water main repair Articles
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Lakehurst, IL - Case Study
Location: Lakehurst,IL Cofferdam Sizes: 6′ high x 225′ long Water Depth: 4′ Installation Time: 6.5 hours Project Description: Gas main repair Holding back water to allow a project to proceed is greatly facilitated by the use of portable cofferdams. Dam-It Dams has a wide range of cofferdams to accommodate virtually every project need. They ...
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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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Three separate water leaks located over a distance of 826m using the AQUASCAN TM2 - Case Study
Introduction Locating leaks on large diameter water mains can be very difficult due to poor sound propagation and increased distances between fittings that can be used to perform correlations from. For a correlator to highlight a potential leak each sensor must be able to receive the signal from that leak. Once a correlation is highlighted it is then down to the software and the user of the ...
By Gutermann AG
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Good Risk Prioritization Puts City Of Saskatoon On Top Of Its Game
While pipeline management may seem unaffordable, understanding the condition and targeting repair provides an alternate approach to wholesale replacement and allows operators to accomplish the same de-risking effort with less money. The City of Saskatoon operates more than 100 kilometers of water mains (400 mm diameter and larger) within the Water and Sewer Preservation Group. The City has an ...
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What Causes Water Main Leaks?
The number one cause of water leaks today and moving into the future will be the aging infrastructure. “A large part of the US public water system dates back to the years shortly after World War II, therefore, a significant amount of buried infrastructure is at or very near the end of its useful life.” – Qureshi & Shah, Journal AWWA. When aging infrastructure is combined ...
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Addressing Challenges in the Water Distribution and Treatment Supply Chain
Supply chain issues are an unwelcome side effect of the COVID-19 pandemic. Almost everyone has experienced product shortages and increased costs as a result. The water treatment supply chain is also caught up in these events. Water utilities must develop an intentional strategy to prevent service disruptions. ...
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