Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresCalculationConfiguration.cs
===================================================================
diff -u -rf5b1a2d20962607a2e063bd6e5582dfaec00002d -re37e45f2e21aa0bf7cb46da85878c18cc2586efe
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresCalculationConfiguration.cs	(.../StabilityPointStructuresCalculationConfiguration.cs)	(revision f5b1a2d20962607a2e063bd6e5582dfaec00002d)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.IO/StabilityPointStructuresCalculationConfiguration.cs	(.../StabilityPointStructuresCalculationConfiguration.cs)	(revision e37e45f2e21aa0bf7cb46da85878c18cc2586efe)
@@ -57,6 +57,11 @@
         public MeanVariationCoefficientStochastConfiguration ConstructiveStrengthQuadraticLoadModel { get; set; }
 
         /// <summary>
+        /// Gets or sets the stochast configuration for the drain coefficient of the structure.
+        /// </summary>
+        public MeanStandardDeviationStochastConfiguration DrainCoefficient { get; set; }
+
+        /// <summary>
         /// Gets or sets the evaluation level of the structure.
         /// </summary>
         public double? EvaluationLevel { get; set; }
@@ -135,5 +140,15 @@
         /// Gets or sets the vertical distance of the structure.
         /// </summary>
         public double? VerticalDistance { get; set; }
+
+        /// <summary>
+        /// Gets or sets the factor for the storm duration for an open structure.
+        /// </summary>
+        public double? FactorStormDurationOpenStructure { get; set; }
+
+        /// <summary>
+        /// Gets or sets the volumic weight of water.
+        /// </summary>
+        public double? VolumicWeightWater { get; set; }
     }
 }
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