Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapper.cs
===================================================================
diff -u -r1923 -r1924
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapper.cs	(.../DamWbiMacroStabilityInwardsKernelWrapper.cs)	(revision 1923)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/DamWbiMacroStabilityInwards/DamWbiMacroStabilityInwardsKernelWrapper.cs	(.../DamWbiMacroStabilityInwardsKernelWrapper.cs)	(revision 1924)
@@ -12,6 +12,7 @@
 using Deltares.DamEngine.Data.Geometry;
 using Deltares.DamEngine.Data.Standard.Calculation;
 using Deltares.DamEngine.Data.Standard.Logging;
+using Deltares.DamEngine.Data.Geotechnics;
 using Deltares.WTIStability.Calculation.Wrapper;
 
 namespace Deltares.DamEngine.Calculators.KernelWrappers.DamWbiMacroStabilityInwards
@@ -332,8 +333,33 @@
         public bool EvaluateDesign(DamKernelInput damKernelInput, IKernelDataInput kernelDataInput, IKernelDataOutput kernelDataOutput,
             out DesignAdvise designAdvise, out string evaluationMessage)
         {
-            // ToDo: Not clear yet if this must be done or how
-            throw new NotImplementedException();
+            DamWbiMacroStabilityInput macroStabilityInput = kernelDataInput as DamWbiMacroStabilityInput;
+            DamWbiMacroStabilityOutput macroStabilityOutput = kernelDataOutput as DamWbiMacroStabilityOutput;
+            ThrowWhenWbiMacroStabilityKernelInputNull(macroStabilityInput);
+            ThrowWhenWbiMacroStabilityKernelOutputNull(macroStabilityOutput);
+            ThrowWhenWbiMacroStabilityDamKernelInputNull(damKernelInput);
+
+            double fosRequired = damKernelInput.Location.ModelFactors.RequiredSafetyFactorStabilityInnerSlope.Value;
+            double fosAchieved = macroStabilityOutput.StabilityOutputItems[0].SafetyFactor;
+            //ToDo MWDAM-1357: not clear where the exitPointXCoordinate must come from
+            //double exitPointXCoordinate = macroStabilityOutput.StabilityOutputItems[0].CircleSurfacePointRightXCoordinate;
+            double exitPointXCoordinate = 1.123; // ToDo replace by value aboven. set a value for test.
+            GeometryPoint limitPointForShoulderDesign = damKernelInput.Location.SurfaceLine.GetLimitPointForShoulderDesign();
+            evaluationMessage = String.Format(Resources.FactorAchievedVsFactorRequired, fosAchieved, fosRequired);
+            if (exitPointXCoordinate > limitPointForShoulderDesign.X)
+            {
+                designAdvise = DesignAdvise.ShoulderInwards;
+            }
+            else
+            {
+                designAdvise = DesignAdvise.SlopeInwards;
+            }
+            bool isDesignReady = fosAchieved >= fosRequired;
+            if (isDesignReady)
+            {
+                designAdvise = DesignAdvise.None;
+            }
+            return isDesignReady;
         }
 
         public void PrepareDesign(IKernelDataInput kernelDataInput, IKernelDataOutput kernelDataOutput, DamKernelInput damKernelInput,