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