Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingSoilLayer.cs
===================================================================
diff -u -ra950714ad9510756331d862aa35695fa0b2ed03b -ra140d91d4a6eb13a999467f3613605b82066e585
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingSoilLayer.cs	(.../PipingSoilLayer.cs)	(revision a950714ad9510756331d862aa35695fa0b2ed03b)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingSoilLayer.cs	(.../PipingSoilLayer.cs)	(revision a140d91d4a6eb13a999467f3613605b82066e585)
@@ -9,5 +9,9 @@
 
         public double Top { get; private set; }
         public bool IsAquifer { get; set; }
+
+        public double? AbovePhreaticLevel { get; set; }
+        public double? BelowPhreaticLevel { get; set; }
+        public double? DryUnitWeight { get; set; }
     }
 }
\ No newline at end of file