Index: Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.IO/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporter.cs
===================================================================
diff -u -ra4e3b2745a48598260107bb5bfca7485205cdcc2 -r3a493bf57841b3010a54d8e32f0aecd8a293e332
--- Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.IO/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporter.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporter.cs)	(revision a4e3b2745a48598260107bb5bfca7485205cdcc2)
+++ Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.IO/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporter.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporter.cs)	(revision 3a493bf57841b3010a54d8e32f0aecd8a293e332)
@@ -24,6 +24,7 @@
 using System.Linq;
 using Core.Common.Base.Data;
 using Riskeer.Common.Data.Calculation;
+using Riskeer.Common.Data.Contribution;
 using Riskeer.Common.Data.DikeProfiles;
 using Riskeer.Common.Data.Hydraulics;
 using Riskeer.Common.IO.Configurations;
@@ -38,6 +39,7 @@
         : CalculationConfigurationImporter<GrassCoverErosionInwardsCalculationConfigurationReader,
             GrassCoverErosionInwardsCalculationConfiguration>
     {
+        private readonly FailureMechanismContribution failureMechanismContribution;
         private readonly IEnumerable<HydraulicBoundaryLocation> availableHydraulicBoundaryLocations;
         private readonly IEnumerable<DikeProfile> availableDikeProfiles;
 
@@ -46,6 +48,8 @@
         /// </summary>
         /// <param name="xmlFilePath">The path to the XML file to import from.</param>
         /// <param name="importTarget">The calculation group to update.</param>
+        /// <param name="failureMechanismContribution">The <see cref="FailureMechanismContribution"/>
+        /// used to get the correct norm.</param>
         /// <param name="hydraulicBoundaryLocations">The hydraulic boundary locations
         /// used to check if the imported objects contain the right location.</param>
         /// <param name="dikeProfiles">The dike profiles used to check if
@@ -55,10 +59,16 @@
         public GrassCoverErosionInwardsCalculationConfigurationImporter(
             string xmlFilePath,
             CalculationGroup importTarget,
+            FailureMechanismContribution failureMechanismContribution,
             IEnumerable<HydraulicBoundaryLocation> hydraulicBoundaryLocations,
             IEnumerable<DikeProfile> dikeProfiles)
             : base(xmlFilePath, importTarget)
         {
+            if (failureMechanismContribution == null)
+            {
+                throw new ArgumentNullException(nameof(failureMechanismContribution));
+            }
+
             if (hydraulicBoundaryLocations == null)
             {
                 throw new ArgumentNullException(nameof(hydraulicBoundaryLocations));
@@ -69,6 +79,7 @@
                 throw new ArgumentNullException(nameof(dikeProfiles));
             }
 
+            this.failureMechanismContribution = failureMechanismContribution;
             availableHydraulicBoundaryLocations = hydraulicBoundaryLocations;
             availableDikeProfiles = dikeProfiles;
         }
@@ -80,7 +91,7 @@
 
         protected override ICalculation ParseReadCalculation(GrassCoverErosionInwardsCalculationConfiguration readCalculation)
         {
-            var calculation = new GrassCoverErosionInwardsCalculationScenario
+            var calculation = new GrassCoverErosionInwardsCalculationScenario(failureMechanismContribution.Norm)
             {
                 Name = readCalculation.Name
             };
Index: Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs
===================================================================
diff -u -r4cb44d36bec6a6f1b4c1c2ff2db086b9996a2b42 -r3a493bf57841b3010a54d8e32f0aecd8a293e332
--- Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 4cb44d36bec6a6f1b4c1c2ff2db086b9996a2b42)
+++ Riskeer/GrassCoverErosionInwards/src/Riskeer.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 3a493bf57841b3010a54d8e32f0aecd8a293e332)
@@ -120,6 +120,7 @@
                 (context, filePath) => new GrassCoverErosionInwardsCalculationConfigurationImporter(
                     filePath,
                     context.WrappedData,
+                    context.AssessmentSection.FailureMechanismContribution,
                     context.AssessmentSection.HydraulicBoundaryDatabase.Locations,
                     context.AvailableDikeProfiles));
 
Index: Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs
===================================================================
diff -u -ref89bf29a08cb1bd5ad8ff6a7f55cbaa9b17869f -r3a493bf57841b3010a54d8e32f0aecd8a293e332
--- Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs)	(revision ef89bf29a08cb1bd5ad8ff6a7f55cbaa9b17869f)
+++ Riskeer/GrassCoverErosionInwards/test/Riskeer.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationImporterTest.cs)	(revision 3a493bf57841b3010a54d8e32f0aecd8a293e332)
@@ -27,6 +27,7 @@
 using Core.Common.TestUtil;
 using NUnit.Framework;
 using Riskeer.Common.Data.Calculation;
+using Riskeer.Common.Data.Contribution;
 using Riskeer.Common.Data.DikeProfiles;
 using Riskeer.Common.Data.Hydraulics;
 using Riskeer.Common.Data.TestUtil;
@@ -48,10 +49,8 @@
         {
             // Call
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
-                "",
-                new CalculationGroup(),
-                Enumerable.Empty<HydraulicBoundaryLocation>(),
-                Enumerable.Empty<DikeProfile>());
+                "", new CalculationGroup(), new FailureMechanismContribution(0.01, 0.001),
+                Enumerable.Empty<HydraulicBoundaryLocation>(), Enumerable.Empty<DikeProfile>());
 
             // Assert
             Assert.IsInstanceOf<
@@ -61,11 +60,25 @@
         }
 
         [Test]
+        public void Constructor_FailureMechanismContributionNull_ThrowArgumentNullException()
+        {
+            // Call
+            void Call() => new GrassCoverErosionInwardsCalculationConfigurationImporter(
+                "", new CalculationGroup(), null, Enumerable.Empty<HydraulicBoundaryLocation>(),
+                Enumerable.Empty<DikeProfile>());
+            
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("failureMechanismContribution", exception.ParamName);
+        }
+
+        [Test]
         public void Constructor_HydraulicBoundaryLocationsNull_ThrowArgumentNullException()
         {
             // Call
             void Call() => new GrassCoverErosionInwardsCalculationConfigurationImporter(
-                "", new CalculationGroup(), null, Enumerable.Empty<DikeProfile>());
+                "", new CalculationGroup(), new FailureMechanismContribution(0.01, 0.001),
+                null, Enumerable.Empty<DikeProfile>());
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(Call);
@@ -77,7 +90,8 @@
         {
             // Call
             void Call() => new GrassCoverErosionInwardsCalculationConfigurationImporter(
-                "", new CalculationGroup(), Enumerable.Empty<HydraulicBoundaryLocation>(), null);
+                "", new CalculationGroup(), new FailureMechanismContribution(0.01, 0.001),
+                Enumerable.Empty<HydraulicBoundaryLocation>(), null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(Call);
@@ -95,6 +109,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 new[]
                 {
@@ -124,6 +139,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -151,6 +167,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -177,6 +194,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -201,6 +219,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -225,6 +244,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -249,6 +269,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -273,6 +294,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -298,6 +320,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 new[]
                 {
@@ -328,6 +351,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 new[]
                 {
                     hydraulicBoundaryLocation
@@ -364,10 +388,12 @@
 
             var calculationGroup = new CalculationGroup();
 
-            var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(filePath,
-                                                                                        calculationGroup,
-                                                                                        Enumerable.Empty<HydraulicBoundaryLocation>(),
-                                                                                        Enumerable.Empty<DikeProfile>());
+            var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
+                filePath,
+                calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
+                Enumerable.Empty<HydraulicBoundaryLocation>(),
+                Enumerable.Empty<DikeProfile>());
 
             // Call
             var successful = false;
@@ -395,10 +421,12 @@
 
             var calculationGroup = new CalculationGroup();
 
-            var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(filePath,
-                                                                                        calculationGroup,
-                                                                                        Enumerable.Empty<HydraulicBoundaryLocation>(),
-                                                                                        Enumerable.Empty<DikeProfile>());
+            var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
+                filePath,
+                calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
+                Enumerable.Empty<HydraulicBoundaryLocation>(),
+                Enumerable.Empty<DikeProfile>());
 
             // Call
             var successful = false;
@@ -429,6 +457,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -465,6 +494,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -494,6 +524,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 Enumerable.Empty<HydraulicBoundaryLocation>(),
                 Enumerable.Empty<DikeProfile>());
 
@@ -547,6 +578,7 @@
             var importer = new GrassCoverErosionInwardsCalculationConfigurationImporter(
                 filePath,
                 calculationGroup,
+                new FailureMechanismContribution(0.01, 0.001),
                 new[]
                 {
                     hydraulicBoundaryLocation