Environmental Management Videos
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PremiumGPR (Ground Penetrating Radar) for Utility Locating Webinar Replay - Video
In this live streaming webcast, LearnGPR will review the basics of Ground Penetrating Radar, compare GPR to other locating equipment, and answer questions about using GPR for utility locating. LearnGPR is supporting World Trenchless Day with this live event. Visit LearnGPR.com and sign up to receive free training videos every Monday in your inbox. LearnGPR.com is an online training platform for ...
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Best Practices in GPR: Interview with Shawn Patch - Video
In this video I interview Shawn Patch and Sarah Lowry from New South Associates about GPR survey, working with government agencies on geophysics projects, managing customer expectations, and common mistakes to be aware of. LearnGPR.com is an online training platform for Ground Penetrating Radar that helps civil engineers, utility locators, and others learn about GPR through fun and engaging ...
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Multiple Methods and Best Practices in GPR- An Interview with Brian Jones from GSSI - Video
Pre-order our new book Ground Penetrating Radar: A Practical Guide For GPR Users at http://learngpr.com/books. In today's GPR Hot Seat is Brian Jones from GSSI, a manufacturer of ground penetrating radar systems and other geophysical instrumentation. We discuss two recent articles written by Brian. In the first article, he summarizes the benefits of using multiple sensors for conducting ...
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How Does Ground Penetrating Radar (GPR) Distinguish Between Rebar and Voids In Concrete? - Video
In this video I discuss the importance of color schemes and response polarity for distinguishing between rebar and voids embedded in concrete during ground penetrating radar survey. The polarity of the reflection can tell the surveyor so much about what is below the surface. Understanding this concept can help your interpret the subsurface with much greater accuracy. LearnGPR.com is the ...
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A Comparison of Ground Penetrating Radar and EM Locators for Utility Mapping - Video
Will ground penetrating radar (GPR) make EM locators obsolete? In this video I compare these two technologies to see the strengths and weaknesses of each for utility mapping. AND YES...I KNOW...MY HEAD IS HALF CUT OFF!! Thanks for watching anyway :) LearnGPR.com is an online training platform for Ground Penetrating Radar that helps civil engineers, utility locators, and others learn about GPR ...
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Increasing Excavator Safety using EM and GPR: Interview with Mike Parilac from Staking U - Video
In this edition of the GPR Hot Seat we will talk with Mike Parilac from Staking U about increasing excavator safety using EM and GPR. How are these technologies being used on job sites? What are the struggles that owners have in training new technicians? How can these be overcome? What will the relationships be between excavators and private locate contractors in the future? LearnGPR.com is an ...
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How to Show All of Your GPR Responses in A Single Image - Ground Penetrating Radar for Concrete - Video
Sometimes when working with gpr data we have responses from different features at different depths that dont show on all of the time slices. It can be tough to convey this information to a customer or even make acceptable interpretations. One way to overcome this is with an overlay function in gpr slice software In this video I show and compare traditional slicing with overlay analysis using data ...
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Past, Present, and Future of GPR: An Interview with Greg Johnston from Sensors and Software - Video
In this interview with Greg Johnston from Sensors and Software, we discuss the history of ground penetrating radar (GPR), its current state of use in various industries, and what the future holds for GPR practitioners. LearnGPR.com is an online training platform for Ground Penetrating Radar that helps civil engineers, utility locators, and others learn about GPR through fun and engaging courses ...
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GPR Hotseat Episode 5: Mike Twohig SUM or SUE? History and Future of Subsurface Utility Mapping - Video
In this interview Mike Twohig from DGT Associates breaks down the history of subsurface utility mapping, talks about bad practice, who should be responsible, and the future of total asset documentation. He reviews 3D deliverables created from many field tools from several ongoing projects. If you use GPR and didn't know how this worked, then you should get further training. Check out our upcoming ...
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Leica DS2000 Quick Start Guide - Ground Penetrating Radar - Subsurface Utility Locating and Mapping - Video
The Leica DS2000 is a dual-frequency ground penetrating radar systems is designed for subsurface utility locating and other non-destructive geophysical applications. The 700 MHz and 250 MHz antennas help the user be more efficient and the easy to use software assists new users and allows for easy interpretation, mapping, and reporting. If you use GPR and didn't know how this worked, then you ...
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Using Geonics EM38b Conductivity Meter to Locate & Map Subsurface Pipes & Utilities - ASCE 38-22 - Video
In this video we show some basics of using electromagnetic induction (conductivity) to locate underground pipes and utilities. This tool is easy to deploy and has the possibility of identifying pipes, utilities, USTs, voids, and other subsurface objects. It is an important instrument that everyone conducting subsurface utility locates, geophysical investigations, archaeology and forensics, or ...
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How To Be A Better Ground Penetrating Radar (GPR) Professional - Video
Here is your GPR homework assignment... Find an article about GPR that is UNRELATED to your industry! This has tremendous value for you as a practitioner. Even if you work in -utility locating exclusively, -or concrete scanning exclusively, -or archaeology exclusively, -or civil engineering exclusively, reading material from other disciplines helps you learn the skills that you need to compete at ...
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Can GPR Concrete Scanning Determine Rebar Diameter? - Video
Most concrete scanners in the civil engineering and construction industries use GPR to locate reinforcements or conduits embedded in concrete. However, this mapping technique is capable of gathering so much more information about this infrastructure. In this video I review two methods that can be used to evaluate rebar diameter. This is an important application for structural engineering purposes ...
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How to Write A GPR Report - Ground Penetrating Radar - Video
What are the necessities in a GPR Report? What sections should you have in there? Every GPR report needs 5 sections. More are acceptable, but the following 5 are required! The layout I will share are for one purpose...to show the customer or funding institution that the work was completed in a way that satisfies the scope of work or research questions. The information in the report will be useful ...
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What to do When Surveying On Rocky Ground With GPR - Video
I was recently on a survey in Mexico mapping ancient Maya architecture with ground penetrating radar. The ground was littered with rocks making it difficult to maintain contact between the GPR and the ground. One way to help overcome this issue is by using a survey wheel instead of a cart. The survey wheel allows the surveyor to maintain more control. If you are working in an area with a lot of ...
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Can Ground Penetrating Radar (GPR) Locate A Pipe Leak? - Part 2 - Video
In this video I discuss the possibility of using ground penetrating radar (GPR) to detect a leak in a water or sewer pipe. The approach I outline here makes use of GPR's ability to view the subsurface in 3D and reflect off of water saturation boundaries. Here in PART 2, I show how to use time-slices (or 3D visualization) to not only identify the leak location, but the direction of the leak plume. ...
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Collecting Grids Using GPR - 1 or 2 Directions? (Ground Penetrating Radar) - Video
Which direction should I collect my GPR transects in? Parallel to the sidewalk? Perpendicular? Both directions? Does it matter? These are questions I get asked all the time. The answer to the last one is...YES...it does matter! It primarily matters depending on what you are searching for or mapping. If you are looking for small isolated targets, you can get away with only collecting data in one ...
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Proceq GS8000 Quickstart Guide - Video
In this video we go over the Proceq GS8000 SFCW ground penetrating radar used to map the subsurface. This is a great tool with a very wide range of frequencies and allows both the use indoor and outdoor because of the dual antenna arrangement. The system gives the user the ability to conduct extensive realtime processing, interpretations, and more. Let us know if you have any questions, need a ...
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Sensors & Software LMX Ground Penetrating Radar Quickstart Guide - GPR - Utility Locating Geophysics - Video
In this video we provide an overview of the LMX systems (relevant for LMX 100, 150, and 200). This unit is easy to use, lightweight, and rugged. It can be used for utility locating, archaeology, forensic investigation, civil engineering, geology and geotechnical engineering, etc. We cover set up, line scans, basic processing, interpretations, and grid scans. If you use GPR and didn't know how ...
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Finding the Minimum Possible Depth of a Target Using GPR (Ground Penetrating Radar) - Video
How do you estimate depth of your GPR targets? How do you present depths to your customers? Do you present depths the same way in homogeneous soils as in heterogeneous soils? In this video I present the concept of Minimum Possible Depth (MPD) to help you cautiously and accurately present depth estimates to customers. Using this concept will help you explain the complexities of subsurfaces and GPR ...
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