Index: dam engine/trunk/src/Deltares.DamEngine.Calculators/Dikes Design/DesignCalculator.cs
===================================================================
diff -u -r605 -r623
--- dam engine/trunk/src/Deltares.DamEngine.Calculators/Dikes Design/DesignCalculator.cs	(.../DesignCalculator.cs)	(revision 605)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators/Dikes Design/DesignCalculator.cs	(.../DesignCalculator.cs)	(revision 623)
@@ -1,6 +1,8 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using Deltares.DamEngine.Calculators.KernelWrappers.Common;
 using Deltares.DamEngine.Calculators.KernelWrappers.DamPipingBligh;
+using Deltares.DamEngine.Calculators.KernelWrappers.DamPipingSellmeijer4Forces;
 using Deltares.DamEngine.Calculators.KernelWrappers.Interfaces;
 using Deltares.DamEngine.Data.General;
 using Deltares.DamEngine.Data.General.Results;
@@ -20,6 +22,33 @@
         /// <returns></returns>
         public List<LogMessage> Execute(DamProjectData damProjectData)
         {
+            IKernelWrapper kernelWrapper = null;
+            switch (damProjectData.DamProjectCalculationSpecification.CurrentSpecification.FailureMechanismSystemType)
+            {
+                case FailureMechanismSystemType.HorizontalBalance:
+                case FailureMechanismSystemType.StabilityInside:
+                case FailureMechanismSystemType.StabilityOutside:
+                    throw new NotImplementedException("Requested kernel not implemented yet");
+                case FailureMechanismSystemType.Piping:
+                    switch (damProjectData.DamProjectCalculationSpecification.CurrentSpecification.PipingModelType)
+                    {
+                        case PipingModelType.SellmeijerVnk:
+                        case PipingModelType.Wti2017:
+                            throw new NotImplementedException("Requested kernel not implemented yet");
+                        case PipingModelType.Bligh:
+                            kernelWrapper = new DamPipingBlighKernelWrapper();
+                            break;
+                        case PipingModelType.Sellmeijer4Forces:
+                            kernelWrapper = new DamPipingSellmeijer4ForcesKernelWrapper();
+                            break;
+                    }
+                    break;
+            }
+            if (kernelWrapper == null)
+            {
+                throw new NotImplementedException("Requested kernel not implemented yet");
+            }
+
             damProjectData.DesignCalculations = new List<DesignResult>();
             var calculationMessages = new List<LogMessage>();
             for (int locationIndex = 0; locationIndex < damProjectData.Dike.Locations.Count; locationIndex++)
@@ -30,7 +59,6 @@
                     var soiProfileProbability = location.Segment.SoilProfileProbabilities[subSoilScenarioIndex];
                     for (int designScenarioIndex = 0; designScenarioIndex < location.Scenarios.Count; designScenarioIndex++)
                     {
-                        IKernelWrapper kernelWrapper = new DamPipingBlighKernelWrapper();
 
                         // Prepare input
                         var damKernelInput = new DamKernelInput();