Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs
===================================================================
diff -u -r1965 -r2791
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs	(.../SurfaceLineAdapter.cs)	(revision 1965)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/DikesDesign/SurfaceLineAdapter.cs	(.../SurfaceLineAdapter.cs)	(revision 2791)
@@ -67,19 +67,22 @@
         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>
-        protected SurfaceLineAdapter(SurfaceLine2 surfaceLine, Location location)
+        /// <param name="scenarioPolderLevel"></param>
+        protected SurfaceLineAdapter(SurfaceLine2 surfaceLine, Location location, double scenarioPolderLevel)
         {
             ThrowWhenSurfaceLineIsNull(surfaceLine);
             ThrowWhenSurfaceLineDoesNotSatisfyToSpecification(surfaceLine);
             this.surfaceLine = surfaceLine.FullDeepClone();
-            this.Location = location;
+            Location = location;
+            polderLevel = scenarioPolderLevel;
             RetainTrafficLoad();
         }
 
@@ -412,7 +415,7 @@
             res.XAtDike = xDitchDike;
             res.ZAtDike = surfaceLine.Geometry.GetZatX(res.XAtDike);
             // Depth of the ditch is defined towards PolderLevel
-            res.ZBottom = Location.PolderLevel - Location.NewDepthDitch;
+            res.ZBottom = polderLevel - Location.NewDepthDitch;
             res.XBottomAtDike = xDitchDike + (res.ZAtDike - res.ZBottom)*Location.NewSlopeAngleDitch;
             res.XBottomAtPolder = res.XBottomAtDike + Location.NewWidthDitchBottom;
             var line = new Line