2021
DOI: 10.2166/ws.2021.153
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Multivariate analysis of the pressure variation in intermittent water supply systems and the impact on demand satisfaction

Abstract: In intermittent drinking water distribution systems, large volumes of the water are wasted due to leaks in the distribution networks. Similarly, user service is not always satisfied in the time required to fill the storage, nor with sufficient pressure. Hence the importance of this study. Measuring the variability of pressure in the distribution network and determining the factors that influence the definition of a sufficient minimum hours of service, is a first step to change to a continuous service 24/7, in … Show more

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Cited by 5 publications
(2 citation statements)
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“…For water infrastructure specifically, when urban utilities do not possess sufficient water to fully pressurize the network at once, they pressurize small segments of the water network-"valve areas" servicing roughly 50 -200 households-in rotation, distributing water to hydraulically isolatable neighborhoods at different points in time (Andey & Kelkar, 2007;Hyun et al, 2018;Ilaya-Ayza et al, 2017). Staggered area-byarea distribution is the dominant form of managing water scarcity in cities in India and other low-and middle-income countries (see e.g., Gottipati & Nanduri, 2013;Vairavamoorthy et al 2008;Sánchez-Navarro et al 2021). Staggered zone-wise distribution is also commonly used to manage the scarcity of resources for other services, such as electricity.…”
Section: Measuring Intermittencymentioning
confidence: 99%
“…For water infrastructure specifically, when urban utilities do not possess sufficient water to fully pressurize the network at once, they pressurize small segments of the water network-"valve areas" servicing roughly 50 -200 households-in rotation, distributing water to hydraulically isolatable neighborhoods at different points in time (Andey & Kelkar, 2007;Hyun et al, 2018;Ilaya-Ayza et al, 2017). Staggered area-byarea distribution is the dominant form of managing water scarcity in cities in India and other low-and middle-income countries (see e.g., Gottipati & Nanduri, 2013;Vairavamoorthy et al 2008;Sánchez-Navarro et al 2021). Staggered zone-wise distribution is also commonly used to manage the scarcity of resources for other services, such as electricity.…”
Section: Measuring Intermittencymentioning
confidence: 99%
“…This is supported by Andey & Kelkar [12] who found significant variation in the measured pressure across four IWS networks also in India. Sánchez-Navarro et al [13] recorded the pressure at 347 points within an IWS network in Chihuahua, Mexico, over 3 years. The results showed significant variation in the local pressure at different points in the network.…”
Section: Network Hydraulicsmentioning
confidence: 99%