Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityCommonHelper.cs
===================================================================
diff -u -r5126 -r5128
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityCommonHelper.cs	(.../MacroStabilityCommonHelper.cs)	(revision 5126)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityCommonHelper.cs	(.../MacroStabilityCommonHelper.cs)	(revision 5128)
@@ -412,11 +412,13 @@
     /// <param name="surfaceLine2">The surfaceline.</param>
     /// <param name="dikeEmbankmentSoil">The dike embankment soil.</param>
     /// <exception cref="ArgumentNullException">Thrown when no SoilProfile2D is defined</exception>
-    private static void CombineSoilProfile2DWithSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, Soil dikeEmbankmentSoil)
+    private static void CombineSoilProfile2DWithSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, 
+                                                            Soil dikeEmbankmentSoil)
     {
         ValidateForCombineSoilProfile2DWithSurfaceLine(subSoilScenario, surfaceLine2, dikeEmbankmentSoil);
 
-        FitSoilProfile2DToSurfaceLine(subSoilScenario, surfaceLine2);
+        SoilProfile2DSurfaceLineHelper.CombineSurfaceLineWithSoilProfile2D(surfaceLine2.Geometry, subSoilScenario.SoilProfile2D, 
+                                                                           dikeEmbankmentSoil, 0);
     }
 
     private static void ValidateForCombineSoilProfile2DWithSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, Soil dikeEmbankmentSoil)
@@ -447,32 +449,6 @@
         }
     }
 
-    private static void FitSoilProfile2DToSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2)
-    {
-        const double tolerance = 1e-7;
-        double surfaceLine2LeftX = surfaceLine2.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelOutside).X;
-        if (subSoilScenario.SoilProfile2D.Geometry.GetGeometryBounds().Left.IsLessThan(surfaceLine2LeftX, tolerance))
-        {
-            GeometryHelper.CutGeometryLeft(subSoilScenario.SoilProfile2D.Geometry, surfaceLine2LeftX);
-        }
-
-        if (surfaceLine2LeftX.IsLessThan(subSoilScenario.SoilProfile2D.Geometry.GetGeometryBounds().Left, tolerance))
-        {
-            GeometryHelper.ExtendGeometryLeft(subSoilScenario.SoilProfile2D.Geometry, surfaceLine2LeftX);
-        }
-        
-        double surfaceLine2RightX = surfaceLine2.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.SurfaceLevelInside).X;
-        if (subSoilScenario.SoilProfile2D.Geometry.GetGeometryBounds().Right.IsLessThan(surfaceLine2RightX, tolerance))
-        {
-            GeometryHelper.ExtendGeometryRight(subSoilScenario.SoilProfile2D.Geometry, surfaceLine2RightX);
-        }
-        
-        if (surfaceLine2RightX.IsLessThan(subSoilScenario.SoilProfile2D.Geometry.GetGeometryBounds().Right, tolerance))
-        {
-            GeometryHelper.CutGeometryRight(subSoilScenario.SoilProfile2D.Geometry, surfaceLine2RightX);
-        }
-    }
-
     /// <summary>
     /// Combines the surfaceline with the SoilProfile1D.
     /// </summary>