Index: Ringtoets/Piping/src/Ringtoets.Piping.Primitives/PipingSoilLayer.cs
===================================================================
diff -u -r10779bb6a6db2d00f4627b2bc190e7e35e1fee3e -rb6432b2cbcb2db9bd326d9f006fb2d8b2528d263
--- Ringtoets/Piping/src/Ringtoets.Piping.Primitives/PipingSoilLayer.cs	(.../PipingSoilLayer.cs)	(revision 10779bb6a6db2d00f4627b2bc190e7e35e1fee3e)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Primitives/PipingSoilLayer.cs	(.../PipingSoilLayer.cs)	(revision b6432b2cbcb2db9bd326d9f006fb2d8b2528d263)
@@ -19,13 +19,15 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using Core.Common.Base.Storage;
+
 namespace Ringtoets.Piping.Primitives
 {
     /// <summary>
     /// This class represents profiles that were imported from D-Soil Model and will later on be used to create the
     /// necessary input for executing a piping calculation.
     /// </summary>
-    public class PipingSoilLayer
+    public class PipingSoilLayer : IStorable
     {
         /// <summary>
         /// Creates a new instance of <see cref="PipingSoilLayer"/>, where the top is set to <paramref name="top"/>.
@@ -62,5 +64,7 @@
         /// Gets or sets the dry unit weight for the <see cref="PipingSoilLayer"/>.
         /// </summary>
         public double? DryUnitWeight { get; set; }
+
+        public long StorageId { get; set; }
     }
 }
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