underground pipe locating Articles

  • 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

  • Locating pipes and cables case study

    GPR can be used to determine the location and depth of metallic, non-metallic, plastic, concrete and asbestos-concrete utilities, and cables (power, signal, etc.) Locating of  City Utilities The VIY3-300 GPR was used for locating of city utilities (water, gas, sewer, etc.). This profile shows city utilities at a depth of 1.2 and 2.0 meters (wave speed is 130 meters per ...


    By Transient Technologies LLC

  • GPR survey to locate USTs and piping at a retail facility

    PROJECT: GPR survey with confirmatory drilling + soil and water sampling / analysis LOCATION: Spokane, Washington PROJECT DESCRIPTION: Designed and performed a tight-line / saturation Ground Penetrating Radar (GPR) survey of an active retail property, to determine the presence, if any, of buried 1950s-vintage underground storage tanks (USTs). Performed ...


    By ECA Geophysics

  • GPR survey to locate USTs and piping at a retail facility

    PROJECT: GPR survey of a retail facility LOCATION: Spokane, Washington PROJECT DESCRIPTION: Designed and performed a tight-line / saturation Ground Penetrating Radar (GPR) survey of an active retail property, to determine the presence, if any, of buried 1950s-vintage underground storage tanks (USTs). Performed onsite instrument "calibration" with known ...


    By ECA Geophysics

  • GPR survey to locate underground fuel lines and USTs at a closed air force base

    PROJECT: GPR Survey of a closed Air Force base LOCATION: Galena, Alaska PROJECT DESCRIPTION: Designed and performed GPR surveys of 14 areas of concern regarding the possible presence of buried underground fuel storage tanks (USTs), fuel lines, piping and electrical conduit. Performed detailed surveys so as to provide accurate locations to Client for ...


    By ECA Geophysics

  • Underground storage tanks case study

    MacDill Air Force Base A Phase II environmental site assessment was conducted at a military base in the southeastern United States. As part of the ESA, GeoView was contracted to perform the geophysical site assessment. The purpose of the geophysical investigation was to determine the presence and location of any underground storage tanks that may be buried within the boundaries of the ...


    By GeoView, Inc.

  • Upward shield tunneling from deep underground stormwater storage pipes in the central areas

    The Waterworks & Sewerage Bureau of the city of Nagoya is proceeding with flood control projects throughout the city, in consideration of damages the city suffered from the unprecedented volume of rainfall in September 2000. To proceed with these flood control projects smoothly, it was necessary to minimize the influence of the construction on underground facilities such as railroads and ...

  • 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

  • In-pipe monitors turn dreams into reality

    In-pipe monitors turn dreams into reality The quality of tap water has improved enormously in recent decades, but for largely technological reasons, until recently, knowledge of water quality between the treatment works and the tap has been an almost impossible dream for water treatment and distribution network managers. In this article, Jo Cooper, Product Specialist at Intellitect Water, will ...


    By Intellitect Water Ltd

  • 5 Considerations for Choosing Pipe Bursting

    Homeowners who encounter sewer, drain, and water line problems often dread repairs not just because of the expense, but the major disruptions that they expect. Excavation, torn up lawns, and days of going without water are associated with traditional methods of repair. Fortunately, technology has made it possible to assess and fix pipes with minimal disruption by using a technique called pipe ...


    By TRIC Tools Inc.

  • Underground, underwater, under stress: Town of Longboat Key puts SmartBall tool to unusual pipeline condition test

    When much of your critical sewer pipeline lies buried under a bay of shimmering ocean water, the challenges required to assess its condition may seem daunting. That task faced the Town of Longboat Key, an affluent retirement community located on the barrier island of the same name off the west coast of Florida. Sensitive to environmental, health and safety issues, ...


    By Pure Technologies

  • Plastic materials used in one of the world`s most sophisticated laboratories located under two kilometers of rock and solid granite in the Canadian Shield

    When the Sudbury Neutrino Observatory [SNO] approached Fabricated Plastics Limited of Maple, (Toronto) Ontario, Canada, to design, manufacture and install two heavy water storage tanks and specially manufactured piping materials, the request was accompanied by a daunting list of limitations, unusual material , specifications, installation problems, and seemingly impossible engineering ...


    By Fabricated Plastics Limited

  • DN 1200 Vitrified Clay Jacking Pipes with Intermediate Jacking Pit

    The city of Peine in Lower Saxony lies in a sandy heathland between Hanover and Braunschweig. In the “Dungelbecker Bruch” landscape conservation area on the outskirts of the town’s Dungelbeck district the inlet pipes to the wastewater pump station needed to be renewed for hydraulic and construction reasons. Due to space limitations – the entire length of pipeline runs ...


    By STEINZEUG KERAMO N.V.

  • 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

  • DTI installs horizontal remediation wells under busy intersection

    The Issue A retail gasoline station in Tallahassee Florida with leaking underground storage tanks sits atop a local groundwater divide, causing petroleum hydrocarbon plumes to migrate in opposite directions from the site. In one direction, the plume has migrated under a residential neighborhood on downward sloping terrain, and in the opposite direction, the plume has migrated under a ...

  • Monitoring of typical pumps and aerator in a water treatment plant - Case Study

    Equipment, Context: Surface aerator:Vertical equipment, gearbox associated very high cost for wired solution, aggressive environment, very few visual and periodical inspections. Centrifugal pump: Located underground in concrete basement, busy area, pipes and metal structure all around. Effluent pump: Vertical equipment, ...


    By Wi-Care

  • Macomb county emergency repair case study

    Sinkhole Repaired in Michigan Township Clinton Township, like most communities, can provide us with case studies in evolving infrastructure needs. On July 22, 1782, more than a year before the American Revolutionary War ended, the first settlement was founded on the site of present-day Clinton Township, Mich., near the Clinton River. The lower bluff, which is close to the river, ...


    By Hobas Pipe USA

  • Global Site Decommissioning - Case Study

    Challenge: A global oil and gas company required final decommissioning at a former terminal and blending facility that had been idle for almost a decade. The 2.5 acre site, located in South Africa, required the removal of all above and below ground structures, underground utilities, process equipment, buildings, concrete slabs and foundations. The objective of ...


    By Antea Group - USA

  • Feds propose new reg to remove leaking storage tanks from service

    With spills and leaks from storage tank systems that contain petroleum products continuing to pose significant health and environmental risks, the federal Department of the Environment proposed recently a new regulation to reduce the risk of contaminating soil and groundwater. The proposed Storage Tank Systems for Petroleum Products and Allied Petroleum Products Regulations would replace the ...

  • Gas vapor mitigation system utilizing evoh technology as solution to TCE contamination case study

    Project: El Centro Regional Medical Clinic Location: El Centre CA Products: Liquid Boot PLUS Gas Vapor Mitigation System with VI-20™ Geomembrane GeoVent™ Gas Venting System Background: Prior land use was for "El Centra Motors", an automobile dealership and service facility. There was some contamination in the soil ...


    By CETCO

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