Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamPipingBligh/DamPipingBlighKernelWrapper.cs
===================================================================
diff -u -r1052 -r1070
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamPipingBligh/DamPipingBlighKernelWrapper.cs	(.../DamPipingBlighKernelWrapper.cs)	(revision 1052)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamPipingBligh/DamPipingBlighKernelWrapper.cs	(.../DamPipingBlighKernelWrapper.cs)	(revision 1070)
@@ -84,6 +84,7 @@
 
         private static void EvaluateUpliftSituation(DamKernelInput damKernelInput, out IKernelDataInput kernelDataInput, PLLines plLines, DamPipingBlighInput damPipingBlighInput, double waterLevel, DamPipingBlighOutput damPipingBlighOutput)
         {
+            const double upliftCriterionTolerance = 0.000000001;
             SoilProfile1D soilProfile1D = damKernelInput.SubSoilScenario.SoilProfile1D;
             SurfaceLine2 surfaceLine = damKernelInput.Location.SurfaceLine;
             Location location = damKernelInput.Location;
@@ -96,7 +97,9 @@
                 DikeEmbankmentMaterial = location.GetDikeEmbankmentSoil(),
                 XSoilGeometry2DOrigin = location.XSoilGeometry2DOrigin
             };
-            var upliftLocationAndResult = upliftLocationDeterminator.GetLocationAndResult(damKernelInput.DesignScenario.GetUpliftCriterionPiping(null));
+            // The tolerance is built in because after design it could be that the value that is designed to, is not reached by this margin
+            double upliftCriterion = location.UpliftCriterionPiping.Value - upliftCriterionTolerance;
+            var upliftLocationAndResult = upliftLocationDeterminator.GetLocationAndResult(upliftCriterion);
             upliftSituation.IsUplift = (upliftLocationAndResult != null);
             double xEntry = surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtRiver).X;
             double xExit = 0.0;