Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresInput.cs
===================================================================
diff -u -r0f1cae61805cef8cf2f057cdae0324e4ce13c899 -r84046dbb7436996acbed15bb2f7b03f35bd93510
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresInput.cs	(.../StabilityPointStructuresInput.cs)	(revision 0f1cae61805cef8cf2f057cdae0324e4ce13c899)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresInput.cs	(.../StabilityPointStructuresInput.cs)	(revision 84046dbb7436996acbed15bb2f7b03f35bd93510)
@@ -58,6 +58,7 @@
         private readonly VariationCoefficientLogNormalDistribution criticalOvertoppingDischarge;
         private readonly VariationCoefficientNormalDistribution widthFlowApertures;
         private readonly NormalDistribution bermWidth;
+        private readonly NormalDistribution flowVelocityStructureClosable;
         private ForeshoreProfile foreshoreProfile;
         private RoundedDouble structureNormalOrientation;
         private RoundedDouble volumicWeightWater;
@@ -112,6 +113,12 @@
                 StandardDeviation = (RoundedDouble) 0.2
             };
 
+            flowVelocityStructureClosable = new NormalDistribution(2)
+            {
+                Mean = (RoundedDouble) double.NaN,
+                StandardDeviation = (RoundedDouble) 1
+            };
+
             levelCrestStructure = new NormalDistribution(2)
             {
                 Mean = (RoundedDouble) double.NaN,
@@ -211,7 +218,7 @@
             UpdateForeshoreProperties();
         }
 
-        #region Structure properties
+        #region Structure / calculation properties
 
         /// <summary>
         /// Gets or sets the stability point structure.
@@ -305,6 +312,7 @@
 
         /// <summary>
         /// Gets or sets the volumic weight of water.
+        /// [kN/m^3]
         /// </summary>
         public RoundedDouble VolumicWeightWater
         {
@@ -320,6 +328,7 @@
 
         /// <summary>
         /// Gets or sets the inside water level failure construction.
+        /// [m+NAP]
         /// </summary>
         public NormalDistribution InsideWaterLevelFailureConstruction
         {
@@ -336,6 +345,7 @@
 
         /// <summary>
         /// Gets or sets the inside water level.
+        /// [m+NAP]
         /// </summary>
         public NormalDistribution InsideWaterLevel
         {
@@ -352,6 +362,7 @@
 
         /// <summary>
         /// Gets or sets the storm duration.
+        /// [hrs]
         /// </summary>
         /// <remarks>Only sets the mean.</remarks>
         public VariationCoefficientLogNormalDistribution StormDuration
@@ -368,7 +379,7 @@
 
         #endregion
 
-        #region Model Inputs
+        #region Model Inputs and critical values
 
         /// <summary>
         /// Gets or sets the model factor for super critical flow. 
@@ -417,6 +428,23 @@
             }
         }
 
+        /// <summary>
+        /// Gets or sets the flow velocity structure closable.
+        /// [m/s]
+        /// </summary>
+        public NormalDistribution FlowVelocityStructureClosable
+        {
+            get
+            {
+                return flowVelocityStructureClosable;
+            }
+            set
+            {
+                flowVelocityStructureClosable.Mean = value.Mean;
+                flowVelocityStructureClosable.StandardDeviation = value.StandardDeviation;
+            }
+        }
+
         #endregion
 
         #region Schematization