1 AIT Asian Institute of Technology

Pressure management for energy and leakage reduction in a slected area of Bangkok water supply system in Thailand

AuthorMwakio, Jacob Mshambala
Call NumberAIT Thesis no.UWEM-14-08
Subject(s)Water supply--Thailand--Bangkok

Note103, A-13, B-2, C-6 leaves : ill.
PublisherAsian Institute of Technology
Series StatementThesis ; no. UWEM-14-08
AbstractThe Metropolitan Water Authorit y (MWA) , Thailand has delineated D istrict M etered A reas as part of interventions to managing and reducing Non - revenue Water (NRW) . Of concern to its customers are the prevailing low supply pressures that ha ve necessitated high energy consumption and cost s in respect to supplementing levels at end - users. In reflection, MW A desires to improve management of water distribution and uplift service levels by pressure management. This research undertook trade - off framework development and analysis to identify optimum higher supply pressure while considering minimization of result ant leakage losses and energy use. This task included a water audit of the pilot DMA 150302, development and extended period simulation of a demand - driven hydraulic model , as well as utility and customer energy use assessment . Stakeholder input into the tr ade - off study was incorporated by application of Analytic Hierarchy Process (AHP) to determine criteria weights of importance. Overall score for each alternative investigated was realized by application of Wymorian scoring function to normalize input value s and compromise combining function to sum individual criteria scores. Results indicate and recommend improve ment of minimum pressure at critical points in the DMA network from 7.5 mwc to 18 mwc. This undoubtedly lead s to higher leakage losses (16% to 25% ) and e nergy use for the u tility while greatly reducing that of customers . Total Energy Consumption is expected to increase by 23% - from 0.1766 to 0.2174 kWH/m 3 . Accompanying measure proposed include increasing inlet supply pressure by at least 12.875 mwc , laying additional distribution lines to connect underserved section of the distribution network, and intensification of non - revenue water reduction interventions. To adequately provide for these measures, a water tariff review study should be prioritized .
Year2014
Corresponding Series Added EntryAsian Institute of Technology. Thesis ; no. UWEM-14-08
TypeThesis
SchoolSchool of Engineering and Technology
DepartmentDepartment of Civil and Infrastucture Engineering (DCIE)
Academic Program/FoSUrban Water Engineering and Management (UWEM)
Chairperson(s)Babel, Mukand Singh
Examination Committee(s)Nemanja Trifunović;Visvanathan, C.;Jourdain, Damien
Scholarship Donor(s)Joint Japan/World Bank Graduate Scholarship Program (JJ/WBGSP)
DegreeThesis (M.Eng.) - Asian Institute of Technology - UNESCO-IHE, 2014


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