water pipe rehabilitation Articles

  • Review of rehabilitation strategies for water distribution pipes

    Effective rehabilitation strategies for water pipes play a very important role in both sustaining the reliability of water distribution systems and reducing costs. Pipe breakage prediction models provide a platform for effective rehabilitation strategies. The strength of the rehabilitation strategies is just an extension to those predictive models. There are different techniques and methods for ...


    By IWA Publishing

  • 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

  • Beyond risk: a community return on investment approach to pipe rehabilitation

    American water resource agencies are increasingly turning to risk analysis to prioritize replacement and rehabilitation (R&R) activities, especially for distribution and collection system piping. Risk is commonly evaluated using a two-dimensional matrix, and pipes scoring highest in both dimensions (failure likelihood and failure consequence) are scheduled for attention first. This approach is an ...

  • Optimising the Rehabilitation of polluted Mine Tailings and Water by SupaZorb

    To date the polluted acid mine drainage (AMD) – the second biggest environmental problem of the world - from South Africa’s gold mines, was characterised and treated by the precipitation of heavy metals with lime and sulphates, by means of iron exchange. The chemical treatment with expensive and toxic caustic soda (Sodium Hydroxide, NaOH) is to lift the pH, in order to reduce the corrosion on ...


    By SupaZOrb

  • Integrated planning of rehabilitation strategies for sewers

    Building measures in sewer systems are increasingly driven by rehabilitation/retrofitting and adaptation needs. Aging infrastructure together with changing boundary conditions (due to climate change, land-use change, demographic change) and also changing design standards and legislation require a prospective design to preserve the functionality of urban drainage systems not only today, but also ...


    By IWA Publishing

  • Development of a sealing material and robot for automatic socket rehabilitation of grey cast iron pipes in drinking water supply systems

    The project DeWaLoP, led by Vienna Water, aims to develop a robot that is able to apply a sealing system to repair the joint sockets of pressure operating water pipes measuring about 1 m in diameter. To do this, a modification of the sealing material for inner surface application will be developed and a complex robot system will be designed to perform various tasks, such as inspecting, cleaning ...


    By IWA Publishing

  • Prediction of water and wastewater networks rehabilitation based current age and material distribution

    Ageing drinking water, stormwater and sewer pipe networks imply an increased degree of rehabilitation. The need for rehabilitation can be predicted using lifetime distribution functions together with current network age and material distribution. In Sweden, current age and material distribution is neither documented on a national level, nor for many water utilities on a local level. In this ...


    By IWA Publishing

  • Unique technology for monitoring piped water

    INTELLITECT WATER has launched a unique, highly innovative drinking water monitoring technology that will revolutionise the delivery of drinking water. The new technology monitors the quality of water in pipeline distribution networks and for the first time provides reliable data to protect the integrity of the water quality, to enhance customer satisfaction and to improve operational efficiency. ...


    By Intellitect Water Ltd

  • Sewer rehabilitation for capacity increase fast track solution for providing required capacity

    The large North Carolina municipality had an obligation to provide sanitary sewer services to a development located in the downtown area. The existing sewer in the area was not sufficient to meet the demand and the increased capacity needed to be provided within three months. This paper outlines the required sewer assessment procedure and rehabilitation method selection. The ultimate solution ...

  • Trouble Shooting for Trenchless Liner Installation During Sewer Line Rehabilitation

    ABSTRACTLining is being used by the utility industry as a cost effective solution to rehabilitate utility lines. Many types of liners, such as, cured-in-place-pipe (CIPP), fold and form PVC, deformed & reformed HDPE, etc., are being used to restore structural integrity of deteriorated pipes and to reduce inflow/infiltration. Most of the lining installation is carried out without any problem, ...

  • Combined application of Pipe Penetrating Radar and LIDAR for large diameter pipe inspection

    Abstract: Pipe Penetrating Radar (PPR) is the underground in-pipe application of ground penetrating radar (GPR), a non-destructive testing method that can detect defects and cavities within and outside mainline diameter (>18 in./450mm) non-metallic (reinforced concrete, vitrified clay, PVC, HDPE, etc.) underground pipes. Light Detection and Ranging (LIDAR) has become an accepted method for ...


    By SewerVUE

  • Wastewater Treatment Facility Rehabilitation Arrowhead Sewer Company, Inc. Pocono Lake, Pennsylvania

    Arrowhead Sewer Company, Inc. hired Princeton Hydro, LLC to provide engineering services to reinstall an inflow Equalization Tank that floated due to unforeseen groundwater conditions. Given site and layout restrictions, Princeton Hydro designed groundwater and overland flow control elements to buffer the tank from groundwater uplift. The system consisted of two main parts: a diversion channel to ...


    By Invisible Structures, Inc.

  • Installation of Large Diameter Buried Pipes

    The ProblemThere is an ongoing need to provide designers, specifiers, engineers, consultants and students an overview and general understanding on the proper installation and rehabilitation of buried municipal and industrial pipelines to provide a long-lasting wastewater and potable water infrastructure that will serve future generations. Goals and ObjectiveMost buried ...

  • 5 Considerations for Choosing Pipe Bursting

    Homeowners who encounter sewer, drain, and water line problems often dread repairs not just because of the expense, but the major disruptions that they expect. Excavation, torn up lawns, and days of going without water are associated with traditional methods of repair. Fortunately, technology has made it possible to assess and fix pipes with minimal disruption by using a technique called pipe ...


    By TRIC Tools Inc.

  • A multi-step genetic algorithm model for ensuring cost-effectiveness and adequate water pressure in a trunk/limb mains pipe system

    A water distribution network is the most expensive component of a water supply system; consequently, the overall planning, installation, and rehabilitation processes should be implemented accurately and carefully. The main issue that developing countries are facing is how to optimize the distribution network to meet increasing water demand. To tackle the issue, this paper proposes a new concept ...


    By IWA Publishing

  • Economic Model for Prioritizing Pipe Replacement Programs

    INTRODUCTION The condition of public infrastructure has become a common story in the United States media. Numerous newspaper, magazine, and television reports have described the need to upgrade the nation’s aging infrastructure. Estimated costs for these upgrades are staggering, typically in the hundreds of billions if not trillions of dollars. Despite these high estimates, there is no unified ...


    By Weston Solutions, Inc

  • Advanced Condition Assessments: The benefits of using Pipe Penetrating Radar

    Abstract: Pipe Penetrating Radar (PPR) is the underground in-pipe application of GPR, a non-destructive testing method that can detect defects and cavities within and outside mainline diameter (>18 in/450 mm) nonmetallic (reinforced concrete, vitrified clay, PVC, HDPE, etc.) underground pipes. The key advantage of PPR is the unique ability to map pipe wall thickness and deterioration including ...


    By SewerVUE

  • Frankfort Electric and Water Plant Board Verifies Distress on Ductile Iron Pipe Using Electromagnetics

    Commercial introduction of ductile iron pipe (DIP) began in the mid-1950s and was established as the most frequently selected material of choice for ferrous pressure pipe by the early 1970s. Due to the widespread use of DIP during a large expansion of pipeline infrastructure in the 1970s, there are many thousands of miles of pressurized DIP in operation today. Water and wastewater utilities ...


    By Pure Technologies

  • STOP IT® Pipe Repair System helps keep companies on line

    Since 1986, InduMar Products Inc. has provided a unique solution for the fluid processing industries with the STOP IT Repair System. Refineries, chemical plants, pulp and paper mills and the mining industry all have pipes carrying products that are often highly flammable, toxic or corrosive and the STOP IT system provides a method to restore product and profit flow in minutes instead of the many ...


    By InduMar Products, Inc.

  • Sewer-Main Collection Pipe Joint Infiltration Testing and Life Cycle Cost Analysis

    ABSTRACTResearch ProjectsMajor members of the sewer-main pipe manufacturing industry and the University of Houston have completed and published the results of the following two research projects: The Sewer-Main Collection Pipe Joint Infiltration Testing research project that measured the water infiltration rate of water-tight designed 30-inch pipe joints. The joint tightness testing was ...

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