LeakLocationSurveyServices
By: Shawn Struckhoff, Project Engineer
WeaverConsultantsGroupShawn Struckhoff, Project Engineer
• Employed at Weaver Consultant Group since 2016
• Collinsville, IL Office• North Central Solid Waste Practice Group
- Solid Waste Engineering Design Services
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LeakLocationSurveyServices
• Leak Location Survey is a means used for locating potential leak paths in installed geomembranes using electrical methods
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VariousMethods
• Soil or water covered geomembrane - Dipole
• Bare geomembrane- Water puddle, water lance- Conductive geomembrane spark testing- Ark testing
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UsefulApplicationAreas
• Landfill Expansions• Lined Tanks• Wastewater Lagoons• Leachate Ponds• Reservoirs• Power Plant Holding Ponds• Landfill Caps• Mining• Agricultural• Almost any system with an
isolating geomembrane
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HowLeakLocationWorks
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• Calibration
• Sensitivity
• Technology
• Initial Set Up
Water Puddle Method
Soil Covered Method
HowLeakLocationWorks
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Soil Covered Method
Arc Testing MethodSpark Testing Method
Solmax S-100 Spark TesterImage Source: Solmax, https://www.solmax.com/en/products/leak-location-suite/solmax-s-100-spark-tester
VoltageMapping
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• What to expect when approaching a hole?
BoundaryConditions
• Conductive medium above geomembrane (or exposed)
• Conductive medium in holes through geomembrane
• Conductive medium below geomembrane
• Medium above geomembrane not in contact with medium below geomembrane (except through leaks)
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CaseStudies– LandfillCell
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CaseStudies– HoldingPond
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DairyCattleFarm
CaseStudies- Lagoon
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WastewaterTreatmentPlant