water main rehabilitation Articles
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A resilience-based prioritization scheme for water main rehabilitation
Water supply infrastructure in the United States is one lifeline system that is in dire need of huge financial investments to counter pipeline deterioration while keeping up with increasing demands and reliability goals. With decreasing financial resources available to state and local governments, effective decision-making tools for pipeline prioritization are becoming an increasingly ...
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Resilience-based water main rehabilitation planning in a multi-hazard context
Due to aging beyond the intended design life, many water mains in the USA are currently deteriorated resulting in an increasing number of failures which challenge water utilities with diminished supply reliabilities, loss of treated water, and numerous other societal issues. Water pipeline systems serving regions that are naturally vulnerable to external hazards, such as earthquakes, pose ...
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Water Main / Fire Line Rehabilitation
Problem Dirty brown water and poor water flow were the first clues that a mid-Atlantic commercial property owner had a problem. Then the owner was put on notice by the local fire department that the water supply lines were no longer meeting the required flow requirements. Four hydrants on the owner’s property were flowing between 200 to 300 gallons per minute due to heavy corrosion-induced ...
By CuraFlo
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A comprehensive review on the challenges of cured-in-place pipe (CIPP) installations
This paper outlines the issues and challenges associated with cured-in-place pipe (CIPP) rehabilitation projects of sewer mains, water mains, and service laterals. Common problems and challenges are first reviewed from the available literature and CIPP installation site visits. These obstacles and risks are classified into five different categories: pipe condition and configuration, ...
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A decision support tool for water mains renewal for small to medium sized utilities: a risk index approach
All over the world water mains are under increasing threat due to aging, aggressive environmental factors, operational factors and inadequate maintenance. Extensive maintenance, repair and rehabilitation practices, or replacement of water mains are required to ensure an acceptable performance of water supply systems. Investment deficit for water system maintenance and rehabilitation has been ...
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MFE slipline of water supply case study
HOBAS Under Live Runway When the main water supply line at the McAllen, Texas, airport was rehabilitated using HOBAS pipe, it brought new meaning to the phrase “slipline live.” McAllen-Miller International Airport (MFE) is the primary business airport of deep South Texas and Northeast Mexico. To accommodate the future needs of the greater Rio Grande Valley, a master plan for future ...
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Natural Disaster Recovery & Drinking Water
Clean water is one of the fundamental pillars of modern civilization, and a major priority for local and municipal government. When disaster – hurricanes, tornadoes, earthquakes – strikes, one of the first priorities is to rehabilitate water treatment and distribution systems. Water main and pipe breaks, pressure loss, and backflow can all act to introduce external contamination ...
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