Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/PipingSoilProfileReader.cs
===================================================================
diff -u -rf69d756f50ae1464a1a11f0780b6d6aa646f3114 -r2a49b7243807fe0b95136efd55652201164a6c74
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/PipingSoilProfileReader.cs	(.../PipingSoilProfileReader.cs)	(revision f69d756f50ae1464a1a11f0780b6d6aa646f3114)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/PipingSoilProfileReader.cs	(.../PipingSoilProfileReader.cs)	(revision 2a49b7243807fe0b95136efd55652201164a6c74)
@@ -124,7 +124,7 @@
 
             for (var i = 1; i <= layerCount; i++)
             {
-                soilProfileBuilder.Add(ReadPipingSoilLayer());
+                soilProfileBuilder.Add(ReadPipingSoilLayer().AsPipingSoilLayer());
                 MoveNext();
             }
 
@@ -278,15 +278,15 @@
             }
         }
 
-        private PipingSoilLayer ReadPipingSoilLayer()
+        private SoilLayer1D ReadPipingSoilLayer()
         {
             var topValue = TryRead<double>(topColumn);
             var isAquiferValue = TryRead<double?>(isAquiferColumn);
             var belowPhreaticLevelValue = TryRead<double?>(belowPhreaticLevelColumn);
             var abovePhreaticLevelValue = TryRead<double?>(abovePhreaticLevelColumn);
             var dryUnitWeightValue = TryRead<double?>(dryUnitWeightColumn);
 
-            var pipingSoilLayer = new PipingSoilLayer(topValue)
+            var pipingSoilLayer = new SoilLayer1D(topValue)
             {
                 IsAquifer = isAquiferValue,
                 BelowPhreaticLevel = belowPhreaticLevelValue,