Index: Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryCalculationSettings.cs
===================================================================
diff -u -r59c26a72b1017bdb20e45a2301d8a109f5f16f5f -r3ff86742b1fa9935c42f90d951df9c20bbbf7b8f
--- Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryCalculationSettings.cs	(.../HydraulicBoundaryCalculationSettings.cs)	(revision 59c26a72b1017bdb20e45a2301d8a109f5f16f5f)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryCalculationSettings.cs	(.../HydraulicBoundaryCalculationSettings.cs)	(revision 3ff86742b1fa9935c42f90d951df9c20bbbf7b8f)
@@ -1,6 +1,4 @@
-using System;
-
-namespace Ringtoets.Common.Data.Hydraulics
+namespace Ringtoets.Common.Data.Hydraulics
 {
     /// <summary>
     /// Class which holds all hydraulic boundary calculations settings.
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryCalculationSettingsFactory.cs
===================================================================
diff -u -r1a75c0f703334eacfc82f695b38405ccb9313add -r3ff86742b1fa9935c42f90d951df9c20bbbf7b8f
--- Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryCalculationSettingsFactory.cs	(.../HydraulicBoundaryCalculationSettingsFactory.cs)	(revision 1a75c0f703334eacfc82f695b38405ccb9313add)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Hydraulics/HydraulicBoundaryCalculationSettingsFactory.cs	(.../HydraulicBoundaryCalculationSettingsFactory.cs)	(revision 3ff86742b1fa9935c42f90d951df9c20bbbf7b8f)
@@ -23,16 +23,16 @@
             }
 
             string hydraulicBoundaryDatabaseFilePath = hydraulicBoundaryDatabase.FilePath;
-            string hydraulicBoundaryDatabaseDirectory = null;
+            string hlcdFilePath = null;
 
             if (!string.IsNullOrWhiteSpace(hydraulicBoundaryDatabaseFilePath))
             {
                 string directory = Path.GetDirectoryName(hydraulicBoundaryDatabaseFilePath);
-                hydraulicBoundaryDatabaseDirectory = Path.Combine(directory, "HLCD.sqlite");
+                hlcdFilePath = Path.Combine(directory, "HLCD.sqlite");
             }
 
             return new HydraulicBoundaryCalculationSettings(hydraulicBoundaryDatabaseFilePath,
-                                                            hydraulicBoundaryDatabaseDirectory,
+                                                            hlcdFilePath,
                                                             hydraulicBoundaryDatabase.EffectivePreprocessorDirectory());
         }
     }
Index: Ringtoets/Common/src/Ringtoets.Common.Service/HydraRingCalculationSettingsFactory.cs
===================================================================
diff -u
--- Ringtoets/Common/src/Ringtoets.Common.Service/HydraRingCalculationSettingsFactory.cs	(revision 0)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/HydraRingCalculationSettingsFactory.cs	(revision 3ff86742b1fa9935c42f90d951df9c20bbbf7b8f)
@@ -0,0 +1,32 @@
+using System;
+using Ringtoets.Common.Data.Hydraulics;
+using Ringtoets.HydraRing.Calculation.Data.Input;
+
+namespace Ringtoets.Common.Service
+{
+    /// <summary>
+    /// Factory to create instances of <see cref="HydraRingCalculationSettings"/>.
+    /// </summary>
+    public static class HydraRingCalculationSettingsFactory
+    {
+        /// <summary>
+        /// Creates a new instance of a <see cref="HydraRingCalculationSettings"/>
+        /// based on a <see cref="HydraulicBoundaryCalculationSettings"/>.
+        /// </summary>
+        /// <param name="hydraulicBoundaryCalculationSettings">The <see cref="HydraulicBoundaryCalculationSettings"/>
+        /// to create a <see cref="HydraRingCalculationSettings"/> for.</param>
+        /// <returns>A <see cref="HydraRingCalculationSettings"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hydraulicBoundaryCalculationSettings"/>
+        /// is <c>null</c>.</exception>
+        public static HydraRingCalculationSettings CreateSettings(HydraulicBoundaryCalculationSettings hydraulicBoundaryCalculationSettings)
+        {
+            if (hydraulicBoundaryCalculationSettings == null)
+            {
+                throw new ArgumentNullException(nameof(hydraulicBoundaryCalculationSettings));
+            }
+
+            return new HydraRingCalculationSettings(hydraulicBoundaryCalculationSettings.HlcdFilePath,
+                                                    hydraulicBoundaryCalculationSettings.PreprocessorDirectory);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/src/Ringtoets.Common.Service/Ringtoets.Common.Service.csproj
===================================================================
diff -u -rca294adc98299b17393265233305360300e8b0ef -r3ff86742b1fa9935c42f90d951df9c20bbbf7b8f
--- Ringtoets/Common/src/Ringtoets.Common.Service/Ringtoets.Common.Service.csproj	(.../Ringtoets.Common.Service.csproj)	(revision ca294adc98299b17393265233305360300e8b0ef)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/Ringtoets.Common.Service.csproj	(.../Ringtoets.Common.Service.csproj)	(revision 3ff86742b1fa9935c42f90d951df9c20bbbf7b8f)
@@ -16,6 +16,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="CalculatableActivity.cs" />
+    <Compile Include="HydraRingCalculationSettingsFactory.cs" />
     <Compile Include="HydraulicBoundaryLocationCalculationActivityFactory.cs" />
     <Compile Include="TargetProbabilityCalculationServiceHelper.cs" />
     <Compile Include="CalculationServiceHelper.cs" />
Index: Ringtoets/Common/test/Ringtoets.Common.Service.Test/HydraRingCalculationSettingsFactoryTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Service.Test/HydraRingCalculationSettingsFactoryTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.Test/HydraRingCalculationSettingsFactoryTest.cs	(revision 3ff86742b1fa9935c42f90d951df9c20bbbf7b8f)
@@ -0,0 +1,38 @@
+using System;
+using NUnit.Framework;
+using Ringtoets.Common.Data.Hydraulics;
+using Ringtoets.HydraRing.Calculation.Data.Input;
+
+namespace Ringtoets.Common.Service.Test
+{
+    [TestFixture]
+    public class HydraRingCalculationSettingsFactoryTest
+    {
+        [Test]
+        public void CreateSettings_HydraulicBoundaryCalculationSettingsNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => HydraRingCalculationSettingsFactory.CreateSettings(null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("hydraulicBoundaryCalculationSettings", exception.ParamName);
+        }
+
+        [Test]
+        public void CreateSettings_WithHydraulicBoundaryCalculationSettings_ReturnsExpectedSettings()
+        {
+            // Setup
+            var hydraulicBoundaryCalculationSettings = new HydraulicBoundaryCalculationSettings("HydraulicBoundaryDataBaseFilePath",
+                                                                                                "hlcdFilePath",
+                                                                                                "preprocessorDirectory");
+
+            // Call
+            HydraRingCalculationSettings hydraRingCalculationSettings = HydraRingCalculationSettingsFactory.CreateSettings(hydraulicBoundaryCalculationSettings);
+
+            // Assert
+            Assert.AreEqual(hydraulicBoundaryCalculationSettings.HlcdFilePath, hydraRingCalculationSettings.HlcdFilePath);
+            Assert.AreEqual(hydraulicBoundaryCalculationSettings.PreprocessorDirectory, hydraRingCalculationSettings.PreprocessorDirectory);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Service.Test/Ringtoets.Common.Service.Test.csproj
===================================================================
diff -u -rca294adc98299b17393265233305360300e8b0ef -r3ff86742b1fa9935c42f90d951df9c20bbbf7b8f
--- Ringtoets/Common/test/Ringtoets.Common.Service.Test/Ringtoets.Common.Service.Test.csproj	(.../Ringtoets.Common.Service.Test.csproj)	(revision ca294adc98299b17393265233305360300e8b0ef)
+++ Ringtoets/Common/test/Ringtoets.Common.Service.Test/Ringtoets.Common.Service.Test.csproj	(.../Ringtoets.Common.Service.Test.csproj)	(revision 3ff86742b1fa9935c42f90d951df9c20bbbf7b8f)
@@ -29,6 +29,7 @@
   <ItemGroup>
     <Compile Include="CalculatableActivityTest.cs" />
     <Compile Include="ClearResultsTest.cs" />
+    <Compile Include="HydraRingCalculationSettingsFactoryTest.cs" />
     <Compile Include="HydraRingInputParserTest.cs" />
     <Compile Include="CalculationServiceHelperTest.cs" />
     <Compile Include="DesignWaterLevelCalculationActivityTest.cs" />