Index: Core/Common/src/Core.Common.Gui/Forms/ProgressDialog/ActivityProgressDialogRunner.cs
===================================================================
diff -u -r67284323e2785c651633d9c52049ba12a9c70e6a -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Core/Common/src/Core.Common.Gui/Forms/ProgressDialog/ActivityProgressDialogRunner.cs	(.../ActivityProgressDialogRunner.cs)	(revision 67284323e2785c651633d9c52049ba12a9c70e6a)
+++ Core/Common/src/Core.Common.Gui/Forms/ProgressDialog/ActivityProgressDialogRunner.cs	(.../ActivityProgressDialogRunner.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -49,7 +49,7 @@
         /// <typeparam name="TActivity">The activity type.</typeparam>
         /// <param name="dialogParent">The dialog parent for which the progress dialog should be shown on top.</param>
         /// <param name="activities">The activities to be executed.</param>
-        public static void Run<TActivity>(IWin32Window dialogParent, IList<TActivity> activities)
+        public static void Run<TActivity>(IWin32Window dialogParent, IEnumerable<TActivity> activities)
             where TActivity : Activity
         {
             using (var activityProgressDialog = new ActivityProgressDialog(dialogParent, activities))
Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs
===================================================================
diff -u -r964f8948f0ec59095ea9cc58fdabd706c4b17d22 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs	(.../ClosingStructuresPlugin.cs)	(revision 964f8948f0ec59095ea9cc58fdabd706c4b17d22)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs	(.../ClosingStructuresPlugin.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -368,7 +368,7 @@
             };
         }
 
-        private static IEnumerable GetInputs(ClosingStructuresFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
+        private static IList GetInputs(ClosingStructuresFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
         {
             return new ArrayList
             {
@@ -379,7 +379,7 @@
             };
         }
 
-        private static IEnumerable GetOutputs(ClosingStructuresFailureMechanism failureMechanism)
+        private static IList GetOutputs(ClosingStructuresFailureMechanism failureMechanism)
         {
             return new ArrayList
             {
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/GuiServices/HydraulicBoundaryLocationCalculationGuiService.cs
===================================================================
diff -u -rf8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/src/Ringtoets.Common.Forms/GuiServices/HydraulicBoundaryLocationCalculationGuiService.cs	(.../HydraulicBoundaryLocationCalculationGuiService.cs)	(revision f8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/GuiServices/HydraulicBoundaryLocationCalculationGuiService.cs	(.../HydraulicBoundaryLocationCalculationGuiService.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -105,7 +105,7 @@
                                                                                                 messageProvider)).ToArray());
         }
 
-        private bool RunActivities<TActivity>(string hydraulicBoundaryDatabasePath, IList<TActivity> activities) where TActivity : Activity
+        private bool RunActivities<TActivity>(string hydraulicBoundaryDatabasePath, IEnumerable<TActivity> activities) where TActivity : Activity
         {
             string validationProblem = HydraulicBoundaryDatabaseHelper.ValidatePathForCalculation(hydraulicBoundaryDatabasePath);
             if (string.IsNullOrEmpty(validationProblem))
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/Views/FailureMechanismResultView.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/src/Ringtoets.Common.Forms/Views/FailureMechanismResultView.cs	(.../FailureMechanismResultView.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/Views/FailureMechanismResultView.cs	(.../FailureMechanismResultView.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -39,7 +39,7 @@
     public abstract partial class FailureMechanismResultView<T> : UserControl, IView where T : FailureMechanismSectionResult
     {
         protected const int AssessmentLayerOneColumnIndex = 1;
-        private readonly IList<Observer> failureMechanismSectionResultObservers;
+        private readonly List<Observer> failureMechanismSectionResultObservers;
         private readonly Observer failureMechanismObserver;
 
         private IEnumerable<T> failureMechanismSectionResult;
Index: Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/FailureMechanismSectionsImporter.cs
===================================================================
diff -u -rd1bf253a0e3f11a168b4e185c4413c23995a1e8b -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/FailureMechanismSectionsImporter.cs	(.../FailureMechanismSectionsImporter.cs)	(revision d1bf253a0e3f11a168b4e185c4413c23995a1e8b)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/FileImporters/FailureMechanismSectionsImporter.cs	(.../FailureMechanismSectionsImporter.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -217,7 +217,7 @@
 
         private static IEnumerable<FailureMechanismSection> SnapReadSectionsToReferenceLine(IEnumerable<FailureMechanismSection> readSections, ReferenceLine referenceLine)
         {
-            IList<FailureMechanismSection> orderedReadSections = OrderSections(readSections, referenceLine);
+            IEnumerable<FailureMechanismSection> orderedReadSections = OrderSections(readSections, referenceLine);
 
             double[] orderedSectionLengths = GetReferenceLineCutoffLengths(referenceLine, orderedReadSections);
 
@@ -226,7 +226,7 @@
             return CreateFailureMechanismSectionsSnappedOnReferenceLine(orderedReadSections, splitResults);
         }
 
-        private static IList<FailureMechanismSection> OrderSections(IEnumerable<FailureMechanismSection> unorderedSections, ReferenceLine referenceLine)
+        private static IEnumerable<FailureMechanismSection> OrderSections(IEnumerable<FailureMechanismSection> unorderedSections, ReferenceLine referenceLine)
         {
             List<FailureMechanismSection> sourceList = unorderedSections.ToList();
 
@@ -243,7 +243,7 @@
             return resultList;
         }
 
-        private static FailureMechanismSection GetStart(List<FailureMechanismSection> sourceList, ReferenceLine referenceLine)
+        private static FailureMechanismSection GetStart(IEnumerable<FailureMechanismSection> sourceList, ReferenceLine referenceLine)
         {
             double shortestDistance = double.MaxValue;
             FailureMechanismSection closestSectionToReferenceLineStart = null;
@@ -293,7 +293,7 @@
             }
         }
 
-        private static double[] GetReferenceLineCutoffLengths(ReferenceLine referenceLine, IList<FailureMechanismSection> orderedReadSections)
+        private static double[] GetReferenceLineCutoffLengths(ReferenceLine referenceLine, IEnumerable<FailureMechanismSection> orderedReadSections)
         {
             double[] orderedSectionLengths = orderedReadSections.Select(GetSectionLength).ToArray();
 
@@ -319,7 +319,7 @@
             return Math2D.ConvertLinePointsToLineSegments(linePoints);
         }
 
-        private static List<FailureMechanismSection> CreateFailureMechanismSectionsSnappedOnReferenceLine(IList<FailureMechanismSection> orderedReadSections, Point2D[][] splitResults)
+        private static IEnumerable<FailureMechanismSection> CreateFailureMechanismSectionsSnappedOnReferenceLine(IEnumerable<FailureMechanismSection> orderedReadSections, IList<Point2D[]> splitResults)
         {
             return orderedReadSections.Select((t, i) => new FailureMechanismSection(t.Name, splitResults[i])).ToList();
         }
Index: Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLines/ReferenceLinesMetaReader.cs
===================================================================
diff -u -r4b8ab1201eba50035392ce074fa1cc5da25ff4a7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLines/ReferenceLinesMetaReader.cs	(.../ReferenceLinesMetaReader.cs)	(revision 4b8ab1201eba50035392ce074fa1cc5da25ff4a7)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLines/ReferenceLinesMetaReader.cs	(.../ReferenceLinesMetaReader.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -118,7 +118,7 @@
         /// <exception cref="CriticalFileReadException">Thrown when the shape file lacks one of the mandatory attributes.</exception>
         private static void ValidateExistenceOfRequiredAttributes(PolylineShapeFileReader polylineShapeFileReader, string shapeFilePath)
         {
-            IList<string> missingAttributes = GetMissingAttributes(polylineShapeFileReader);
+            string[] missingAttributes = GetMissingAttributes(polylineShapeFileReader).ToArray();
             if (missingAttributes.Any())
             {
                 string message = string.Format(RingtoetsCommonIOResources.ReferenceLinesMetaReader_File_0_lacks_required_Attribute_1_,
@@ -127,22 +127,20 @@
             }
         }
 
-        private static IList<string> GetMissingAttributes(PolylineShapeFileReader polylineShapeFileReader)
+        private static IEnumerable<string> GetMissingAttributes(PolylineShapeFileReader polylineShapeFileReader)
         {
-            var list = new List<string>(3);
             if (!polylineShapeFileReader.HasAttribute(assessmentsectionIdAttributeKey))
             {
-                list.Add(assessmentsectionIdAttributeKey);
+                yield return assessmentsectionIdAttributeKey;
             }
             if (!polylineShapeFileReader.HasAttribute(signalingValueAttributeKey))
             {
-                list.Add(signalingValueAttributeKey);
+                yield return signalingValueAttributeKey;
             }
             if (!polylineShapeFileReader.HasAttribute(lowerLimitValueAttributeKey))
             {
-                list.Add(lowerLimitValueAttributeKey);
+                yield return lowerLimitValueAttributeKey;
             }
-            return list;
         }
 
         /// <summary>
@@ -211,7 +209,7 @@
                 return Enumerable.Empty<Point2D>();
             }
 
-            return mapGeometries[0].PointCollections.First().Select(p => new Point2D(p));
+            return mapGeometries[0].PointCollections.First().Select(p => new Point2D(p)).ToArray();
         }
 
         private static string GetAssessmentSectionId(MapFeature lineFeature)
Index: Ringtoets/Common/src/Ringtoets.Common.IO/Structures/StructuresParameterRowsValidator.cs
===================================================================
diff -u -rf06c84e1276819affaeafdf1169142e02c6eb04e -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/src/Ringtoets.Common.IO/Structures/StructuresParameterRowsValidator.cs	(.../StructuresParameterRowsValidator.cs)	(revision f06c84e1276819affaeafdf1169142e02c6eb04e)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/Structures/StructuresParameterRowsValidator.cs	(.../StructuresParameterRowsValidator.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -227,7 +227,7 @@
         /// <param name="structureParameterRows">The <see cref="StructuresParameterRow"/> objects to validate.</param>
         /// <returns>A <see cref="ValidationResult"/> object containing the validation result.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="structureParameterRows"/> is <c>null</c>.</exception>
-        public static ValidationResult ValidateHeightStructuresParameters(IList<StructuresParameterRow> structureParameterRows)
+        public static ValidationResult ValidateHeightStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows)
         {
             return ValidateStructuresParameters(structureParameterRows, heightStructuresRules);
         }
@@ -238,7 +238,7 @@
         /// <param name="structureParameterRows">The <see cref="StructuresParameterRow"/> objects to validate.</param>
         /// <returns>A <see cref="ValidationResult"/> object containing the validation result.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="structureParameterRows"/> is <c>null</c>.</exception>
-        public static ValidationResult ValidateClosingStructuresParameters(IList<StructuresParameterRow> structureParameterRows)
+        public static ValidationResult ValidateClosingStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows)
         {
             return ValidateStructuresParameters(structureParameterRows, closingStructuresRules);
         }
@@ -249,7 +249,7 @@
         /// <param name="structureParameterRows">The <see cref="StructuresParameterRow"/> objects to validate.</param>
         /// <returns>A <see cref="ValidationResult"/> object containing the validation result.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="structureParameterRows"/> is <c>null</c>.</exception>
-        public static ValidationResult ValidateStabilityPointStructuresParameters(IList<StructuresParameterRow> structureParameterRows)
+        public static ValidationResult ValidateStabilityPointStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows)
         {
             return ValidateStructuresParameters(structureParameterRows, stabilityPointStructuresRules);
         }
@@ -265,9 +265,9 @@
         /// is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="structureParameterRows"/>
         /// contains duplicate elements.</exception>
-        public static IEnumerable<StructuresParameterRow> GetRelevantHeightStructuresParameters(IList<StructuresParameterRow> structureParameterRows)
+        public static IEnumerable<StructuresParameterRow> GetRelevantHeightStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows)
         {
-            return GetStructuresParameters(structureParameterRows, heightStructuresRules);
+            return GetStructuresParameters(structureParameterRows, heightStructuresRules).ToArray();
         }
 
         /// <summary>
@@ -281,9 +281,9 @@
         /// is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="structureParameterRows"/>
         /// contains duplicate elements.</exception>
-        public static IEnumerable<StructuresParameterRow> GetRelevantClosingStructuresParameters(IList<StructuresParameterRow> structureParameterRows)
+        public static IEnumerable<StructuresParameterRow> GetRelevantClosingStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows)
         {
-            return GetStructuresParameters(structureParameterRows, closingStructuresRules);
+            return GetStructuresParameters(structureParameterRows, closingStructuresRules).ToArray();
         }
 
         /// <summary>
@@ -297,9 +297,9 @@
         /// is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="structureParameterRows"/>
         /// contains duplicate elements.</exception>
-        public static IEnumerable<StructuresParameterRow> GetRelevantStabilityPointStructuresParameters(IList<StructuresParameterRow> structureParameterRows)
+        public static IEnumerable<StructuresParameterRow> GetRelevantStabilityPointStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows)
         {
-            return GetStructuresParameters(structureParameterRows, stabilityPointStructuresRules);
+            return GetStructuresParameters(structureParameterRows, stabilityPointStructuresRules).ToArray();
         }
 
         /// <summary>
@@ -314,15 +314,14 @@
         /// is <c>null</c>.</exception>
         /// <exception cref="ArgumentException">Thrown when <paramref name="structureParameterRows"/>
         /// contains duplicate elements.</exception>
-        private static IEnumerable<StructuresParameterRow> GetStructuresParameters(IList<StructuresParameterRow> structureParameterRows,
+        private static IEnumerable<StructuresParameterRow> GetStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows,
                                                                                    Dictionary<string, Func<StructuresParameterRow, List<string>>> rules)
         {
             if (structureParameterRows == null)
             {
                 throw new ArgumentNullException(nameof(structureParameterRows));
             }
 
-            var parameters = new List<StructuresParameterRow>();
             foreach (string parameterName in rules.Keys)
             {
                 int count = structureParameterRows.Count(row => GetMatchingStructuresParameterRow(row.ParameterId, parameterName));
@@ -333,11 +332,9 @@
                 }
                 if (count == 1)
                 {
-                    parameters.Add(structureParameterRows.Single(row => GetMatchingStructuresParameterRow(row.ParameterId, parameterName)));
+                    yield return structureParameterRows.Single(row => GetMatchingStructuresParameterRow(row.ParameterId, parameterName));
                 }
             }
-
-            return parameters;
         }
 
         /// <summary>
@@ -350,7 +347,7 @@
         /// <returns>A <see cref="ValidationResult"/> containing the validation result.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="structureParameterRows"/>
         /// is <c>null</c>.</exception>
-        private static ValidationResult ValidateStructuresParameters(IList<StructuresParameterRow> structureParameterRows,
+        private static ValidationResult ValidateStructuresParameters(IEnumerable<StructuresParameterRow> structureParameterRows,
                                                                      Dictionary<string, Func<StructuresParameterRow, List<string>>> rules)
         {
             if (structureParameterRows == null)
@@ -544,9 +541,7 @@
             var messages = new List<string>();
 
             const string numericalValueColumn = StructureFilesKeywords.NumericalValueColumnName;
-            messages.AddRange(meanMustBeGreaterThanZero ?
-                                  ValidateGreaterThanZeroDoubleParameter(row, numericalValueColumn) :
-                                  ValidateDoubleParameter(row, numericalValueColumn));
+            messages.AddRange(meanMustBeGreaterThanZero ? ValidateGreaterThanZeroDoubleParameter(row, numericalValueColumn) : ValidateDoubleParameter(row, numericalValueColumn));
             return messages;
         }
 
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestFailureMechanism.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestFailureMechanism.cs	(.../TestFailureMechanism.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestFailureMechanism.cs	(.../TestFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -29,7 +29,7 @@
     {
         private const string defaultName = "Test failure mechanism";
         private const string defaultCode = "TFM";
-        private readonly IList<FailureMechanismSectionResult> sectionResults;
+        private readonly List<FailureMechanismSectionResult> sectionResults;
 
         public TestFailureMechanism()
             : this(defaultName, defaultCode) {}
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/Configurations/Import/CalculationConfigurationReaderTest.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/Configurations/Import/CalculationConfigurationReaderTest.cs	(.../CalculationConfigurationReaderTest.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/Configurations/Import/CalculationConfigurationReaderTest.cs	(.../CalculationConfigurationReaderTest.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -265,7 +265,7 @@
             var calculationConfigurationReader = new CalculationConfigurationReader(filePath, validMainSchemaDefinition, new Dictionary<string, string>());
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = calculationConfigurationReader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = calculationConfigurationReader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -284,7 +284,7 @@
             var calculationConfigurationReader = new CalculationConfigurationReader(filePath, validMainSchemaDefinition, new Dictionary<string, string>());
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = calculationConfigurationReader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = calculationConfigurationReader.Read().ToList();
 
             // Assert
             Assert.AreEqual(5, readConfigurationItems.Count);
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/DikeProfiles/ProfileLocationReaderTest.cs
===================================================================
diff -u -r6ef5e439a6d9f40ebd9926251945e0935fbbc314 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/DikeProfiles/ProfileLocationReaderTest.cs	(.../ProfileLocationReaderTest.cs)	(revision 6ef5e439a6d9f40ebd9926251945e0935fbbc314)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/DikeProfiles/ProfileLocationReaderTest.cs	(.../ProfileLocationReaderTest.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -202,7 +202,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("DikeProfiles", fileName));
-            IList<ProfileLocation> dikeProfileLocations = new List<ProfileLocation>();
+            var dikeProfileLocations = new List<ProfileLocation>();
 
             using (var reader = new ProfileLocationReader(validFilePath))
             {
@@ -283,7 +283,7 @@
             // Setup
             string invalidFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                                 Path.Combine("DikeProfiles", "Voorlanden_12-2_EmptyName.shp"));
-            IList<ProfileLocation> dikeProfileLocations = new List<ProfileLocation>();
+            var dikeProfileLocations = new List<ProfileLocation>();
 
             using (var reader = new ProfileLocationReader(invalidFilePath))
             {
@@ -305,7 +305,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("DikeProfiles", "Voorlanden 12-2.shp"));
-            IList<ProfileLocation> dikeProfileLocations = new List<ProfileLocation>();
+            var dikeProfileLocations = new List<ProfileLocation>();
 
             using (var reader = new ProfileLocationReader(validFilePath))
             {
@@ -343,7 +343,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("DikeProfiles", "Voorlanden 12-2.shp"));
-            IList<ProfileLocation> dikeProfileLocations = new List<ProfileLocation>();
+            var dikeProfileLocations = new List<ProfileLocation>();
 
             using (var reader = new ProfileLocationReader(validFilePath))
             {
@@ -369,7 +369,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("DikeProfiles", "Voorlanden 12-2.shp"));
-            IList<ProfileLocation> dikeProfileLocations = new List<ProfileLocation>();
+            var dikeProfileLocations = new List<ProfileLocation>();
 
             using (var reader = new ProfileLocationReader(validFilePath))
             {
@@ -401,7 +401,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("DikeProfiles", "BinaryX0", "PROF63_GE_D0.shp"));
-            IList<ProfileLocation> dikeProfileLocations = new List<ProfileLocation>();
+            var dikeProfileLocations = new List<ProfileLocation>();
 
             using (var reader = new ProfileLocationReader(validFilePath))
             {
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/Structures/StructureLocationReaderTest.cs
===================================================================
diff -u -r6ef5e439a6d9f40ebd9926251945e0935fbbc314 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/Structures/StructureLocationReaderTest.cs	(.../StructureLocationReaderTest.cs)	(revision 6ef5e439a6d9f40ebd9926251945e0935fbbc314)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/Structures/StructureLocationReaderTest.cs	(.../StructureLocationReaderTest.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -193,7 +193,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("Structures", "StructuresWithoutKWKNAAM", "Kunstwerken.shp"));
-            IList<StructureLocation> structures = new List<StructureLocation>();
+            var structures = new List<StructureLocation>();
 
             using (var reader = new StructureLocationReader(validFilePath))
             {
@@ -220,7 +220,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("Structures", "StructuresSomeWithEmptyKWKNAAM", "Kunstwerken.shp"));
-            IList<StructureLocation> structures = new List<StructureLocation>();
+            var structures = new List<StructureLocation>();
 
             using (var reader = new StructureLocationReader(validFilePath))
             {
@@ -267,7 +267,7 @@
             // Setup
             string validFilePath = TestHelper.GetTestDataPath(TestDataPath.Ringtoets.Common.IO,
                                                               Path.Combine("Structures", "CorrectFiles", "Kunstwerken.shp"));
-            IList<StructureLocation> structures = new List<StructureLocation>();
+            var structures = new List<StructureLocation>();
 
             using (var reader = new StructureLocationReader(validFilePath))
             {
Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanism.cs
===================================================================
diff -u -radadf1a820c1c6f418f30411352bf661214dd2ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanism.cs	(.../DuneErosionFailureMechanism.cs)	(revision adadf1a820c1c6f418f30411352bf661214dd2ae)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Data/DuneErosionFailureMechanism.cs	(.../DuneErosionFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class DuneErosionFailureMechanism : FailureMechanismBase, IHasSectionResults<DuneErosionFailureMechanismSectionResult>
     {
-        private readonly IList<DuneErosionFailureMechanismSectionResult> sectionResults;
+        private readonly List<DuneErosionFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="DuneErosionFailureMechanism"/> class.
Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs
===================================================================
diff -u -r964f8948f0ec59095ea9cc58fdabd706c4b17d22 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 964f8948f0ec59095ea9cc58fdabd706c4b17d22)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -539,7 +539,7 @@
             };
         }
 
-        private static IEnumerable GetInputs(GrassCoverErosionInwardsFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
+        private static IList GetInputs(GrassCoverErosionInwardsFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
         {
             return new ArrayList
             {
@@ -549,7 +549,7 @@
             };
         }
 
-        private static IEnumerable GetOutputs(GrassCoverErosionInwardsFailureMechanism failureMechanism)
+        private static IList GetOutputs(GrassCoverErosionInwardsFailureMechanism failureMechanism)
         {
             return new ArrayList
             {
@@ -753,7 +753,7 @@
             };
         }
 
-        private void UpdateDikeProfileDependentDataOfAllCalculations(IList<GrassCoverErosionInwardsCalculation> calculations)
+        private void UpdateDikeProfileDependentDataOfAllCalculations(IEnumerable<GrassCoverErosionInwardsCalculation> calculations)
         {
             string message = RingtoetsCommonFormsResources.VerifyUpdate_Confirm_calculation_outputs_cleared;
             if (DikeProfileDependentDataShouldUpdate(calculations, message))
Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationReaderTest.cs
===================================================================
diff -u -ref881721312166028ed88eaa21dfd1ee8a5cbba4 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationReaderTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationReaderTest.cs)	(revision ef881721312166028ed88eaa21dfd1ee8a5cbba4)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.IO.Test/Configurations/GrassCoverErosionInwardsCalculationConfigurationReaderTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationReaderTest.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -230,7 +230,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -256,7 +256,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -274,7 +274,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -296,7 +296,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -329,7 +329,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -362,7 +362,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -394,7 +394,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -413,7 +413,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
@@ -432,7 +432,7 @@
             var reader = new GrassCoverErosionInwardsCalculationConfigurationReader(filePath);
 
             // Call
-            IList<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
+            List<IConfigurationItem> readConfigurationItems = reader.Read().ToList();
 
             // Assert
             Assert.AreEqual(1, readConfigurationItems.Count);
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Data/GrassCoverErosionOutwardsFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Data/GrassCoverErosionOutwardsFailureMechanism.cs	(.../GrassCoverErosionOutwardsFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Data/GrassCoverErosionOutwardsFailureMechanism.cs	(.../GrassCoverErosionOutwardsFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -38,7 +38,7 @@
     public class GrassCoverErosionOutwardsFailureMechanism : FailureMechanismBase,
                                                              IHasSectionResults<GrassCoverErosionOutwardsFailureMechanismSectionResult>
     {
-        private readonly IList<GrassCoverErosionOutwardsFailureMechanismSectionResult> sectionResults;
+        private readonly List<GrassCoverErosionOutwardsFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="GrassCoverErosionOutwardsFailureMechanism"/> class.
Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresFailureMechanism.cs	(.../HeightStructuresFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresFailureMechanism.cs	(.../HeightStructuresFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -36,7 +36,7 @@
     /// </summary>
     public class HeightStructuresFailureMechanism : FailureMechanismBase, ICalculatableFailureMechanism, IHasSectionResults<HeightStructuresFailureMechanismSectionResult>
     {
-        private readonly IList<HeightStructuresFailureMechanismSectionResult> sectionResults;
+        private readonly List<HeightStructuresFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Creates a new instance of the <see cref="HeightStructuresFailureMechanism"/> class.
Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs
===================================================================
diff -u -r964f8948f0ec59095ea9cc58fdabd706c4b17d22 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision 964f8948f0ec59095ea9cc58fdabd706c4b17d22)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -381,7 +381,7 @@
             };
         }
 
-        private static IEnumerable GetInputs(HeightStructuresFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
+        private static IList GetInputs(HeightStructuresFailureMechanism failureMechanism, IAssessmentSection assessmentSection)
         {
             return new ArrayList
             {
@@ -392,7 +392,7 @@
             };
         }
 
-        private static IEnumerable GetOutputs(HeightStructuresFailureMechanism failureMechanism)
+        private static IList GetOutputs(HeightStructuresFailureMechanism failureMechanism)
         {
             return new ArrayList
             {
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Services/HydraRingConfigurationService.cs
===================================================================
diff -u -rf8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Services/HydraRingConfigurationService.cs	(.../HydraRingConfigurationService.cs)	(revision f8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Services/HydraRingConfigurationService.cs	(.../HydraRingConfigurationService.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -64,7 +64,7 @@
         private const double defaultHydraRingValue = 0.0;
 
         private readonly double? defaultHydraRingNullValue = null;
-        private readonly IList<HydraRingCalculationInput> hydraRingInputs = new List<HydraRingCalculationInput>();
+        private readonly List<HydraRingCalculationInput> hydraRingInputs = new List<HydraRingCalculationInput>();
         private readonly FailureMechanismDefaultsProvider failureMechanismDefaultsProvider = new FailureMechanismDefaultsProvider();
         private readonly VariableDefaultsProvider variableDefaultsProvider = new VariableDefaultsProvider();
 
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/GrassCoverSlipOffInwardsFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/GrassCoverSlipOffInwardsFailureMechanism.cs	(.../GrassCoverSlipOffInwardsFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/GrassCoverSlipOffInwardsFailureMechanism.cs	(.../GrassCoverSlipOffInwardsFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class GrassCoverSlipOffInwardsFailureMechanism : FailureMechanismBase, IHasSectionResults<GrassCoverSlipOffInwardsFailureMechanismSectionResult>
     {
-        private readonly IList<GrassCoverSlipOffInwardsFailureMechanismSectionResult> sectionResults;
+        private readonly List<GrassCoverSlipOffInwardsFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="GrassCoverSlipOffInwardsFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/GrassCoverSlipOffOutwardsFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/GrassCoverSlipOffOutwardsFailureMechanism.cs	(.../GrassCoverSlipOffOutwardsFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/GrassCoverSlipOffOutwardsFailureMechanism.cs	(.../GrassCoverSlipOffOutwardsFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class GrassCoverSlipOffOutwardsFailureMechanism : FailureMechanismBase, IHasSectionResults<GrassCoverSlipOffOutwardsFailureMechanismSectionResult>
     {
-        private readonly IList<GrassCoverSlipOffOutwardsFailureMechanismSectionResult> sectionResults;
+        private readonly List<GrassCoverSlipOffOutwardsFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="GrassCoverSlipOffOutwardsFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/MacrostabilityOutwardsFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/MacrostabilityOutwardsFailureMechanism.cs	(.../MacrostabilityOutwardsFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/MacrostabilityOutwardsFailureMechanism.cs	(.../MacrostabilityOutwardsFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -29,11 +29,11 @@
 {
     /// <summary>
     /// Model containing input and output needed to perform different levels of the
-    /// Macrostability Outwards failure mechanism.
+    /// macro stability outwards failure mechanism.
     /// </summary>
     public class MacrostabilityOutwardsFailureMechanism : FailureMechanismBase, IHasSectionResults<MacrostabilityOutwardsFailureMechanismSectionResult>
     {
-        private readonly IList<MacrostabilityOutwardsFailureMechanismSectionResult> sectionResults;
+        private readonly List<MacrostabilityOutwardsFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MacrostabilityOutwardsFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/MicrostabilityFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/MicrostabilityFailureMechanism.cs	(.../MicrostabilityFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/MicrostabilityFailureMechanism.cs	(.../MicrostabilityFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -29,11 +29,11 @@
 {
     /// <summary>
     /// Model containing input and output needed to perform different levels of the
-    /// Microstability failure mechanism.
+    /// micro stability failure mechanism.
     /// </summary>
     public class MicrostabilityFailureMechanism : FailureMechanismBase, IHasSectionResults<MicrostabilityFailureMechanismSectionResult>
     {
-        private readonly IList<MicrostabilityFailureMechanismSectionResult> sectionResults;
+        private readonly List<MicrostabilityFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MicrostabilityFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/PipingStructureFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/PipingStructureFailureMechanism.cs	(.../PipingStructureFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/PipingStructureFailureMechanism.cs	(.../PipingStructureFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class PipingStructureFailureMechanism : FailureMechanismBase, IHasSectionResults<PipingStructureFailureMechanismSectionResult>
     {
-        private readonly IList<PipingStructureFailureMechanismSectionResult> sectionResults;
+        private readonly List<PipingStructureFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="PipingStructureFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/StrengthStabilityLengthwiseConstructionFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/StrengthStabilityLengthwiseConstructionFailureMechanism.cs	(.../StrengthStabilityLengthwiseConstructionFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/StrengthStabilityLengthwiseConstructionFailureMechanism.cs	(.../StrengthStabilityLengthwiseConstructionFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class StrengthStabilityLengthwiseConstructionFailureMechanism : FailureMechanismBase, IHasSectionResults<StrengthStabilityLengthwiseConstructionFailureMechanismSectionResult>
     {
-        private readonly IList<StrengthStabilityLengthwiseConstructionFailureMechanismSectionResult> sectionResults;
+        private readonly List<StrengthStabilityLengthwiseConstructionFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="StrengthStabilityLengthwiseConstructionFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/TechnicalInnovationFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/TechnicalInnovationFailureMechanism.cs	(.../TechnicalInnovationFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/TechnicalInnovationFailureMechanism.cs	(.../TechnicalInnovationFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class TechnicalInnovationFailureMechanism : FailureMechanismBase, IHasSectionResults<TechnicalInnovationFailureMechanismSectionResult>
     {
-        private readonly IList<TechnicalInnovationFailureMechanismSectionResult> sectionResults;
+        private readonly List<TechnicalInnovationFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="TechnicalInnovationFailureMechanism"/> class.
Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/WaterPressureAsphaltCoverFailureMechanism.cs
===================================================================
diff -u -r802ea30d1fe8fbae93e58dff9ab054dbabca11ae -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/WaterPressureAsphaltCoverFailureMechanism.cs	(.../WaterPressureAsphaltCoverFailureMechanism.cs)	(revision 802ea30d1fe8fbae93e58dff9ab054dbabca11ae)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/WaterPressureAsphaltCoverFailureMechanism.cs	(.../WaterPressureAsphaltCoverFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class WaterPressureAsphaltCoverFailureMechanism : FailureMechanismBase, IHasSectionResults<WaterPressureAsphaltCoverFailureMechanismSectionResult>
     {
-        private readonly IList<WaterPressureAsphaltCoverFailureMechanismSectionResult> sectionResults;
+        private readonly List<WaterPressureAsphaltCoverFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="WaterPressureAsphaltCoverFailureMechanism"/> class.
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class MacroStabilityInwardsFailureMechanism : FailureMechanismBase, ICalculatableFailureMechanism, IHasSectionResults<MacroStabilityInwardsFailureMechanismSectionResult>
     {
-        private readonly IList<MacroStabilityInwardsFailureMechanismSectionResult> sectionResults;
+        private readonly List<MacroStabilityInwardsFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MacroStabilityInwardsFailureMechanism"/> class.
Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs	(.../PipingFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs	(.../PipingFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class PipingFailureMechanism : FailureMechanismBase, ICalculatableFailureMechanism, IHasSectionResults<PipingFailureMechanismSectionResult>
     {
-        private readonly IList<PipingFailureMechanismSectionResult> sectionResults;
+        private readonly List<PipingFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="PipingFailureMechanism"/> class.
Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresFailureMechanism.cs	(.../StabilityPointStructuresFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Data/StabilityPointStructuresFailureMechanism.cs	(.../StabilityPointStructuresFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -37,7 +37,7 @@
     /// </summary>
     public class StabilityPointStructuresFailureMechanism : FailureMechanismBase, ICalculatableFailureMechanism, IHasSectionResults<StabilityPointStructuresFailureMechanismSectionResult>
     {
-        private readonly IList<StabilityPointStructuresFailureMechanismSectionResult> sectionResults;
+        private readonly List<StabilityPointStructuresFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="StabilityPointStructuresFailureMechanism"/> class.
Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Plugin/StabilityPointStructuresPlugin.cs
===================================================================
diff -u -r964f8948f0ec59095ea9cc58fdabd706c4b17d22 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Plugin/StabilityPointStructuresPlugin.cs	(.../StabilityPointStructuresPlugin.cs)	(revision 964f8948f0ec59095ea9cc58fdabd706c4b17d22)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Plugin/StabilityPointStructuresPlugin.cs	(.../StabilityPointStructuresPlugin.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -387,8 +387,8 @@
             };
         }
 
-        private static IEnumerable GetInputs(StabilityPointStructuresFailureMechanism failureMechanism,
-                                          IAssessmentSection assessmentSection)
+        private static IList GetInputs(StabilityPointStructuresFailureMechanism failureMechanism,
+                                       IAssessmentSection assessmentSection)
         {
             return new ArrayList
             {
@@ -399,7 +399,7 @@
             };
         }
 
-        private static IEnumerable GetOutputs(StabilityPointStructuresFailureMechanism failureMechanism)
+        private static IList GetOutputs(StabilityPointStructuresFailureMechanism failureMechanism)
         {
             return new ArrayList
             {
Index: Ringtoets/StabilityStoneCover/src/Ringtoets.StabilityStoneCover.Data/StabilityStoneCoverFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/StabilityStoneCover/src/Ringtoets.StabilityStoneCover.Data/StabilityStoneCoverFailureMechanism.cs	(.../StabilityStoneCoverFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/StabilityStoneCover/src/Ringtoets.StabilityStoneCover.Data/StabilityStoneCoverFailureMechanism.cs	(.../StabilityStoneCoverFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -35,7 +35,7 @@
     /// </summary>
     public class StabilityStoneCoverFailureMechanism : FailureMechanismBase, IHasSectionResults<StabilityStoneCoverFailureMechanismSectionResult>
     {
-        private readonly IList<StabilityStoneCoverFailureMechanismSectionResult> sectionResults;
+        private readonly List<StabilityStoneCoverFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="StabilityStoneCoverFailureMechanism"/> class.
Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Data/WaveImpactAsphaltCoverFailureMechanism.cs
===================================================================
diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Data/WaveImpactAsphaltCoverFailureMechanism.cs	(.../WaveImpactAsphaltCoverFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Data/WaveImpactAsphaltCoverFailureMechanism.cs	(.../WaveImpactAsphaltCoverFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -36,7 +36,7 @@
     /// </summary>
     public class WaveImpactAsphaltCoverFailureMechanism : FailureMechanismBase, IHasSectionResults<WaveImpactAsphaltCoverFailureMechanismSectionResult>
     {
-        private readonly IList<WaveImpactAsphaltCoverFailureMechanismSectionResult> sectionResults;
+        private readonly List<WaveImpactAsphaltCoverFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="WaveImpactAsphaltCoverFailureMechanism"/> class.