Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs
===================================================================
diff -u -r5fcfd3d73f28585c211086ad413fc5d177ecd6b2 -r2a896243ca24205f8e98db1b61e8148d1d9b9062
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision 5fcfd3d73f28585c211086ad413fc5d177ecd6b2)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision 2a896243ca24205f8e98db1b61e8148d1d9b9062)
@@ -26,17 +26,14 @@
 using Core.Common.IO.Exceptions;
 using log4net;
 using Ringtoets.Common.Data.AssessmentSection;
-using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.IO.HydraRing;
 using Ringtoets.Common.Service;
 using Ringtoets.Common.Service.ValidationRules;
-using Ringtoets.Common.Utils;
 using Ringtoets.HeightStructures.Data;
 using Ringtoets.HeightStructures.Service.Properties;
 using Ringtoets.HydraRing.Calculation.Calculator;
 using Ringtoets.HydraRing.Calculation.Calculator.Factory;
-using Ringtoets.HydraRing.Calculation.Data;
 using Ringtoets.HydraRing.Calculation.Data.Input.Structures;
 using Ringtoets.HydraRing.Calculation.Exceptions;
 using RingtoetsCommonServiceResources = Ringtoets.Common.Service.Properties.Resources;
@@ -131,12 +128,9 @@
             }
 
             var calculationName = calculation.Name;
+            
+            StructuresOvertoppingCalculationInput input = CreateInput(calculation, failureMechanism.GeneralInput, hydraulicBoundaryDatabaseFilePath);
 
-            FailureMechanismSection failureMechanismSection = StructuresHelper.GetFailureMechanismSectionForCalculation(failureMechanism.Sections,
-                                                                                                                        calculation);
-
-            StructuresOvertoppingCalculationInput input = CreateInput(calculation, failureMechanismSection, failureMechanism.GeneralInput, hydraulicBoundaryDatabaseFilePath);
-
             string hlcdDirectory = Path.GetDirectoryName(hydraulicBoundaryDatabaseFilePath);
             calculator = HydraRingCalculatorFactory.Instance.CreateStructuresOvertoppingCalculator(hlcdDirectory, assessmentSection.Id);
 
@@ -216,13 +210,12 @@
         /// </exception>
         private static StructuresOvertoppingCalculationInput CreateInput(
             StructuresCalculation<HeightStructuresInput> calculation,
-            FailureMechanismSection failureMechanismSection,
             GeneralHeightStructuresInput generalInput,
             string hydraulicBoundaryDatabaseFilePath)
         {
             var structuresOvertoppingCalculationInput = new StructuresOvertoppingCalculationInput(
                 calculation.InputParameters.HydraulicBoundaryLocation.Id,
-                new HydraRingSection(1, failureMechanismSection.GetSectionLength(), calculation.InputParameters.StructureNormalOrientation),
+                calculation.InputParameters.StructureNormalOrientation,
                 HydraRingInputParser.ParseForeshore(calculation.InputParameters),
                 HydraRingInputParser.ParseBreakWater(calculation.InputParameters),
                 generalInput.GravitationalAcceleration,