underground utility 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

  • Scanning proposed borehole locations for Utilities case study

    Environmental and engineering firms often are tasked with performing soil borings for monitor well installation as part of a Phase II Environmental Site Assessment. This task becomes more challenging when the borings are to be installed in gasoline stations, right of ways or other areas where there are numerous underground utilities that are either unmarked or not properly located. GeoView can ...


    By GeoView, Inc.

  • Utility Locating and Mapping at a Power plant case study

    An expansion was planned at a power plant in west central Florida. As part of the design build plan, all of the utilities within the proposed building footprint had to be located and mapped. There were two phases of the investigation. Utility designation was the first phase. This involved studying existing as-builts, performing site walkthroughs with plant personnel in order to ascertain a ...


    By GeoView, Inc.

  • 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.

  • 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

  • Non-Revenue Water – A Growing Issue for Water Utilities

    Each day, billions of gallons of water are lost worldwide to various factors, including leaks, water main failures, theft and metering inaccuracies. Not only does this represent the waste of a precious resource that many people do not have reliable access to, it also represents a massive amount of lost revenue for the utilities that provide water services. In developed nations, ...


    By Pure Technologies

  • Utilizing unconventional water sources for industrial reuse

    Reclamation and reuse of unconventional wastewater sources for plant raw water, cooling water and process pre-treatment has increased substantially due to increases in the cost of drinking water, recurring water shortages that can impact business operations, and tightening government regulation. Water is required in almost every industrial sector for the processing and manufacture of products. ...


    By WesTech Engineering, 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

  • Biodegradation of MTBE Utilizing A Magnesium Peroxide Compound: A Case Study.

    ABSTRACT: A patented magnesium peroxide compound was recently employed at an underground storage tank facility to increase the available oxygen in the groundwater for the biodegradation of fuel hydrocarbons. The objective of this remedial effort was to substantially reduce the dissolved-phase concentrations of BTEX and MTBE and to arrest further migration of the dissolved fuel hydrocarbon plume. ...


    By REGENESIS

  • 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

  • Case Study - Pipeline Subsidence

    Looking for sinkholes Pyramid Environmental recently performed a geophysical investigation for the National Park Service at Carlsbad Caverns National Park in Carlsbad, NM. The survey used electrical resistivity mapping (ER) to look for potential underground caves or caverns near an area designated for the construction of an underground utility line. A 2D resistivity survey ...


    By Advanced Geosciences, Inc.

  • An Impulse Generator for The Ground penetrating radar

    Abstract In last time ground penetrating radars (GPR) are widely used for search and analysis of varied underground objects of natural and artificial origins. Caves and cavities can also be found and investigated with the GPR's aid. Impulse generator is the key unit, which determine GPR's parameters: depth of penetrating, accuracy et al. Serial power drift diodes are used for ...


    By Transient Technologies LLC

  • Another Sewer from Hell - The City of Richmond, British Columbia, Canada Experience

    ABSTRACTThe City of Richmond has a population of approximately 180,000 and is located on a flood plain at approximately sea level. These physical attributes present numerous challenges with underground utility design, including sanitary sewers. On January 21, 2005 the City declared a local state of emergency near the intersection of No. 3 Road at Cook Road due to the development of a large ...

  • Potential-Field Methods

    Magnetic Surveys Designed and performed a total-field magnetometer survey of a 26-acre wood-waste landfill in Omak, Washington. This magnetic survey was designed to detect buried metallic debris to a depth of 12 feet and was augmented by an EM-34 soil conductivity (soil mapping) survey. Total Field Magnetic Survey - Omak, WashingtonDesigned and performed (utilizing a ...


    By ECA Geophysics

  • The future evolution of IT in water infrastructure management

    The water industry has been slow to take advantage of information technology (IT), but it is catching up quickly. In many parts of the world, water managers now depend entirely on IT to manage their water supply and wastewater services. IT has become a core part of the business. Computing environments have evolved from individual mainframe computers, through networks based on mini-computers, to ...


    By Innovyze

  • 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

  • Working on a level playing field

    Ride-On Tractor With Independent Suspension, Steel Tracks Give Utility Contractor Edge Everyone has heard the phrase “competing on a level playing field” in reference to athletics. Well, working on a level playing field, or shall we say jobsite, is just as important in the utility construction market. And sometimes contractors can achieve this even when a jobsiteʼs ...


    By Vermeer

  • A first person account of mine longwall dewatering solutions

    When mining companies in Alabama have problems, they look to Jim House & Associates (JH&A) for solutions. Such was the case when a large mining company needed to keep water off of the longwall face underground and they looked toward Jim House & Associates to provide them with a solution. JH&A has been in business since 1957 and is a premier ...


    By Cornell Pump Company

  • Major Urban City Projected To Save $77 Million Over Next Decade From Valve And Hydrant Asset Assessment Program

    For large urban cities, one of the quickest ways to realize an investment return from their network of underground assets is to inventory the water distribution system and assess the overall condition of valves and fire hydrants. This progressive major southeast U.S. ...


    By Pure Technologies

  • Turning Carbon Emissions Into A Revenue Stream

    On the heels of the EPA’s new carbon rules proposed by President Obama on June 2, I wanted to take a closer look at a potential disruptive technological breakthrough: taking CO2 waste streams and turning them into saleable, value-added feedstocks. Certainly, the deployment of renewables, energy efficiency, smart grid, and energy storage technologies offer some of the most cost-effective ...


    By GLOBE Foundation

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