Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/PresentationObjects/PipingCalculationContext.cs
===================================================================
diff -u -rfbb37872d09f1ded75ce2209e8e48a6b64d8a78f -r95487d39e17289b2a656e34d85b808186222c0ee
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/PresentationObjects/PipingCalculationContext.cs	(.../PipingCalculationContext.cs)	(revision fbb37872d09f1ded75ce2209e8e48a6b64d8a78f)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/PresentationObjects/PipingCalculationContext.cs	(.../PipingCalculationContext.cs)	(revision 95487d39e17289b2a656e34d85b808186222c0ee)
@@ -19,8 +19,10 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times. 
 // All rights reserved.
 
+using System;
 using System.Collections.Generic;
 using Ringtoets.Piping.Data;
+using Ringtoets.Piping.Forms.Properties;
 
 namespace Ringtoets.Piping.Forms.PresentationObjects
 {
@@ -36,12 +38,29 @@
         /// <param name="calculation">The <see cref="PipingCalculation"/> instance wrapped by this context object.</param>
         /// <param name="surfaceLines">The surface lines available within the piping context.</param>
         /// <param name="soilProfiles">The soil profiles available within the piping context.</param>
+        /// <param name="pipingFailureMechanism">The piping failure mechanism which the piping context belongs to.</param>
         public PipingCalculationContext(PipingCalculation calculation,
                                         IEnumerable<RingtoetsPipingSurfaceLine> surfaceLines,
-                                        IEnumerable<PipingSoilProfile> soilProfiles)
-            : base(calculation, surfaceLines, soilProfiles) {}
+                                        IEnumerable<PipingSoilProfile> soilProfiles,
+                                        PipingFailureMechanism pipingFailureMechanism)
+            : base(calculation, surfaceLines, soilProfiles)
+        {
+            if (pipingFailureMechanism == null)
+            {
+                var message = String.Format(Resources.PipingContext_AssertInputsAreNotNull_DataDescription_0_cannot_be_null,
+                                            Resources.PipingContext_DataDescription_PipingFailureMechanism);
+                throw new ArgumentNullException("pipingFailureMechanism", message);
+            }
 
+            PipingFailureMechanism = pipingFailureMechanism;
+        }
+
         /// <summary>
+        /// Gets the piping failure mechanism which the piping context belongs to.
+        /// </summary>
+        public PipingFailureMechanism PipingFailureMechanism { get; private set; }
+
+        /// <summary>
         /// Clears the output of the <see cref="PipingCalculationContext"/>.
         /// </summary>
         public void ClearOutput()