Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs
===================================================================
diff -u -r8b60c9e846480f3ffeeb263bfea5d3367bf6bee3 -r46f086e68a57ff5a578d684cbfeecbf22abd9551
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision 8b60c9e846480f3ffeeb263bfea5d3367bf6bee3)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision 46f086e68a57ff5a578d684cbfeecbf22abd9551)
@@ -735,6 +735,8 @@
             StructuresCalculation<HeightStructuresInput> calculation = context.WrappedData;
             return builder.AddExportItem()
                           .AddSeparator()
+                          .AddDuplicateCalculationItem(calculation, context)
+                          .AddSeparator()
                           .AddRenameItem()
                           .AddUpdateForeshoreProfileOfCalculationItem(calculation,
                                                                       inquiryHelper,