Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS

SLeakI

Water and contaminants, either from direct infiltration through pervious surfaces or from point contamination sources which are typically from leaks in pipes, may pass through the soil to reach the groundwater.

SLeakI considers leaks from pipes. It is assumed that each leak occurs in a pipe that is bedded in sand in a trench. It is further assumed that a colmation layer will be formed below the leak. This colmation layer serves to limit the rate of flow from the leaks and also removes a high proportion of the microbes. The flow path of water leaking from the pipe will be determined, among other things, by soil texture.

Necessary inputs to SLeakI include soil properties and the flow rate from the leak. The leak data in the AISUWRS study is provided by the NEIMO output (leak volume and contaminant concentration) of each asset in the pipe network. These data are used to estimate the path through each soil layer, and the residence time of water in that layer.

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COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
37 Graham Road
3192 HIGHETT, VICTORIA
Australia
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