Assessing the asset condition according structural and functional criteria is the basis for further maintenance planning activities.
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✓Analyses of system functions of water supply and sanitary sewer systems are done on the basis of hydraulic modelling analyses.
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✓Analyses of structural conditions and condition assessments of sanitary sewer systems are based on TV-inspections.
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✓Analysis of structural conditions of water distribution systems are normally done indirectly on the basis of the failure documentation and water loss performance indicators.
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✓Asset condition data are recorded in a data base and accordingly in a digital network cadaster and are thereby available for further planning.