Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilModel.cs
===================================================================
diff -u -r1b6b6e221ac583d9d24ec033972acf73ffe30c56 -rc1e57c344103b0219edc5bb853da2a0ca5c41877
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilModel.cs	(.../StochasticSoilModel.cs)	(revision 1b6b6e221ac583d9d24ec033972acf73ffe30c56)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/StochasticSoilModel.cs	(.../StochasticSoilModel.cs)	(revision c1e57c344103b0219edc5bb853da2a0ca5c41877)
@@ -22,6 +22,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using Core.Common.Base;
 using Core.Common.Base.Geometry;
 
 namespace Ringtoets.Piping.Data
@@ -30,7 +31,7 @@
     /// This class represents a stochastic soil model which consists out of a collection of <see cref="StochasticSoilProfile"/>. 
     /// A stochastic soil model contains a segment for which the model applies.
     /// </summary>
-    public class StochasticSoilModel
+    public class StochasticSoilModel : Observable
     {
         /// <summary>
         /// Creates a new instance of <see cref="StochasticSoilModel"/>.