Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/KernelWrappers/WtiPipingSellmeijerRevised/WtiPipingSellmeijerRevisedKernelWrapper.cs
===================================================================
diff -u -r3737 -r4295
--- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/KernelWrappers/WtiPipingSellmeijerRevised/WtiPipingSellmeijerRevisedKernelWrapper.cs	(.../WtiPipingSellmeijerRevisedKernelWrapper.cs)	(revision 3737)
+++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/KernelWrappers/WtiPipingSellmeijerRevised/WtiPipingSellmeijerRevisedKernelWrapper.cs	(.../WtiPipingSellmeijerRevisedKernelWrapper.cs)	(revision 4295)
@@ -435,7 +435,7 @@
                 upliftFactor = upliftLocationAndResult.UpliftFactor;
             }
             var seepageLength = (xExit - xEntry) + damKernelInput.Location.DistanceToEntryPoint;
-
+            seepageLength = Math.Max(0, seepageLength);
             // Reference level is highest value of surfaceLevel or PolderLevel
             // Uit TR Zandmeevoerende wellen (1999): "Het verval dH is gelijk aan het verschil tussen buitenwaterstand (het ontwerppeil(OP)) 
             // bij zeedijken en de maatgevende hoogwaterstand (MHW bij rivierdijken) en de waterstand binnendijks ter plaatse van het uittredepunt, 
Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/DesignCalculator.cs
===================================================================
diff -u -r4290 -r4295
--- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/DesignCalculator.cs	(.../DesignCalculator.cs)	(revision 4290)
+++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/DesignCalculator.cs	(.../DesignCalculator.cs)	(revision 4295)
@@ -337,8 +337,35 @@
         private void SynchronizeScenarioDataWithLocationData(DesignScenario designScenario, Location location)
         {
             // Synchronize PlLine parameters
-            location.CurrentScenario = designScenario;
+            location.CurrentScenario = new DesignScenario();
+            location.CurrentScenario.LocationScenarioID = designScenario.LocationScenarioID;
+            location.CurrentScenario.ModelFactors = designScenario.ModelFactors;
             
+            location.CurrentScenario.RiverLevel = designScenario.RiverLevel;
+            location.CurrentScenario.RiverLevelLow = designScenario.RiverLevelLow;
+            location.CurrentScenario.DikeTableHeight = designScenario.DikeTableHeight;
+            location.CurrentScenario.RequiredSafetyFactorStabilityInnerSlope =
+                designScenario.RequiredSafetyFactorStabilityInnerSlope;
+            location.CurrentScenario.RequiredSafetyFactorStabilityOuterSlope =
+                designScenario.RequiredSafetyFactorStabilityOuterSlope;
+            location.CurrentScenario.RequiredSafetyFactorPiping = designScenario.RequiredSafetyFactorPiping;
+            location.CurrentScenario.UpliftCriterionPiping = designScenario.UpliftCriterionPiping;
+            location.CurrentScenario.UpliftCriterionStability = designScenario.UpliftCriterionStability;
+            location.CurrentScenario.PlLineOffsetBelowDikeTopAtPolder = designScenario.PlLineOffsetBelowDikeTopAtPolder;
+            location.CurrentScenario.PlLineOffsetBelowDikeTopAtRiver = designScenario.PlLineOffsetBelowDikeTopAtRiver;
+            location.CurrentScenario.PlLineOffsetBelowShoulderBaseInside =
+                designScenario.PlLineOffsetBelowShoulderBaseInside;
+            location.CurrentScenario.PlLineOffsetBelowDikeToeAtPolder = designScenario.PlLineOffsetBelowDikeToeAtPolder;
+            location.CurrentScenario.UsePlLineOffsetBelowDikeCrestMiddle =
+                designScenario.UsePlLineOffsetBelowDikeCrestMiddle;
+            location.CurrentScenario.PlLineOffsetBelowDikeCrestMiddle = designScenario.PlLineOffsetBelowDikeCrestMiddle;
+            location.CurrentScenario.UsePlLineOffsetFactorBelowShoulderCrest =
+                designScenario.UsePlLineOffsetFactorBelowShoulderCrest;
+            location.CurrentScenario.PlLineOffsetFactorBelowShoulderCrest =
+                designScenario.PlLineOffsetFactorBelowShoulderCrest;
+            location.CurrentScenario.HeadPl3 = designScenario.HeadPl3;
+            location.CurrentScenario.HeadPl4 = designScenario.HeadPl4;
+            
             location.PlLineOffsetBelowDikeToeAtPolder = designScenario.PlLineOffsetBelowDikeToeAtPolder;
             location.PlLineOffsetBelowDikeTopAtPolder = designScenario.PlLineOffsetBelowDikeTopAtPolder;
             location.PlLineOffsetBelowDikeTopAtRiver = designScenario.PlLineOffsetBelowDikeTopAtRiver;