Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/PresentationObjects/PipingCalculationScenarioContext.cs
===================================================================
diff -u -rb1a215180352084c8f320439c1893c639917f338 -r6821ff075261a98f42221ccc796d007ca11a93fe
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/PresentationObjects/PipingCalculationScenarioContext.cs	(.../PipingCalculationScenarioContext.cs)	(revision b1a215180352084c8f320439c1893c639917f338)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/PresentationObjects/PipingCalculationScenarioContext.cs	(.../PipingCalculationScenarioContext.cs)	(revision 6821ff075261a98f42221ccc796d007ca11a93fe)
@@ -21,6 +21,7 @@
 
 using System.Collections.Generic;
 using Ringtoets.Common.Data.AssessmentSection;
+using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Piping.Data;
 using Ringtoets.Piping.Primitives;
 
@@ -30,7 +31,7 @@
     /// Presentation object for all data required to configure an instance of <see cref="PipingCalculation"/>
     /// in order to prepare it for performing a calculation.
     /// </summary>
-    public class PipingCalculationScenarioContext : PipingContext<PipingCalculationScenario>
+    public class PipingCalculationScenarioContext : PipingContext<PipingCalculationScenario>, ICalculationContext<PipingCalculationScenario, PipingFailureMechanism>
     {
         /// <summary>
         /// Initializes a new instance of the <see cref="PipingCalculationScenarioContext"/> class.