Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/DikeHeightOutputContextTreeNodeInfoTest.cs
===================================================================
diff -u -r19fe78dad099e732a640666a868b42d93b599991 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/DikeHeightOutputContextTreeNodeInfoTest.cs	(.../DikeHeightOutputContextTreeNodeInfoTest.cs)	(revision 19fe78dad099e732a640666a868b42d93b599991)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/DikeHeightOutputContextTreeNodeInfoTest.cs	(.../DikeHeightOutputContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -100,7 +100,7 @@
         public void ForeColor_HasNoOutput_ReturnGrayText()
         {
             // Setup
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(
                     new TestOvertoppingOutput(0.5),
@@ -119,7 +119,7 @@
         public void ForeColor_HasOutput_ReturnControlText()
         {
             // Setup
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(
                     new TestOvertoppingOutput(0.5),
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationContextTreeNodeInfoTest.cs
===================================================================
diff -u -r72ecf8d28448698d9077f780cd0afc6b07101b54 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationContextTreeNodeInfoTest.cs)	(revision 72ecf8d28448698d9077f780cd0afc6b07101b54)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -120,7 +120,7 @@
             mocks.ReplayAll();
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = hasOutput
                              ? new TestGrassCoverErosionInwardsOutput()
@@ -154,7 +154,7 @@
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
             var assessmentSection = new AssessmentSectionStub();
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
             var menuBuilder = mocks.StrictMock<IContextMenuBuilder>();
@@ -215,7 +215,7 @@
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(hydraulicBoundaryDatabase);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
@@ -278,7 +278,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
@@ -313,7 +313,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -355,7 +355,7 @@
 
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -397,7 +397,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -446,7 +446,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -510,7 +510,7 @@
 
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -573,7 +573,7 @@
             // Setup
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
@@ -605,7 +605,7 @@
             // Setup
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(null, mocks, "invalidFilePath");
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
@@ -649,7 +649,7 @@
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(hydraulicBoundaryDatabase);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
@@ -680,7 +680,7 @@
             // Setup
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
@@ -712,7 +712,7 @@
             // Setup
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(null, mocks, "invalidFilePath");
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
@@ -755,7 +755,7 @@
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(hydraulicBoundaryDatabase);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
             var nodeData = new GrassCoverErosionInwardsCalculationScenarioContext(calculation, parent, failureMechanism, assessmentSection);
 
@@ -811,7 +811,7 @@
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(hydraulicBoundaryDatabase);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -899,7 +899,7 @@
             assessmentSection.Stub(a => a.HydraulicBoundaryDatabase).Return(hydraulicBoundaryDatabase);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 InputParameters =
                 {
@@ -977,7 +977,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -1012,7 +1012,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = new TestGrassCoverErosionInwardsOutput(new TestGeneralResultFaultTreeIllustrationPoint())
             };
@@ -1064,7 +1064,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
 
             var parent = new CalculationGroup();
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = new TestGrassCoverErosionInwardsOutput(new TestGeneralResultFaultTreeIllustrationPoint())
             };
@@ -1115,7 +1115,7 @@
         {
             // Setup
             var group = new CalculationGroup();
-            var elementToBeRemoved = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var elementToBeRemoved = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
             var observer = mocks.StrictMock<IObserver>();
             var assessmentSection = mocks.Stub<IAssessmentSection>();
@@ -1133,7 +1133,7 @@
             mocks.ReplayAll();
 
             group.Children.Add(elementToBeRemoved);
-            group.Children.Add(new GrassCoverErosionInwardsCalculationScenario(0.1));
+            group.Children.Add(new GrassCoverErosionInwardsCalculationScenario());
             group.Attach(observer);
 
             // Precondition
@@ -1184,21 +1184,21 @@
         private static IEnumerable<TestCaseData> GetCalculationConfigurationsWithIllustrationPoints()
         {
             var random = new Random(21);
-            var calculationWithOverToppingOutputWithIllustrationPoints = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculationWithOverToppingOutputWithIllustrationPoints = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(new TestGeneralResultFaultTreeIllustrationPoint()),
                                                             null,
                                                             null)
             };
 
-            var calculationWithDikeHeightRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculationWithDikeHeightRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(random.NextDouble()),
                                                             new TestDikeHeightOutput(new TestGeneralResultFaultTreeIllustrationPoint()),
                                                             null)
             };
 
-            var calculationWithOvertoppingRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculationWithOvertoppingRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculationScenario
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(random.NextDouble()),
                                                             null,
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs
===================================================================
diff -u -r19fe78dad099e732a640666a868b42d93b599991 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs)	(revision 19fe78dad099e732a640666a868b42d93b599991)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationGroupContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -148,7 +148,7 @@
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
             var group = new CalculationGroup();
             var childGroup = new CalculationGroup();
-            var childCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var childCalculation = new GrassCoverErosionInwardsCalculationScenario();
 
             group.Children.Add(childGroup);
             group.Children.Add(calculationItem);
@@ -433,12 +433,12 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             var nodeData = new GrassCoverErosionInwardsCalculationGroupContext(group,
@@ -555,7 +555,7 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
@@ -595,7 +595,7 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation
                     {
                         InputParameters =
                         {
@@ -642,7 +642,7 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation
                     {
                         InputParameters =
                         {
@@ -694,7 +694,7 @@
             var calculation2Observer = mocks.StrictMock<IObserver>();
 
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
-            var calculation1 = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation1 = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -704,7 +704,7 @@
             calculation1.Attach(calculation1Observer);
             calculation1.InputParameters.Attach(calculation1InputObserver);
 
-            var calculation2 = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation2 = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -766,7 +766,7 @@
             var calculation2Observer = mocks.StrictMock<IObserver>();
 
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
-            var calculation1 = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation1 = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -777,7 +777,7 @@
             calculation1.Attach(calculation1Observer);
             calculation1.InputParameters.Attach(calculation1InputObserver);
 
-            var calculation2 = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation2 = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -858,7 +858,7 @@
             calculation2Observer.Expect(obs => obs.UpdateObserver());
 
             DikeProfile dikeProfile = DikeProfileTestFactory.CreateDikeProfile();
-            var calculation1 = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation1 = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -869,7 +869,7 @@
             calculation1.Attach(calculation1Observer);
             calculation1.InputParameters.Attach(calculation1InputObserver);
 
-            var calculation2 = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation2 = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -942,12 +942,12 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(null, mocks, "invalidFilePath");
 
@@ -998,14 +998,14 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
             string validFilePath = Path.Combine(testDataPath, "complete.sqlite");
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             var hydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
             {
@@ -1050,12 +1050,12 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             var nodeData = new GrassCoverErosionInwardsCalculationGroupContext(group,
@@ -1105,12 +1105,12 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(null, mocks, "invalidFilePath");
 
@@ -1162,14 +1162,14 @@
             {
                 Children =
                 {
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
             string validFilePath = Path.Combine(testDataPath, "complete.sqlite");
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             var hydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
             {
@@ -1284,7 +1284,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -1295,7 +1295,7 @@
                 {
                     calculationWithIllustrationPoints,
                     calculationWithOutput,
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
@@ -1326,7 +1326,7 @@
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocks);
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -1336,7 +1336,7 @@
                 Children =
                 {
                     calculationWithOutput,
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
@@ -1364,12 +1364,12 @@
         public void GivenCalculationsWithIllustrationPoints_WhenClearIllustrationPointsClickedAndAborted_ThenInquiryAndIllustrationPointsNotCleared()
         {
             // Given
-            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput(new TestGeneralResultFaultTreeIllustrationPoint())
             };
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -1380,7 +1380,7 @@
                 {
                     calculationWithIllustrationPoints,
                     calculationWithOutput,
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
@@ -1431,12 +1431,12 @@
         public void GivenCalculationsWithIllustrationPoints_WhenClearIllustrationPointsClickedAndContinued_ThenInquiryAndIllustrationPointsCleared()
         {
             // Given
-            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput(new TestGeneralResultFaultTreeIllustrationPoint())
             };
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -1447,7 +1447,7 @@
                 {
                     calculationWithIllustrationPoints,
                     calculationWithOutput,
-                    new GrassCoverErosionInwardsCalculation(0.1)
+                    new GrassCoverErosionInwardsCalculation()
                 }
             };
 
@@ -1505,7 +1505,7 @@
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "A",
                 InputParameters =
@@ -1514,7 +1514,7 @@
                     DikeProfile = DikeProfileTestFactory.CreateDikeProfile()
                 }
             });
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "B",
                 InputParameters =
@@ -1575,7 +1575,7 @@
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "A",
                 InputParameters =
@@ -1584,7 +1584,7 @@
                     DikeProfile = DikeProfileTestFactory.CreateDikeProfile()
                 }
             });
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "B",
                 InputParameters =
@@ -1730,7 +1730,7 @@
                                                                                null,
                                                                                failureMechanism,
                                                                                assessmentSection);
-            var calculationItem = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationItem = new GrassCoverErosionInwardsCalculation
             {
                 Name = "Nieuwe berekening"
             };
@@ -1776,7 +1776,7 @@
             DikeProfile dikeProfile2 = DikeProfileTestFactory.CreateDikeProfile("Dike profile 2", "id2");
 
             var existingCalculationGroup = new CalculationGroup();
-            var existingCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1);
+            var existingCalculation = new GrassCoverErosionInwardsCalculationScenario();
             var failureMechanism = new GrassCoverErosionInwardsFailureMechanism
             {
                 CalculationsGroup =
@@ -1909,7 +1909,7 @@
                 {
                     Children =
                     {
-                        new GrassCoverErosionInwardsCalculationScenario(0.1)
+                        new GrassCoverErosionInwardsCalculationScenario
                         {
                             Name = existingCalculationName
                         }
@@ -2016,7 +2016,7 @@
                                                                                      null,
                                                                                      failureMechanism,
                                                                                      assessmentSection);
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1);
+            var calculation = new GrassCoverErosionInwardsCalculation();
 
             observer.Expect(o => o.UpdateObserver());
 
@@ -2077,21 +2077,21 @@
         private static IEnumerable<TestCaseData> GetCalculationConfigurationsWithIllustrationPoints()
         {
             var random = new Random(21);
-            var calculationWithOverToppingOutputWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOverToppingOutputWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(new TestGeneralResultFaultTreeIllustrationPoint()),
                                                             null,
                                                             null)
             };
 
-            var calculationWithDikeHeightRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithDikeHeightRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(random.NextDouble()),
                                                             new TestDikeHeightOutput(new TestGeneralResultFaultTreeIllustrationPoint()),
                                                             null)
             };
 
-            var calculationWithOvertoppingRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOvertoppingRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(random.NextDouble()),
                                                             null,
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationsContextTreeNodeInfoTest.cs
===================================================================
diff -u -r19fe78dad099e732a640666a868b42d93b599991 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationsContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationsContextTreeNodeInfoTest.cs)	(revision 19fe78dad099e732a640666a868b42d93b599991)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsCalculationsContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsCalculationsContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -257,7 +257,7 @@
         {
             // Setup
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocksRepository);
             var nodeData = new GrassCoverErosionInwardsCalculationsContext(failureMechanism, assessmentSection);
@@ -290,7 +290,7 @@
         {
             // Setup
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(null, mocksRepository, "invalidFilePath");
 
@@ -325,7 +325,7 @@
         {
             // Setup
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             string validFilePath = Path.Combine(testDataPath, "complete.sqlite");
 
@@ -368,7 +368,7 @@
         {
             // Setup
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocksRepository);
 
@@ -402,7 +402,7 @@
         {
             // Setup
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(null, mocksRepository, "invalidFilePath");
 
@@ -437,7 +437,7 @@
         {
             // Setup
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1));
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation());
 
             string validFilePath = Path.Combine(testDataPath, "complete.sqlite");
 
@@ -483,7 +483,7 @@
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "A",
                 InputParameters =
@@ -492,7 +492,7 @@
                     DikeProfile = DikeProfileTestFactory.CreateDikeProfile()
                 }
             });
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "B",
                 InputParameters =
@@ -581,7 +581,7 @@
             var menuBuilder = new CustomItemsOnlyContextMenuBuilder();
 
             var failureMechanism = new TestGrassCoverErosionInwardsFailureMechanism();
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "A",
                 InputParameters =
@@ -590,7 +590,7 @@
                     DikeProfile = DikeProfileTestFactory.CreateDikeProfile()
                 }
             });
-            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation(0.1)
+            failureMechanism.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculation
             {
                 Name = "B",
                 InputParameters =
@@ -648,7 +648,7 @@
             // Setup
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocksRepository);
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -661,7 +661,7 @@
                     {
                         calculation,
                         calculationWithOutput,
-                        new GrassCoverErosionInwardsCalculation(0.1)
+                        new GrassCoverErosionInwardsCalculation()
                     }
                 }
             };
@@ -695,7 +695,7 @@
             // Setup
             IAssessmentSection assessmentSection = AssessmentSectionTestHelper.CreateAssessmentSectionStub(mocksRepository);
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -707,7 +707,7 @@
                     Children =
                     {
                         calculationWithOutput,
-                        new GrassCoverErosionInwardsCalculation(0.1)
+                        new GrassCoverErosionInwardsCalculation()
                     }
                 }
             };
@@ -739,12 +739,12 @@
         public void GivenCalculationsWithIllustrationPoints_WhenClearIllustrationPointsClickedAndAborted_ThenInquiryAndIllustrationPointsNotCleared()
         {
             // Given
-            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput(new TestGeneralResultFaultTreeIllustrationPoint())
             };
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -760,7 +760,7 @@
                     {
                         calculationWithIllustrationPoints,
                         calculationWithOutput,
-                        new GrassCoverErosionInwardsCalculation(0.1)
+                        new GrassCoverErosionInwardsCalculation()
                     }
                 }
             };
@@ -809,12 +809,12 @@
         public void GivenCalculationsWithIllustrationPoints_WhenClearIllustrationPointsClickedAndContinued_ThenInquiryAndIllustrationPointsCleared()
         {
             // Given
-            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput(new TestGeneralResultFaultTreeIllustrationPoint())
             };
 
-            var calculationWithOutput = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOutput = new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             };
@@ -834,7 +834,7 @@
                     {
                         calculationWithIllustrationPoints,
                         calculationWithOutput,
-                        new GrassCoverErosionInwardsCalculation(0.1)
+                        new GrassCoverErosionInwardsCalculation()
                     }
                 }
             };
@@ -896,21 +896,21 @@
         private static IEnumerable<TestCaseData> GetCalculationConfigurationsWithIllustrationPoints()
         {
             var random = new Random(21);
-            var calculationWithOverToppingOutputWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOverToppingOutputWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(new TestGeneralResultFaultTreeIllustrationPoint()),
                                                             null,
                                                             null)
             };
 
-            var calculationWithDikeHeightRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithDikeHeightRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(random.NextDouble()),
                                                             new TestDikeHeightOutput(new TestGeneralResultFaultTreeIllustrationPoint()),
                                                             null)
             };
 
-            var calculationWithOvertoppingRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculationWithOvertoppingRateWithIllustrationPoints = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(new TestOvertoppingOutput(random.NextDouble()),
                                                             null,
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs
===================================================================
diff -u -r19fe78dad099e732a640666a868b42d93b599991 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs)	(revision 19fe78dad099e732a640666a868b42d93b599991)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsInputContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -88,8 +88,8 @@
         {
             // Setup
             var grassCoverErosionInwardsInputContext = new GrassCoverErosionInwardsInputContext(
-                new GrassCoverErosionInwardsInput(0.1),
-                new GrassCoverErosionInwardsCalculation(0.1),
+                new GrassCoverErosionInwardsInput(),
+                new GrassCoverErosionInwardsCalculation(),
                 new GrassCoverErosionInwardsFailureMechanism(),
                 mocksRepository.Stub<IAssessmentSection>());
 
@@ -107,8 +107,8 @@
         {
             // Setup
             var grassCoverErosionInwardsInputContext = new GrassCoverErosionInwardsInputContext(
-                new GrassCoverErosionInwardsInput(0.1),
-                new GrassCoverErosionInwardsCalculation(0.1),
+                new GrassCoverErosionInwardsInput(),
+                new GrassCoverErosionInwardsCalculation(),
                 new GrassCoverErosionInwardsFailureMechanism(),
                 mocksRepository.Stub<IAssessmentSection>());
 
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsOutputContextTreeNodeInfoTest.cs
===================================================================
diff -u -r72ecf8d28448698d9077f780cd0afc6b07101b54 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsOutputContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsOutputContextTreeNodeInfoTest.cs)	(revision 72ecf8d28448698d9077f780cd0afc6b07101b54)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/GrassCoverErosionInwardsOutputContextTreeNodeInfoTest.cs	(.../GrassCoverErosionInwardsOutputContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -91,7 +91,9 @@
         public void ForeColor_HasNoOutput_ReturnGrayText()
         {
             // Call
-            Color color = info.ForeColor(new GrassCoverErosionInwardsOutputContext(new GrassCoverErosionInwardsCalculation(0.1)));
+            Color color = info.ForeColor(new GrassCoverErosionInwardsOutputContext(new GrassCoverErosionInwardsCalculation(),
+                                                                                   failureMechanism,
+                                                                                   assessmentSection));
 
             // Assert
             Assert.AreEqual(Color.FromKnownColor(KnownColor.GrayText), color);
@@ -101,7 +103,7 @@
         public void ForeColor_HasOutput_ReturnControlText()
         {
             // Call
-            Color color = info.ForeColor(new GrassCoverErosionInwardsOutputContext(new GrassCoverErosionInwardsCalculation(0.1)
+            Color color = info.ForeColor(new GrassCoverErosionInwardsOutputContext(new GrassCoverErosionInwardsCalculation
             {
                 Output = new TestGrassCoverErosionInwardsOutput()
             }));
@@ -126,7 +128,13 @@
         public void ChildNodeObjects_Always_ReturnsCollectionWithOutputObjects(bool hasOutput)
         {
             // Setup
-            var grassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var mocks = new MockRepository();
+            var assessmentSection = mocks.Stub<IAssessmentSection>();
+            mocks.ReplayAll();
+
+            var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
+
+            var grassCoverErosionInwardsCalculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = hasOutput ? new TestGrassCoverErosionInwardsOutput() : null
             };
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/OvertoppingOutputContextTreeNodeInfoTest.cs
===================================================================
diff -u -re9eab53fe6879727ee749dc04785e90adfb3aaf1 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/OvertoppingOutputContextTreeNodeInfoTest.cs	(.../OvertoppingOutputContextTreeNodeInfoTest.cs)	(revision e9eab53fe6879727ee749dc04785e90adfb3aaf1)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/OvertoppingOutputContextTreeNodeInfoTest.cs	(.../OvertoppingOutputContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -100,8 +100,12 @@
         public void ForeColor_HasNoOutput_ReturnGrayText()
         {
             // Setup
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1);
+            var assessmentSection = mocks.Stub<IAssessmentSection>();
+            mocks.ReplayAll();
 
+            var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
+            var calculation = new GrassCoverErosionInwardsCalculation();
+
             // Call
             Color color = info.ForeColor(new OvertoppingOutputContext(calculation));
 
@@ -113,7 +117,11 @@
         public void ForeColor_HasOutput_ReturnControlText()
         {
             // Setup
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var assessmentSection = mocks.Stub<IAssessmentSection>();
+            mocks.ReplayAll();
+
+            var failureMechanism = new GrassCoverErosionInwardsFailureMechanism();
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(
                     new TestOvertoppingOutput(0.5),
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/OvertoppingRateOutputContextTreeNodeInfoTest.cs
===================================================================
diff -u -r19fe78dad099e732a640666a868b42d93b599991 -r10523021ee8dbce608fc3c1fa165468e6a70eac0
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/OvertoppingRateOutputContextTreeNodeInfoTest.cs	(.../OvertoppingRateOutputContextTreeNodeInfoTest.cs)	(revision 19fe78dad099e732a640666a868b42d93b599991)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Plugin.Test/TreeNodeInfos/OvertoppingRateOutputContextTreeNodeInfoTest.cs	(.../OvertoppingRateOutputContextTreeNodeInfoTest.cs)	(revision 10523021ee8dbce608fc3c1fa165468e6a70eac0)
@@ -100,7 +100,7 @@
         public void ForeColor_HasNoOutput_ReturnGrayText()
         {
             // Setup
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(
                     new TestOvertoppingOutput(0.5),
@@ -119,7 +119,7 @@
         public void ForeColor_HasOutput_ReturnControlText()
         {
             // Setup
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 Output = new GrassCoverErosionInwardsOutput(
                     new TestOvertoppingOutput(0.5),