Index: DamClients/DamLive/trunk/src/Deltares.Dam.Application.Live/DamEngineRunner.cs
===================================================================
diff -u -r4069 -r4117
--- DamClients/DamLive/trunk/src/Deltares.Dam.Application.Live/DamEngineRunner.cs	(.../DamEngineRunner.cs)	(revision 4069)
+++ DamClients/DamLive/trunk/src/Deltares.Dam.Application.Live/DamEngineRunner.cs	(.../DamEngineRunner.cs)	(revision 4117)
@@ -321,7 +321,7 @@
 
         if (CalculationParameters.CalculationModules.StabilityOutside)
         {
-            RunStability(FailureMechanismSystemType.StabilityOutside);
+            Logger.LogError("Calculation module PipingBligh not implemented yet");
         }
 
         if (CalculationParameters.CalculationModules.PipingBligh)
@@ -336,7 +336,7 @@
 
         if (CalculationParameters.CalculationModules.PipingWti)
         {
-            Logger.LogError("Calculation module PipingWti not implemented yet");
+            RunPiping(FailureMechanismSystemType.Piping);
         }
     }
 
@@ -352,9 +352,24 @@
         }
 
         CallDamEngine();
-        OutputTimeSeriesCollection.Series.AddRange(DamProjectData.OutputTimeSerieCollection.Series);
+        if (DamProjectData.OutputTimeSerieCollection != null && DamProjectData.OutputTimeSerieCollection.Series.Count > 0)
+        {
+            OutputTimeSeriesCollection.Series.AddRange(DamProjectData.OutputTimeSerieCollection.Series);
+        }
     }
 
+    private void RunPiping(FailureMechanismSystemType failureMechanismSystemType)
+    {
+        ReadUserSettingsSlipCircleDefinition(CalculationParameters.MStabParameters.SlipCircleDefinition);
+        DamProjectData.DamProjectCalculationSpecification.CurrentSpecification.FailureMechanismSystemType = failureMechanismSystemType;
+        
+        CallDamEngine();
+        if (DamProjectData.OutputTimeSerieCollection != null && DamProjectData.OutputTimeSerieCollection.Series.Count > 0)
+        {
+            OutputTimeSeriesCollection.Series.AddRange(DamProjectData.OutputTimeSerieCollection.Series);
+        }
+    }
+    
     private void CallDamEngine()
     {
         DamProjectData.MaxCalculationCores = MaxCalculationCores;