Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureCalculationInput.cs
===================================================================
diff -u -r64d60335b1deab4bafd37f78f3514660cc4afb27 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureCalculationInput.cs	(.../StructuresClosureCalculationInput.cs)	(revision 64d60335b1deab4bafd37f78f3514660cc4afb27)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureCalculationInput.cs	(.../StructuresClosureCalculationInput.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -48,7 +48,7 @@
         private readonly double failureProbabilityStructureWithErosion;
         private readonly double stormDurationMean;
         private readonly double stormDurationVariation;
-        private readonly double probabilityOrFrequencyOpenStructureBeforeFlooding;
+        private readonly double probabilityOpenStructureBeforeFlooding;
 
         /// <summary>
         /// Creates a new instance of <see cref="StructuresClosureCalculationInput"/>.
@@ -76,7 +76,7 @@
         /// <param name="failureProbabilityStructureWithErosion">The failure probability structure with erosion.</param>
         /// <param name="stormDurationMean">The mean of the storm duration.</param>
         /// <param name="stormDurationVariation">The variation of the storm duration.</param>
-        /// <param name="probabilityOrFrequencyOpenStructureBeforeFlooding">The probability or frequency of an open structure before flooding.</param>
+        /// <param name="probabilityOpenStructureBeforeFlooding">The probability of an open structure before flooding.</param>
         protected StructuresClosureCalculationInput(long hydraulicBoundaryLocationId,
                                                     double sectionNormal,
                                                     IEnumerable<HydraRingForelandPoint> forelandPoints,
@@ -94,7 +94,7 @@
                                                     double criticalOvertoppingDischargeMean, double criticalOvertoppingDischargeVariation,
                                                     double failureProbabilityStructureWithErosion,
                                                     double stormDurationMean, double stormDurationVariation,
-                                                    double probabilityOrFrequencyOpenStructureBeforeFlooding)
+                                                    double probabilityOpenStructureBeforeFlooding)
             : base(hydraulicBoundaryLocationId)
         {
             Section = new HydraRingSection(1, double.NaN, sectionNormal);
@@ -119,7 +119,7 @@
             this.failureProbabilityStructureWithErosion = failureProbabilityStructureWithErosion;
             this.stormDurationMean = stormDurationMean;
             this.stormDurationVariation = stormDurationVariation;
-            this.probabilityOrFrequencyOpenStructureBeforeFlooding = probabilityOrFrequencyOpenStructureBeforeFlooding;
+            this.probabilityOpenStructureBeforeFlooding = probabilityOpenStructureBeforeFlooding;
         }
 
         public override HydraRingFailureMechanismType FailureMechanismType { get; } = HydraRingFailureMechanismType.StructuresClosure;
@@ -145,7 +145,7 @@
                 yield return new LogNormalHydraRingVariable(104, HydraRingDeviationType.Variation, criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation);
                 yield return new DeterministicHydraRingVariable(105, failureProbabilityStructureWithErosion);
                 yield return new LogNormalHydraRingVariable(108, HydraRingDeviationType.Variation, stormDurationMean, stormDurationVariation);
-                yield return new DeterministicHydraRingVariable(129, probabilityOrFrequencyOpenStructureBeforeFlooding);
+                yield return new DeterministicHydraRingVariable(129, probabilityOpenStructureBeforeFlooding);
             }
         }
 
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInput.cs
===================================================================
diff -u -r64d60335b1deab4bafd37f78f3514660cc4afb27 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInput.cs	(.../StructuresClosureFloodedCulvertCalculationInput.cs)	(revision 64d60335b1deab4bafd37f78f3514660cc4afb27)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInput.cs	(.../StructuresClosureFloodedCulvertCalculationInput.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -63,7 +63,7 @@
         /// <param name="failureProbabilityStructureWithErosion">The failure probability structure with erosion.</param>
         /// <param name="stormDurationMean">The mean of the storm duration.</param>
         /// <param name="stormDurationVariation">The variation of the storm duration.</param>
-        /// <param name="probabilityOrFrequencyOpenStructureBeforeFlooding">The probability of an open structure before flooding.</param>
+        /// <param name="probabilityOpenStructureBeforeFlooding">The probability of an open structure before flooding.</param>
         /// <param name="drainCoefficientMean">The mean of the drain coefficient.</param>
         /// <param name="drainCoefficientStandardDeviation">The standard deviation of the drain coefficient.</param>
         /// <param name="areaFlowAperturesMean">The mean of the area of flow apertures.</param>
@@ -87,7 +87,7 @@
                                                                double criticalOvertoppingDischargeMean, double criticalOvertoppingDischargeVariation,
                                                                double failureProbabilityStructureWithErosion,
                                                                double stormDurationMean, double stormDurationVariation,
-                                                               double probabilityOrFrequencyOpenStructureBeforeFlooding,
+                                                               double probabilityOpenStructureBeforeFlooding,
                                                                double drainCoefficientMean, double drainCoefficientStandardDeviation,
                                                                double areaFlowAperturesMean, double areaFlowAperturesStandardDeviation,
                                                                double insideWaterLevelMean, double insideWaterLevelStandardDeviation)
@@ -107,7 +107,7 @@
                    criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                    failureProbabilityStructureWithErosion,
                    stormDurationMean, stormDurationVariation,
-                   probabilityOrFrequencyOpenStructureBeforeFlooding)
+                   probabilityOpenStructureBeforeFlooding)
         {
             this.drainCoefficientMean = drainCoefficientMean;
             this.drainCoefficientStandardDeviation = drainCoefficientStandardDeviation;
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureLowSillCalculationInput.cs
===================================================================
diff -u -r64d60335b1deab4bafd37f78f3514660cc4afb27 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureLowSillCalculationInput.cs	(.../StructuresClosureLowSillCalculationInput.cs)	(revision 64d60335b1deab4bafd37f78f3514660cc4afb27)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureLowSillCalculationInput.cs	(.../StructuresClosureLowSillCalculationInput.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -67,7 +67,7 @@
         /// <param name="failureProbabilityStructureWithErosion">The failure probability structure with erosion.</param>
         /// <param name="stormDurationMean">The mean of the storm duration.</param>
         /// <param name="stormDurationVariation">The variation of the storm duration.</param>
-        /// <param name="probabilityOrFrequencyOpenStructureBeforeFlooding">The probability or frequency of an open structure before flooding.</param>
+        /// <param name="probabilityOpenStructureBeforeFlooding">The probability of an open structure before flooding.</param>
         /// <param name="modelFactorSuperCriticalFlowMean">The mean of the model factor super critical flow.</param>
         /// <param name="modelFactorSuperCriticalFlowStandardDeviation">The standard deviation of the model factor super critical flow.</param>
         /// <param name="modelFactorSubCriticalFlowMean">The mean of the model factor sub critical flow.</param>
@@ -95,7 +95,7 @@
                                                         double criticalOvertoppingDischargeMean, double criticalOvertoppingDischargeVariation,
                                                         double failureProbabilityStructureWithErosion,
                                                         double stormDurationMean, double stormDurationVariation,
-                                                        double probabilityOrFrequencyOpenStructureBeforeFlooding,
+                                                        double probabilityOpenStructureBeforeFlooding,
                                                         double modelFactorSuperCriticalFlowMean, double modelFactorSuperCriticalFlowStandardDeviation,
                                                         double modelFactorSubCriticalFlowMean, double modelFactorSubCriticalFlowVariation,
                                                         double thresholdHeightOpenWeirMean, double thresholdHeightOpenWeirStandardDeviation,
@@ -117,7 +117,7 @@
                    criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                    failureProbabilityStructureWithErosion,
                    stormDurationMean, stormDurationVariation,
-                   probabilityOrFrequencyOpenStructureBeforeFlooding)
+                   probabilityOpenStructureBeforeFlooding)
         {
             this.modelFactorSuperCriticalFlowMean = modelFactorSuperCriticalFlowMean;
             this.modelFactorSuperCriticalFlowStandardDeviation = modelFactorSuperCriticalFlowStandardDeviation;
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureVerticalWallCalculationInput.cs
===================================================================
diff -u -r64d60335b1deab4bafd37f78f3514660cc4afb27 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureVerticalWallCalculationInput.cs	(.../StructuresClosureVerticalWallCalculationInput.cs)	(revision 64d60335b1deab4bafd37f78f3514660cc4afb27)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureVerticalWallCalculationInput.cs	(.../StructuresClosureVerticalWallCalculationInput.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -67,7 +67,7 @@
         /// <param name="failureProbabilityStructureWithErosion">The failure probability structure with erosion.</param>
         /// <param name="stormDurationMean">The mean of the storm duration.</param>
         /// <param name="stormDurationVariation">The variation of the storm duration.</param>
-        /// <param name="probabilityOrFrequencyOpenStructureBeforeFlooding">The probability or frequency of an open structure before flooding.</param>
+        /// <param name="probabilityOpenStructureBeforeFlooding">The probability of an open structure before flooding.</param>
         /// <param name="modelFactorOvertoppingFlowMean">The mean of the model factor overtopping flow.</param>
         /// <param name="modelFactorOvertoppingFlowStandardDeviation">The standard deviation of the model factor overtopping flow.</param>
         /// <param name="structureNormalOrientation">The orientation of the normal of the structure.</param>
@@ -95,7 +95,7 @@
                                                              double criticalOvertoppingDischargeMean, double criticalOvertoppingDischargeVariation,
                                                              double failureProbabilityStructureWithErosion,
                                                              double stormDurationMean, double stormDurationVariation,
-                                                             double probabilityOrFrequencyOpenStructureBeforeFlooding,
+                                                             double probabilityOpenStructureBeforeFlooding,
                                                              double modelFactorOvertoppingFlowMean, double modelFactorOvertoppingFlowStandardDeviation,
                                                              double structureNormalOrientation,
                                                              double modelFactorSuperCriticalFlowMean, double modelFactorSuperCriticalFlowStandardDeviation,
@@ -118,7 +118,7 @@
                    criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                    failureProbabilityStructureWithErosion,
                    stormDurationMean, stormDurationVariation,
-                   probabilityOrFrequencyOpenStructureBeforeFlooding)
+                   probabilityOpenStructureBeforeFlooding)
         {
             this.modelFactorOvertoppingFlowMean = modelFactorOvertoppingFlowMean;
             this.modelFactorOvertoppingFlowStandardDeviation = modelFactorOvertoppingFlowStandardDeviation;
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureCalculationInputTest.cs
===================================================================
diff -u -r64d60335b1deab4bafd37f78f3514660cc4afb27 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureCalculationInputTest.cs	(.../StructuresClosureCalculationInputTest.cs)	(revision 64d60335b1deab4bafd37f78f3514660cc4afb27)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureCalculationInputTest.cs	(.../StructuresClosureCalculationInputTest.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -62,7 +62,7 @@
             const double failureProbabilityStructureWithErosion = 17.7;
             const double stormDurationMean = 18.8;
             const double stormDurationVariation = 19.9;
-            const double probabilityOrFrequencyOpenStructureBeforeFlooding = 20.0;
+            const double probabilityOpenStructureBeforeFlooding = 20.0;
 
             // Call
             var input = new TestStructuresClosureCalculationInput(hydraulicBoundaryLocationId,
@@ -81,7 +81,7 @@
                                                                   criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                                                                   failureProbabilityStructureWithErosion,
                                                                   stormDurationMean, stormDurationVariation,
-                                                                  probabilityOrFrequencyOpenStructureBeforeFlooding);
+                                                                  probabilityOpenStructureBeforeFlooding);
 
             // Assert
             Assert.IsInstanceOf<ExceedanceProbabilityCalculationInput>(input);
@@ -136,7 +136,7 @@
                                                          double criticalOvertoppingDischargeMean, double criticalOvertoppingDischargeVariation,
                                                          double failureProbabilityStructureWithErosion,
                                                          double stormDurationMean, double stormDurationVariation,
-                                                         double probabilityOrFrequencyOpenStructureBeforeFlooding)
+                                                         double probabilityOpenStructureBeforeFlooding)
                 : base(hydraulicBoundaryLocationId,
                        sectionNormal,
                        forelandPoints, breakWater,
@@ -153,7 +153,7 @@
                        criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                        failureProbabilityStructureWithErosion,
                        stormDurationMean, stormDurationVariation,
-                       probabilityOrFrequencyOpenStructureBeforeFlooding) {}
+                       probabilityOpenStructureBeforeFlooding) {}
 
             public override int? GetSubMechanismModelId(int subMechanismId)
             {
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInputTest.cs
===================================================================
diff -u -r09c47b676fdd8a2a9f891f226e1c2a676a3dec08 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInputTest.cs	(.../StructuresClosureFloodedCulvertCalculationInputTest.cs)	(revision 09c47b676fdd8a2a9f891f226e1c2a676a3dec08)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInputTest.cs	(.../StructuresClosureFloodedCulvertCalculationInputTest.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -60,7 +60,7 @@
             const double failureProbabilityStructureWithErosion = 17.7;
             const double stormDurationMean = 18.8;
             const double stormDurationVariation = 19.9;
-            const double probabilityOrFrequencyOpenStructureBeforeFlooding = 20.0;
+            const double probabilityOpenStructureBeforeFlooding = 20.0;
             const double drainCoefficientMean = 21.1;
             const double drainCoefficientStandardDeviation = 22.2;
             const double areaFlowAperturesMean = 23.3;
@@ -85,7 +85,7 @@
                                                                             criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                                                                             failureProbabilityStructureWithErosion,
                                                                             stormDurationMean, stormDurationVariation,
-                                                                            probabilityOrFrequencyOpenStructureBeforeFlooding,
+                                                                            probabilityOpenStructureBeforeFlooding,
                                                                             drainCoefficientMean, drainCoefficientStandardDeviation,
                                                                             areaFlowAperturesMean, areaFlowAperturesStandardDeviation,
                                                                             insideWaterLevelMean, insideWaterLevelStandardDeviation);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs
===================================================================
diff -u -r09c47b676fdd8a2a9f891f226e1c2a676a3dec08 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs	(.../StructuresClosureLowSillCalculationInputTest.cs)	(revision 09c47b676fdd8a2a9f891f226e1c2a676a3dec08)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs	(.../StructuresClosureLowSillCalculationInputTest.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -60,7 +60,7 @@
             const double failureProbabilityStructureWithErosion = 17.7;
             const double stormDurationMean = 18.8;
             const double stormDurationVariation = 19.9;
-            const double probabilityOrFrequencyOpenStructureBeforeFlooding = 20.0;
+            const double probabilityOpenStructureBeforeFlooding = 20.0;
             const double modelFactorSuperCriticalFlowMean = 21.1;
             const double modelFactorSuperCriticalFlowStandardDeviation = 22.2;
             const double modelFactorSubCriticalFlowMean = 23.3;
@@ -89,7 +89,7 @@
                                                                      criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                                                                      failureProbabilityStructureWithErosion,
                                                                      stormDurationMean, stormDurationVariation,
-                                                                     probabilityOrFrequencyOpenStructureBeforeFlooding,
+                                                                     probabilityOpenStructureBeforeFlooding,
                                                                      modelFactorSuperCriticalFlowMean, modelFactorSuperCriticalFlowStandardDeviation,
                                                                      modelFactorSubCriticalFlowMean, modelFactorSubCriticalFlowVariation,
                                                                      thresholdHeightOpenWeirMean, thresholdHeightOpenWeirStandardDeviation,
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureVerticalWallCalculationInputTest.cs
===================================================================
diff -u -r09c47b676fdd8a2a9f891f226e1c2a676a3dec08 -rd87fc9c41a2cf056c18f9353c831d22ed103a6bb
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureVerticalWallCalculationInputTest.cs	(.../StructuresClosureVerticalWallCalculationInputTest.cs)	(revision 09c47b676fdd8a2a9f891f226e1c2a676a3dec08)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureVerticalWallCalculationInputTest.cs	(.../StructuresClosureVerticalWallCalculationInputTest.cs)	(revision d87fc9c41a2cf056c18f9353c831d22ed103a6bb)
@@ -60,7 +60,7 @@
             const double failureProbabilityStructureWithErosion = 17.7;
             const double stormDurationMean = 18.8;
             const double stormDurationVariation = 19.9;
-            const double probabilityOrFrequencyOpenStructureBeforeFlooding = 20.0;
+            const double probabilityOpenStructureBeforeFlooding = 20.0;
             const double modelFactorOvertoppingFlowMean = 21.1;
             const double modelFactorOvertoppingFlowStandardDeviation = 22.2;
             const double structureNormalOrientation = 23.3;
@@ -89,7 +89,7 @@
                                                                           criticalOvertoppingDischargeMean, criticalOvertoppingDischargeVariation,
                                                                           failureProbabilityStructureWithErosion,
                                                                           stormDurationMean, stormDurationVariation,
-                                                                          probabilityOrFrequencyOpenStructureBeforeFlooding,
+                                                                          probabilityOpenStructureBeforeFlooding,
                                                                           modelFactorOvertoppingFlowMean, modelFactorOvertoppingFlowStandardDeviation,
                                                                           structureNormalOrientation,
                                                                           modelFactorSuperCriticalFlowMean, modelFactorSuperCriticalFlowStandardDeviation,