Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureCalculationInput.cs
===================================================================
diff -u -r63ac397116210e4f1c7ac94c45459fffd1f3ec0a -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureCalculationInput.cs	(.../StructuresClosureCalculationInput.cs)	(revision 63ac397116210e4f1c7ac94c45459fffd1f3ec0a)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureCalculationInput.cs	(.../StructuresClosureCalculationInput.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -29,6 +29,7 @@
     public abstract class StructuresClosureCalculationInput : ExceedanceProbabilityCalculationInput
     {
         private readonly HydraRingSection hydraRingSection;
+        private readonly IEnumerable<HydraRingForelandPoint> forelandPoints;
         private readonly double gravitationalAcceleration;
         private readonly double factorStormDurationOpenStructure;
         private readonly double failureProbabilityOpenStructure;
@@ -55,6 +56,7 @@
         /// </summary>
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic station to use during the calculation.</param>
         /// <param name="hydraRingSection">The section to use during the calculation.</param>
+        /// <param name="forelandPoints">The foreland points to use during the calculation.</param>
         /// <param name="hydraRingGravitationalAcceleration">The gravitational acceleration to use during the calculation.</param>
         /// <param name="hydraRingFactorStormDurationOpenStructure">The factor of the storm duration for an open structure to use during the calculation.</param>
         /// <param name="hydraRingFailureProbabilityOpenStructure">The failure probability for an open structure to use during the calculation.</param>
@@ -76,6 +78,7 @@
         /// <param name="hydraRingStormDurationVariation">The variation of the storm duration to use during the calculation.</param>
         /// <param name="hydraRingProbabilityOpenStructureBeforeFlooding">The propability of an open structure before flooding to use during the calculation.</param>
         protected StructuresClosureCalculationInput(long hydraulicBoundaryLocationId, HydraRingSection hydraRingSection,
+                                                    IEnumerable<HydraRingForelandPoint> forelandPoints,
                                                     double hydraRingGravitationalAcceleration, double hydraRingFactorStormDurationOpenStructure,
                                                     double hydraRingFailureProbabilityOpenStructure, double hydraRingFailureProbabilityReparation,
                                                     double hydraRingIdenticalAperture, double hydraRingAllowableIncreaseOfLevelForStorageMean,
@@ -89,6 +92,7 @@
             : base(hydraulicBoundaryLocationId)
         {
             this.hydraRingSection = hydraRingSection;
+            this.forelandPoints = forelandPoints;
             gravitationalAcceleration = hydraRingGravitationalAcceleration;
             factorStormDurationOpenStructure = hydraRingFactorStormDurationOpenStructure;
             failureProbabilityOpenStructure = hydraRingFailureProbabilityOpenStructure;
@@ -135,6 +139,14 @@
             }
         }
 
+        public override IEnumerable<HydraRingForelandPoint> ForelandsPoints
+        {
+            get
+            {
+                return forelandPoints;
+            }
+        }
+
         public override IEnumerable<HydraRingVariable> Variables
         {
             get
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInput.cs
===================================================================
diff -u -r005a3c4605da079014376d3ba779cb1478dcdaec -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInput.cs	(.../StructuresClosureFloodedCulvertCalculationInput.cs)	(revision 005a3c4605da079014376d3ba779cb1478dcdaec)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInput.cs	(.../StructuresClosureFloodedCulvertCalculationInput.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -41,6 +41,7 @@
         /// </summary>
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic station to use during the calculation.</param>
         /// <param name="hydraRingSection">The section to use during the calculation.</param>
+        /// <param name="forelandPoints">The foreland points to use during the calculation.</param>
         /// <param name="hydraRingGravitationalAcceleration">The gravitational acceleration to use during the calculation.</param>
         /// <param name="hydraRingFactorStormDurationOpenStructure">The factor of the storm duration for an open structure to use during the calculation.</param>
         /// <param name="hydraRingFailureProbabilityOpenStructure">The failure probability for an open structure to use during the calculation.</param>
@@ -68,6 +69,7 @@
         /// <param name="hydraRingWaterLevelInsideMean">The mean of the waterlevel inside to use during the calculation.</param>
         /// <param name="hydraRingWaterLevelInsideStandardDeviation">The standard deviation of the waterlevel inside to use during the calculation.</param>
         public StructuresClosureFloodedCulvertCalculationInput(long hydraulicBoundaryLocationId, HydraRingSection hydraRingSection,
+                                                               IEnumerable<HydraRingForelandPoint> forelandPoints,
                                                                double hydraRingGravitationalAcceleration, double hydraRingFactorStormDurationOpenStructure,
                                                                double hydraRingFailureProbabilityOpenStructure, double hydraRingFailureProbabilityReparation,
                                                                double hydraRingIdenticalAperture, double hydraRingAllowableIncreaseOfLevelForStorageMean,
@@ -81,7 +83,7 @@
                                                                double hydraRingDrainCoefficientMean, double hydraRingDrainCoefficientStandardDeviation,
                                                                double hydraRingAreaFlowAperturesMean, double hydraRingAreaFlowAperturesStandardDeviation,
                                                                double hydraRingWaterLevelInsideMean, double hydraRingWaterLevelInsideStandardDeviation)
-            : base(hydraulicBoundaryLocationId, hydraRingSection,
+            : base(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                    hydraRingGravitationalAcceleration, hydraRingFactorStormDurationOpenStructure,
                    hydraRingFailureProbabilityOpenStructure, hydraRingFailureProbabilityReparation,
                    hydraRingIdenticalAperture, hydraRingAllowableIncreaseOfLevelForStorageMean,
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureLowSillCalculationInput.cs
===================================================================
diff -u -r8efa69259273360cbc69986142938d7e1e826b2a -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureLowSillCalculationInput.cs	(.../StructuresClosureLowSillCalculationInput.cs)	(revision 8efa69259273360cbc69986142938d7e1e826b2a)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureLowSillCalculationInput.cs	(.../StructuresClosureLowSillCalculationInput.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -45,6 +45,7 @@
         /// </summary>
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic station to use during the calculation.</param>
         /// <param name="hydraRingSection">The section to use during the calculation.</param>
+        /// <param name="forelandPoints">The foreland points to use during the calculation.</param>
         /// <param name="hydraRingGravitationalAcceleration">The gravitational acceleration to use during the calculation.</param>
         /// <param name="hydraRingFactorStormDurationOpenStructure">The factor of the storm duration for an open structure to use during the calculation.</param>
         /// <param name="hydraRingFailureProbabilityOpenStructure">The failure probability for an open structure to use during the calculation.</param>
@@ -76,23 +77,24 @@
         /// <param name="hydraRingWidthOfFlowAperturesMean">The mean of the width of flow apertures to use during the calculation.</param>
         /// <param name="hydraRingWidthOfFlowAperturesVariation">The variation of the width of flow apertures to use during the calculation.</param>
         public StructuresClosureLowSillCalculationInput(long hydraulicBoundaryLocationId, HydraRingSection hydraRingSection,
-                                                             double hydraRingGravitationalAcceleration, double hydraRingFactorStormDurationOpenStructure,
-                                                             double hydraRingFailureProbabilityOpenStructure, double hydraRingFailureProbabilityReparation,
-                                                             double hydraRingIdenticalAperture, double hydraRingAllowableIncreaseOfLevelForStorageMean,
-                                                             double hydraRingAllowableIncreaseOfLevelForStorageStandardDeviation, double hydraRingModelFactorForStorageVolumeMean,
-                                                             double hydraRingModelFactorForStorageVolumeStandardDeviation, double hydraRingStorageStructureAreaMean,
-                                                             double hydraRingStorageStructureAreaVariation, double hydraRingModelFactorForIncomingFlowVolume,
-                                                             double hydraRingFlowWidthAtBottomProtectionMean, double hydraRingFlowWidthAtBottomProtectionStandardDeviation,
-                                                             double hydraRingCriticalOvertoppingDischargeMean, double hydraRingCriticalOvertoppingDischargeVariation,
-                                                             double hydraRingFailureProbabilityOfStructureGivenErosion, double hydraRingStormDurationMean,
-                                                             double hydraRingStormDurationVariation, double hydraRingProbabilityOpenStructureBeforeFlooding,
-                                                             double hydraRingModelFactorSubcriticalFlowMean, double hydraRingModelFactorSubcriticalFlowVariation,
-                                                             double hydraRingThresholdLowWeirHeightMean, double hydraRingThresholdLowWeirHeightStandardDeviation,
-                                                             double hydraRingWaterLevelInsideMean, double hydraRingWaterLevelInsideStandardDeviation,
-                                                             double hydraRingModelFactorOvertoppingSupercriticalFlowMean,
-                                                             double hydraRingModelFactorOvertoppingSupercriticalFlowStandardDeviation,
-                                                             double hydraRingWidthOfFlowAperturesMean, double hydraRingWidthOfFlowAperturesVariation)
-            : base(hydraulicBoundaryLocationId, hydraRingSection,
+                                                        IEnumerable<HydraRingForelandPoint> forelandPoints,
+                                                        double hydraRingGravitationalAcceleration, double hydraRingFactorStormDurationOpenStructure,
+                                                        double hydraRingFailureProbabilityOpenStructure, double hydraRingFailureProbabilityReparation,
+                                                        double hydraRingIdenticalAperture, double hydraRingAllowableIncreaseOfLevelForStorageMean,
+                                                        double hydraRingAllowableIncreaseOfLevelForStorageStandardDeviation, double hydraRingModelFactorForStorageVolumeMean,
+                                                        double hydraRingModelFactorForStorageVolumeStandardDeviation, double hydraRingStorageStructureAreaMean,
+                                                        double hydraRingStorageStructureAreaVariation, double hydraRingModelFactorForIncomingFlowVolume,
+                                                        double hydraRingFlowWidthAtBottomProtectionMean, double hydraRingFlowWidthAtBottomProtectionStandardDeviation,
+                                                        double hydraRingCriticalOvertoppingDischargeMean, double hydraRingCriticalOvertoppingDischargeVariation,
+                                                        double hydraRingFailureProbabilityOfStructureGivenErosion, double hydraRingStormDurationMean,
+                                                        double hydraRingStormDurationVariation, double hydraRingProbabilityOpenStructureBeforeFlooding,
+                                                        double hydraRingModelFactorSubcriticalFlowMean, double hydraRingModelFactorSubcriticalFlowVariation,
+                                                        double hydraRingThresholdLowWeirHeightMean, double hydraRingThresholdLowWeirHeightStandardDeviation,
+                                                        double hydraRingWaterLevelInsideMean, double hydraRingWaterLevelInsideStandardDeviation,
+                                                        double hydraRingModelFactorOvertoppingSupercriticalFlowMean,
+                                                        double hydraRingModelFactorOvertoppingSupercriticalFlowStandardDeviation,
+                                                        double hydraRingWidthOfFlowAperturesMean, double hydraRingWidthOfFlowAperturesVariation)
+            : base(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                    hydraRingGravitationalAcceleration, hydraRingFactorStormDurationOpenStructure,
                    hydraRingFailureProbabilityOpenStructure, hydraRingFailureProbabilityReparation,
                    hydraRingIdenticalAperture, hydraRingAllowableIncreaseOfLevelForStorageMean,
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureVerticalWallCalculationInput.cs
===================================================================
diff -u -r86d6815d711c4fe513664b80b959068c62ae9a2d -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureVerticalWallCalculationInput.cs	(.../StructuresClosureVerticalWallCalculationInput.cs)	(revision 86d6815d711c4fe513664b80b959068c62ae9a2d)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Structures/StructuresClosureVerticalWallCalculationInput.cs	(.../StructuresClosureVerticalWallCalculationInput.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -44,6 +44,7 @@
         /// </summary>
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic station to use during the calculation.</param>
         /// <param name="hydraRingSection">The section to use during the calculation.</param>
+        /// <param name="forelandPoints">The foreland points to use during the calculation.</param>
         /// <param name="hydraRingGravitationalAcceleration">The gravitational acceleration to use during the calculation.</param>
         /// <param name="hydraRingFactorStormDurationOpenStructure">The factor of the storm duration for an open structure to use during the calculation.</param>
         /// <param name="hydraRingFailureProbabilityOpenStructure">The failure probability for an open structure to use during the calculation.</param>
@@ -74,6 +75,7 @@
         /// <param name="hydraRingWidthOfFlowAperturesMean">The mean of the width of flow apertures to use during the calculation.</param>
         /// <param name="hydraRingWidthOfFlowAperturesVariation">The variation of the width of flow apertures to use during the calculation.</param>
         public StructuresClosureVerticalWallCalculationInput(long hydraulicBoundaryLocationId, HydraRingSection hydraRingSection,
+                                                             IEnumerable<HydraRingForelandPoint> forelandPoints,
                                                              double hydraRingGravitationalAcceleration, double hydraRingFactorStormDurationOpenStructure,
                                                              double hydraRingFailureProbabilityOpenStructure, double hydraRingFailureProbabilityReparation,
                                                              double hydraRingIdenticalAperture, double hydraRingAllowableIncreaseOfLevelForStorageMean,
@@ -89,7 +91,7 @@
                                                              double hydraRingModelFactorOvertoppingSupercriticalFlowStandardDeviation, double hydraRingLevelCrestOfStructuresNotClosingMean,
                                                              double hydraRingLevelCrestOfStructuresNotClosingStandardDeviation, double hydraRingWidthOfFlowAperturesMean,
                                                              double hydraRingWidthOfFlowAperturesVariation)
-            : base(hydraulicBoundaryLocationId, hydraRingSection,
+            : base(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                    hydraRingGravitationalAcceleration, hydraRingFactorStormDurationOpenStructure,
                    hydraRingFailureProbabilityOpenStructure, hydraRingFailureProbabilityReparation,
                    hydraRingIdenticalAperture, hydraRingAllowableIncreaseOfLevelForStorageMean,
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureCalculationInputTest.cs
===================================================================
diff -u -r63ac397116210e4f1c7ac94c45459fffd1f3ec0a -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureCalculationInputTest.cs	(.../StructuresClosureCalculationInputTest.cs)	(revision 63ac397116210e4f1c7ac94c45459fffd1f3ec0a)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureCalculationInputTest.cs	(.../StructuresClosureCalculationInputTest.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -39,6 +39,7 @@
             // Setup
             const int hydraulicBoundaryLocationId = 1000;
             var hydraRingSection = new HydraRingSection(1, double.NaN, double.NaN);
+            var forelandPoints = Enumerable.Empty<HydraRingForelandPoint>();
 
             const double gravitationalAcceleration = 9.81;
             const double factorStormDurationOpenStructure = 0.1;
@@ -62,7 +63,7 @@
             const double probabilityOpenStructureBeforeFlooding = 0.04;
 
             // Call
-            var input = new TestStructuresClosureCalculationInput(hydraulicBoundaryLocationId, hydraRingSection,
+            var input = new TestStructuresClosureCalculationInput(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                                                                   gravitationalAcceleration, factorStormDurationOpenStructure,
                                                                   failureProbabilityOpenStructure, failureProbabilityReparation,
                                                                   identicalAperture, allowableIncreaseOfLevelForStorageMean,
@@ -81,6 +82,7 @@
             Assert.AreEqual(65, input.VariableId);
             Assert.AreEqual(HydraRingFailureMechanismType.StructuresClosure, input.FailureMechanismType);
             Assert.AreSame(hydraRingSection, input.Section);
+            Assert.AreSame(forelandPoints, input.ForelandsPoints);
             HydraRingVariableAssert.AreEqual(GetDefaultOvertoppingVariables().ToArray(), input.Variables.ToArray());
         }
 
@@ -105,6 +107,7 @@
         private class TestStructuresClosureCalculationInput : StructuresClosureCalculationInput
         {
             public TestStructuresClosureCalculationInput(long hydraulicBoundaryLocationId, HydraRingSection hydraRingSection,
+                                                         IEnumerable<HydraRingForelandPoint> forelandPoints,
                                                          double hydraRingGravitationalAcceleration, double hydraRingFactorStormDurationOpenStructure,
                                                          double hydraRingFailureProbabilityOpenStructure, double hydraRingFailureProbabilityReparation,
                                                          double hydraRingIdenticalAperture, double hydraRingAllowableIncreaseOfLevelForStorageMean,
@@ -115,7 +118,7 @@
                                                          double hydraRingCriticalOvertoppingDischargeMean, double hydraRingCriticalOvertoppingDischargeVariation,
                                                          double hydraRingFailureProbabilityOfStructureGivenErosion, double hydraRingStormDurationMean,
                                                          double hydraRingStormDurationVariation, double hydraRingProbabilityOpenStructureBeforeFlooding)
-                : base(hydraulicBoundaryLocationId, hydraRingSection,
+                : base(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                        hydraRingGravitationalAcceleration, hydraRingFactorStormDurationOpenStructure,
                        hydraRingFailureProbabilityOpenStructure, hydraRingFailureProbabilityReparation,
                        hydraRingIdenticalAperture, hydraRingAllowableIncreaseOfLevelForStorageMean,
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInputTest.cs
===================================================================
diff -u -r005a3c4605da079014376d3ba779cb1478dcdaec -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInputTest.cs	(.../StructuresClosureFloodedCulvertCalculationInputTest.cs)	(revision 005a3c4605da079014376d3ba779cb1478dcdaec)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureFloodedCulvertCalculationInputTest.cs	(.../StructuresClosureFloodedCulvertCalculationInputTest.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -37,6 +37,7 @@
             // Setup
             const int hydraulicBoundaryLocationId = 1000;
             var hydraRingSection = new HydraRingSection(1, double.NaN, double.NaN);
+            var forelandPoints = Enumerable.Empty<HydraRingForelandPoint>();
 
             const double gravitationalAcceleration = 9.81;
             const double factorStormDurationOpenStructure = 0.1;
@@ -66,7 +67,7 @@
             const double waterLevelInsideStandardDeviation = 0.1;
 
             // Call
-            var input = new StructuresClosureFloodedCulvertCalculationInput(hydraulicBoundaryLocationId, hydraRingSection,
+            var input = new StructuresClosureFloodedCulvertCalculationInput(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                                                                             gravitationalAcceleration, factorStormDurationOpenStructure,
                                                                             failureProbabilityOpenStructure, failureProbabilityReparation,
                                                                             identicalAperture, allowableIncreaseOfLevelForStorageMean,
@@ -88,6 +89,7 @@
             Assert.AreEqual(65, input.VariableId);
             Assert.AreEqual(HydraRingFailureMechanismType.StructuresClosure, input.FailureMechanismType);
             Assert.AreSame(hydraRingSection, input.Section);
+            Assert.AreSame(forelandPoints, input.ForelandsPoints);
             HydraRingVariableAssert.AreEqual(GetDefaultOvertoppingVariables().ToArray(), input.Variables.ToArray());
         }
 
@@ -100,6 +102,7 @@
         {
             // Setup
             var input = new StructuresClosureFloodedCulvertCalculationInput(111, new HydraRingSection(1, double.NaN, double.NaN),
+                                                                            Enumerable.Empty<HydraRingForelandPoint>(),
                                                                             1.1, 222, 333, 5.5, 6.6, 7.7, 8.8, 11, 22, 33, 44, 55,
                                                                             66, 77, 88, 99, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21);
 
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs
===================================================================
diff -u -r8efa69259273360cbc69986142938d7e1e826b2a -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs	(.../StructuresClosureLowSillCalculationInputTest.cs)	(revision 8efa69259273360cbc69986142938d7e1e826b2a)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs	(.../StructuresClosureLowSillCalculationInputTest.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -37,6 +37,7 @@
             // Setup
             const int hydraulicBoundaryLocationId = 1000;
             var hydraRingSection = new HydraRingSection(1, double.NaN, double.NaN);
+            var forelandPoints = Enumerable.Empty<HydraRingForelandPoint>();
 
             const double gravitationalAcceleration = 9.81;
             const double factorStormDurationOpenStructure = 0.1;
@@ -70,7 +71,7 @@
             const double waterLevelInsideStandardDeviation = 0.1;
 
             // Call
-            var input = new StructuresClosureLowSillCalculationInput(hydraulicBoundaryLocationId, hydraRingSection,
+            var input = new StructuresClosureLowSillCalculationInput(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                                                                      gravitationalAcceleration, factorStormDurationOpenStructure,
                                                                      failureProbabilityOpenStructure, failureProbabilityReparation,
                                                                      identicalAperture, allowableIncreaseOfLevelForStorageMean,
@@ -94,6 +95,7 @@
             Assert.AreEqual(65, input.VariableId);
             Assert.AreEqual(HydraRingFailureMechanismType.StructuresClosure, input.FailureMechanismType);
             Assert.AreSame(hydraRingSection, input.Section);
+            Assert.AreSame(forelandPoints, input.ForelandsPoints);
             HydraRingVariableAssert.AreEqual(GetDefaultOvertoppingVariables().ToArray(), input.Variables.ToArray());
         }
 
@@ -106,6 +108,7 @@
         {
             // Setup
             var input = new StructuresClosureLowSillCalculationInput(111, new HydraRingSection(1, double.NaN, double.NaN),
+                                                                     Enumerable.Empty<HydraRingForelandPoint>(),
                                                                      1.1, 222, 333, 5.5, 6.6, 7.7, 8.8, 11, 22, 33, 44, 55,
                                                                      66, 77, 88, 99, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
                                                                      22, 23, 24, 25);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureVerticalWallCalculationInputTest.cs
===================================================================
diff -u -r63ac397116210e4f1c7ac94c45459fffd1f3ec0a -r9806465f26a0c0e98420161d43c2e1b64ac6b0b4
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureVerticalWallCalculationInputTest.cs	(.../StructuresClosureVerticalWallCalculationInputTest.cs)	(revision 63ac397116210e4f1c7ac94c45459fffd1f3ec0a)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureVerticalWallCalculationInputTest.cs	(.../StructuresClosureVerticalWallCalculationInputTest.cs)	(revision 9806465f26a0c0e98420161d43c2e1b64ac6b0b4)
@@ -37,6 +37,7 @@
             // Setup
             const int hydraulicBoundaryLocationId = 1000;
             var hydraRingSection = new HydraRingSection(1, double.NaN, double.NaN);
+            var forelandPoints = Enumerable.Empty<HydraRingForelandPoint>();
 
             const double gravitationalAcceleration = 9.81;
             const double factorStormDurationOpenStructure = 0.1;
@@ -69,7 +70,7 @@
             const double widthOfFlowAperturesVariation = 0.05;
 
             // Call
-            var input = new StructuresClosureVerticalWallCalculationInput(hydraulicBoundaryLocationId, hydraRingSection,
+            var input = new StructuresClosureVerticalWallCalculationInput(hydraulicBoundaryLocationId, hydraRingSection, forelandPoints,
                                                                           gravitationalAcceleration, factorStormDurationOpenStructure,
                                                                           failureProbabilityOpenStructure, failureProbabilityReparation,
                                                                           identicalAperture, allowableIncreaseOfLevelForStorageMean,
@@ -93,6 +94,7 @@
             Assert.AreEqual(65, input.VariableId);
             Assert.AreEqual(HydraRingFailureMechanismType.StructuresClosure, input.FailureMechanismType);
             Assert.AreSame(hydraRingSection, input.Section);
+            Assert.AreSame(forelandPoints, input.ForelandsPoints);
             HydraRingVariableAssert.AreEqual(GetDefaultOvertoppingVariables().ToArray(), input.Variables.ToArray());
         }
 
@@ -105,6 +107,7 @@
         {
             // Setup
             var input = new StructuresClosureVerticalWallCalculationInput(111, new HydraRingSection(1, double.NaN, double.NaN),
+                                                                          Enumerable.Empty<HydraRingForelandPoint>(),
                                                                           1.1, 222, 333, 5.5, 6.6, 7.7, 8.8, 11, 22, 33, 44, 55,
                                                                           66, 77, 88, 99, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
                                                                           22, 23, 24);