liner rehabilitation Articles

  • 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, ...

  • 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

  • Rehabilitation of a Large Semi-Elliptical Sewer

    ABSTRACTThe Sanitation Districts of Los Angeles County (Districts) own, operate, and maintain a wastewater treatment and collection system that includes approximately 1300 miles of sanitary sewers ranging from 6 to 144 inches in diameter. A portion of the Districts’ Joint Outfall “A” Trunk Sewer was constructed of cast-in-place reinforced concrete having a semi-elliptical cross section and ...

  • 2000 IFAI award mud lake dam liner cover, Gardnerville, Nevada

    Situated at the base of the United States' picturesque Sierra Nevada range, the reser-voir at Mud Lake Dam, Gardnerville, Nev., was built using horse-drawn scrapers and steam shovels more than 100 years ago as an earthen dam. No longer meeting the safety standards established by the Dam Safety agency of the State of Nevada, re-habilitation was deemed necessary, A cost-effective alternative to the ...


    By Presto Geosystems

  • Innovative research program on the renewal of aging water infrastructure systems

    The needs associated with the aging water infrastructure are immense and have been estimated at more than $1 trillion over the next 20 years for water and wastewater utilities. To meet this growing need, utilities require the use of innovative technologies and procedures for managing their systems. To help meet their needs, the U.S. Environmental Protection Agency initiated a research ...


    By IWA Publishing

  • Relining with corrugated steel pipe, Mississauga, ON

    Owner: Ministry of Transportation, Ontario Consultant: Morrison Hershfield Contractor: Underground Services Limited Location: Mississauga, Ontario With over 320,000 vehicles per day the intersection of Highways 401, 403 and 410 in Mississauga, Ontario, is one of the busiest in North America. At the same location can be ...


    By Armtec

  • Radius Systems’ bespoke engineered PE Systems bring cost savings and environmental benefits to water customers

    Radius Systems are currently supplying innovative pipeline solutions for two large diameter water projects: a new hydro electricity scheme in Gerlan, North Wales and the rehabilitation of a large diameter pipeline in the Severn Trent Water area. Working together with the Derwent Hydro project team to develop an optimised system for the new hydro electricity pipeline in Gerlan, Radius Systems are ...


    By Water Active Ltd

  • The Langer Connection

    The call came from a Kennedy township homeowner that the smell of raw sewage was in the air and they were tired of the smell. Dave Gasparovich went out and started walking the very hilly area (15% grade or more) in search of the culprit. What he found was incredible, incredibly bad. The 12 manholes he discovered in the woods had been installed in the late 70’s and were connected with clay pipe. ...


    By A-Lok Products, Inc.

  • Urban Stream Restoration: Standing Up to the Toughest Weather Conditions

    Project In 2008, the City of Altanta faced a large problem: the single-lane road that provides the only entry point to its SWAT team training center was likely to be lost completely to erosion. Although the road had been lined with concrete barriers as a stop-gap measure, it was clear that more substantial action was required to save it. Because the road is situated on a narrow ...


    By Thrace Plastics Pack S.A.

  • Ultimate Linings Best| Industrial Coatings| Protective Coatings

    Industrial coatings are generally used to diminish the effects of corrosion thus preventing the metal from being tarnished or damaged. Industrial protective coating enhances the finesse of the metal or material which in turn improves the quality. The ...


    By Ultimate Linings

  • Multi-sensor inspection robot shows benefits of pipe penetrating radar - Case Study

    Pipe penetrating radar (PPR), the in-pipe application of ground penetrating radar (GPR) is one of the most promising quantitative pipe condition assessment technologies to emerge in recent years. With most of the underground pipe infrastructure reaching the end of their design life there is a need to provide measurable data in order to establish the extent of rehabilitation required or the timing ...


    By SewerVUE

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