Index: Riskeer/AssemblyTool/src/Riskeer.AssemblyTool.Data/FailureMechanismSectionAssemblyGroupBoundaries.cs
===================================================================
diff -u
--- Riskeer/AssemblyTool/src/Riskeer.AssemblyTool.Data/FailureMechanismSectionAssemblyGroupBoundaries.cs	(revision 0)
+++ Riskeer/AssemblyTool/src/Riskeer.AssemblyTool.Data/FailureMechanismSectionAssemblyGroupBoundaries.cs	(revision 3a3e5f9a31f4398d399bd3fc23008bf5b09abb8d)
@@ -0,0 +1,46 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer 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 Riskeer.AssemblyTool.Data
+{
+    /// <summary>
+    /// Class that holds the boundaries for a <see cref="FailureMechanismSectionAssemblyGroup"/>
+    /// </summary>
+    public class FailureMechanismSectionAssemblyGroupBoundaries : AssemblyCategory
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="FailureMechanismAssemblyCategory"/>.
+        /// </summary>
+        /// <param name="group">The group of the category.</param>
+        /// <param name="lowerBoundary">The lower boundary of the category.</param>
+        /// <param name="upperBoundary">The upper boundary of the category.</param>
+        public FailureMechanismSectionAssemblyGroupBoundaries(FailureMechanismSectionAssemblyGroup group, double lowerBoundary, double upperBoundary)
+            : base(lowerBoundary, upperBoundary)
+        {
+            Group = group;
+        }
+
+        /// <summary>
+        /// Gets the <see cref="FailureMechanismSectionAssemblyGroup"/>.
+        /// </summary>
+        public FailureMechanismSectionAssemblyGroup Group { get; }
+    }
+}
\ No newline at end of file
Index: Riskeer/AssemblyTool/test/Riskeer.AssemblyTool.Data.Test/FailureMechanismSectionAssemblyGroupBoundariesTest.cs
===================================================================
diff -u
--- Riskeer/AssemblyTool/test/Riskeer.AssemblyTool.Data.Test/FailureMechanismSectionAssemblyGroupBoundariesTest.cs	(revision 0)
+++ Riskeer/AssemblyTool/test/Riskeer.AssemblyTool.Data.Test/FailureMechanismSectionAssemblyGroupBoundariesTest.cs	(revision 3a3e5f9a31f4398d399bd3fc23008bf5b09abb8d)
@@ -0,0 +1,49 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer 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;
+
+namespace Riskeer.AssemblyTool.Data.Test
+{
+    [TestFixture]
+    public class FailureMechanismSectionAssemblyGroupBoundariesTest
+    {
+        [Test]
+        public void Constructor_WithArguments_ExpectedValues()
+        {
+            // Setup
+            var random = new Random(21);
+            var group = random.NextEnumValue<FailureMechanismSectionAssemblyGroup>();
+            double lowerBoundary = random.NextDouble();
+            double upperBoundary = random.NextDouble();
+
+            // Call
+            var boundaries = new FailureMechanismSectionAssemblyGroupBoundaries(group, lowerBoundary, upperBoundary);
+
+            // Assert
+            Assert.IsInstanceOf<AssemblyCategory>(boundaries);
+            Assert.AreEqual(lowerBoundary, boundaries.LowerBoundary);
+            Assert.AreEqual(upperBoundary, boundaries.UpperBoundary);
+        }
+    }
+}
\ No newline at end of file