Index: Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/IFailureMechanismContext.cs
===================================================================
diff -u -r743c32ba40bc0d0165d0513d6ca95282b1021e6a -r0a1752d24408af81508bc81d154293be23c9c4ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/IFailureMechanismContext.cs	(.../IFailureMechanismContext.cs)	(revision 743c32ba40bc0d0165d0513d6ca95282b1021e6a)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/PresentationObjects/IFailureMechanismContext.cs	(.../IFailureMechanismContext.cs)	(revision 0a1752d24408af81508bc81d154293be23c9c4ea)
@@ -3,7 +3,7 @@
 namespace Ringtoets.Common.Forms.PresentationObjects
 {
     /// <summary>
-    /// Interface for a failure mechanism context which wrappes an implementation of the 
+    /// Interface for a failure mechanism context which wraps an implementation of the 
     /// <see cref="IFailureMechanism"/> interface.
     /// </summary>
     /// <typeparam name="T"></typeparam>
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/TreeNodeInfos/RingtoetsContextMenuBuilder.cs
===================================================================
diff -u -r4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3 -r0a1752d24408af81508bc81d154293be23c9c4ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/TreeNodeInfos/RingtoetsContextMenuBuilder.cs	(.../RingtoetsContextMenuBuilder.cs)	(revision 4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/TreeNodeInfos/RingtoetsContextMenuBuilder.cs	(.../RingtoetsContextMenuBuilder.cs)	(revision 0a1752d24408af81508bc81d154293be23c9c4ea)
@@ -156,6 +156,22 @@
             return this;
         }
 
+        /// <summary>
+        /// Adds an item to the <see cref="ContextMenuStrip"/>, which performs all calculations in a failure mechanism.
+        /// </summary>
+        /// <typeparam name="TFailureMechanismContext">The type of the failure mechanism context.</typeparam>
+        /// <param name="failureMechanismContext">The failure mechanism to perform all calculations for.</param>
+        /// <param name="calculateAllAction">The action that performs all calculations.</param>
+        /// <returns>The <see cref="RingtoetsContextMenuBuilder"/> itself.</returns>
+        public RingtoetsContextMenuBuilder AddPerformAllCalculationsInFailureMechanismItem<TFailureMechanismContext>(
+            TFailureMechanismContext failureMechanismContext,
+            Action<TFailureMechanismContext> calculateAllAction)
+            where TFailureMechanismContext : IFailureMechanismContext<IFailureMechanism>
+        {
+            contextMenuBuilder.AddCustomItem(ringtoetsContextMenuItemFactory.CreatePerformAllCalculationsInFailureMechanismItem(failureMechanismContext, calculateAllAction));
+            return this;
+        }
+
         # region Decorated members
 
         /// <summary>
Index: Ringtoets/Common/src/Ringtoets.Common.Forms/TreeNodeInfos/RingtoetsContextMenuItemFactory.cs
===================================================================
diff -u -r4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3 -r0a1752d24408af81508bc81d154293be23c9c4ea
--- Ringtoets/Common/src/Ringtoets.Common.Forms/TreeNodeInfos/RingtoetsContextMenuItemFactory.cs	(.../RingtoetsContextMenuItemFactory.cs)	(revision 4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3)
+++ Ringtoets/Common/src/Ringtoets.Common.Forms/TreeNodeInfos/RingtoetsContextMenuItemFactory.cs	(.../RingtoetsContextMenuItemFactory.cs)	(revision 0a1752d24408af81508bc81d154293be23c9c4ea)
@@ -206,6 +206,34 @@
             return clearAllItem;
         }
 
+        /// <summary>
+        /// Creates a <see cref="StrictContextMenuItem"/> which is bound to the action of performing all calculations in a failure mechanism.
+        /// </summary>
+        /// <typeparam name="TFailureMechanismContext">The type of the failure mechanism context.</typeparam>
+        /// <param name="failureMechanismContext">The failure mechanism to perform all calculations for.</param>
+        /// <param name="calculateAllAction">The action that performs all calculations.</param>
+        /// <returns>The created <see cref="StrictContextMenuItem"/>.</returns>
+        public StrictContextMenuItem CreatePerformAllCalculationsInFailureMechanismItem<TFailureMechanismContext>(
+            TFailureMechanismContext failureMechanismContext,
+            Action<TFailureMechanismContext> calculateAllAction)
+            where TFailureMechanismContext : IFailureMechanismContext<IFailureMechanism>
+        {
+            var performAllItem = new StrictContextMenuItem(
+                Resources.Calculate_all,
+                Resources.Calculate_all_ToolTip,
+                Resources.CalculateAllIcon,
+                (o, args) => calculateAllAction(failureMechanismContext)
+                );
+
+            if (!failureMechanismContext.WrappedData.Calculations.Any())
+            {
+                performAllItem.Enabled = false;
+                performAllItem.ToolTipText = Resources.FailureMechanism_CreateCalculateAllItem_No_calculations_to_run;
+            }
+
+            return performAllItem;
+        }
+
         private static void ClearAllCalculationOutputInFailureMechanism(IFailureMechanism failureMechanism)
         {
             if (MessageBox.Show(Resources.FailureMechanism_ContextMenuStrip_Are_you_sure_clear_all_output, BaseResources.Confirm, MessageBoxButtons.OKCancel) != DialogResult.OK)
Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsGuiPlugin.cs
===================================================================
diff -u -r4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3 -r0a1752d24408af81508bc81d154293be23c9c4ea
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsGuiPlugin.cs	(.../GrassCoverErosionInwardsGuiPlugin.cs)	(revision 4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsGuiPlugin.cs	(.../GrassCoverErosionInwardsGuiPlugin.cs)	(revision 0a1752d24408af81508bc81d154293be23c9c4ea)
@@ -255,15 +255,13 @@
                     grassCoverErosionInwardsFailureMechanismContext.WrappedData.NotifyObservers();
                 });
 
-            var calculateAllItem = CreateCalculateAllItem(grassCoverErosionInwardsFailureMechanismContext);
-
             var builder = new RingtoetsContextMenuBuilder(Gui.Get(grassCoverErosionInwardsFailureMechanismContext, treeViewControl));
             return builder
                 .AddOpenItem()
                 .AddSeparator()
                 .AddCustomItem(changeRelevancyItem)
                 .AddSeparator()
-                .AddCustomItem(calculateAllItem)
+                .AddPerformAllCalculationsInFailureMechanismItem(grassCoverErosionInwardsFailureMechanismContext, CalculateAll)
                 .AddClearAllCalculationOutputInFailureMechanismItem(grassCoverErosionInwardsFailureMechanismContext.WrappedData)
                 .AddSeparator()
                 .AddImportItem()
@@ -287,11 +285,6 @@
                           .Build();
         }
 
-        private static IEnumerable<GrassCoverErosionInwardsCalculation> GetAllCalculations(GrassCoverErosionInwardsFailureMechanism failureMechanism)
-        {
-            return failureMechanism.Calculations.OfType<GrassCoverErosionInwardsCalculation>();
-        }
-
         private static void AddCalculation(GrassCoverErosionInwardsCalculationGroupContext context)
         {
             var calculation = new GrassCoverErosionInwardsCalculation(context.FailureMechanism.GeneralInput)
@@ -302,27 +295,9 @@
             context.WrappedData.NotifyObservers();
         }
 
-        private StrictContextMenuItem CreateCalculateAllItem(GrassCoverErosionInwardsFailureMechanismContext context)
-        {
-            var menuItem = new StrictContextMenuItem(
-                RingtoetsCommonFormsResources.Calculate_all,
-                RingtoetsCommonFormsResources.Calculate_all_ToolTip,
-                RingtoetsCommonFormsResources.CalculateAllIcon,
-                (o, args) => CalculateAll(context)
-                );
-
-            if (!GetAllCalculations(context.WrappedData).Any())
-            {
-                menuItem.Enabled = false;
-                menuItem.ToolTipText = RingtoetsCommonFormsResources.FailureMechanism_CreateCalculateAllItem_No_calculations_to_run;
-            }
-
-            return menuItem;
-        }
-
         private void CalculateAll(GrassCoverErosionInwardsFailureMechanismContext context)
         {
-            CalculateAll(context.WrappedData, GetAllCalculations(context.WrappedData), context.Parent);
+            CalculateAll(context.WrappedData, context.WrappedData.Calculations.OfType<GrassCoverErosionInwardsCalculation>(), context.Parent);
         }
 
         #endregion
Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs
===================================================================
diff -u -r4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3 -r0a1752d24408af81508bc81d154293be23c9c4ea
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs	(.../PipingGuiPlugin.cs)	(revision 4d711e7b0e3a8e91c9afc0339e3f7dadaf619fc3)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingGuiPlugin.cs	(.../PipingGuiPlugin.cs)	(revision 0a1752d24408af81508bc81d154293be23c9c4ea)
@@ -288,16 +288,14 @@
 
             var validateAllItem = CreateValidateAllItem(pipingFailureMechanismContext.WrappedData);
 
-            var calculateAllItem = CreateCalculateAllItem(pipingFailureMechanismContext.WrappedData);
-
             var builder = new RingtoetsContextMenuBuilder(Gui.Get(pipingFailureMechanismContext, treeViewControl));
             return builder
                 .AddOpenItem()
                 .AddSeparator()
                 .AddCustomItem(changeRelevancyItem)
                 .AddSeparator()
                 .AddCustomItem(validateAllItem)
-                .AddCustomItem(calculateAllItem)
+                .AddPerformAllCalculationsInFailureMechanismItem(pipingFailureMechanismContext, CalculateAll)
                 .AddClearAllCalculationOutputInFailureMechanismItem(pipingFailureMechanismContext.WrappedData)
                 .AddSeparator()
                 .AddImportItem()
@@ -326,24 +324,6 @@
             return failureMechanism.Calculations.OfType<PipingCalculation>();
         }
 
-        private StrictContextMenuItem CreateCalculateAllItem(PipingFailureMechanism failureMechanism)
-        {
-            var menuItem = new StrictContextMenuItem(
-                RingtoetsCommonFormsResources.Calculate_all,
-                RingtoetsCommonFormsResources.Calculate_all_ToolTip,
-                RingtoetsCommonFormsResources.CalculateAllIcon,
-                (o, args) => CalculateAll(failureMechanism)
-                );
-
-            if (!GetAllPipingCalculations(failureMechanism).Any())
-            {
-                menuItem.Enabled = false;
-                menuItem.ToolTipText = RingtoetsCommonFormsResources.FailureMechanism_CreateCalculateAllItem_No_calculations_to_run;
-            }
-
-            return menuItem;
-        }
-
         private StrictContextMenuItem CreateValidateAllItem(PipingFailureMechanism failureMechanism)
         {
             var menuItem = new StrictContextMenuItem(
@@ -370,9 +350,9 @@
             }
         }
 
-        private void CalculateAll(PipingFailureMechanism failureMechanism)
+        private void CalculateAll(PipingFailureMechanismContext failureMechanismContext)
         {
-            ActivityProgressDialogRunner.Run(Gui.MainWindow, GetAllPipingCalculations(failureMechanism).Select(calc => new PipingCalculationActivity(calc)).ToList());
+            ActivityProgressDialogRunner.Run(Gui.MainWindow, GetAllPipingCalculations(failureMechanismContext.WrappedData).Select(calc => new PipingCalculationActivity(calc)).ToList());
         }
 
         private object[] FailureMechanismEnabledChildNodeObjects(PipingFailureMechanismContext pipingFailureMechanismContext)