Then, the methods of evaluating and scoring the performance indicators were developed. In order to determine the WSS efficiency, various data collected from PAW such as as-built information, Supervisory Control & Data Acquisition (SCADA) data and field data like actual flow, pressure. Subsequently, the model was built and calibrated using historical data collected from SCADA. Finally, American Water Works Association (AWWA) methodology and software were used for water audit and water losses estimate..

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