Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.Data/CombinedAssemblyFailureMechanismInput.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.Data/CombinedAssemblyFailureMechanismInput.cs	(revision 0)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.Data/CombinedAssemblyFailureMechanismInput.cs	(revision 62f92dde2608e60a2be161f4757e4d643196d7b4)
@@ -0,0 +1,68 @@
+// 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 System.Collections.Generic;
+
+namespace Ringtoets.AssemblyTool.Data
+{
+    /// <summary>
+    /// Class that contains the data that is necessary to determine
+    /// the combined failure mechanism sections assembly. 
+    /// </summary>
+    public class CombinedAssemblyFailureMechanismInput
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="CombinedAssemblyFailureMechanismInput"/>.
+        /// </summary>
+        /// <param name="failureMechanismN">The 'N' parameter used to factor in the 'length effect'.</param>
+        /// <param name="failureMechanismContribution">The contribution of the failure mechanism.</param>
+        /// <param name="sections">The sections of the failure mechanism.</param>
+        public CombinedAssemblyFailureMechanismInput(double failureMechanismN, double failureMechanismContribution,
+                                                     IEnumerable<CombinedAssemblyFailureMechanismSection> sections)
+        {
+            if (sections == null)
+            {
+                throw new ArgumentNullException(nameof(sections));
+            }
+
+            N = failureMechanismN;
+            FailureMechanismContribution = failureMechanismContribution;
+            Sections = sections;
+        }
+
+
+        /// <summary>
+        /// Gets the 'N' parameter used to factor in the 'length effect'.
+        /// </summary>
+        public double N { get; }
+
+        /// <summary>
+        /// Gets the contribution of the failure mechanism.
+        /// </summary>
+        public double FailureMechanismContribution { get; }
+
+        /// <summary>
+        /// Gets the sections of the failure mechanism.
+        /// </summary>
+        public IEnumerable<CombinedAssemblyFailureMechanismSection> Sections { get; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.Data/Ringtoets.AssemblyTool.Data.csproj
===================================================================
diff -u -reb6ad1512b5ae48364a1d340ecde44a27c2d4cf4 -r62f92dde2608e60a2be161f4757e4d643196d7b4
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.Data/Ringtoets.AssemblyTool.Data.csproj	(.../Ringtoets.AssemblyTool.Data.csproj)	(revision eb6ad1512b5ae48364a1d340ecde44a27c2d4cf4)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.Data/Ringtoets.AssemblyTool.Data.csproj	(.../Ringtoets.AssemblyTool.Data.csproj)	(revision 62f92dde2608e60a2be161f4757e4d643196d7b4)
@@ -16,6 +16,7 @@
     <Compile Include="AssessmentSectionAssembly.cs" />
     <Compile Include="AssessmentSectionAssemblyCategory.cs" />
     <Compile Include="AssessmentSectionAssemblyCategoryGroup.cs" />
+    <Compile Include="CombinedAssemblyFailureMechanismInput.cs" />
     <Compile Include="CombinedAssemblyFailureMechanismSection.cs" />
     <Compile Include="CombinedFailureMechanismSectionAssembly.cs" />
     <Compile Include="FailureMechanismAssembly.cs" />
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.Data.Test/CombinedAssemblyFailureMechanismInputTest.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.Data.Test/CombinedAssemblyFailureMechanismInputTest.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.Data.Test/CombinedAssemblyFailureMechanismInputTest.cs	(revision 62f92dde2608e60a2be161f4757e4d643196d7b4)
@@ -0,0 +1,64 @@
+// 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 System.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+
+namespace Ringtoets.AssemblyTool.Data.Test
+{
+    [TestFixture]
+    public class CombinedAssemblyFailureMechanismInputTest
+    {
+        [Test]
+        public void Constructor_SectionsNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            var random = new Random(21);
+
+            // Call
+            TestDelegate call = () => new CombinedAssemblyFailureMechanismInput(random.NextDouble(), random.NextDouble(), null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("sections", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            var random = new Random(21);
+            double n = random.NextDouble();
+            double contribution = random.NextDouble();
+            IEnumerable<CombinedAssemblyFailureMechanismSection> sections = Enumerable.Empty<CombinedAssemblyFailureMechanismSection>();
+
+            // Call
+            var input = new CombinedAssemblyFailureMechanismInput(n, contribution, sections);
+
+            // Assert
+            Assert.AreEqual(n, input.N);
+            Assert.AreEqual(contribution, input.FailureMechanismContribution);
+            Assert.AreSame(sections, input.Sections);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.Data.Test/Ringtoets.AssemblyTool.Data.Test.csproj
===================================================================
diff -u -reb6ad1512b5ae48364a1d340ecde44a27c2d4cf4 -r62f92dde2608e60a2be161f4757e4d643196d7b4
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.Data.Test/Ringtoets.AssemblyTool.Data.Test.csproj	(.../Ringtoets.AssemblyTool.Data.Test.csproj)	(revision eb6ad1512b5ae48364a1d340ecde44a27c2d4cf4)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.Data.Test/Ringtoets.AssemblyTool.Data.Test.csproj	(.../Ringtoets.AssemblyTool.Data.Test.csproj)	(revision 62f92dde2608e60a2be161f4757e4d643196d7b4)
@@ -19,6 +19,7 @@
     <Compile Include="AssessmentSectionAssemblyCategoryGroupTest.cs" />
     <Compile Include="AssessmentSectionAssemblyCategoryTest.cs" />
     <Compile Include="AssessmentSectionAssemblyTest.cs" />
+    <Compile Include="CombinedAssemblyFailureMechanismInputTest.cs" />
     <Compile Include="CombinedAssemblyFailureMechanismSectionTest.cs" />
     <Compile Include="CombinedFailureMechanismSectionAssemblyTest.cs" />
     <Compile Include="FailureMechanismAssemblyCategoryGroupTest.cs" />