Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs
===================================================================
diff -u -r8b60c9e846480f3ffeeb263bfea5d3367bf6bee3 -r167493b614f6802d9771dca9997b11dcc5c64a83
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs	(.../ClosingStructuresPlugin.cs)	(revision 8b60c9e846480f3ffeeb263bfea5d3367bf6bee3)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs	(.../ClosingStructuresPlugin.cs)	(revision 167493b614f6802d9771dca9997b11dcc5c64a83)
@@ -723,6 +723,8 @@
             StructuresCalculation<ClosingStructuresInput> calculation = context.WrappedData;
             return builder.AddExportItem()
                           .AddSeparator()
+                          .AddDuplicateCalculationItem(calculation, context)
+                          .AddSeparator()
                           .AddRenameItem()
                           .AddUpdateForeshoreProfileOfCalculationItem(calculation,
                                                                       inquiryHelper,