GPR survey Articles

  • GPR survey to delineate abandoned trenches at an unpermitted disposal site

    PROJECT: GPR survey with confirmatory excavations at contaminated farmland LOCATION: Grandview, Washington PROJECT DESCRIPTION: Performed a saturation GPR survey of farmland (suspected of having illegally buried drums of herbicides and pesticides) to identify / locate the edges of trenches. Recommended excavation locations that enabled client to obtain evidence for subsequent legal actions. ...


    By ECA Geophysics

  • GPR survey to locate ReBar and conduit within a telecommunications center

    PROJECT: GPR Survey of AT&T Building LOCATION: Yakima, Washington PROJECT DESCRIPTION: Designed and performed a Hi-Res (1.6 GB antenna) GPR survey of a concrete floor to locate and identify embedded rebar and conduit. Performed detailed survey that enabled the safe cutting of floor for follow-up construction ...


    By ECA Geophysics

  • GPR survey to identify cultural and archaeological features

    PROJECT: GPR survey with confirmatory digging LOCATION: Olmstead State Park, Washington PROJECT DESCRIPTION: Performed a reconnaissance GPR survey of an historical homestead, to identify / locate prospective locations of historical privies, wells and debris middens. Recommended digging locations within an area that was tantamount to finding a "needle within a haystack". Digging confirmed better ...


    By ECA Geophysics

  • GPR survey to locate USTs and piping for hanford area facilities

    PROJECT: GPR survey of Hanford Area facilities, on behalf of the Port of Benton LOCATION: Richland, Washington PROJECT DESCRIPTION: Designed and performed a GPR survey of industrial sites, to determine the presence of buried USTs, piping and electrical conduit. Performed onsite instrument "calibration" with known onsite buried features, to establish reliable depth ...


    By ECA Geophysics

  • GPR survey to locate USTs and piping for hanford area sites

    PROJECT: GPR survey of Hanford Area sites, on behalf of Mission Support Alliance (MSA) LOCATION: Hanford Nuclear Reservation, Washington PROJECT DESCRIPTION: Designed and performed GPR surveys of the 200 Area, traffic corridors along Routes 3 and 4 and the Waste Sampling and Characterization Facility (WSCF). Performed instrument calibrations with known onsite buried features, to establish ...


    By ECA Geophysics

  • GPR survey to delineate edges of USTs at a gas station

    PROJECT: GPR survey with confirmatory drilling LOCATION: Moyie Springs, Idaho PROJECT DESCRIPTION: Performed a saturation GPR survey of an active gas station, to identify / locate the edges and ends of three inactive closed-in-place USTs. Performed onsite instrument "calibration" with active UST, to establish reliable depth estimates. Recommended desired drilling locations (within 2-3 feet of ...


    By ECA Geophysics

  • GPR survey to locate underground fuel lines and USTs at vacant retail buildings

    PROJECT: GPR Survey of vacant retail buildings and surrounding property LOCATION: Cheyenne, Wyoming PROJECT DESCRIPTION: Performed GPR surveys of two vacant retail buildings, to enable a subsequent safe drilling program within the survey areas. Surveys identified buried electrical conduit and a drainage line but confirmed the absence of underground fuel storage tanks (USTs), 55-gallon drums and ...


    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 subsequent environmental drilling and sampling ...


    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 onsite buried features, to establish ...


    By ECA Geophysics

  • Integrated Geophysics: GPR and metal detection surveys at a retail facility

    PROJECT: GPR and EMI surveys at an active Safeway grocery store parking lot LOCATION: Rapid City, South Dakota PROJECT DESCRIPTION: Designed and performed a GPR survey in tandem with an EM-61 metal detection survey of a parking lot for a Safeway store in Rapid City, South Dakota. Surveys were designed to detect buried metallic and non-metallic drums and piping apparently left from a previous gas ...


    By ECA Geophysics

  • Ground Penetrating Radar Survey in Podil`lya Karst Area (Ternopil Region, Ukraine)

    Abstract - The paper describes ground penetrating radar (GPR) survey in karst area of PodilTya in Ternopil region, Ukraine that was fulfilled during 2005 year. The GPR examination was made in Ulashkovska and Mlynky caves. The GPR was applied in Ozernaya cave for unknown cavities location. Owing to the GPR survey new gallery was discovered. The research demonstrates an efficiency of the GPR ...


    By Transient Technologies LLC

  • Integrated Geophysics: GPR and EMI surveys at an air force base

    PROJECT: GPR and EMI surveys at closed metallic waste disposal sites LOCATION: Hill Air Force Base Annex near Ogden, Utah PROJECT DESCRIPTION: Designed and performed a GPR survey in tandem with an EM-31 terrain conductivity survey regarding two suspected Mg/Th aeronautical debris dump sites at an Air Force base in Utah. Survey was designed to detect buried non-ferrous metallic debris. The ...


    By ECA Geophysics

  • Integrated Geophysics: GPR and EMI surveys at an air force site in the Mojave desert

    PROJECT: GPR and EMI surveys at closed waste disposal sites LOCATION: Cuddeback Air-to-Ground Gunnery Range in the Mojave Desert near Ridgecrest, California PROJECT DESCRIPTION: Designed and performed a GPR survey in tandem with an EM-31 terrain conductivity survey of nine closed landfilling areas at an abandoned Air Force gunnery range located in the Mojave Desert of California and just east of ...


    By ECA Geophysics

  • Using GPR to map rebar and post tension cables case study

    Building Renovation - Boston, MA Our client was tasked to install new plumbing lines as part of a building renovation. This task involved drilling cores through each floor of the building. Geoview was contracted to locate the rebar and post tension cables to determine safe coring locations. The geophysical investigation was conducted using Mala and GSSI Structure Scan ground penetrating radar ...


    By GeoView, Inc.

  • 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 onsite instrument "calibration" with known ...


    By ECA Geophysics

  • Chlorinated solvents

    The initial PSG survey identified TCE source areas that did not agree with the GPR survey findings. Based on these results, a subsequent PSG survey was performed to further characterize the site and better define the source areas identified in the initial survey. Analytical results were provided to the client within four (4) days of receipt of samples at the laboratory for both surveys. The ...

  • Network level GPR surveys in FYR Macedonia 2017 - Case Study

    Roadscanners, in joint venture with IGEA Ltd. (Slovenia) and Cestel Ltd. (Slovenia), provided RAMS software, road measurements and consultancy services for Public Enterprise for State Roads (PESR) in Macedonia. Roadscanners surveyed the whole main road network of Macedonia with Road Doctor Survey Van, producing pavement and structure thickness surveys and determining homogenous sections of road ...


    By Roadscanners Oy

  • Mapping of Potential void features using ground penetrating radar case study

    Mayo Clinic - Jacksonville, Florida GeoView conducted a ground penetrating radar (GPR) study in 2009 at the Mayo Clinic in Jacksonville, Florida. The GPR study was designed to locate anomalous features potentially associated with shallow voids between a recently installed terrazzo floor and the underlying concrete. The GPR data was collected with a GSSI SIR 3000 using a 2600 Megahertz antenna. ...


    By GeoView, Inc.

  • An Inertial Measurement Unit Application for a GPR Tracking and Positioning

    Abstract Abilities of an inertial measurement unit (IMU) for ground penetrating radar (GPR) tracking and positioning are presented at this paper. The IMU operation principle is based on calculating of the device's orientation in space via measurement of linear accelerations and angular velocities. Features of the IMU, GPS and wheel odometer are compared. Principal scheme of the IMU consisted of ...


    By Transient Technologies LLC

  • Choosing the correct Data Acquisition step for GPR

    efore GPR surveying we have to set step of acquisition in Synchro program settings: We got different GPR profiles with different values of Step of acquisition. See the results below: Pipe3.sgpr GPR profile: Step of acquisition is 26,03 mm. Initial proportionality: one pixel is equal to one sample Pipe2.sgpr GPR profile: Step of acquisition is 156,18 mm. Initial proportionality: one ...


    By Transient Technologies LLC

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