Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/Readers/PipingConfigurationReader.cs
===================================================================
diff -u -r14bc51c4c374a77f6e5b7e4f707eb0f412bb668a -r15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/Readers/PipingConfigurationReader.cs	(.../PipingConfigurationReader.cs)	(revision 14bc51c4c374a77f6e5b7e4f707eb0f412bb668a)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/Readers/PipingConfigurationReader.cs	(.../PipingConfigurationReader.cs)	(revision 15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01)
@@ -22,7 +22,6 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Xml;
 using System.Xml.Linq;
 using System.Xml.Schema;
@@ -40,6 +39,8 @@
     /// </summary>
     public class PipingConfigurationReader
     {
+        private readonly XDocument xmlDocument;
+
         /// <summary>
         /// Creates a new instance of <see cref="PipingConfigurationReader"/>.
         /// </summary>
@@ -58,7 +59,7 @@
 
             ValidateFileExists(xmlFilePath);
 
-            XDocument xmlDocument = LoadDocument(xmlFilePath);
+            xmlDocument = LoadDocument(xmlFilePath);
 
             ValidateToSchema(xmlDocument, xmlFilePath);
         }
@@ -69,7 +70,7 @@
         /// <returns>A collection of read <see cref="IReadPipingCalculationItem"/>.</returns>
         public IEnumerable<IReadPipingCalculationItem> Read()
         {
-            return Enumerable.Empty<IReadPipingCalculationItem>();
+            return ParseReadPipingCalculationItems(xmlDocument.Root.Elements()); // Note: root element is always present due to XSD validation
         }
 
         /// <summary>
@@ -129,6 +130,36 @@
             }
         }
 
+        private static IEnumerable<IReadPipingCalculationItem> ParseReadPipingCalculationItems(IEnumerable<XElement> elements)
+        {
+            foreach (XElement element in elements)
+            {
+                if (element.Name == "berekening")
+                {
+                    yield return ParseReadPipingCalculation(element);
+                }
+
+                if (element.Name == "folder")
+                {
+                    yield return ParseReadPipingCalculationGroup(element);
+                }
+            }
+        }
+
+        private static ReadPipingCalculationGroup ParseReadPipingCalculationGroup(XElement folderElement)
+        {
+            return new ReadPipingCalculationGroup(folderElement.Attribute("naam").Value,
+                                                  ParseReadPipingCalculationItems(folderElement.Elements()));
+        }
+
+        private static ReadPipingCalculation ParseReadPipingCalculation(XElement element)
+        {
+            return new ReadPipingCalculation(new ReadPipingCalculation.ConstructionProperties
+            {
+                Name = element.Attribute("naam").Value
+            });
+        }
+
         private static XmlSchemaSet LoadXmlSchema()
         {
             Stream schemaFile = AssemblyUtils.GetAssemblyResourceStream(typeof(PipingConfigurationReader).Assembly,
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Readers/PipingConfigurationReaderTest.cs
===================================================================
diff -u -r14bc51c4c374a77f6e5b7e4f707eb0f412bb668a -r15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Readers/PipingConfigurationReaderTest.cs	(.../PipingConfigurationReaderTest.cs)	(revision 14bc51c4c374a77f6e5b7e4f707eb0f412bb668a)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/Readers/PipingConfigurationReaderTest.cs	(.../PipingConfigurationReaderTest.cs)	(revision 15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01)
@@ -20,7 +20,9 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Xml;
 using System.Xml.Schema;
 using Core.Common.IO.Exceptions;
@@ -151,5 +153,60 @@
             Assert.AreEqual(expectedMessage, exception.Message);
             Assert.IsInstanceOf<XmlSchemaValidationException>(exception.InnerException);
         }
+
+        [Test]
+        public void Read_ValidConfigurationWithNesting_ReturnExpectedReadPipingCalculationItems()
+        {
+            // Setup
+            string filePath = Path.Combine(testDirectoryPath, "validConfigurationWithNesting.xml");
+            var pipingConfigurationReader = new PipingConfigurationReader(filePath);
+
+            // Call
+            IList<IReadPipingCalculationItem> readPipingCalculationItems = pipingConfigurationReader.Read().ToList();
+
+            // Assert
+            Assert.AreEqual(4, readPipingCalculationItems.Count);
+
+            var group1 = readPipingCalculationItems[0] as ReadPipingCalculationGroup;
+            Assert.IsNotNull(group1);
+            Assert.AreEqual("Group 1", group1.Name);
+
+            var calculation1 = readPipingCalculationItems[1] as ReadPipingCalculation;
+            Assert.IsNotNull(calculation1);
+            Assert.AreEqual("Calculation 1", calculation1.Name);
+
+            var group2 = readPipingCalculationItems[2] as ReadPipingCalculationGroup;
+            Assert.IsNotNull(group2);
+            Assert.AreEqual("Group 2", group2.Name);
+
+            var calculation2 = readPipingCalculationItems[3] as ReadPipingCalculation;
+            Assert.IsNotNull(calculation2);
+            Assert.AreEqual("Calculation 2", calculation2.Name);
+
+            List<IReadPipingCalculationItem> group1Items = group1.Items.ToList();
+            Assert.AreEqual(1, group1Items.Count);
+
+            var calculation3 = group1Items[0] as ReadPipingCalculation;
+            Assert.IsNotNull(calculation3);
+            Assert.AreEqual("Calculation 3", calculation3.Name);
+
+            List<IReadPipingCalculationItem> group2Items = group2.Items.ToList();
+            Assert.AreEqual(2, group2Items.Count);
+
+            var group3 = group2Items[0] as ReadPipingCalculationGroup;
+            Assert.IsNotNull(group3);
+            Assert.AreEqual("Group 3", group3.Name);
+
+            var calculation4 = group2Items[1] as ReadPipingCalculation;
+            Assert.IsNotNull(calculation4);
+            Assert.AreEqual("Calculation 4", calculation4.Name);
+
+            List<IReadPipingCalculationItem> group3Items = group3.Items.ToList();
+            Assert.AreEqual(1, group3Items.Count);
+
+            var calculation5 = group3Items[0] as ReadPipingCalculation;
+            Assert.IsNotNull(calculation5);
+            Assert.AreEqual("Calculation 5", calculation5.Name);
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/invalidXmlContent.xml
===================================================================
diff -u -refdfbe3c54d3743aa50b0fc7be73e417638f2732 -r15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/invalidXmlContent.xml	(.../invalidXmlContent.xml)	(revision efdfbe3c54d3743aa50b0fc7be73e417638f2732)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/invalidXmlContent.xml	(.../invalidXmlContent.xml)	(revision 15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01)
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <folder naam="PK001_0001">
-    <berekening naam="PK001_0001 W1-6_0_1D1">
+  <folder naam="Group 1">
+    <berekening naam="Calculation 1">
       <hrlocatie>PUNT_KAT_18</hrlocatie>
       <profielschematisatie>PK001_0001</profielschematisatie>
       <intredepunt>10.00</intredepunt>
@@ -18,7 +18,7 @@
       </stochast>
     </berekening>
   <folder>
-  <berekening naam="PK001_0002 W1-6_4_1D1">
+  <berekening naam="Calculation 2">
     <hrlocatie>PUNT_SCH_17</hrlocatie>
     <profielschematisatie>PK001_0002</profielschematisatie>
     <intredepunt>10.00</intredepunt>
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/validConfiguration.xml
===================================================================
diff -u -refdfbe3c54d3743aa50b0fc7be73e417638f2732 -r15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/validConfiguration.xml	(.../validConfiguration.xml)	(revision efdfbe3c54d3743aa50b0fc7be73e417638f2732)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/validConfiguration.xml	(.../validConfiguration.xml)	(revision 15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01)
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <folder naam="PK001_0001">
-    <berekening naam="PK001_0001 W1-6_0_1D1">
+  <folder naam="Group 1">
+    <berekening naam="Calculation 1">
       <hrlocatie>PUNT_KAT_18</hrlocatie>
       <profielschematisatie>PK001_0001</profielschematisatie>
       <intredepunt>10.00</intredepunt>
@@ -18,7 +18,7 @@
       </stochast>
     </berekening>
   </folder>
-  <berekening naam="PK001_0002 W1-6_4_1D1">
+  <berekening naam="Calculation 2">
     <hrlocatie>PUNT_SCH_17</hrlocatie>
     <profielschematisatie>PK001_0002</profielschematisatie>
     <intredepunt>10.00</intredepunt>
Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/validConfigurationWithNesting.xml
===================================================================
diff -u
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/validConfigurationWithNesting.xml	(revision 0)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/test-data/PipingConfigurationReader/validConfigurationWithNesting.xml	(revision 15d97cb9dc7d76f8c8f89261d7ea8a46b9643b01)
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <folder naam="Group 1">
+    <berekening naam="Calculation 3"/>
+  </folder>
+  <berekening naam="Calculation 1"/>
+  <folder naam="Group 2">
+    <folder naam="Group 3">
+      <berekening naam="Calculation 5"/>
+    </folder>
+    <berekening naam="Calculation 4"/>  
+  </folder>
+  <berekening naam="Calculation 2"/>
+</root>
\ No newline at end of file