Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/PlLinesHelper.cs
===================================================================
diff -u -r3737 -r4225
--- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/PlLinesHelper.cs	(.../PlLinesHelper.cs)	(revision 3737)
+++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/PlLinesHelper.cs	(.../PlLinesHelper.cs)	(revision 4225)
@@ -109,6 +109,10 @@
         public static PlLines CreatePlLinesForStabilityExpertKnowledge(Location location, SoilGeometryProbability subSoilScenario,
             double waterLevel, double? waterLevelRiverLow, out UpliftSituation upliftSituation)
         {
+            if (location.CurrentScenario == null)
+            {
+                location.CurrentScenario = location.Scenarios[0];
+            }
             var plLinesCreator = new PlLinesCreator.PlLinesCreator
             {
                 WaterLevelRiverLow = waterLevelRiverLow,
@@ -117,8 +121,8 @@
                 SurfaceLine = location.SurfaceLine,
                 WaterLevelPolder = location.PolderLevel,
                 HeadInPlLine2 = location.HeadPl2,
-                HeadInPlLine3 = location.HeadPl3,
-                HeadInPlLine4 = location.HeadPl4,
+                HeadInPlLine3 = location.CurrentScenario.HeadPl3,
+                HeadInPlLine4 = location.CurrentScenario.HeadPl4,
                 ModelParametersForPlLines = location.ModelParametersForPlLines,
                 SoilProfile = subSoilScenario.SoilProfile1D,
                 SoilProfileType = subSoilScenario.SoilProfileType,
@@ -160,14 +164,18 @@
         public static PlLines CreatePlLinesForPiping(Location location, SoilProfile1D soilProfile, double waterLevel,
             out UpliftSituation upliftSituation)
         {
+            if (location.CurrentScenario == null)
+            {
+                location.CurrentScenario = location.Scenarios[0];
+            }
             var plLinesCreator = new PlLinesCreator.PlLinesCreator
             {
                 WaterLevelRiverHigh = waterLevel,
                 SurfaceLine = location.SurfaceLine,
                 WaterLevelPolder = location.PolderLevel,
                 HeadInPlLine2 = location.HeadPl2,
-                HeadInPlLine3 = location.HeadPl3,
-                HeadInPlLine4 = location.HeadPl4,
+                HeadInPlLine3 = location.CurrentScenario.HeadPl3,
+                HeadInPlLine4 = location.CurrentScenario.HeadPl4,
                 ModelParametersForPlLines = location.ModelParametersForPlLines,
                 SoilProfile = soilProfile,
                 GaugePlLines = null, // TODO: Operational
Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/DesignCalculator.cs
===================================================================
diff -u -r3737 -r4225
--- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/DesignCalculator.cs	(.../DesignCalculator.cs)	(revision 3737)
+++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/DesignCalculator.cs	(.../DesignCalculator.cs)	(revision 4225)
@@ -321,6 +321,7 @@
         private void SynchronizeScenarioDataWithLocationData(DesignScenario designScenario, Location location)
         {
             // Synchronize PlLine parameters
+            location.CurrentScenario = designScenario;
             location.PlLineOffsetBelowDikeToeAtPolder = designScenario.PlLineOffsetBelowDikeToeAtPolder;
             location.PlLineOffsetBelowDikeTopAtPolder = designScenario.PlLineOffsetBelowDikeTopAtPolder;
             location.PlLineOffsetBelowDikeTopAtRiver = designScenario.PlLineOffsetBelowDikeTopAtRiver;
Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Data/General/Location.cs
===================================================================
diff -u -r3737 -r4225
--- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Data/General/Location.cs	(.../Location.cs)	(revision 3737)
+++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Data/General/Location.cs	(.../Location.cs)	(revision 4225)
@@ -841,6 +841,14 @@
                 return scenarios;
             }
         }
+        
+        /// <summary>
+        /// Gets and sets the current scenario.
+        /// </summary>
+        /// <value>
+        /// The current scenario.
+        /// </value>
+        public DesignScenario CurrentScenario { get; set; }
 
         /// <summary>
         /// Gets or sets the type of the dam project.