sewer replacement Articles

  • Valuing information for sewer replacement decisions

    Decision-making for sewer asset management is partially based on intuition and often lacks explicit argumentation, hampering decision transparency and reproducibility. This is not to be preferred in light of public accountability and cost-effectiveness. It is unknown to what extent each decision criterion is appreciated by decision-makers. Further insight into this relative importance improves ...


    By IWA Publishing

  • Reasons to choose Trenchless Pipe Bursting Repairing Equipment

    Trenchless technology has altered the industry, revolutionizing sewer pipe repair and gaining the favor of many property owners today. No digging, no re-landscaping, no use of chemicals- the trenchless strategy is far better than the traditional approach. In the developing business sector, pipe repair companies need the most effective equipment to stay competitive. The ...


    By TRIC Tools 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 ...

  • Multifaceted sewer improvements program eliminates sewer connection moratorium and system overflows

    The sewer system serving Borough of Jewett City, Connecticut dates from the late 1800’s and was originally constructed as a combined sewer system with the discharges directed to the area rivers. In the 1970’s, the raw sewage discharges from the Borough system were removed from the rivers and redirected to a newly constructed wastewater treatment facility. However, the overflows from the ...

  • Case study - Muskegon County - Sewer Force Mains

    Service: Sahara Client: Muskegon County Type of Pipeline: Sewer Force Main Diameter: 66-inch Pipe Material: PCCP Length: 8.5 miles 13.7 km In 2007, Muskegon County’s 35-year old large diameter wastewater force main failed catastrophically. Although historical data demonstrated that joint leakage had never contributed to previous events, extensive failure analysis of ...


    By Pure Technologies

  • Adaptation of sewer networks using integrated rehabilitation management

    The urban water structure is aging and in need of rehabilitation. Further, the need to address future challenges (climate change, urban development) also arise lines. This study investigates if it is possible to combine rehabilitation and adaptation measures. To do so, we combined an urban development model, an urban drainage model and a rehabilitation model. A case study of a medium-sized ...


    By IWA Publishing

  • Infrastructure Bypass: Rehabilitating the Nation’s Decaying Sewer Systems

    Billions of dollars in federal aid money has been allocated to rehabilitating our decaying sewer systems, and while these are projects that will be done, there will be associated problems with trying to keep roads and businesses open during this work. Typically, in rehabilitating existing sewer lines, the flow of sewage cannot simply be diverted—it must be “bypassed,” which ...


    By Griffin Dewatering

  • 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

  • Vacuum Sewers – Engineered Solution for a Multitude of Problems

    ABSTRACTThe City of Albuquerque is celebrating its 300th anniversary in the 2006. The city itself has been growing at a very rapid rate, expanding the urban boundaries into the rural countryside. This urban expansion has been most apparent in the river valleys of the Rio Grande, where groundwater is shallow and topography is very flat. As the urbanization of the valley areas north and south of ...

  • Sewer Line Upsize in Perris, CA - Case Study

    Innovative pipebursting approach successfully upsizes old trunk sewer line to serve a new Southern California subdivision Challenge Burst a 350-foot-long trunk line, replacing 10-inch clay pipe with 14-inch SDR-17 polyethylene pipe. Solution We helped Young Homes close escrow on the 95 homes in its Perris, CA ...


    By TRIC Tools Inc.

  • Sewer Siphon Assessment and Air Jumper Design

    ABSTRACTIn response to customer complaints about sewer odor, Orange County Sanitation District (OCSD), California launched a project to investigate the ventilation requirements of existing sewer siphons, to verify adequacy of existing air jumper operation, and determine the need for new air jumpers or additional air jumper capacity. The challenge was assessing sewer siphon air jumper adequacy ...

  • Sewer Level Monitoring System - a case study

    Background - The business of sewage level monitoring in sewers is accelerating across many countries. Strict regulations, the need to avoid environmental disasters, violation fines, early warnings and planning needs are just some of the forces shaping this growing trend.   Challenges Quantifying sewage flow and level is one of the most ...

  • DFW direct bury of storm sewer case study

    Airport Solutions North Texas Contracting has placed the first HOBAS pipe at DFW International Airport in the Dallas/Fort Worth mid-cities. That first installation was a repair to an 84-inch corrugated steel culvert that had failed and created a sink hole approximately 30 feet deep and almost 20 feet in diameter after a series of heavy rains in 2007. North Texas Contracting of Keller, Texas ...


    By Hobas Pipe USA

  • Pipeline infrastructure renewal at Miami-Dade Water & Sewer Department

    Abstract Various governmental, professional and private studies have shown that the replacement costs of underground pipeline infrastructure is excessive and that best practice approaches for infrastructure risk management promote condition assessment programs to understand the actual condition of individual pipe sections in order to best allocate limited capital replacement and ...


    By Pure Technologies

  • Comparison of the inspector and rating protocol uncertainty influence in the condition rating of sewers

    Wastewater drainage systems asset management decisions, in particular regarding rehabilitation interventions, are largely dependent on close-circuit television (CCTV) inspection results. However, the results of CCTV inspections are affected by several sources of uncertainty. Within the present communication, the inspector's uncertainty is quantified by comparing periodic inspection ...


    By IWA Publishing

  • City of Montebello Sewer Master Planning Utilizing Innovative GIS Solutions

    City of Montebello wanted to implement a comprehensive sewer master plan. At the same time they wanted to embark on implementing a GIS program. The solution was to combine the two and utilize the power and versatility of GIS as the core technology for performing the sewer master plan. In this paper we will show how the City accomplished its primary objectives which included: Modernizing its ...

  • How Sewer Bypass Projects Have Changed During the 21st Century

    Over the past 20 years or so, sewer lift stations across Southern California have been working tirelessly to keep up with the ever-increasing demand as more and more housing is being built. Today, the older and smaller neighborhood pump stations that ...


    By Griffin Dewatering

  • BOSS 2000 HDPE Storm Sewer Pipe, Stettler, AB

    Owner: Town of Stettler Installer: Woooden Construction Ltd. Designer: Associated Engineering Alberta Ltd. Location: 57 Street, Stettler, Alberta As part of a sanitary main replacement project, the Town of Stettler was faced with the challenge of replacing an aging storm sewer line under very low cover conditions. ...


    By Armtec

  • Residential Sewer and Drain Pipe Line Repairing by Pipe Bursting Method

    One responsibility a homeowner must accomplish is the regular maintenance and repairs around the house. The scale goes up according to how pressing the problem is. Decisive action must be done for emergency situations, especially when it comes to sewer line emergencies. As soon as you notice the pipes leaking or backing up, you’ll need to immediately have it inspected and repaired. If not, ...


    By TRIC Tools Inc.

  • Alum creek large diameter sewer assessment case study

    The Challenge The City of Columbus, like many municipalities, must make hard decisions on where to spend their limited capital improvement dollars. In tight economic conditions, a municipality’s decision to monitor, rehabilitate, or replace their assets is not cut and dry. Deferred maintenance of non-critical assets in one department may give other departments the monetary resources ...


    By Chester Engineers

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