high-density polyethylene pipe Articles

  • Time-Temperature Superposition in Mechanical Durability Testing of Polyethylene Geomembranes

    The mechanical durability of polyethylene geomembranes is considered in this technical note. Polyethylene plastic pipe research has shown that there are universal factors for shifting high-temperature failure (short time) data to low temperatures (long time). Data presented here indicate that these same shift factors may also apply to geomembranes. Crack growth rate studies are proposed as a ...


    By ASTM International

  • Greenwood township pipe manufacturer expands

    Greenwood Township - Increased demand - particularly from the oil and gas industry - has resulted in an $8 million expansion at a Crawford County pipe manufacturing plant. Los Angeles-based JM Eagle, a maker of plastic pipe that’s used by the utilities, oil and gas and agricultural industries, Thursday celebrated completion of the project at its Greenwood Township pipe manufacturing ...


    By JM Eagle

  • Organic compounds migrating from plastic pipes into water

    Case studies were carried out to identify potential chemical contaminants migrating to drinking water from polyvinyl chloride (PVC) or polyethylene (PE) pipes, available on the Polish market. Analyses were carried out by gas chromatography (GC) coupled with mass spectrometry (MS). Analysis of organotin compounds in water in contact with PVC pipes from different manufacturers found variability: ...


    By IWA Publishing

  • Impact of weather conditions on pipe failure: a statistical analysis

    The occurrence of pipe failures in drinking water distribution networks may be influenced by weather conditions. In this work, a statistical analysis is performed to study the correlations between weather parameters and pipe failure in the Netherlands with the ultimate aim to predict the effects of climate change on network integrity. Failure data from a Dutch national failure database were ...


    By IWA Publishing

  • Uncertainties of inverse transient modelling with unsteady friction and pipe-wall viscoelasticity

    The current paper aims at the discussion of the uncertainties of hydraulic transient modelling using the classic method of characteristics and incorporating unsteady friction (UF) and pipe-wall viscoelasticity. A two-stage calibration procedure is used for estimating the model parameters: the first stage refers to the calibration of steady state conditions and the second stage to the transient ...


    By IWA Publishing

  • Effects of pipe materials on biofouling under controlled hydrodynamic conditions

    Experiments were carried out to investigate pipe material impacts on biofouling, at high effluent concentration levels and under controlled hydrodynamic conditions. Two velocities (0.4 and 0.8 m s−1) were used to monitor biofilm growth on polyethylene (PE) and polyvinylchloride (PVC) pipe walls, respectively. These conditions were established based on wastewater irrigation practices. A ...


    By IWA Publishing

  • What’s in those new plastic pipes delivering drinking water?

    Lingering questions leave some concerned about a new generation of plumbing material The calls and e-mails arrive as often as several times a week from people with concerns about drinking water. Some of the callers — who include homeowners, architects and builders — want to know why their water smells like gasoline. Others want to know which kinds of pipes to ...


    By Ensia

  • World`s Largest Pipe Contract Awarded to Fabricated Plastics for Expansion of Petrochemical Complex in Texas

    When Fabricated Plastics Limited of Maple, Ont., was given the contract to supply all the piping required for the expansion of a plastics resin plant in southern Texas, it proved to be the largest single pipe contract ever awarded. In terms of variety of pipe and chemical service requirements, it was also one of the most complicated and demanding, with different molded laminates and pipe lining ...


    By Fabricated Plastics Limited

  • Rainstore3 - Issues Related to Resin “Creep”

    For eight months prior to beginning construction of our first Rainstore3 injection mold, we worked closely with Stress Engineering to create the optimum structural design characteristics of the Rainstore3 form, including long term integrity and performance of the selected resins. For the best structural performance, chemical resistance, and lowest production (resulting in lowest market prices), ...


    By Invisible Structures, Inc.

  • Dewatering Crews Keep the Alameda Corridor Dry and Open for Business

    Griffin installed a multitude of deep wells along the alignment of the proposed railway to allow for construction. The discharge from the wells was pumped via large diameter high density polyethylene pipe (HDPE) to a below grade mixing vault, where a neutralizing agent was introduced to the groundwater as the quality of the groundwater was not allowed to discharge to the designated receiving ...


    By Griffin Dewatering

  • JM Eagle weathering the storm

    The United States economy has been in a downward spiral for a number of years, and most business owners are feeling the pinch. Two years ago the JM Eagle plant in Sunnyside was closed down…its future was uncertain. But after months of planning and reconstructing, JM Eagle announced it was installing high density polyethylene pipe (HDPE) production lines at the Sunnyside facility. ...


    By JM Eagle

  • Biofilms and bacteriological water quality in a domestic installation model simulating daily drinking water consumption

    The biofilm formation potential of a drinking water supply system is related to the chemical, microbiological and hydrodynamic characteristics of water, and to the pipe materials in contact with water flow. The goals of this study were: to determine the biofilm dynamics in a model of four drinking water installations, to simulate daily household water consumption; to compare the biofilms ...


    By IWA Publishing

  • Organoclay-filled reactive core mat dnapl remedial barrier proves succesful case study

    Project : Koppers Wood Treatment Facility Location : Guthrie, KY Products : Reactive Core Mat Background: This is a case study of an active wood-treatment plant that has operated in southwestern Kentucky since 1913. Historically, creosote dripped from treated rail cross ties following their removal from a pressure cylinder. ...


    By CETCO

  • Petrochemicals Manufacturing Industry - Pollution Prevention Guidelines

    Introduction Pollution Prevention Guidelines to provide technical advice and guidance to staff and consultants involved in pollution-related projects. The guidelines represent state-of-the-art thinking on how to reduce pollution emissions from the production process. In many cases, the guidelines provide numerical targets for reducing pollution, as well as maximum ...


    By The World Bank

  • LEED-ing Your Stormwater Down the Green Path

    6813The U.S. Green Building Council has developed the Leadership in Energy and Environmental Design, otherwise known as LEED. This program is a national standard for #28;green building#29; design and was developed with the intention of improving occupant well-being, environmental performance and economic returns. This is accomplished by using innovative design practices and technologies. In order ...


    By BaySaver Technologies, Inc.

  • Balancing growth and conservation - Precast concrete manholes become part of the stormwater solution

    When American Fork, Utah, decided to approve construction of a 175-acre commercial center, the city engineers had to consider the environmental effect it would have on a 45-acre wetland right next door. Under the EPA´s Phase II Storm Water Rules, adapted in late 1999, almost any city large enough to require a storm sewer system must balance growth with the environmental impacts of ...


    By BaySaver Technologies, Inc.

  • Bali’s first modern landfill design case study

    Bangli Regional Landfill in Indonesia’s Bali province is located about 60km outside of Denpasar, the provincial capital and home to more than 500,000 residents. The region hosts Ngurah Rai International Airport—the main entry point into Bali—and numerous tourist destinations along Bali’s popular white sands beaches. When the Indonesian central government approved ...


    By NAUE GmbH & Co.KG

  • DuroMaxx Meets Watertight Specifications at Transit Station

    Underground Stormwater Detention allows Sounder Puyallup Station Parking lot expansion Puyallup, Washington - The number of commuters to the Sounder Puyallup, Washington, station exceeded parking capacity and Sound ...

  • Bird netting for warehouses, hangars and large commerical applications

    Pest birds can be both a hazard and an expensive nuisance when they nest and gather in hangars, under overhangs, warehouses and other large covered areas. But thanks to bird netting, many of these problems can be avoided.Clearly the most obvious problem created by pest birds is their droppings. These can quickly clog gutters and down pipes. They can also cause ceilings, rooftop turbine ...


    By Bird-B-Gone, Inc.

  • Composting of petroleum contaminated soil case study

    Soils contaminated with hydrocarbons are generated during oil and gas production. Remediation by land treatment is a popular, inexpensive option however, in cold climates temperature limits the time available for treatment each year. Companies would prefer an economical, low maintenance treatment alternative which could operate throughout the year in cold climates. Environmental BioTechnologies, ...

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