Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingCalculationScenario.cs
===================================================================
diff -u -r4af59f05cb6ced6464d51c8dff8cb0b8bfca8edd -r073f4371610f4964a1f877737184494a684f7610
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingCalculationScenario.cs	(.../PipingCalculationScenario.cs)	(revision 4af59f05cb6ced6464d51c8dff8cb0b8bfca8edd)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingCalculationScenario.cs	(.../PipingCalculationScenario.cs)	(revision 073f4371610f4964a1f877737184494a684f7610)
@@ -43,6 +43,7 @@
             : base(generalInputParameters, semiProbabilisticInputParameters)
         {
             IsRelevant = true;
+            Contribution = (RoundedDouble) 1.0;
         }
 
         public bool IsRelevant { get; set; }