emergency water distribution Articles
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Life cycle cost analysis of water supply infrastructure affected by low rainfall in Ethiopia
This paper challenges the assumption that low cost CAPEX (capital expenditure) water supply infrastructure provides reduced life cycle costs when compared with higher cost CAPEX investments. The assumption is applied through a comparison of 10 years of financial data (2006–2016) from point source water supplies (accompanied by Emergency Expenditure – EMMEX investments – emergency water ...
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Innovative research program on the renewal of aging water infrastructure systems
The needs associated with the aging water infrastructure are immense and have been estimated at more than $1 trillion over the next 20 years for water and wastewater utilities. To meet this growing need, utilities require the use of innovative technologies and procedures for managing their systems. To help meet their needs, the U.S. Environmental Protection Agency initiated a research ...
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Trust and Hospitality in the Chicorral Community, Ixtahuacán, Sololá, Guatemala
For those who have all the basic services, it may be hard to conceive of the extreme poverty faced by the indigenous K'iche communities. My first experience in the Bio-rights initiative was to visit Chicorral, the most remote and difficult to access community, and smallest with only 20 families. In the rainy season it takes over an hour of difficult walking, depending on the physical obstacles ...
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Contamination accidents in China's drinking water distribution networks: status and countermeasures
In recent years, frequent urban drinking water contamination accidents have caused significant impacts on society in China. However, emergency measures are primarily realized as management policies lack systematic technologies especially for those within-network contamination accidents. The aim of this paper is to perform analysis on cases of contaminant accidents that occurred in water ...
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Guidelines for transient analysis in water transmission and distribution systems
All water systems leak, and many supply systems do so considerably, with water losses typically of approximately 20% of the water production. The IWA Water Loss Task Force aims for a significant reduction of annual water losses by drafting documents to assist practitioners and others to prevent, monitor and mitigate water losses in water transmission and distribution systems. One of the causes of ...
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Sustained effectiveness of automatic chlorinators installed in community-scale water distribution systems during an emergency recovery project in Haiti
In 2012 and 2013, as part of relief-to-recovery programming, Child Relief International partnered with Haiti Philanthropy to install automatic tablet-based chlorinators in 79 gravity-fed water distribution systems in Southeast Department, Haiti. We carried out a mixed methods evaluation to assess sustained effectiveness of chlorinators approximately two years after installation, including 18 ...
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The Next Generation of Level Control
Water is an essential resource for everyday life, and thus having a way to store and distribute water is of critical importance. Water storage tanks have been designed to compensate for varying water demands during high and low peak periods, as well as for firefighting, power outages and other emergency demands. There are many ways to store water in a distribution system, but what it all ...
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