Index: Ringtoets/Common/src/Ringtoets.Common.Data/AssemblyTool/FailureMechanismSectionAssemblyCategory.cs
===================================================================
diff -u
--- Ringtoets/Common/src/Ringtoets.Common.Data/AssemblyTool/FailureMechanismSectionAssemblyCategory.cs	(revision 0)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/AssemblyTool/FailureMechanismSectionAssemblyCategory.cs	(revision 3cee14cfc29fdad6fa393e8c9f4acdc6f5d014c2)
@@ -0,0 +1,46 @@
+// 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.
+
+namespace Ringtoets.Common.Data.AssemblyTool
+{
+    /// <summary>
+    /// Assembly category for failure mechanism section.
+    /// </summary>
+    public class FailureMechanismSectionAssemblyCategory : AssemblyCategory
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="FailureMechanismSectionAssemblyCategory"/>.
+        /// </summary>
+        /// <param name="lowerBoundary">The lower boundary of the category.</param>
+        /// <param name="upperBoundary">The upper boundary of the category.</param>
+        /// <param name="group">The group of the category.</param>
+        public FailureMechanismSectionAssemblyCategory(double lowerBoundary, double upperBoundary, FailureMechanismSectionAssemblyCategoryGroup group)
+            : base(lowerBoundary, upperBoundary)
+        {
+            Group = group;
+        }
+
+        /// <summary>
+        /// Gets the group of the assembly category.
+        /// </summary>
+        public FailureMechanismSectionAssemblyCategoryGroup Group { get; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Ringtoets.Common.Data.csproj
===================================================================
diff -u -r6822fd6eaad9812a0aeb49597fdf9536564a1889 -r3cee14cfc29fdad6fa393e8c9f4acdc6f5d014c2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Ringtoets.Common.Data.csproj	(.../Ringtoets.Common.Data.csproj)	(revision 6822fd6eaad9812a0aeb49597fdf9536564a1889)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Ringtoets.Common.Data.csproj	(.../Ringtoets.Common.Data.csproj)	(revision 3cee14cfc29fdad6fa393e8c9f4acdc6f5d014c2)
@@ -20,6 +20,7 @@
     <Compile Include="AssemblyTool\AssessmentSectionAssemblyCategory.cs" />
     <Compile Include="AssemblyTool\AssessmentSectionAssemblyCategoryGroup.cs" />
     <Compile Include="AssemblyTool\FailureMechanismSectionAssembly.cs" />
+    <Compile Include="AssemblyTool\FailureMechanismSectionAssemblyCategory.cs" />
     <Compile Include="AssemblyTool\FailureMechanismSectionAssemblyCategoryGroup.cs" />
     <Compile Include="AssessmentSection\AssessmentSectionComposition.cs" />
     <Compile Include="AssessmentSection\AssessmentSectionExtensions.cs" />
Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/AssemblyTool/FailureMechanismSectionAssemblyCategoryTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/AssemblyTool/FailureMechanismSectionAssemblyCategoryTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/AssemblyTool/FailureMechanismSectionAssemblyCategoryTest.cs	(revision 3cee14cfc29fdad6fa393e8c9f4acdc6f5d014c2)
@@ -0,0 +1,51 @@
+// 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 NUnit.Framework;
+using Ringtoets.Common.Data.AssemblyTool;
+
+namespace Ringtoets.Common.Data.Test.AssemblyTool
+{
+    [TestFixture]
+    public class FailureMechanismSectionAssemblyCategoryTest
+    {
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            var random = new Random(39);
+            var categoryType = random.NextEnumValue<FailureMechanismSectionAssemblyCategoryGroup>();
+            double lowerBoundary = random.NextDouble();
+            double upperBoundary = random.NextDouble();
+
+            // Call
+            var category = new FailureMechanismSectionAssemblyCategory(lowerBoundary, upperBoundary, categoryType);
+
+            // Assert
+            Assert.IsInstanceOf<AssemblyCategory>(category);
+            Assert.AreEqual(lowerBoundary, category.LowerBoundary);
+            Assert.AreEqual(upperBoundary, category.UpperBoundary);
+            Assert.AreEqual(categoryType, category.Group);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/Ringtoets.Common.Data.Test.csproj
===================================================================
diff -u -r6822fd6eaad9812a0aeb49597fdf9536564a1889 -r3cee14cfc29fdad6fa393e8c9f4acdc6f5d014c2
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/Ringtoets.Common.Data.Test.csproj	(.../Ringtoets.Common.Data.Test.csproj)	(revision 6822fd6eaad9812a0aeb49597fdf9536564a1889)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/Ringtoets.Common.Data.Test.csproj	(.../Ringtoets.Common.Data.Test.csproj)	(revision 3cee14cfc29fdad6fa393e8c9f4acdc6f5d014c2)
@@ -23,6 +23,7 @@
     <Compile Include="AssemblyTool\AssemblyCategoryTest.cs" />
     <Compile Include="AssemblyTool\AssessmentSectionAssemblyCategoryTest.cs" />
     <Compile Include="AssemblyTool\AssessmentSectionAssemblyCategoryGroupTest.cs" />
+    <Compile Include="AssemblyTool\FailureMechanismSectionAssemblyCategoryTest.cs" />
     <Compile Include="AssemblyTool\FailureMechanismSectionAssemblyTest.cs" />
     <Compile Include="AssemblyTool\FailureMechanismSectionAssemblyCategoryGroupTest.cs" />
     <Compile Include="AssessmentSection\AssessmentSectionCompositionTest.cs" />