Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/OvertoppingOutput.cs
===================================================================
diff -u -rb28a844780b613e1901fa82328ba3917f485c729 -rac1f0a30b87d9fa5dccb288115189b032035acde
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/OvertoppingOutput.cs	(.../OvertoppingOutput.cs)	(revision b28a844780b613e1901fa82328ba3917f485c729)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/OvertoppingOutput.cs	(.../OvertoppingOutput.cs)	(revision ac1f0a30b87d9fa5dccb288115189b032035acde)
@@ -29,7 +29,7 @@
     /// <summary>
     /// This class contains the result of an overtopping calculation.
     /// </summary>
-    public class OvertoppingOutput
+    public class OvertoppingOutput : ICloneable
     {
         /// <summary>
         /// Creates a new instance of <see cref="OvertoppingOutput"/>.
@@ -66,7 +66,7 @@
         /// <summary>
         /// Gets the probabilistic assessment output.
         /// </summary>
-        public ProbabilityAssessmentOutput ProbabilityAssessmentOutput { get; }
+        public ProbabilityAssessmentOutput ProbabilityAssessmentOutput { get; private set; }
 
         public bool HasWaveHeight
         {
@@ -91,5 +91,14 @@
         /// Gets the general result with the fault tree illustration points.
         /// </summary>
         public GeneralResult<TopLevelFaultTreeIllustrationPoint> GeneralResult { get; }
+
+        public object Clone()
+        {
+            var clone = (OvertoppingOutput) MemberwiseClone();
+
+            clone.ProbabilityAssessmentOutput = (ProbabilityAssessmentOutput) ProbabilityAssessmentOutput.Clone();
+
+            return clone;
+        }
     }
 }
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