GEOMEMBRANE ELECTRICAL LEAK LOCATION SURVEYS

LIQUID – WADING SURVEY

LEAK LOCATION SURVEY HAND HELD PROBE

A water depth between six and 36 inches is required. Temporary Survey Grids are established to provide a systematically scan of the geomembrane. While wading in the liquid the ASW technician will use a Leak Location handheld probe. The ASW technician will introduce a DC constant potential gradient between the liquid above the geomembrane and the leaked liquid or sub grade below the geomembrane.
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