Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/FailureMechanismEntityReadExtensions.cs
===================================================================
diff -u -r04cb34562587c9b06345f2e639c57394e6a7d0a7 -r811967790aed0c6617f36c2135016a5bc4aa8fcc
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/FailureMechanismEntityReadExtensions.cs	(.../FailureMechanismEntityReadExtensions.cs)	(revision 04cb34562587c9b06345f2e639c57394e6a7d0a7)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/FailureMechanismEntityReadExtensions.cs	(.../FailureMechanismEntityReadExtensions.cs)	(revision 811967790aed0c6617f36c2135016a5bc4aa8fcc)
@@ -359,6 +359,7 @@
             entity.ReadForeshoreProfiles(failureMechanism.ForeshoreProfiles, collector);
             entity.ReadClosingStructures(failureMechanism.ClosingStructures, collector);
             entity.ReadGeneralInput(failureMechanism.GeneralInput);
+            ReadClosingStructuresRootCalculationGroup(entity.CalculationGroupEntity, failureMechanism.CalculationsGroup, collector);
         }
 
         private static void ReadClosingStructuresMechanismSectionResults(this FailureMechanismEntity entity, ClosingStructuresFailureMechanism failureMechanism, ReadConversionCollector collector)
@@ -383,6 +384,17 @@
             closingStructures.AddRange(entity.ClosingStructureEntities.OrderBy(fpe => fpe.Order).Select(structureEntity => structureEntity.Read(collector)));
         }
 
+        private static void ReadClosingStructuresRootCalculationGroup(CalculationGroupEntity rootCalculationGroupEntity,
+                                                             CalculationGroup targetRootCalculationGroup,
+                                                             ReadConversionCollector collector)
+        {
+            CalculationGroup rootCalculationGroup = rootCalculationGroupEntity.ReadAsClosingStructuresCalculationGroup(collector);
+            foreach (ICalculationBase calculationBase in rootCalculationGroup.Children)
+            {
+                targetRootCalculationGroup.Children.Add(calculationBase);
+            }
+        }
+
         #endregion
 
         #region Macrostability Inwards