Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableAssessmentSection.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableAssessmentSection.cs	(revision 0)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableAssessmentSection.cs	(revision 2ca62c7a47e05e211f93e7f10fb121eecd264470)
@@ -0,0 +1,110 @@
+// 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.Xml.Serialization;
+using Core.Common.Base.Geometry;
+using Ringtoets.AssemblyTool.IO.Properties;
+
+namespace Ringtoets.AssemblyTool.IO.Model
+{
+    /// <summary>
+    /// Class describing a serializable assessment section.
+    /// </summary>
+    [XmlType(AssemblyXmlIdentifiers.AssessmentSection)]
+    public class SerializableAssessmentSection : SerializableFeatureMember
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="SerializableAssessmentSection"/>.
+        /// </summary>
+        public SerializableAssessmentSection()
+        {
+            AssessmentSectionType = Resources.AssessmentSectionType;
+            SurfaceLineLength = new SerializableMeasure("m", double.NaN);
+        }
+
+        /// <summary>
+        /// Creates a new instance of <see cref="SerializableAssessmentSection"/>.
+        /// </summary>
+        /// <param name="id">The unique ID of the assessment section.</param>
+        /// <param name="name">The name of the assessment section.</param>
+        /// <param name="surfaceLineLength">The length of the surface line in meters.</param>
+        /// <param name="surfaceLineGeometry">The geometry of the surface line.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        public SerializableAssessmentSection(string id,
+                                             string name,
+                                             double surfaceLineLength,
+                                             IEnumerable<Point2D> surfaceLineGeometry) : this()
+        {
+            if (id == null)
+            {
+                throw new ArgumentNullException(nameof(id));
+            }
+
+            if (name == null)
+            {
+                throw new ArgumentNullException(nameof(name));
+            }
+
+            if (surfaceLineGeometry == null)
+            {
+                throw new ArgumentNullException(nameof(surfaceLineGeometry));
+            }
+
+            Id = id;
+            Name = name;
+            SurfaceLineLength = new SerializableMeasure("m", surfaceLineLength);
+            SurfaceLineGeometry = new SerializableLine(surfaceLineGeometry);
+        }
+
+        /// <summary>
+        /// Gets or sets the assessment section ID.
+        /// </summary>
+        [XmlAttribute(AssemblyXmlIdentifiers.Id, Namespace = AssemblyXmlIdentifiers.GmlNamespace)]
+        public string Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets the geometry of the surface line.
+        /// </summary>
+        [XmlElement(AssemblyXmlIdentifiers.Geometry2D)]
+        public SerializableLine SurfaceLineGeometry { get; set; }
+
+        /// <summary>
+        /// Gets or sets the length of the surface line.
+        /// [m]
+        /// </summary>
+        [XmlElement(AssemblyXmlIdentifiers.Length)]
+        public SerializableMeasure SurfaceLineLength { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name of the assessment section.
+        /// </summary>
+        [XmlElement(AssemblyXmlIdentifiers.Name)]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the type of the assessment section.
+        /// </summary>
+        [XmlElement(AssemblyXmlIdentifiers.AssessmentSectionType)]
+        public string AssessmentSectionType { get; set; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssemblyTest.cs
===================================================================
diff -u -rf79dd2e1f821a759c13b3576e09532105789a05d -r2ca62c7a47e05e211f93e7f10fb121eecd264470
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssemblyTest.cs	(.../SerializableAssemblyTest.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssemblyTest.cs	(.../SerializableAssemblyTest.cs)	(revision 2ca62c7a47e05e211f93e7f10fb121eecd264470)
@@ -173,7 +173,7 @@
             var assessmentSection = new SerializableAssessmentSection
             {
                 Id = "section1",
-                Length = new SerializableMeasure
+                SurfaceLineLength = new SerializableMeasure
                 {
                     UnitOfMeasure = "m",
                     Value = 100
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssessmentSectionTest.cs
===================================================================
diff -u
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssessmentSectionTest.cs	(revision 0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssessmentSectionTest.cs	(revision 2ca62c7a47e05e211f93e7f10fb121eecd264470)
@@ -0,0 +1,129 @@
+// 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.Linq;
+using Core.Common.Base.Geometry;
+using NUnit.Framework;
+using Ringtoets.AssemblyTool.IO.Model;
+using Ringtoets.AssemblyTool.IO.TestUtil;
+
+namespace Ringtoets.AssemblyTool.IO.Test.Model
+{
+    [TestFixture]
+    public class SerializableAssessmentSectionTest
+    {
+        [Test]
+        public void DefaultConstructor_ReturnsDefaultValues()
+        {
+            // Call
+            var assessmentSection = new SerializableAssessmentSection();
+
+            // Assert
+            Assert.AreEqual("Dijktraject", assessmentSection.AssessmentSectionType);
+            Assert.IsNull(assessmentSection.Id);
+            Assert.IsNull(assessmentSection.Name);
+            Assert.IsNull(assessmentSection.SurfaceLineGeometry);
+            Assert.IsNaN(assessmentSection.SurfaceLineLength.Value);
+            Assert.AreEqual("m", assessmentSection.SurfaceLineLength.UnitOfMeasure);
+
+            SerializableAttributeTestHelper.AssertXmlAttributeAttribute<SerializableAssessmentSection>(
+                nameof(SerializableAssessmentSection.Id), "id", "http://www.opengis.net/gml/3.2");
+
+            SerializableAttributeTestHelper.AssertXmlElementAttribute<SerializableAssessmentSection>(
+                nameof(SerializableAssessmentSection.AssessmentSectionType), "typeWaterkeringstelsel");
+            SerializableAttributeTestHelper.AssertXmlElementAttribute<SerializableAssessmentSection>(
+                nameof(SerializableAssessmentSection.Name), "naam");
+            SerializableAttributeTestHelper.AssertXmlElementAttribute<SerializableAssessmentSection>(
+                nameof(SerializableAssessmentSection.SurfaceLineLength), "lengte");
+            SerializableAttributeTestHelper.AssertXmlElementAttribute<SerializableAssessmentSection>(
+                nameof(SerializableAssessmentSection.SurfaceLineGeometry), "geometrie2D");
+        }
+
+        [Test]
+        public void Constructor_IdNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new SerializableAssessmentSection(null,
+                                                                        "name",
+                                                                        new Random(39).NextDouble(),
+                                                                        Enumerable.Empty<Point2D>());
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("id", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_NameNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new SerializableAssessmentSection("id",
+                                                                        null,
+                                                                        new Random(39).NextDouble(),
+                                                                        Enumerable.Empty<Point2D>());
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("name", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_SurfaceLineGeometryNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => new SerializableAssessmentSection("id",
+                                                                        "name",
+                                                                        new Random(39).NextDouble(),
+                                                                        null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("surfaceLineGeometry", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_WithValidData_ReturnsExpectedValues()
+        {
+            // Setup
+            const string name = "section name";
+            const string id = "section id";
+
+            var random = new Random(39);
+            double length = random.NextDouble();
+            var geometry = new[]
+            {
+                new Point2D(random.NextDouble(), random.NextDouble()),
+                new Point2D(random.NextDouble(), random.NextDouble())
+            };
+
+            // Call
+            var assessmentSection = new SerializableAssessmentSection(id, name, length, geometry);
+
+            // Assert
+            Assert.AreEqual(id, assessmentSection.Id);
+            Assert.AreEqual(name, assessmentSection.Name);
+            Assert.AreEqual("m", assessmentSection.SurfaceLineLength.UnitOfMeasure);
+            Assert.AreEqual(length, assessmentSection.SurfaceLineLength.Value);
+            Assert.IsNotNull(assessmentSection.SurfaceLineGeometry);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Ringtoets.AssemblyTool.IO.Test.csproj
===================================================================
diff -u -re382cd31f8112438e24bd25ff1c429cf8b5fba4d -r2ca62c7a47e05e211f93e7f10fb121eecd264470
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Ringtoets.AssemblyTool.IO.Test.csproj	(.../Ringtoets.AssemblyTool.IO.Test.csproj)	(revision e382cd31f8112438e24bd25ff1c429cf8b5fba4d)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Ringtoets.AssemblyTool.IO.Test.csproj	(.../Ringtoets.AssemblyTool.IO.Test.csproj)	(revision 2ca62c7a47e05e211f93e7f10fb121eecd264470)
@@ -15,6 +15,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Model\SerializableAssessmentSectionTest.cs" />
     <Compile Include="Model\SerializableLineTest.cs" />
     <Compile Include="Model\SerializableLineStringTest.cs" />
     <Compile Include="Model\SerializableMeasureTest.cs" />