Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Handlers/ReferenceLineUpdateHandlerTest.cs
===================================================================
diff -u -r60c33e853468037d2d895f69a673d169947a29b6 -r1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Handlers/ReferenceLineUpdateHandlerTest.cs	(.../ReferenceLineUpdateHandlerTest.cs)	(revision 60c33e853468037d2d895f69a673d169947a29b6)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Handlers/ReferenceLineUpdateHandlerTest.cs	(.../ReferenceLineUpdateHandlerTest.cs)	(revision 1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064)
@@ -50,7 +50,7 @@
     [TestFixture]
     public class ReferenceLineUpdateHandlerTest : NUnitFormTest
     {
-        private const int expectedNumberOfRemovedInstances = 189;
+        private const int expectedNumberOfRemovedInstances = 191;
 
         [Test]
         public void Constructor_AssessmentSectionNull_ThrowsArgumentNullException()
@@ -207,7 +207,7 @@
             IObservable[] observables = handler.Update(assessmentSection.ReferenceLine, referenceLine).ToArray();
 
             // Assert
-            Assert.AreEqual(56, observables.Length);
+            Assert.AreEqual(57, observables.Length);
 
             PipingFailureMechanism pipingFailureMechanism = assessmentSection.Piping;
             CollectionAssert.IsEmpty(pipingFailureMechanism.Sections);
@@ -308,6 +308,7 @@
             MacroStabilityInwardsFailureMechanism macroStabilityInwardsFailureMechanism = assessmentSection.MacroStabilityInwards;
             CollectionAssert.IsEmpty(macroStabilityInwardsFailureMechanism.Sections);
             CollectionAssert.IsEmpty(macroStabilityInwardsFailureMechanism.SectionResults);
+            CollectionAssert.IsEmpty(macroStabilityInwardsFailureMechanism.SectionConfigurations);
             CollectionAssert.Contains(observables, macroStabilityInwardsFailureMechanism);
             CollectionAssert.Contains(observables, macroStabilityInwardsFailureMechanism.SectionResults);
             CollectionAssert.IsEmpty(macroStabilityInwardsFailureMechanism.CalculationsGroup.Children);
Index: Riskeer/Integration/test/Riskeer.Integration.Service.Test/RiskeerDataSynchronizationServiceTest.cs
===================================================================
diff -u -re7a22f0c8b54eac700d6f14718cf9f15a5aa54bc -r1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064
--- Riskeer/Integration/test/Riskeer.Integration.Service.Test/RiskeerDataSynchronizationServiceTest.cs	(.../RiskeerDataSynchronizationServiceTest.cs)	(revision e7a22f0c8b54eac700d6f14718cf9f15a5aa54bc)
+++ Riskeer/Integration/test/Riskeer.Integration.Service.Test/RiskeerDataSynchronizationServiceTest.cs	(.../RiskeerDataSynchronizationServiceTest.cs)	(revision 1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064)
@@ -1631,7 +1631,7 @@
         private static void AssertChangedObjects(ClearResults results, AssessmentSection assessmentSection)
         {
             IObservable[] changedObjects = results.ChangedObjects.ToArray();
-            Assert.AreEqual(56, changedObjects.Length);
+            Assert.AreEqual(57, changedObjects.Length);
 
             PipingFailureMechanism pipingFailureMechanism = assessmentSection.Piping;
             CollectionAssert.Contains(changedObjects, pipingFailureMechanism);
Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsDataSynchronizationService.cs
===================================================================
diff -u -r59482025a9b7fc432eaf09f808006f543dec5840 -r1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsDataSynchronizationService.cs	(.../MacroStabilityInwardsDataSynchronizationService.cs)	(revision 59482025a9b7fc432eaf09f808006f543dec5840)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.Service/MacroStabilityInwardsDataSynchronizationService.cs	(.../MacroStabilityInwardsDataSynchronizationService.cs)	(revision 1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064)
@@ -119,6 +119,7 @@
             var changedObjects = new Collection<IObservable>();
             object[] removedObjects = failureMechanism.Sections.OfType<object>()
                                                       .Concat(failureMechanism.SectionResults)
+                                                      .Concat(failureMechanism.SectionConfigurations)
                                                       .Concat(failureMechanism.CalculationsGroup.GetAllChildrenRecursive())
                                                       .Concat(failureMechanism.StochasticSoilModels)
                                                       .Concat(failureMechanism.SurfaceLines)
@@ -127,6 +128,7 @@
             failureMechanism.ClearAllSections();
             changedObjects.Add(failureMechanism);
             changedObjects.Add(failureMechanism.SectionResults);
+            changedObjects.Add(failureMechanism.SectionConfigurations);
 
             failureMechanism.CalculationsGroup.Children.Clear();
             changedObjects.Add(failureMechanism.CalculationsGroup);
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.Service.Test/MacroStabilityInwardsDataSynchronizationServiceTest.cs
===================================================================
diff -u -r59482025a9b7fc432eaf09f808006f543dec5840 -r1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.Service.Test/MacroStabilityInwardsDataSynchronizationServiceTest.cs	(.../MacroStabilityInwardsDataSynchronizationServiceTest.cs)	(revision 59482025a9b7fc432eaf09f808006f543dec5840)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.Service.Test/MacroStabilityInwardsDataSynchronizationServiceTest.cs	(.../MacroStabilityInwardsDataSynchronizationServiceTest.cs)	(revision 1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064)
@@ -191,6 +191,7 @@
 
             object[] expectedRemovedObjects = failureMechanism.Sections.OfType<object>()
                                                               .Concat(failureMechanism.SectionResults)
+                                                              .Concat(failureMechanism.SectionConfigurations)
                                                               .Concat(failureMechanism.CalculationsGroup.GetAllChildrenRecursive())
                                                               .Concat(failureMechanism.StochasticSoilModels)
                                                               .Concat(failureMechanism.SurfaceLines)
@@ -204,14 +205,16 @@
             // the return result, no ToArray() should be called before these assertions:
             CollectionAssert.IsEmpty(failureMechanism.Sections);
             CollectionAssert.IsEmpty(failureMechanism.SectionResults);
+            CollectionAssert.IsEmpty(failureMechanism.SectionConfigurations);
             CollectionAssert.IsEmpty(failureMechanism.CalculationsGroup.Children);
             CollectionAssert.IsEmpty(failureMechanism.StochasticSoilModels);
             CollectionAssert.IsEmpty(failureMechanism.SurfaceLines);
 
             IObservable[] array = results.ChangedObjects.ToArray();
-            Assert.AreEqual(5, array.Length);
+            Assert.AreEqual(6, array.Length);
             CollectionAssert.Contains(array, failureMechanism);
             CollectionAssert.Contains(array, failureMechanism.SectionResults);
+            CollectionAssert.Contains(array, failureMechanism.SectionConfigurations);
             CollectionAssert.Contains(array, failureMechanism.CalculationsGroup);
             CollectionAssert.Contains(array, failureMechanism.StochasticSoilModels);
             CollectionAssert.Contains(array, failureMechanism.SurfaceLines);
Index: Riskeer/Piping/test/Riskeer.Piping.Integration.Test/ProbabilisticPipingCalculationActivityIntegrationTest.cs
===================================================================
diff -u -rd73bdf6275dbff8f21b5eed34c1fcc4708999b34 -r1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064
--- Riskeer/Piping/test/Riskeer.Piping.Integration.Test/ProbabilisticPipingCalculationActivityIntegrationTest.cs	(.../ProbabilisticPipingCalculationActivityIntegrationTest.cs)	(revision d73bdf6275dbff8f21b5eed34c1fcc4708999b34)
+++ Riskeer/Piping/test/Riskeer.Piping.Integration.Test/ProbabilisticPipingCalculationActivityIntegrationTest.cs	(.../ProbabilisticPipingCalculationActivityIntegrationTest.cs)	(revision 1a920f4dfd257c0bafea1dc1af8e5ff0ac6ea064)
@@ -399,10 +399,10 @@
                 PipingFailureMechanismSectionConfiguration sectionConfiguration = failureMechanism.SectionConfigurations.Single(
                     c => calculation.IsSurfaceLineIntersectionWithReferenceLineInSection(
                         Math2D.ConvertPointsToLineSegments(c.Section.Points)));
-                double mechanismSensitiveSectionLength = sectionConfiguration.GetFailureMechanismSensitiveSectionLength();
+                double failureMechanismSensitiveSectionLength = sectionConfiguration.GetFailureMechanismSensitiveSectionLength();
 
                 AssertCalculatorInput(failureMechanism.GeneralInput, calculation.InputParameters, 0, profileSpecificInputs[0]);
-                AssertCalculatorInput(failureMechanism.GeneralInput, calculation.InputParameters, mechanismSensitiveSectionLength, sectionSpecificInputs[0]);
+                AssertCalculatorInput(failureMechanism.GeneralInput, calculation.InputParameters, failureMechanismSensitiveSectionLength, sectionSpecificInputs[0]);
             }
 
             mocks.VerifyAll();