Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationService.cs
===================================================================
diff -u -r5970323ae0d3f533fb24c3c1c954ef56d4650df8 -rdb7f2bf37c50bd886b9effa47c71de47b3849529
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationService.cs	(.../PipingCalculationService.cs)	(revision 5970323ae0d3f533fb24c3c1c954ef56d4650df8)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationService.cs	(.../PipingCalculationService.cs)	(revision db7f2bf37c50bd886b9effa47c71de47b3849529)
@@ -159,7 +159,7 @@
             {
                 validationResults.AddRange(ValidateAssessmentLevel(inputParameters, calculatedAssessmentLevel));
 
-                RoundedDouble piezometricHeadExit = DerivedPipingInput.GetPiezometricHeadExit(inputParameters, GetAssessmentLevel(inputParameters, calculatedAssessmentLevel));
+                RoundedDouble piezometricHeadExit = DerivedPipingInput.GetPiezometricHeadExit(inputParameters, GetEffectiveAssessmentLevel(inputParameters, calculatedAssessmentLevel));
                 if (double.IsNaN(piezometricHeadExit) || double.IsInfinity(piezometricHeadExit))
                 {
                     validationResults.Add(Resources.PipingCalculationService_ValidateInput_Cannot_determine_PiezometricHeadExit);
@@ -367,7 +367,7 @@
                     SaturatedVolumicWeightOfCoverageLayer = PipingSemiProbabilisticDesignVariableFactory.GetSaturatedVolumicWeightOfCoverageLayer(inputParameters).GetDesignValue(),
                     UpliftModelFactor = inputParameters.UpliftModelFactor,
                     AssessmentLevel = inputParameters.AssessmentLevel,
-                    PiezometricHeadExit = DerivedPipingInput.GetPiezometricHeadExit(inputParameters, GetAssessmentLevel(inputParameters, calculatedAssessmentLevel)),
+                    PiezometricHeadExit = DerivedPipingInput.GetPiezometricHeadExit(inputParameters, GetEffectiveAssessmentLevel(inputParameters, calculatedAssessmentLevel)),
                     DampingFactorExit = PipingSemiProbabilisticDesignVariableFactory.GetDampingFactorExit(inputParameters).GetDesignValue(),
                     PhreaticLevelExit = PipingSemiProbabilisticDesignVariableFactory.GetPhreaticLevelExit(inputParameters).GetDesignValue(),
                     CriticalHeaveGradient = inputParameters.CriticalHeaveGradient,
@@ -391,7 +391,7 @@
                 });
         }
 
-        private static RoundedDouble GetAssessmentLevel(PipingInput input, RoundedDouble calculatedAssessmentLevel)
+        private static RoundedDouble GetEffectiveAssessmentLevel(PipingInput input, RoundedDouble calculatedAssessmentLevel)
         {
             return input.UseAssessmentLevelManualInput
                        ? input.AssessmentLevel