mechanical well rehabilitation Articles

  • Rehabilitation of Hydrogen Grooving in Sulfuric Acid Line

    Around October 2001, one of the major petrochemical refineries located on the Texas Louisiana Gulf coast needed to rehabilitate 6' and 8” diameter “fresh acid” (98% sulfuric acid) lines. Such lines tend to suffer from internal gouging due to formation of hydrogen gas in voids, which are caused by turbulence at directional changes in the pipe flow such as elbows, etc. This is a natural event, ...


    By InduMar Products, Inc.

  • ECSMGE CONFERENCE 2015: Managing the Clogging of Groundwater Wells

    This is the poster or summary of a paper being presented at the XVI ECSMGE  - European Conference on Soil Mechanics & Geotechnical Engineering - in Edinburgh from 13th to 17th September 2015. Groundwater wells are common to many civil engineering projects and their operational performance can play a crucial role. The wells may be part of a construction dewatering system, ...


    By Geoquip Water Solutions

  • Company Introduces New Pipe Repair Products

    InduMar Products, Inc., based in Houston Texas, celebrates twenty years of providing pipe repair and rehabilitation solutions to their industrial and marine customers. Well known for their versatile STOP IT® Pipe Repair System the Company also takes pride in offering custom solutions for many pipe leak, reinforcement and corrosion problems. The combination of sealant development and ...


    By InduMar Products, 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

  • 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

  • Keep it Fresh or Salty - An introductory guide to financing wetland carbon programs and projects

    Wetlands have been the focus of conservation and restoration efforts for over a century. A diverse portfolio of financing sources has been used for supporting such activities including philanthropy, multi- and bilateral aid, in-country governmental funding, tourismrelated and other usage fees, as well as fees and levies associated with wetlands-centric extractive industries (e.g. peat ...


    By Wetlands International

  • FEMP Publishes Aspinall Courthouse - Case Study

    The Federal Energy Management Program (FEMP) announces the publication of Aspinall Courthouse: GSA’s Historic Preservation and Net-Zero Renovation. This case study documents the effort of the U.S. General Services ...


    By US Department of Energy

  • Bringing Life To The Dead – How Halifax Water Unlocked The Value Of Valve Inoperability

    Wachs Water Services recently gave the Canadian municipal water sector an impressive demonstration of how their unique approach, field experience and mechanical advantage could coax non-functioning valves back to operational life. Halifax Water recently found itself in a jubilant mood after freeing up a significant amount of dollars originally earmarked for valve replacement within its ...


    By Pure Technologies

  • Loss and Damage: Elements for Successful Negotiations at COP 19 in Warsaw

    Imagine you inherit a one-of-a-kind china vase from your great-grandmother. It’s a priceless family treasure, and there’s none other like it in the world. You take your responsibility for this heirloom very seriously by building a protective display case for it in your home. You also install burglar and fire alarms, and take out an expensive insurance policy that will pay you $10 ...

  • Delivering an Enhanced Sewer Condition Prioritization Process

    SCREAM™ is a sewer and manhole condition assessment tool developed by CH2MHill. It has been built into Wallingford Software’s InfoNet asset management solution as one of the standard choices for sewer and manhole condition grading. There is emphasis across the collections systems industry worldwide for sewer condition prioritization methods and manhole condition ranking. Although currently the UK ...


    By Innovyze

  • Peatlands: hotspots for emissions reductions

    Peatlands play a critical role in climate regulation, storing twice as much carbon as the entire world’s forest biomass and emitting large amounts of carbon when drained. Peat carbon stocks are distributed worldwide. The mitigation potential is very significant, but possible future possible emissions as well if no rapid action is taken to protect and restore them. The UNFCCC provides ...


    By Wetlands International

  • InfoNet: Properties and Customers Affected by a Mains Repair

    Wallingford Software’s asset and database management solution, InfoNet, has multiple uses within a water company. This new series of articles examines practical uses for InfoNet within a utility, highlighting the processes that can be optimized. One key use for InfoNet within water distribution companies is as a tool to assist in planning mains rehabilitation work. As the utility can determine ...


    By Innovyze

  • Faecal sludge management - Malaysia Philippines

    1. Overview and key points Malaysia has been recognised to have adopted a good sanitation model through the use legislative reforms and implementation models. A firm set of guidelines along with clear knowledge on the role played by every stakeholder, especially that of developers whose responsibility it is to construct their own wastewater treatment, enabled an increase in sanitation coverage ...


    By IWA Publishing

  • Position on Decision ‐/CP.20 Lima call for climate action and its Annex on elements for a draft negotiating text

    About one quarter of all human induced emissions come from agriculture, forestry and other land use (AFOLU). A disproportional large part of these AFOLU emissions come from organic soils (peatlands) drained for agriculture, grazing, forestry or mining. This briefing provides recommendations to ensure that a new climate agreement provides strong incentives to reduce emissions from drained ...


    By Wetlands International

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

  • Sustainable food production: Facts and Figures

    Farming must feed more people more sustainably. Zareen Bharucha looks at scientific approaches past and present. Advances in agricultural science and technology (S&T) have contributed to remarkable increases in ...


    By SciDev.Net

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