Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresCalculation.cs
===================================================================
diff -u -r8047e7fd59525ed424105aaefc4ee88b9ae8def6 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresCalculation.cs	(.../HeightStructuresCalculation.cs)	(revision 8047e7fd59525ed424105aaefc4ee88b9ae8def6)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresCalculation.cs	(.../HeightStructuresCalculation.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -22,6 +22,7 @@
 using System;
 using Core.Common.Base;
 using Ringtoets.Common.Data.Calculation;
+using Ringtoets.Common.Data.Probability;
 using Ringtoets.HeightStructures.Data.Properties;
 
 namespace Ringtoets.HeightStructures.Data
@@ -34,11 +35,21 @@
         /// <summary>
         /// Creates a new instance of <see cref="HeightStructuresCalculation"/>.
         /// </summary>
-        /// <param name="generalInputParameters">General grass cover erosion inwards calculation input parameters that apply to each calculation.</param>
-        /// <exception cref="ArgumentNullException">When <paramref name="generalInputParameters"/> is <c>null</c>.</exception>
-        public HeightStructuresCalculation(GeneralHeightStructuresInput generalInputParameters)
+        /// <param name="generalInputParameters">General height structures calculation input parameters that apply to each calculation.</param>
+        /// <param name="normProbabilityInput">General norm probabilistic parameters that apply to each 
+        /// calculation.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <list type="bullet">
+        /// <item><paramref name="generalInputParameters"/> is <c>null</c>.</item>
+        /// <item><paramref name="normProbabilityInput"/> is <c>null</c>.</item>
+        /// </list> </exception>
+        public HeightStructuresCalculation(GeneralHeightStructuresInput generalInputParameters, NormProbabilityInput normProbabilityInput)
         {
+            if (normProbabilityInput == null)
+            {
+                throw new ArgumentNullException("normProbabilityInput");
+            }
             InputParameters = new HeightStructuresInput(generalInputParameters);
+            NormProbabilityInput = normProbabilityInput;
             Name = Resources.HeightStructuresCalculation_DefaultName;
         }
 
@@ -48,6 +59,11 @@
         public HeightStructuresInput InputParameters { get; private set; }
 
         /// <summary>
+        /// Gets the length-effect parameters.
+        /// </summary>
+        public NormProbabilityInput NormProbabilityInput { get; private set; }
+
+        /// <summary>
         /// Gets or sets <see cref="ProbabilisticOutput"/>, which contains the results of a height structures calculation.
         /// </summary>
         public ProbabilisticOutput Output { get; set; }
Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresGuiPlugin.cs
===================================================================
diff -u -r4aa6d896646fee50b7bc6fadd9c2251b4fdd4f2e -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresGuiPlugin.cs	(.../HeightStructuresGuiPlugin.cs)	(revision 4aa6d896646fee50b7bc6fadd9c2251b4fdd4f2e)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresGuiPlugin.cs	(.../HeightStructuresGuiPlugin.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -309,7 +309,7 @@
 
         private static void AddCalculation(HeightStructuresCalculationGroupContext context)
         {
-            var calculation = new HeightStructuresCalculation(context.FailureMechanism.GeneralInput)
+            var calculation = new HeightStructuresCalculation(context.FailureMechanism.GeneralInput, context.FailureMechanism.NormProbabilityInput)
             {
                 Name = NamingHelper.GetUniqueName(context.WrappedData.Children, HeightStructuresDataResources.HeightStructuresCalculation_DefaultName, c => c.Name)
             };
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresCalculationTest.cs
===================================================================
diff -u -r8047e7fd59525ed424105aaefc4ee88b9ae8def6 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresCalculationTest.cs	(.../HeightStructuresCalculationTest.cs)	(revision 8047e7fd59525ed424105aaefc4ee88b9ae8def6)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresCalculationTest.cs	(.../HeightStructuresCalculationTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -23,6 +23,7 @@
 using Core.Common.Base;
 using NUnit.Framework;
 using Ringtoets.Common.Data.Calculation;
+using Ringtoets.Common.Data.Probability;
 
 namespace Ringtoets.HeightStructures.Data.Test
 {
@@ -32,28 +33,47 @@
         [Test]
         public void Constructor_NullGeneralInput_ThrowsArgumentNullException()
         {
-            // Setup & Call
-            TestDelegate test = () => new HeightStructuresCalculation(null);
+            // Setup
+            var normProbabilityInput = new NormProbabilityInput();
 
+            // Call
+            TestDelegate test = () => new HeightStructuresCalculation(null, normProbabilityInput);
+
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(test);
             Assert.AreEqual("generalInputParameters", exception.ParamName);
         }
 
         [Test]
+        public void Constructor_NullNormProbabilityInput_ThrowsArgumentNullException()
+        {
+            // Setup
+            var generalInput = new GeneralHeightStructuresInput();
+
+            // Call
+            TestDelegate test = () => new HeightStructuresCalculation(generalInput, null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("normProbabilityInput", exception.ParamName);
+        }
+
+        [Test]
         public void Constructor_DefaultPropertyValuesAreSet()
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
+            var normProbabilityInput = new NormProbabilityInput();
 
             // Call
-            var calculation = new HeightStructuresCalculation(generalInput);
+            var calculation = new HeightStructuresCalculation(generalInput, normProbabilityInput);
 
             // Assert
             Assert.IsInstanceOf<ICalculation>(calculation);
             Assert.IsInstanceOf<Observable>(calculation);
             Assert.AreEqual("Nieuwe berekening", calculation.Name);
             Assert.IsNotNull(calculation.InputParameters);
+            Assert.AreEqual(normProbabilityInput, calculation.NormProbabilityInput);
             Assert.IsNull(calculation.Comments);
             Assert.IsFalse(calculation.HasOutput);
         }
@@ -63,7 +83,8 @@
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
-            var calculation = new HeightStructuresCalculation(generalInput)
+            var normProbabilityInput = new NormProbabilityInput();
+            var calculation = new HeightStructuresCalculation(generalInput, normProbabilityInput)
             {
                 Output = new TestHeightStructuresOutput()
             };
@@ -80,7 +101,8 @@
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
-            var calculation = new HeightStructuresCalculation(generalInput)
+            var normProbabilityInput = new NormProbabilityInput();
+            var calculation = new HeightStructuresCalculation(generalInput, normProbabilityInput)
             {
                 Output = null
             };
@@ -94,7 +116,8 @@
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
-            var calculation = new HeightStructuresCalculation(generalInput)
+            var normProbabilityInput = new NormProbabilityInput();
+            var calculation = new HeightStructuresCalculation(generalInput, normProbabilityInput)
             {
                 Output = new TestHeightStructuresOutput()
             };
@@ -108,7 +131,8 @@
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
-            var calculation = new HeightStructuresCalculation(generalInput);
+            var normProbabilityInput = new NormProbabilityInput();
+            var calculation = new HeightStructuresCalculation(generalInput, normProbabilityInput);
 
             // Call
             ICalculationInput input = calculation.GetObservableInput();
@@ -122,7 +146,8 @@
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
-            var calculation = new HeightStructuresCalculation(generalInput)
+            var normProbabilityInput = new NormProbabilityInput();
+            var calculation = new HeightStructuresCalculation(generalInput, normProbabilityInput)
             {
                 Output = new TestHeightStructuresOutput()
             };
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresFailureMechanismTest.cs
===================================================================
diff -u -rb60b7e12cf211bdbe11e0a54734fa097e8ef2146 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresFailureMechanismTest.cs	(.../HeightStructuresFailureMechanismTest.cs)	(revision b60b7e12cf211bdbe11e0a54734fa097e8ef2146)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresFailureMechanismTest.cs	(.../HeightStructuresFailureMechanismTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -25,6 +25,7 @@
 using Rhino.Mocks;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.FailureMechanism;
+using Ringtoets.Common.Data.Probability;
 
 namespace Ringtoets.HeightStructures.Data.Test
 {
@@ -100,16 +101,17 @@
             // Setup
             var mocks = new MockRepository();
             var generalInput = new GeneralHeightStructuresInput();
+            var normProbabilityInput = new NormProbabilityInput();
             var failureMechanism = new HeightStructuresFailureMechanism
             {
                 CalculationsGroup =
                 {
                     Children =
                     {
                         new CalculationGroup(),
-                        new HeightStructuresCalculation(generalInput),
+                        new HeightStructuresCalculation(generalInput, normProbabilityInput),
                         mocks.StrictMock<ICalculation>(),
-                        new HeightStructuresCalculation(generalInput)
+                        new HeightStructuresCalculation(generalInput, normProbabilityInput)
                     }
                 }
             };
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PresentationObjects/HeightStructuresCalculationContextTest.cs
===================================================================
diff -u -rb60b7e12cf211bdbe11e0a54734fa097e8ef2146 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PresentationObjects/HeightStructuresCalculationContextTest.cs	(.../HeightStructuresCalculationContextTest.cs)	(revision b60b7e12cf211bdbe11e0a54734fa097e8ef2146)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/PresentationObjects/HeightStructuresCalculationContextTest.cs	(.../HeightStructuresCalculationContextTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -44,7 +44,7 @@
         {
             // Setup
             var failureMechanism = new HeightStructuresFailureMechanism();
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput);
             var assessmentSectionMock = mocksRepository.StrictMock<IAssessmentSection>();
             mocksRepository.ReplayAll();
 
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationContextTreeNodeInfoTest.cs
===================================================================
diff -u -r4aa6d896646fee50b7bc6fadd9c2251b4fdd4f2e -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationContextTreeNodeInfoTest.cs)	(revision 4aa6d896646fee50b7bc6fadd9c2251b4fdd4f2e)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationContextTreeNodeInfoTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -96,7 +96,7 @@
             mocks.ReplayAll();
 
             var failureMechanism = new HeightStructuresFailureMechanism();
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput);
             var calculationContext = new HeightStructuresCalculationContext(calculation, failureMechanism, assessmentSectionMock);
 
             // Call
@@ -126,7 +126,7 @@
             mocks.ReplayAll();
 
             var failureMechanism = new HeightStructuresFailureMechanism();
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput)
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput)
             {
                 Output = new TestHeightStructuresOutput()
             };
@@ -161,7 +161,7 @@
             var treeViewControlMock = mocks.StrictMock<TreeViewControl>();
             var failureMechanism = new HeightStructuresFailureMechanism();
             var assessmentSectionMock = mocks.StrictMock<IAssessmentSection>();
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput);
             var nodeData = new HeightStructuresCalculationContext(calculation, failureMechanism, assessmentSectionMock);
             var menuBuilderMock = mocks.StrictMock<IContextMenuBuilder>();
 
@@ -200,7 +200,7 @@
             var treeViewControlMock = mocks.StrictMock<TreeViewControl>();
             var failureMechanism = new HeightStructuresFailureMechanism();
             var assessmentSectionMock = mocks.StrictMock<IAssessmentSection>();
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput);
             var nodeData = new HeightStructuresCalculationContext(calculation, failureMechanism, assessmentSectionMock);
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
@@ -236,7 +236,7 @@
             // Setup
             var group = new CalculationGroup();
             var failureMechanism = new HeightStructuresFailureMechanism();
-            var elementToBeRemoved = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var elementToBeRemoved = new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput);
             var observerMock = mocks.StrictMock<IObserver>();
             var assessmentSectionMock = mocks.StrictMock<IAssessmentSection>();
             var calculationContext = new HeightStructuresCalculationContext(elementToBeRemoved,
@@ -251,7 +251,7 @@
             mocks.ReplayAll();
 
             group.Children.Add(elementToBeRemoved);
-            group.Children.Add(new HeightStructuresCalculation(failureMechanism.GeneralInput));
+            group.Children.Add(new HeightStructuresCalculation(failureMechanism.GeneralInput, failureMechanism.NormProbabilityInput));
             group.Attach(observerMock);
 
             // Precondition
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -rb60b7e12cf211bdbe11e0a54734fa097e8ef2146 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs)	(revision b60b7e12cf211bdbe11e0a54734fa097e8ef2146)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs	(.../HeightStructuresCalculationGroupContextTreeNodeInfoTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -116,7 +116,8 @@
             var failureMechanism = new HeightStructuresFailureMechanism();
             var group = new CalculationGroup();
             var childGroup = new CalculationGroup();
-            var childCalculation = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var childCalculation = new HeightStructuresCalculation(failureMechanism.GeneralInput,
+                                                                   failureMechanism.NormProbabilityInput);
 
             group.Children.Add(childGroup);
             group.Children.Add(calculationItemMock);
@@ -379,7 +380,8 @@
             var nodeData = new HeightStructuresCalculationGroupContext(group,
                                                                        failureMechanism,
                                                                        assessmentSectionMock);
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput)
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput,
+                                                              failureMechanism.NormProbabilityInput)
             {
                 Name = "Nieuwe berekening"
             };
@@ -461,7 +463,8 @@
             var parentNodeData = new HeightStructuresCalculationGroupContext(parentGroup,
                                                                              failureMechanism,
                                                                              assessmentSectionMock);
-            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput);
+            var calculation = new HeightStructuresCalculation(failureMechanism.GeneralInput,
+                                                              failureMechanism.NormProbabilityInput);
 
             observerMock.Expect(o => o.UpdateObserver());
 
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresInputContextTreeNodeInfoTest.cs
===================================================================
diff -u -rb60b7e12cf211bdbe11e0a54734fa097e8ef2146 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresInputContextTreeNodeInfoTest.cs	(.../HeightStructuresInputContextTreeNodeInfoTest.cs)	(revision b60b7e12cf211bdbe11e0a54734fa097e8ef2146)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Forms.Test/TreeNodeInfos/HeightStructuresInputContextTreeNodeInfoTest.cs	(.../HeightStructuresInputContextTreeNodeInfoTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -27,6 +27,7 @@
 using NUnit.Framework;
 using Rhino.Mocks;
 using Ringtoets.Common.Data.AssessmentSection;
+using Ringtoets.Common.Data.Probability;
 using Ringtoets.HeightStructures.Data;
 using Ringtoets.HeightStructures.Forms.PresentationObjects;
 using Ringtoets.HeightStructures.Plugin;
@@ -79,10 +80,11 @@
         {
             // Setup
             var generalInput = new GeneralHeightStructuresInput();
+            var normProbabilityInput = new NormProbabilityInput();
             var assessmentSectionMock = mocksRepository.StrictMock<IAssessmentSection>();
             var heightStructuresInputContext = new HeightStructuresInputContext(
                 new HeightStructuresInput(new GeneralHeightStructuresInput()),
-                new HeightStructuresCalculation(generalInput),
+                new HeightStructuresCalculation(generalInput, normProbabilityInput),
                 new HeightStructuresFailureMechanism(),
                 assessmentSectionMock);
 
@@ -102,9 +104,10 @@
             // Setup
             var assessmentSectionMock = mocksRepository.StrictMock<IAssessmentSection>();
             var generalInput = new GeneralHeightStructuresInput();
+            var normProbabilityInput = new NormProbabilityInput();
             var heightStructuresInputContext = new HeightStructuresInputContext(
                 new HeightStructuresInput(new GeneralHeightStructuresInput()),
-                new HeightStructuresCalculation(generalInput),
+                new HeightStructuresCalculation(generalInput, normProbabilityInput),
                 new HeightStructuresFailureMechanism(),
                 assessmentSectionMock);
 
@@ -117,6 +120,7 @@
             TestHelper.AssertImagesAreEqual(RingtoetsCommonFormsResources.GenericInputOutputIcon, image);
 
             mocksRepository.VerifyAll();
+
         }
 
         [Test]
Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/AssessmentSectionTest.cs
===================================================================
diff -u -r20bb156dfc129b1602ddbcddc73c0806807f19ab -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/AssessmentSectionTest.cs	(.../AssessmentSectionTest.cs)	(revision 20bb156dfc129b1602ddbcddc73c0806807f19ab)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/AssessmentSectionTest.cs	(.../AssessmentSectionTest.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -28,9 +28,6 @@
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.Contribution;
 using Ringtoets.Common.Data.FailureMechanism;
-using Ringtoets.GrassCoverErosionInwards.Data;
-using Ringtoets.Integration.Data.StandAlone;
-using Ringtoets.Piping.Data;
 using RingtoetsIntegrationResources = Ringtoets.Integration.Data.Properties.Resources;
 
 namespace Ringtoets.Integration.Data.Test
@@ -91,7 +88,7 @@
                 duneErosionName,
                 otherName
             };
-            
+
             var codes = new[]
             {
                 pipingCode,
@@ -151,6 +148,8 @@
             Assert.AreEqual(30000.0, section.PipingFailureMechanism.NormProbabilityInput.Norm);
             Assert.AreEqual(double.NaN, section.PipingFailureMechanism.NormProbabilityInput.SectionLength);
 
+            Assert.AreEqual(30000.0, section.HeightStructures.NormProbabilityInput.Norm);
+
             Assert.AreEqual(sum, section.FailureMechanismContribution.Distribution.Sum(d => d.Contribution));
         }
 
@@ -254,25 +253,6 @@
             Assert.AreEqual(expectedNorm, otherContributionItem.ProbabilitySpace);
         }
 
-        private IFailureMechanism[] GetExpectedContributingFailureMechanisms(AssessmentSection section)
-        {
-            return new IFailureMechanism[]
-            {
-                section.PipingFailureMechanism,
-                section.GrassCoverErosionInwards,
-                section.MacrostabilityInwards,
-                section.StabilityStoneCover,
-                section.WaveImpactAsphaltCover,
-                section.GrassCoverErosionOutwards,
-                section.GrassCoverSlipOffOutwards,
-                section.HeightStructures,
-                section.ClosingStructure,
-                section.PipingStructure,
-                section.StrengthStabilityPointConstruction,
-                section.DuneErosion,
-            };
-        }
-
         [Test]
         [TestCase(AssessmentSectionComposition.Dike)]
         [TestCase(AssessmentSectionComposition.Dune)]
@@ -347,6 +327,25 @@
             Assert.AreEqual(double.NaN, assessmentSection.PipingFailureMechanism.NormProbabilityInput.SectionLength);
         }
 
+        private IFailureMechanism[] GetExpectedContributingFailureMechanisms(AssessmentSection section)
+        {
+            return new IFailureMechanism[]
+            {
+                section.PipingFailureMechanism,
+                section.GrassCoverErosionInwards,
+                section.MacrostabilityInwards,
+                section.StabilityStoneCover,
+                section.WaveImpactAsphaltCover,
+                section.GrassCoverErosionOutwards,
+                section.GrassCoverSlipOffOutwards,
+                section.HeightStructures,
+                section.ClosingStructure,
+                section.PipingStructure,
+                section.StrengthStabilityPointConstruction,
+                section.DuneErosion,
+            };
+        }
+
         private void AssertExpectedContributions(AssessmentSectionComposition composition, AssessmentSection assessmentSection)
         {
             double[] contributions = GetContributionsArray(composition);