Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionBoundaryCalculationService.cs
===================================================================
diff -u -r6a8d4edb0f3b2d00d3958c48146c51487bd01247 -rf67fc935cc7113eed98fa3bb12ae61188bf59697
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionBoundaryCalculationService.cs	(.../DuneErosionBoundaryCalculationService.cs)	(revision 6a8d4edb0f3b2d00d3958c48146c51487bd01247)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionBoundaryCalculationService.cs	(.../DuneErosionBoundaryCalculationService.cs)	(revision f67fc935cc7113eed98fa3bb12ae61188bf59697)
@@ -20,9 +20,7 @@
 // All rights reserved.
 
 using System;
-using System.ComponentModel;
 using System.IO;
-using System.Security;
 using Core.Common.IO.Exceptions;
 using Core.Common.Utils;
 using log4net;
@@ -32,7 +30,6 @@
 using Ringtoets.DuneErosion.Service.Properties;
 using Ringtoets.HydraRing.Calculation.Calculator;
 using Ringtoets.HydraRing.Calculation.Calculator.Factory;
-using Ringtoets.HydraRing.Calculation.Data.Input;
 using Ringtoets.HydraRing.Calculation.Data.Input.Hydraulics;
 using Ringtoets.HydraRing.Calculation.Exceptions;
 
@@ -154,11 +151,7 @@
         /// </summary>
         public void Cancel()
         {
-            if (calculator != null)
-            {
-                calculator.Cancel();
-            }
-
+            calculator?.Cancel();
             canceled = true;
         }
 
@@ -250,7 +243,7 @@
                                                                            double norm,
                                                                            string hydraulicBoundaryDatabaseFilePath)
         {
-            var dunesBoundaryConditionsCalculationInput = new DunesBoundaryConditionsCalculationInput(1, duneLocation.Id, norm, duneLocation.Orientation);
+            var dunesBoundaryConditionsCalculationInput = new DunesBoundaryConditionsCalculationInput(1, duneLocation.Id, norm);
             HydraRingSettingsDatabaseHelper.AssignSettingsFromDatabase(dunesBoundaryConditionsCalculationInput, hydraulicBoundaryDatabaseFilePath);
             return dunesBoundaryConditionsCalculationInput;
         }
Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionBoundaryCalculationServiceTest.cs
===================================================================
diff -u -r5fcfd3d73f28585c211086ad413fc5d177ecd6b2 -rf67fc935cc7113eed98fa3bb12ae61188bf59697
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionBoundaryCalculationServiceTest.cs	(.../DuneErosionBoundaryCalculationServiceTest.cs)	(revision 5fcfd3d73f28585c211086ad413fc5d177ecd6b2)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneErosionBoundaryCalculationServiceTest.cs	(.../DuneErosionBoundaryCalculationServiceTest.cs)	(revision f67fc935cc7113eed98fa3bb12ae61188bf59697)
@@ -125,9 +125,9 @@
                                              var msgs = messages.ToArray();
                                              Assert.AreEqual(3, msgs.Length);
                                              var name = duneLocation.Name;
-                                             StringAssert.StartsWith(string.Format("Berekening van '{0}' gestart om: ", name), msgs[0]);
+                                             StringAssert.StartsWith($"Berekening van '{name}' gestart om: ", msgs[0]);
                                              Assert.AreEqual($"De berekening voor duinafslag '{duneLocation.Name}' is niet gelukt. De bijdrage van het toetsspoor moet een getal boven 0 zijn.", msgs[1]);
-                                             StringAssert.StartsWith(string.Format("Berekening van '{0}' beëindigd om: ", name), msgs[2]);
+                                             StringAssert.StartsWith($"Berekening van '{name}' beëindigd om: ", msgs[2]);
                                          });
             Assert.IsTrue(exceptionThrown);
             mocks.VerifyAll();
@@ -626,7 +626,7 @@
 
         private static DunesBoundaryConditionsCalculationInput CreateInput(DuneLocation duneLocation, double norm)
         {
-            return new DunesBoundaryConditionsCalculationInput(1, duneLocation.Id, norm, duneLocation.Orientation);
+            return new DunesBoundaryConditionsCalculationInput(1, duneLocation.Id, norm);
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Hydraulics/DunesBoundaryConditionsCalculationInput.cs
===================================================================
diff -u -ra131a156219bcec5b997f17b66db69dbd80b70a6 -rf67fc935cc7113eed98fa3bb12ae61188bf59697
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Hydraulics/DunesBoundaryConditionsCalculationInput.cs	(.../DunesBoundaryConditionsCalculationInput.cs)	(revision a131a156219bcec5b997f17b66db69dbd80b70a6)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/Hydraulics/DunesBoundaryConditionsCalculationInput.cs	(.../DunesBoundaryConditionsCalculationInput.cs)	(revision f67fc935cc7113eed98fa3bb12ae61188bf59697)
@@ -26,43 +26,17 @@
     /// </summary>
     public class DunesBoundaryConditionsCalculationInput : AssessmentLevelCalculationInput
     {
-        private readonly HydraRingSection section;
-
         /// <summary>
         /// Creates a new instance of the <see cref="DunesBoundaryConditionsCalculationInput"/> class.
         /// </summary>
         /// <param name="sectionId">The id of the section.</param>
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic boundary location.</param>
         /// <param name="norm">The norm.</param>
-        /// <param name="sectionNormal">The normal of the section</param>
-        public DunesBoundaryConditionsCalculationInput(int sectionId, long hydraulicBoundaryLocationId, double norm, double sectionNormal)
-            : base(sectionId, hydraulicBoundaryLocationId, norm)
-        {
-            section = new HydraRingSection(1, double.NaN, sectionNormal);
-        }
+        public DunesBoundaryConditionsCalculationInput(int sectionId, long hydraulicBoundaryLocationId, double norm)
+            : base(sectionId, hydraulicBoundaryLocationId, norm) {}
 
-        public override HydraRingFailureMechanismType FailureMechanismType
-        {
-            get
-            {
-                return HydraRingFailureMechanismType.DunesBoundaryConditions;
-            }
-        }
+        public override HydraRingFailureMechanismType FailureMechanismType { get; } = HydraRingFailureMechanismType.DunesBoundaryConditions;
 
-        public override int CalculationTypeId
-        {
-            get
-            {
-                return 2;
-            }
-        }
-
-        public override HydraRingSection Section
-        {
-            get
-            {
-                return section;
-            }
-        }
+        public override int CalculationTypeId { get; } = 2;
     }
 }
\ No newline at end of file
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Hydraulics/DunesBoundaryConditionsCalculationInputTest.cs
===================================================================
diff -u -ra131a156219bcec5b997f17b66db69dbd80b70a6 -rf67fc935cc7113eed98fa3bb12ae61188bf59697
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Hydraulics/DunesBoundaryConditionsCalculationInputTest.cs	(.../DunesBoundaryConditionsCalculationInputTest.cs)	(revision a131a156219bcec5b997f17b66db69dbd80b70a6)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Hydraulics/DunesBoundaryConditionsCalculationInputTest.cs	(.../DunesBoundaryConditionsCalculationInputTest.cs)	(revision f67fc935cc7113eed98fa3bb12ae61188bf59697)
@@ -38,10 +38,9 @@
             const double norm = 1.0/10000;
             const int sectionId = 1;
             const long hydraulicBoundaryLocationId = 1234;
-            const double orientation = 100;
 
             // Call
-            var dunesBoundaryConditionsCalculationInput = new DunesBoundaryConditionsCalculationInput(sectionId, hydraulicBoundaryLocationId, norm, orientation);
+            var dunesBoundaryConditionsCalculationInput = new DunesBoundaryConditionsCalculationInput(sectionId, hydraulicBoundaryLocationId, norm);
 
             // Assert
             double expectedBeta = StatisticsConverter.ProbabilityToReliability(norm);
@@ -56,10 +55,10 @@
             Assert.IsNull(dunesBoundaryConditionsCalculationInput.BreakWater);
             Assert.AreEqual(expectedBeta, dunesBoundaryConditionsCalculationInput.Beta);
 
-            var section = dunesBoundaryConditionsCalculationInput.Section;
+            HydraRingSection section = dunesBoundaryConditionsCalculationInput.Section;
             Assert.AreEqual(sectionId, section.SectionId);
             Assert.IsNaN(section.SectionLength);
-            Assert.AreEqual(orientation, section.CrossSectionNormal);
+            Assert.IsNaN(section.CrossSectionNormal);
 
             HydraRingVariable[] hydraRingVariables = dunesBoundaryConditionsCalculationInput.Variables.ToArray();
             Assert.AreEqual(1, hydraRingVariables.Length);
@@ -73,7 +72,7 @@
         public void GetSubMechanismModelId_ReturnsExpectedValues()
         {
             // Call
-            var dunesBoundaryConditionsCalculationInput = new DunesBoundaryConditionsCalculationInput(1, 1, 2.2, 3.3);
+            var dunesBoundaryConditionsCalculationInput = new DunesBoundaryConditionsCalculationInput(1, 1, 2.2);
 
             // Assert
             Assert.IsNull(dunesBoundaryConditionsCalculationInput.GetSubMechanismModelId(1));
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Integration/HydraRingConfigurationServiceIntegrationTest.cs
===================================================================
diff -u -r2a896243ca24205f8e98db1b61e8148d1d9b9062 -rf67fc935cc7113eed98fa3bb12ae61188bf59697
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Integration/HydraRingConfigurationServiceIntegrationTest.cs	(.../HydraRingConfigurationServiceIntegrationTest.cs)	(revision 2a896243ca24205f8e98db1b61e8148d1d9b9062)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Integration/HydraRingConfigurationServiceIntegrationTest.cs	(.../HydraRingConfigurationServiceIntegrationTest.cs)	(revision f67fc935cc7113eed98fa3bb12ae61188bf59697)
@@ -2050,7 +2050,7 @@
             // Setup
             var hydraRingConfigurationService = new HydraRingConfigurationService("34-1", HydraRingUncertaintiesType.All);
 
-            hydraRingConfigurationService.AddHydraRingCalculationInput(new DunesBoundaryConditionsCalculationInput(1, 700004, 1.0/10000, 360)
+            hydraRingConfigurationService.AddHydraRingCalculationInput(new DunesBoundaryConditionsCalculationInput(1, 700004, 1.0/10000)
             {
                 DesignTablesSetting = new DesignTablesSetting(1.1, 2.2),
                 NumericsSettings = new Dictionary<int, NumericsSetting>
@@ -2066,7 +2066,7 @@
                                             "INSERT INTO [HydraulicModels] VALUES (1, 1, 'WTI 2017');" + Environment.NewLine +
                                             Environment.NewLine +
                                             "DELETE FROM [Sections];" + Environment.NewLine +
-                                            "INSERT INTO [Sections] VALUES (1, 1, 1, 1, 1, 0, 0, 0, 0, 700004, 700004, 100, 360, 0);" + Environment.NewLine +
+                                            "INSERT INTO [Sections] VALUES (1, 1, 1, 1, 1, 0, 0, 0, 0, 700004, 700004, 100, 0, 0);" + Environment.NewLine +
                                             Environment.NewLine +
                                             "DELETE FROM [SectionCalculationSchemes];" + Environment.NewLine +
                                             "INSERT INTO [SectionCalculationSchemes] VALUES (1, 1, 1);" + Environment.NewLine +