Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Importers/PipingConfigurationImporter.cs
===================================================================
diff -u -r8f228044569bcff77f25f658a7e5277e78b6b6a8 -r309837df48178bbae93c412badfda6c0de5da6a4
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Importers/PipingConfigurationImporter.cs	(.../PipingConfigurationImporter.cs)	(revision 8f228044569bcff77f25f658a7e5277e78b6b6a8)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Importers/PipingConfigurationImporter.cs	(.../PipingConfigurationImporter.cs)	(revision 309837df48178bbae93c412badfda6c0de5da6a4)
@@ -35,15 +35,14 @@
 using Ringtoets.Piping.IO.Readers;
 using Ringtoets.Piping.IO.Schema;
 using Ringtoets.Piping.Primitives;
-using RingtoetsCommonIOResources = Ringtoets.Common.IO.Properties.Resources;
 
 namespace Ringtoets.Piping.IO.Importers
 {
     /// <summary>
     /// Imports a piping configuration from an XML file and stores it on a
     /// <see cref="CalculationGroup"/>.
     /// </summary>
-    public class PipingConfigurationImporter : CalculationConfigurationImporter
+    public class PipingConfigurationImporter : CalculationConfigurationImporter<ReadPipingCalculation>
     {
         private static readonly ILog log = LogManager.GetLogger(typeof(PipingConfigurationImporter));
 
@@ -79,46 +78,13 @@
             this.failureMechanism = failureMechanism;
         }
 
-        protected override ICalculationBase ProcessReadItem(IReadConfigurationItem readItem)
-        {
-            var readCalculationGroup = readItem as ReadCalculationGroup;
-            if (readCalculationGroup != null)
-            {
-                return ProcessCalculationGroup(readCalculationGroup);
-            }
-
-            var readCalculation = readItem as ReadPipingCalculation;
-            if (readCalculation != null)
-            {
-                return ProcessCalculation(readCalculation);
-            }
-
-            return null;
-        }
-
         protected override ICollection<IReadConfigurationItem> ReadConfigurationItems(string filePath)
         {
             return new PipingConfigurationReader(FilePath).Read().ToList();
         }
 
-        private CalculationGroup ProcessCalculationGroup(ReadCalculationGroup readCalculationGroup)
+        protected override ICalculationBase ProcessCalculation(ReadPipingCalculation readCalculation)
         {
-            var group = new CalculationGroup(readCalculationGroup.Name, true);
-
-            foreach (IReadConfigurationItem item in readCalculationGroup.Items)
-            {
-                ICalculationBase processedItem = ProcessReadItem(item);
-                if (processedItem != null)
-                {
-                    group.Children.Add(processedItem);
-                }
-            }
-
-            return group;
-        }
-
-        private PipingCalculationScenario ProcessCalculation(ReadPipingCalculation readCalculation)
-        {
             var pipingCalculation = new PipingCalculationScenario(new GeneralPipingInput())
             {
                 Name = readCalculation.Name