pipeline condition assessment Articles
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No Silver Bullet Technology For Pipeline Condition Assessment
For utilities with large-diameter networks, waiting for failures to occur before repairing or replacing highly critical mains is not an option. With a large amount of buried water infrastructure reaching the end of its service life, operators have every incentive to take a proactive approach to asset management. Nowhere is this more critical than in busy urban centres. The fallout from an ...
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Hydraulic transient wave separation algorithm using a dual-sensor with applications to pipeline condition assessment
Over the past two decades, techniques have been developed for pipeline leak detection and condition assessment using hydraulic transient waves (i.e. water hammer waves). A common measurement strategy for applications involves analysis of signals from a single pressure sensor located at each measurement site. The measured pressure trace from a single sensor is a superposition of reflections ...
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Transient frequency response based leak detection in water supply pipeline systems with branched and looped junctions
The transient frequency response (TFR) method has been widely developed and applied in the literature to identify and detect potential defects such as leakage and blockage in water supply pipe systems. This type of method was found to be efficient, economic and non-intrusive for pipeline condition assessment and diagnosis, but its applications so far are mainly limited to single and simple ...
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With its High Pressure Pipeline Environment, Rand Water Provided A Perfect Opportunity to Test New Smartball Insertion And Extraction Equipment
Rand Water is the largest bulk water utility in Africa and one of the largest in the world, providing bulk potable water to more than 23 million people in Gauteng, parts of Mpumalanga, the Free State and North West - an area that stretches over 31,000 square kilometres. Rand Water’s distribution network includes over 3,300 kilometres of large-diameter pipelines. In 2015 Rand Water embarked ...
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City Of North Bay Uses Condition Assessment On Critical Force Main To Implement Asset Management Plan
On one hand, it may seem like a waste of capital dollars if you perform a pipeline condition assessment and the final analysis turns up no leaks. Alternatively, you can also look at the no-leak report as a good news validation story, especially when using the information to help establish an asset management plan. Such was the case for a city of 51,000 situated between the shores of lovely Lake ...
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Underground, underwater, under stress: Town of Longboat Key puts SmartBall tool to unusual pipeline condition test
When much of your critical sewer pipeline lies buried under a bay of shimmering ocean water, the challenges required to assess its condition may seem daunting. That task faced the Town of Longboat Key, an affluent retirement community located on the barrier island of the same name off the west coast of Florida. Sensitive to environmental, health and safety issues, the Town has been concerned ...
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Case study - Baltimore County Department of public works
Service: Assess and Address Pipeline Management Client: Baltimore County DPW Project Date: July 2011 - ongoing Diameter: 16-inch to 54-inch Pipe Material: PCCP Length:~13 miles EM condition assessment~15 miles inline leak detection Results at a Glance SmartBall leak detection located 7 gas pockets in 15 miles of inspection Only 3.3% of pipe sections inspected showed signs of ...
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Debunking Murphy`s Law - Utilities address conditions to reduce risk of failure in aging metallic pipelines
According to an adapted Murphy's Law, "anything that can fail, will fail." While that universal engineering law has been proven true again and again, many utilities are working diligently to reduce the risk of failure by taking measures to improve the service life of their aging metallic assets. In North America, with the majority of water infrastructure reaching the end of its design life, ...
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What’s New? Maximizing The Life Of Aging Metallic Pipelines With Modern In-Line Technology
Maximizing the life of aging pipelines has long been a challenge in North America. Owners of large diameter water and wastewater infrastructure face particular condition assessment challenges, owing to factors such as financial constraints, environmental concerns and access restrictions, which compound the problem. While desktop studies can help identify pipes with a likelihood and consequence ...
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