Index: Ringtoets/Piping/src/Ringtoets.Piping.KernelWrapper/PipingSemiProbabilisticDesignValueFactory.cs
===================================================================
diff -u -rc2fe76d04e1517a4e0aaf62184bccd413de0e472 -r8ca454de1833ad8a8d63bcaefdfb5d886a187a01
--- Ringtoets/Piping/src/Ringtoets.Piping.KernelWrapper/PipingSemiProbabilisticDesignValueFactory.cs	(.../PipingSemiProbabilisticDesignValueFactory.cs)	(revision c2fe76d04e1517a4e0aaf62184bccd413de0e472)
+++ Ringtoets/Piping/src/Ringtoets.Piping.KernelWrapper/PipingSemiProbabilisticDesignValueFactory.cs	(.../PipingSemiProbabilisticDesignValueFactory.cs)	(revision 8ca454de1833ad8a8d63bcaefdfb5d886a187a01)
@@ -34,7 +34,7 @@
         /// <summary>
         /// Creates the design variable for <see cref="PipingInput.SaturatedVolumicWeightOfCoverageLayer"/>.
         /// </summary>
-        public static DesignVariable<LognormalDistribution> GetSaturatedVolumicWeightOfCoverageLayer(PipingInput parameters)
+        public static DesignVariable<ShiftedLognormalDistribution> GetSaturatedVolumicWeightOfCoverageLayer(PipingInput parameters)
         {
             return CreateDesignVariable(parameters.SaturatedVolumicWeightOfCoverageLayer, 0.05);
         }
@@ -116,5 +116,13 @@
                 Percentile = percentile
             };
         }
+
+        private static DesignVariable<ShiftedLognormalDistribution> CreateDesignVariable(ShiftedLognormalDistribution distribution, double percentile)
+        {
+            return new ShiftedLognormalDistributionDesignVariable(distribution)
+            {
+                Percentile = percentile
+            };
+        }
     }
 }
\ No newline at end of file