water pipeline Articles

  • A long-term plan for water pipeline rehabilitation considering preventive maintenance

    Water pipelines deliver water of daily-life demand to customers. However, pipelines tend to be damaged after years of use. Thus, many waterworks are now faced with the major task of water pipeline rehabilitation. However, budgets for pipeline replacement are limited. The present study aims to propose a long-term plan for water pipeline rehabilitation under limited rehabilitation budgets that ...


    By IWA Publishing

  • Detection and sizing of extended partial blockages in pipelines by means of a stochastic successive linear estimator

    Effective water system management depends upon knowledge of the current state of a water pipeline system network. For example, in many cases, partial blockages in a water pipeline system are a source of inefficiencies, and result in an increase of pumping costs. These anomalies must be detected and corrected as early as possible. In this study, an algorithm is developed for detecting blockages ...


    By IWA Publishing

  • Project SaniTube in Sweden - Case Study

    600 meters SaniTube DN400 A drinking water pipeline was repaired in 2018 by the contractor Pollex. SaniTube was chosen for this task because it is quick and easy to install. One of the biggest challenges for Pollex was the rehabilitation of the line, which ran under a road. Thanks to SaniTube and its trenchless installation method, a quick and efficient solution could be found that would not ...


    By Amex Sanivar

  • 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 ...


    By IWA Publishing

  • Toxicologic effect of water pipelines on water quality

    Water has been the most important element for the human beings for survival since foundation of civilizations. To reach and keep water sources, communities had to fight big battles, some were ceased out completely, some were forced to migrate. The ones who reached water sources have shown fast development compared to others. With the development of civilizations, industry is formed; and human ...


    By SUPERLIT

  • Renewal prioritization of multi-regional water supply pipelines through water supply risk assessment

    In the Republic of Korea, multi-regional water supply pipelines were intensively laid during the rapid economic growth period; however, these pipelines are now aging. The cost of renewal of the aged pipelines would be enormous. Therefore, limited resources need to be distributed effectively in accordance with the priority of renewal. In this study, the risks involved in the multi-regional ...


    By IWA Publishing

  • Muddled waters - pipeline abandonment

    An oil company had three subsea pipelines in the Gulf of Mexico that were severed by mudslides caused by a hurricane. CETCO Oilfield Services, working in conjunction with two other companies, used coiled tubing to clean and abandon the three damaged sections of the subsea pipelines. The sections of broken pipelines were buried in mud at a water depth of 200 feet. Because the pipelines could not ...


    By CETCO Energy Services

  • Research on buried pipe corrosion assessment using corrosion sensors

    This research aims to establish a water pipeline replacement plan that employs soil-corrosion evaluation technology and utilizes easy-to-use corrosion sensors by assessing the performances and validating operation methods based on verification experiments. Since 2005, we have assessed the performances of two different types of sensor, and have confirmed that bar-type sensors can detect soil ...


    By IWA Publishing

  • Inspection that took 5 months now completed in a single day

    Pure Technologies completes longest single day pipeline inspection to date using PipeDiver® technology. From the Colorado town of Buena Vista, the views of the distant Rocky Mountains are deceptively stunning. Up close, the terrain is hilly, inhospitable and extremely remote. With no roads and little access, this is helicopter, snowmobile and 4-wheel-drive country. As might be expected, the ...

  • Restoration of heathland case study

    Dr Phil Putwain has undertaken research over a period of 30 years on the restoration of lowland and upland heathland landscapes following severe disturbance by development projects on uncolonised mineral substrates on marginal farmland. The research findings were applied to practical implementation of heathland restoration on a large scale at sites throughout Britain ranging from the Orkney ...

  • 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 ...


    By IWA Publishing

  • Study on failure rate analysis for water distribution pipelines

    Many of the waterworks facilities in Japan were constructed during the rapid economic growth period. Today, the deterioration and renovation of these aged facilities have become a pressing issue. There are approximately 600,000 km worth of water pipelines laid out across Japan, accounting for about 70% of the nation's water-related assets (totalling ¥40 trillion). To provide water that is safe to ...


    By IWA Publishing

  • Australian-made technology renews Sydney's oldest sewers

    Like all large cities around the world, Sydney's major underground sewers are deteriorating through age and reaching the end of their service life. To succeed in its vision to be the lifestream of Sydney for generations to come, Sydney Water's active sewer renewals program needs to renew underground sewers beneath heavily populated and environmentally sensitive areas. One of Sydney Water's ...


    By IWA Publishing

  • Surviving the Jackson Drive interconnect pipeline project

    The San Diego County Water Authority got the call at midnight on May 16, 2006. One of themajor water delivery pipelines in Mission Trails Regional Park in San Diego had burst, resulting in millions of gallons of water rushing through the park. It was over the next several hours that the Water Authority’s community outreach began. Within days the project was declared an emergency and the Water ...

  • Multiple-fault detection in water pipelines using transient-based time-frequency analysis

    Pipe faults, such as leakage and blockage, commonly exist in water pipeline systems. It is essential to identify and fix these failures appropriately in order to reduce the risk of water pollution and enhance the security of water supply. Recently, transient-based detection methods have been developed for their advantages of non-intrusion, efficiency and economics compared to traditional ...


    By IWA Publishing

  • Estimating burst probability of water pipelines with a competing hazard model

    Because pipeline systems represent more than 80% of the total asset value of water-distribution systems, their management is an important issue for water utilities. A pipeline deteriorates over time after installation and, along with the deterioration, pipe bursts can occur as various types, and the choice of a maintenance and repair strategy will depend on the burst types. It is therefore ...


    By IWA Publishing

  • The presence of opportunistic pathogens, Legionella spp., L. pneumophila and Mycobacterium avium complex, in South Australian reuse water distribution pipelines

    Water reuse has become increasingly important for sustainable water management. Currently, its application is primarily constrained by the potential health risks. Presently there is limited knowledge regarding the presence and fate of opportunistic pathogens along reuse water distribution pipelines. In this study opportunistic human pathogens Legionella spp., L. pneumophila and Mycobacterium ...


    By IWA Publishing

  • Resilient water supply system for earthquake and tsunami

    This paper focuses on a resilient water supply system for earthquake and tsunami. The 2011 off the Pacific coast of Tohoku earthquake generated not only strong ground vibration but also a tremendous tsunami. Although some of the water supply system suffered damage and water suspension occurred extensively, earthquake-resistant pipes survived and a quick recovery of water delivery was achieved. ...


    By IWA Publishing

  • Case Study - Lacustrine: Underwater Resistivity Surveys

    Lake Travis – Austin, Texas Objective: Locate buried pipeline and map the limestone bedrock surface Site: Lake Travis, near Austin, Texas USA during the AGI Marine Resistivity Seminar Date: May 1, 2014 and May 7, 2015 Instrument: SuperStingR8 WiFi, SwitchBox56, underwater marine cable with 28 electrodes spaced at 6m. Software: EarthImager 2D underwater resistivity inversion model ...


    By Advanced Geosciences, Inc.

  • Influence of porous media on intrusion rate into water distribution pipes

    Untreated water can intrude into water distribution systems through pipe leaks and cracks when negative pressure events occur inside drinking water pipelines. The orifice equation is typically used for calculation of intrusion flow rate, which ignores the impact of the soil surrounding the pipeline. This paper presents the results of an experimental study on the effect of porous ...


    By IWA Publishing

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