Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs
===================================================================
diff -u -r12a979c9f67747abf7ee894b66ec83f832221049 -r5a7d12426493f37ca9a8f5be5899ea7ab281ce2a
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs)	(revision 12a979c9f67747abf7ee894b66ec83f832221049)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs)	(revision 5a7d12426493f37ca9a8f5be5899ea7ab281ce2a)
@@ -88,7 +88,7 @@
 
         private static GrassCoverErosionInwardsCalculationScenario CreateFullCalculation()
         {
-            return new GrassCoverErosionInwardsCalculationScenario(0.1)
+            return new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1",
                 InputParameters =
@@ -116,23 +116,23 @@
 
         private static GrassCoverErosionInwardsCalculationScenario CreateSparseCalculation()
         {
-            return new GrassCoverErosionInwardsCalculationScenario(0.1)
+            return new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "sparse config"
             };
         }
 
         private static CalculationGroup CreateNestedCalculation()
         {
-            var calculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1",
                 InputParameters =
                 {
                     HydraulicBoundaryLocation = new TestHydraulicBoundaryLocation("Location1")
                 }
             };
-            var calculation2 = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var calculation2 = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 2"
             };
@@ -161,7 +161,7 @@
 
         private static GrassCoverErosionInwardsCalculationScenario CreateIrrelevantCalculationScenario()
         {
-            return new GrassCoverErosionInwardsCalculationScenario(0.1)
+            return new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "irrelevant",
                 Contribution = (RoundedDouble) 0.5432,
@@ -171,7 +171,7 @@
 
         protected override GrassCoverErosionInwardsCalculationScenario CreateCalculation()
         {
-            return new GrassCoverErosionInwardsCalculationScenario(0.1);
+            return new GrassCoverErosionInwardsCalculationScenario();
         }
 
         protected override GrassCoverErosionInwardsCalculationConfigurationExporter CallConfigurationFilePathConstructor(IEnumerable<ICalculationBase> calculations, string filePath)
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs
===================================================================
diff -u -r12a979c9f67747abf7ee894b66ec83f832221049 -r5a7d12426493f37ca9a8f5be5899ea7ab281ce2a
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs)	(revision 12a979c9f67747abf7ee894b66ec83f832221049)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs)	(revision 5a7d12426493f37ca9a8f5be5899ea7ab281ce2a)
@@ -367,7 +367,7 @@
             // Assert
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1",
                 InputParameters =
@@ -403,7 +403,7 @@
             TestHelper.AssertLogMessageIsGenerated(call, $"Gegevens zijn geïmporteerd vanuit bestand '{filePath}'.", 1);
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Calculation",
                 Contribution = (RoundedDouble) 0.8765
@@ -436,7 +436,7 @@
             TestHelper.AssertLogMessageIsGenerated(call, $"Gegevens zijn geïmporteerd vanuit bestand '{filePath}'.", 1);
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Calculation",
                 IsRelevant = false
@@ -467,7 +467,7 @@
             // Assert
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1",
                 InputParameters =
@@ -504,7 +504,7 @@
             // Assert
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1"
             };
@@ -534,7 +534,7 @@
             // Assert
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1",
                 InputParameters =
@@ -597,7 +597,7 @@
 
             Assert.IsTrue(successful);
 
-            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario(0.1)
+            var expectedCalculation = new GrassCoverErosionInwardsCalculationScenario
             {
                 Name = "Berekening 1",
                 InputParameters =
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Integration.Test/GrassCoverErosionInwardsCalculationActivityIntegrationTest.cs
===================================================================
diff -u -rebfd500b10e6634a584b5dd904d445078769ae90 -r5a7d12426493f37ca9a8f5be5899ea7ab281ce2a
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Integration.Test/GrassCoverErosionInwardsCalculationActivityIntegrationTest.cs	(.../GrassCoverErosionInwardsCalculationActivityIntegrationTest.cs)	(revision ebfd500b10e6634a584b5dd904d445078769ae90)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Integration.Test/GrassCoverErosionInwardsCalculationActivityIntegrationTest.cs	(.../GrassCoverErosionInwardsCalculationActivityIntegrationTest.cs)	(revision 5a7d12426493f37ca9a8f5be5899ea7ab281ce2a)
@@ -65,7 +65,7 @@
                 }
             };
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -114,7 +114,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -206,7 +206,7 @@
             DikeProfile dikeProfile = CreateDikeProfile();
             dikeProfile.BreakWater.Type = breakWaterType;
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -290,7 +290,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -345,7 +345,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -415,7 +415,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -459,7 +459,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -528,7 +528,7 @@
             DikeProfile dikeProfile = CreateDikeProfile();
             dikeProfile.BreakWater.Type = breakWaterType;
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -612,7 +612,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -673,7 +673,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -735,7 +735,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -797,7 +797,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -860,7 +860,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -909,7 +909,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -979,7 +979,7 @@
             DikeProfile dikeProfile = CreateDikeProfile();
             dikeProfile.BreakWater.Type = breakWaterType;
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -1062,7 +1062,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -1123,7 +1123,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -1185,7 +1185,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -1247,7 +1247,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -1310,7 +1310,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
@@ -1359,7 +1359,7 @@
             var assessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
             ImportHydraulicBoundaryDatabase(assessmentSection);
 
-            var calculation = new GrassCoverErosionInwardsCalculation(0.1)
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 InputParameters =
                 {
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Integration.Test/GrassCoverErosionInwardsScenariosViewIntegrationTest.cs
===================================================================
diff -u -r018a25f6131d2e1f7bc15f39a5f427bb49ff08e0 -r5a7d12426493f37ca9a8f5be5899ea7ab281ce2a
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Integration.Test/GrassCoverErosionInwardsScenariosViewIntegrationTest.cs	(.../GrassCoverErosionInwardsScenariosViewIntegrationTest.cs)	(revision 018a25f6131d2e1f7bc15f39a5f427bb49ff08e0)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.Integration.Test/GrassCoverErosionInwardsScenariosViewIntegrationTest.cs	(.../GrassCoverErosionInwardsScenariosViewIntegrationTest.cs)	(revision 5a7d12426493f37ca9a8f5be5899ea7ab281ce2a)
@@ -125,7 +125,7 @@
                 // Call
                 foreach (DikeProfile profile in assessmentSection.GrassCoverErosionInwards.DikeProfiles)
                 {
-                    calculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario(0.1)
+                    calculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario
                     {
                         Name = NamingHelper.GetUniqueName(((CalculationGroup) view.Data).Children, profile.Name, c => c.Name),
                         InputParameters =
@@ -183,7 +183,7 @@
 
                 foreach (DikeProfile profile in assessmentSection.GrassCoverErosionInwards.DikeProfiles)
                 {
-                    calculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario(0.1)
+                    calculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario
                     {
                         Name = NamingHelper.GetUniqueName(calculationsGroup.Children, profile.Name, c => c.Name),
                         InputParameters =
@@ -250,7 +250,7 @@
 
                 foreach (DikeProfile profile in assessmentSection.GrassCoverErosionInwards.DikeProfiles)
                 {
-                    assessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario(0.1)
+                    assessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children.Add(new GrassCoverErosionInwardsCalculationScenario
                     {
                         Name = NamingHelper.GetUniqueName(assessmentSection.GrassCoverErosionInwards.CalculationsGroup.Children, profile.Name + "Calculation", c => c.Name),
                         InputParameters =