Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Data/ClosingStructuresInput.cs
===================================================================
diff -u -rcf60de33a75f1d729639a4ba7f30e3b319f9ed6d -rca6ec12fb540f0a56a12e363dc1eb3cff066d6cd
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Data/ClosingStructuresInput.cs	(.../ClosingStructuresInput.cs)	(revision cf60de33a75f1d729639a4ba7f30e3b319f9ed6d)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Data/ClosingStructuresInput.cs	(.../ClosingStructuresInput.cs)	(revision ca6ec12fb540f0a56a12e363dc1eb3cff066d6cd)
@@ -38,11 +38,11 @@
         private static readonly Range<RoundedDouble> deviationWaveDirectionValidityRange = new Range<RoundedDouble>(new RoundedDouble(deviationWaveDirectionNumberOfDecimals, -360),
                                                                                                                     new RoundedDouble(deviationWaveDirectionNumberOfDecimals, 360));
 
-        private readonly NormalDistribution thresholdHeightOpenWeir;
-        private readonly NormalDistribution drainCoefficient;
-        private readonly LogNormalDistribution areaFlowApertures;
-        private readonly NormalDistribution levelCrestStructureNotClosing;
-        private readonly NormalDistribution insideWaterLevel;
+        private NormalDistribution thresholdHeightOpenWeir;
+        private NormalDistribution drainCoefficient;
+        private LogNormalDistribution areaFlowApertures;
+        private NormalDistribution levelCrestStructureNotClosing;
+        private NormalDistribution insideWaterLevel;
         private RoundedDouble factorStormDurationOpenStructure;
         private double failureProbabilityOpenStructure;
         private double failureProbabilityReparation;
@@ -71,15 +71,6 @@
             SetDefaultSchematizationProperties();
         }
 
-        #region Structure
-
-        /// <summary>
-        /// Gets or sets the type of closing structure inflow model.
-        /// </summary>
-        public ClosingStructureInflowModelType InflowModelType { get; set; }
-
-        #endregion
-
         public override bool IsStructureInputSynchronized
         {
             get
@@ -103,6 +94,15 @@
             }
         }
 
+        #region Structure
+
+        /// <summary>
+        /// Gets or sets the type of closing structure inflow model.
+        /// </summary>
+        public ClosingStructureInflowModelType InflowModelType { get; set; }
+
+        #endregion
+
         public override void SynchronizeStructureInput()
         {
             if (Structure != null)
@@ -129,6 +129,19 @@
             }
         }
 
+        public override object Clone()
+        {
+            var clone = (ClosingStructuresInput) base.Clone();
+
+            clone.thresholdHeightOpenWeir = (NormalDistribution) ThresholdHeightOpenWeir.Clone();
+            clone.drainCoefficient = (NormalDistribution) DrainCoefficient.Clone();
+            clone.areaFlowApertures = (LogNormalDistribution) AreaFlowApertures.Clone();
+            clone.levelCrestStructureNotClosing = (NormalDistribution) LevelCrestStructureNotClosing.Clone();
+            clone.insideWaterLevel = (NormalDistribution) InsideWaterLevel.Clone();
+
+            return clone;
+        }
+
         private void SetDefaultSchematizationProperties()
         {
             FailureProbabilityOpenStructure = 0;
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs
===================================================================
diff -u -rbf3379d1adf449816e6fe5f941604ce2e6d0b707 -rca6ec12fb540f0a56a12e363dc1eb3cff066d6cd
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs	(.../ClosingStructuresInputTest.cs)	(revision bf3379d1adf449816e6fe5f941604ce2e6d0b707)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/ClosingStructuresInputTest.cs	(.../ClosingStructuresInputTest.cs)	(revision ca6ec12fb540f0a56a12e363dc1eb3cff066d6cd)
@@ -28,6 +28,8 @@
 using Ringtoets.Common.Data.Probabilistics;
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.Data.TestUtil;
+using CoreCloneAssert = Core.Common.Data.TestUtil.CloneAssert;
+using ClosingStructuresCloneAssert = Ringtoets.ClosingStructures.Data.TestUtil.CloneAssert;
 
 namespace Ringtoets.ClosingStructures.Data.Test
 {
@@ -286,6 +288,21 @@
             AssertClosingStructureInput(differentStructure, input);
         }
 
+        [Test]
+        public void Clone_Always_ReturnNewInstanceWithCopiedValues()
+        {
+            // Setup
+            var original = new ClosingStructuresInput();
+
+            ClosingStructuresTestDataGenerator.SetRandomDataToClosingStructuresInput(original);
+
+            // Call
+            object clone = original.Clone();
+
+            // Assert
+            CoreCloneAssert.AreObjectClones(original, clone, ClosingStructuresCloneAssert.AreClones);
+        }
+
         #region Hydraulic data
 
         [Test]
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/Ringtoets.ClosingStructures.Data.Test.csproj
===================================================================
diff -u -r7b7bd75dc1c1327386c9be96b5d480565bb8ecd6 -rca6ec12fb540f0a56a12e363dc1eb3cff066d6cd
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/Ringtoets.ClosingStructures.Data.Test.csproj	(.../Ringtoets.ClosingStructures.Data.Test.csproj)	(revision 7b7bd75dc1c1327386c9be96b5d480565bb8ecd6)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.Test/Ringtoets.ClosingStructures.Data.Test.csproj	(.../Ringtoets.ClosingStructures.Data.Test.csproj)	(revision ca6ec12fb540f0a56a12e363dc1eb3cff066d6cd)
@@ -71,6 +71,10 @@
       <Project>{3BBFD65B-B277-4E50-AE6D-BD24C3434609}</Project>
       <Name>Core.Common.Base</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.Data.TestUtil\Core.Common.Data.TestUtil.csproj">
+      <Project>{0b0d2dff-7e7e-4bb0-a007-61800c85809a}</Project>
+      <Name>Core.Common.Data.TestUtil</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.TestUtil\Core.Common.TestUtil.csproj">
       <Project>{D749EE4C-CE50-4C17-BF01-9A953028C126}</Project>
       <Name>Core.Common.TestUtil</Name>
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/CloneAssert.cs
===================================================================
diff -u
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/CloneAssert.cs	(revision 0)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/CloneAssert.cs	(revision ca6ec12fb540f0a56a12e363dc1eb3cff066d6cd)
@@ -0,0 +1,60 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using NUnit.Framework;
+using Ringtoets.Common.Data.TestUtil;
+using CoreCloneAssert = Core.Common.Data.TestUtil.CloneAssert;
+using CommonCloneAssert = Ringtoets.Common.Data.TestUtil.CloneAssert;
+
+namespace Ringtoets.ClosingStructures.Data.TestUtil
+{
+    /// <summary>
+    /// Class that defines methods for asserting whether two objects are clones.
+    /// </summary>
+    public static class CloneAssert
+    {
+        /// <summary>
+        /// Method that asserts whether <paramref name="original"/> and <paramref name="clone"/>
+        /// are clones.
+        /// </summary>
+        /// <param name="original">The original object.</param>
+        /// <param name="clone">The cloned object.</param>
+        /// <exception cref="AssertionException">Thrown when <paramref name="original"/> and
+        /// <paramref name="clone"/> are not clones.</exception>
+        public static void AreClones(ClosingStructuresInput original, ClosingStructuresInput clone)
+        {
+            CommonCloneAssert.AreClones(original, clone);
+
+            CoreCloneAssert.AreObjectClones(original.ThresholdHeightOpenWeir, clone.ThresholdHeightOpenWeir, DistributionAssert.AreEqual);
+            CoreCloneAssert.AreObjectClones(original.DrainCoefficient, clone.DrainCoefficient, DistributionAssert.AreEqual);
+            CoreCloneAssert.AreObjectClones(original.AreaFlowApertures, clone.AreaFlowApertures, DistributionAssert.AreEqual);
+            CoreCloneAssert.AreObjectClones(original.LevelCrestStructureNotClosing, clone.LevelCrestStructureNotClosing, DistributionAssert.AreEqual);
+            CoreCloneAssert.AreObjectClones(original.InsideWaterLevel, clone.InsideWaterLevel, DistributionAssert.AreEqual);
+            Assert.AreEqual(original.FactorStormDurationOpenStructure, clone.FactorStormDurationOpenStructure);
+            Assert.AreEqual(original.FailureProbabilityOpenStructure, clone.FailureProbabilityOpenStructure);
+            Assert.AreEqual(original.FailureProbabilityReparation, clone.FailureProbabilityReparation);
+            Assert.AreEqual(original.ProbabilityOrFrequencyOpenStructureBeforeFlooding, clone.ProbabilityOrFrequencyOpenStructureBeforeFlooding);
+            Assert.AreEqual(original.DeviationWaveDirection, clone.DeviationWaveDirection);
+            Assert.AreEqual(original.InflowModelType, clone.InflowModelType);
+            Assert.AreEqual(original.IdenticalApertures, clone.IdenticalApertures);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/ClosingStructuresTestDataGenerator.cs
===================================================================
diff -u
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/ClosingStructuresTestDataGenerator.cs	(revision 0)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/ClosingStructuresTestDataGenerator.cs	(revision ca6ec12fb540f0a56a12e363dc1eb3cff066d6cd)
@@ -0,0 +1,84 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Core.Common.TestUtil;
+using Ringtoets.Common.Data.Probabilistics;
+using Ringtoets.Common.Data.TestUtil;
+
+namespace Ringtoets.ClosingStructures.Data.TestUtil
+{
+    /// <summary>
+    /// Class responsible for generating test data configurations.
+    /// </summary>
+    public static class ClosingStructuresTestDataGenerator
+    {
+        /// <summary>
+        /// This method sets random data values to all properties of <paramref name="input"/>.
+        /// </summary>
+        /// <param name="input">The input to set the random data values to.</param>
+        public static void SetRandomDataToClosingStructuresInput(ClosingStructuresInput input)
+        {
+            var random = new Random(21);
+
+            input.Structure = new TestClosingStructure();
+
+            input.ThresholdHeightOpenWeir = new NormalDistribution
+            {
+                Mean = random.NextRoundedDouble(),
+                StandardDeviation = random.NextRoundedDouble()
+            };
+
+            input.DrainCoefficient = new NormalDistribution
+            {
+                Mean = random.NextRoundedDouble()
+            };
+
+            input.AreaFlowApertures = new LogNormalDistribution
+            {
+                Mean = random.NextRoundedDouble(),
+                StandardDeviation = random.NextRoundedDouble()
+            };
+
+            input.LevelCrestStructureNotClosing = new NormalDistribution
+            {
+                Mean = random.NextRoundedDouble(),
+                StandardDeviation = random.NextRoundedDouble()
+            };
+
+            input.InsideWaterLevel = new NormalDistribution
+            {
+                Mean = random.NextRoundedDouble(),
+                StandardDeviation = random.NextRoundedDouble()
+            };
+
+            input.FactorStormDurationOpenStructure = random.NextRoundedDouble();
+            input.FailureProbabilityOpenStructure = random.NextDouble();
+            input.FailureProbabilityReparation = random.NextDouble();
+            input.ProbabilityOrFrequencyOpenStructureBeforeFlooding = random.NextDouble();
+            input.DeviationWaveDirection = random.NextRoundedDouble();
+            input.InflowModelType = random.NextEnumValue<ClosingStructureInflowModelType>();
+            input.IdenticalApertures = random.Next();
+
+            CommonTestDataGenerator.SetRandomDataToStructuresInput(input);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/Ringtoets.ClosingStructures.Data.TestUtil.csproj
===================================================================
diff -u -r7b7bd75dc1c1327386c9be96b5d480565bb8ecd6 -rca6ec12fb540f0a56a12e363dc1eb3cff066d6cd
--- Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/Ringtoets.ClosingStructures.Data.TestUtil.csproj	(.../Ringtoets.ClosingStructures.Data.TestUtil.csproj)	(revision 7b7bd75dc1c1327386c9be96b5d480565bb8ecd6)
+++ Ringtoets/ClosingStructures/test/Ringtoets.ClosingStructures.Data.TestUtil/Ringtoets.ClosingStructures.Data.TestUtil.csproj	(.../Ringtoets.ClosingStructures.Data.TestUtil.csproj)	(revision ca6ec12fb540f0a56a12e363dc1eb3cff066d6cd)
@@ -49,7 +49,9 @@
     <Compile Include="..\..\..\..\Core\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="CloneAssert.cs" />
     <Compile Include="ClosingStructurePermutationHelper.cs" />
+    <Compile Include="ClosingStructuresTestDataGenerator.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="TestClosingStructure.cs" />
     <Compile Include="TestClosingStructuresCalculation.cs" />
@@ -66,6 +68,10 @@
       <Project>{3bbfd65b-b277-4e50-ae6d-bd24c3434609}</Project>
       <Name>Core.Common.Base</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.Data.TestUtil\Core.Common.Data.TestUtil.csproj">
+      <Project>{0b0d2dff-7e7e-4bb0-a007-61800c85809a}</Project>
+      <Name>Core.Common.Data.TestUtil</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\..\Core\Common\test\Core.Common.TestUtil\Core.Common.TestUtil.csproj">
       <Project>{D749EE4C-CE50-4C17-BF01-9A953028C126}</Project>
       <Name>Core.Common.TestUtil</Name>
@@ -74,6 +80,10 @@
       <Project>{d4200f43-3f72-4f42-af0a-8ced416a38ec}</Project>
       <Name>Ringtoets.Common.Data</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Common\test\Ringtoets.Common.Data.TestUtil\Ringtoets.Common.Data.TestUtil.csproj">
+      <Project>{4843D6E5-066F-4795-94F5-1D53932DD03C}</Project>
+      <Name>Ringtoets.Common.Data.TestUtil</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\src\Ringtoets.ClosingStructures.Data\Ringtoets.ClosingStructures.Data.csproj">
       <Project>{c6309704-d67b-434c-bc98-9f8910bc1d10}</Project>
       <Name>Ringtoets.ClosingStructures.Data</Name>