wastewater infrastructure repair Articles

  • Emergency Vs. Maintenance Repairs for Utilities.

    With populations rising throughout towns and cities in the United States there is a growing need to improve the nation’s water and wastewater infrastructures. Reliable water provisions are needed for continued development and sustenance. At the same time, it is necessary to properly discharge wastewater clinically and efficiently. Much of the inadequacies with water and wastewater assets ...


    By EnTech Engineering Company

  • Comprehensive Infrastructure Renewal Program Addresses Aging Water and Sewer Infrastructure in Miami-Dade County

    As industry studies continue to highlight the issues surrounding aging water and sewer infrastructure, policy-makers at the local, state and national level of government are beginning to recognize the problem and make infrastructure renewal programs a priority. One approach that combats the issues surrounding aging water infrastructure is asset management. This approach to infrastructure renewal ...

  • Wastewater and groundwater

    Nearly 25 percent of the population in the United States—in more than 25 million homes—disposes of wastewater through onsite, or unsewered, systems that return treated effluent to the ground. This is an important public health issue because many of those same homes use wells that rely on groundwater for the drinking water supply. With ...

  • Infrastructure Maintenance - An Economic Opportunity

    Public safety and the cost of doing business are deeply impacted when infrastructure is neglected. Here’s a look at the high cost of low maintenance and what can be done about it. A Bridge Too Far There are over 607,000 bridges in the United States. According to the 2013 Report Card for America’s Infrastructure,1 published by the American Society of ...


    By ASTM International

  • Practical Approach to Selection, Application & Inspection of Organic and Inorganic Wastewater Linings

    Abstract This paper provides an overview of organic and inorganic protective linings for collection systems and wastewater treatment plants from a field application perspective. The dynamic nature of corrosion, pre-job inspections, specification development, application “challenges” and inspection techniques are reviewed utilizing several case histories. ...


    By Sauereisen Inc.

  • A wastewater plant bio-augmentation success

    Rosethorne WWTP is located in Jefferson Parish, Louisiana, just west of New Orleans. The plant was constructed in the mid-1990s with a design capacity of 400,000 GPD. Today, the average daily flow through the plant is approximately 250,000 GPD. During Hurricane Katrina, in 2005, the plant suffered considerable damage to its mechanical infrastructure, and even after repairs, its effluent was ...


    By Reliant Water Technologies

  • Wastewater Force Main Management – Condition Data Analysis and Risk Assessment

    Armed with extensive preliminary analysis and actionable data collected through condition assessment, utility operators are able to make defensible decisions about their force mains. In the last part of our wastewater force main management series, we look at how operators can take ...

  • Wastewater Force Main Management – Condition Data Analysis and Risk Assessment

    Armed with extensive preliminary analysis and actionable data collected through condition assessment, utility operators are able to make defensible decisions about their force mains. In the last part of our wastewater force main management series, we look at how operators can take ...

  • Asset management and nondestructive evaluation of force mains in New York City

    Management of infrastructure assets has been gaining increased attention recently because of aging infrastructures. Wastewater infrastructures, such as sewers, force mains, etc., maintained by various municipalities across the nation are at increased risk of failure since they are buried underground and are usually scheduled for maintenance/repair only after a breakage. Force mains are a vital ...

  • Impacts of liquefaction on the potable water system of Christchurch in the 2010–2011 Canterbury (NZ) earthquakes

    This paper explores the performance of the potable water system of Christchurch during the series of strong earthquakes that hit Canterbury, New Zealand, in 2010–2011. Widespread soil liquefaction, consequent ground deformation (failures) and large lateral spreads shattered the lifelines and infrastructure over approximately one-third of the city area. The wastewater system was hit ...


    By IWA Publishing

  • Water System Infrastructure – A View of Where We Are, Where We Could Go and How We Can Get There.

    This is the first of several essays that are aimed at focusing attention on water and sewer infrastructure systems. In this essay, the current state of city and regional systems are examined, the current state of the industry will be examined next, investigating some of the tools, resources and technologies that are available, today. Beyond that, the final essay in this series will look at the ...


    By H2bid, Inc.

  • Pipeline Replacement without System Shutdown

    ABSTRACT According to one estimate there is over 4.2 billion feet of wastewater pipeline in the United States. The nation’s sanitary sewer system is increasing in size and the existing infrastructure is aging. Currently, there are almost 20,000 municipal collection systems building and maintaining these critical pipelines. A good portion of the pipe conduit is under attack by one or more of ...

  • Ready or not: The Changing Nature of Collection Systems Oversight

    ABSTRACT The collection and conveyance of sanitary wastewater is a principal tenet of sanitary engineering that has helped move developed countries into the modern urban age. The focus of collection system agencies has historically been to convey wastewater to treatment facilities. The operational practices of these agencies have generally been geared toward infrastructure maintenance and ...

  • Short Showers Replace Deep Baths: Drought Conditions Changing the Way Society Thinks About Water Infrastructure

    While proactive water conservation is a smart way for consumers to react to climate change, the crisis puts increased pressure on water utilities to better manage their resources and pipeline networks. Change is in the air. One only needs to check the daily news to understand why climate change, drought and water infrastructure have become frequent buzzwords heard around the water ...

  • Crumbling Concrete Water Networks Linked to Common Water Treatment Additive

    Concrete distribution and sewer networks are being corroded at an alarming rate partly because of a commonly used additive in the domestic drinking water and wastewater treatment process according to published reports in the journal Science. In countries throughout the world from industrialized nations like Australia and the USA to developing nations like Colombia, Ghana and the Philippines, the ...

  • Advanced criticality assessment method for sewer pipeline assets

    For effective management of water and wastewater infrastructure, the United States Environmental Protection Agency (US-EPA) has long emphasized the significant role of risk in prioritizing and optimizing asset management decisions. High risk assets are defined as assets with a high probability of failure (e.g. soon to fail, old, poor condition) and high consequences of failure (e.g. ...


    By IWA Publishing

  • GPR goes underground: Pipe Penetrating Radar

    Abstract: Pipe Penetrating Radar (PPR) is the underground in-pipe application of ground penetrating radar (GPR) either robotically or by manned entry to reveal wall thickness, delamination, voids, and other conditions that enable more precise determination of pipeline integrity and verifications for trenchless technology rehabilitation. PPR, when applied to pipe-bursting applications, can ...


    By SewerVUE

  • WWEMA Window: Tackling today`s top challenges

    On September 24, 2013, the Water and Wastewater Equipment Manufacturers Association (WWEMA) held its annual President’s Council at the Chicago O’Hare International Airport. This is an informative one-day event where top executives of WWEMA-member companies get together to share and discuss industry trends, national and international economic news, and upcoming regulatory issues. This ...


    By Smith & Loveless Inc.

  • 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

  • Case study - Washington Suburban Sanitary Commission

    After WSSC began experiencing major PCCP failures in the 1970s, it developed a strong commitment to infrastructure management technology in favor of large capital replacements. Beginning in 2007, WSSC and Pure Technologies began a partnership to create a comprehensive PCCP management program. The Washington Suburban Sanitary Commission (WSSC) is the 8th largest water and wastewater utility in ...

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