Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsSlipPlaneUpliftVan.cs
===================================================================
diff -u -r0f736d81afe800a482dff027fe93128a5e967114 -r4cbf31a1ae47d22c811e4a8d8f8e6d0f89ddc202
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsSlipPlaneUpliftVan.cs	(.../MacroStabilityInwardsSlipPlaneUpliftVan.cs)	(revision 0f736d81afe800a482dff027fe93128a5e967114)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsSlipPlaneUpliftVan.cs	(.../MacroStabilityInwardsSlipPlaneUpliftVan.cs)	(revision 4cbf31a1ae47d22c811e4a8d8f8e6d0f89ddc202)
@@ -21,13 +21,14 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace Ringtoets.MacroStabilityInwards.Data
 {
     /// <summary>
     /// The Uplift Van calculation grid of a macro stability calculation.
     /// </summary>
-    public class MacroStabilityInwardsSlipPlaneUpliftVan
+    public class MacroStabilityInwardsSlipPlaneUpliftVan : ICloneable
     {
         /// <summary>
         /// Creates a new instance of <see cref="MacroStabilityInwardsSlipPlaneUpliftVan"/>.
@@ -61,16 +62,26 @@
         /// <summary>
         /// Gets the left grid result.
         /// </summary>
-        public MacroStabilityInwardsGrid LeftGrid { get; }
+        public MacroStabilityInwardsGrid LeftGrid { get; private set; }
 
         /// <summary>
         /// Gets the right grid result.
         /// </summary>
-        public MacroStabilityInwardsGrid RightGrid { get; }
+        public MacroStabilityInwardsGrid RightGrid { get; private set; }
 
         /// <summary>
         /// Gets the tangent lines result.
         /// </summary>
-        public IEnumerable<double> TangentLines { get; }
+        public IEnumerable<double> TangentLines { get; private set; }
+
+        public object Clone()
+        {
+            var clone = (MacroStabilityInwardsSlipPlaneUpliftVan) MemberwiseClone();
+            clone.LeftGrid = (MacroStabilityInwardsGrid) LeftGrid.Clone();
+            clone.RightGrid = (MacroStabilityInwardsGrid) RightGrid.Clone();
+            clone.TangentLines = TangentLines.ToArray();
+
+            return clone;
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/MacroStabilityInwardsSlipPlaneUpliftVanTest.cs
===================================================================
diff -u -r0f736d81afe800a482dff027fe93128a5e967114 -r4cbf31a1ae47d22c811e4a8d8f8e6d0f89ddc202
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/MacroStabilityInwardsSlipPlaneUpliftVanTest.cs	(.../MacroStabilityInwardsSlipPlaneUpliftVanTest.cs)	(revision 0f736d81afe800a482dff027fe93128a5e967114)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.Test/MacroStabilityInwardsSlipPlaneUpliftVanTest.cs	(.../MacroStabilityInwardsSlipPlaneUpliftVanTest.cs)	(revision 4cbf31a1ae47d22c811e4a8d8f8e6d0f89ddc202)
@@ -20,7 +20,9 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
+using Core.Common.Data.TestUtil;
 using NUnit.Framework;
 using Ringtoets.MacroStabilityInwards.Data.TestUtil;
 
@@ -78,21 +80,36 @@
             // Setup
             MacroStabilityInwardsGrid leftGrid = MacroStabilityInwardsGridTestFactory.Create();
             MacroStabilityInwardsGrid rightGrid = MacroStabilityInwardsGridTestFactory.Create();
-            var tangentLines = new[]
-            {
-                0,
-                1,
-                1.5,
-                2
-            };
+            IEnumerable<double> tangentLines = Enumerable.Empty<double>();
 
             // Call
             var result = new MacroStabilityInwardsSlipPlaneUpliftVan(leftGrid, rightGrid, tangentLines);
 
             // Assert
+            Assert.IsInstanceOf<ICloneable>(result);
+
             Assert.AreSame(leftGrid, result.LeftGrid);
             Assert.AreSame(rightGrid, result.RightGrid);
             Assert.AreSame(tangentLines, result.TangentLines);
         }
+
+        [Test]
+        public void Clone_Always_ReturnNewInstanceWithCopiedValues()
+        {
+            // Setup
+            var random = new Random(21);
+            var original = new MacroStabilityInwardsSlipPlaneUpliftVan(MacroStabilityInwardsGridTestFactory.Create(),
+                                                                       MacroStabilityInwardsGridTestFactory.Create(),
+                                                                       new[]
+                                                                       {
+                                                                           random.NextDouble()
+                                                                       });
+
+            // Call
+            object clone = original.Clone();
+
+            // Assert
+            CoreCloneAssert.AreObjectClones(original, clone, MacroStabilityInwardsCloneAssert.AreClones);
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsCloneAssert.cs
===================================================================
diff -u -r47b2bbe8b9d15194a9641a2db098c25e5e775528 -r4cbf31a1ae47d22c811e4a8d8f8e6d0f89ddc202
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsCloneAssert.cs	(.../MacroStabilityInwardsCloneAssert.cs)	(revision 47b2bbe8b9d15194a9641a2db098c25e5e775528)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsCloneAssert.cs	(.../MacroStabilityInwardsCloneAssert.cs)	(revision 4cbf31a1ae47d22c811e4a8d8f8e6d0f89ddc202)
@@ -57,6 +57,23 @@
         /// <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(MacroStabilityInwardsSlipPlaneUpliftVan original,
+                                     MacroStabilityInwardsSlipPlaneUpliftVan clone)
+        {
+            CoreCloneAssert.AreObjectClones(original.LeftGrid, clone.LeftGrid, AreClones);
+            CoreCloneAssert.AreObjectClones(original.RightGrid, clone.RightGrid, AreClones);
+            CoreCloneAssert.AreEnumerationClones(original.TangentLines, clone.TangentLines,
+                                                 (originalTangentLine, clonedTangentLine) => Assert.AreEqual(originalTangentLine, clonedTangentLine));
+        }
+
+        /// <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(MacroStabilityInwardsSlidingCurve original,
                                      MacroStabilityInwardsSlidingCurve clone)
         {