Index: DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs
===================================================================
diff -u -r3736 -r3737
--- DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs	(.../DamEngine 19.3 wrong/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs)	(revision 3736)
+++ DamEngine/branches/DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs	(.../DamEngine 19.3/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs)	(revision 3737)
@@ -67,22 +67,19 @@
         protected double trafficLoadWidth;
         protected bool hasTrafficLoad;
         protected bool isTrafficLoadOnCrest = false;
-        protected double polderLevel;
         const double offset = 100.0;
 
         /// <summary>
         /// Constructor
         /// </summary>
         /// <param name="surfaceLine"></param>
         /// <param name="location"></param>
-        /// <param name="scenarioPolderLevel"></param>
-        protected SurfaceLineAdapter(SurfaceLine2 surfaceLine, Location location, double scenarioPolderLevel)
+        protected SurfaceLineAdapter(SurfaceLine2 surfaceLine, Location location)
         {
             ThrowWhenSurfaceLineIsNull(surfaceLine);
             ThrowWhenSurfaceLineDoesNotSatisfyToSpecification(surfaceLine);
             this.surfaceLine = surfaceLine.FullDeepClone();
-            Location = location;
-            polderLevel = scenarioPolderLevel;
+            this.Location = location;
             RetainTrafficLoad();
         }
 
@@ -415,7 +412,7 @@
             res.XAtDike = xDitchDike;
             res.ZAtDike = surfaceLine.Geometry.GetZatX(res.XAtDike);
             // Depth of the ditch is defined towards PolderLevel
-            res.ZBottom = polderLevel - Location.NewDepthDitch;
+            res.ZBottom = Location.PolderLevel - Location.NewDepthDitch;
             res.XBottomAtDike = xDitchDike + (res.ZAtDike - res.ZBottom)*Location.NewSlopeAngleDitch;
             res.XBottomAtPolder = res.XBottomAtDike + Location.NewWidthDitchBottom;
             var line = new Line