Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/Exporters/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter.cs
===================================================================
diff -u -ra04b22a8d3bc9bf09d5572a99d40e36d70ae9928 -rc6bb356ca9ac02009e91e7e50dbcff56efcd7a52
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/Exporters/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter.cs	(.../GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter.cs)	(revision a04b22a8d3bc9bf09d5572a99d40e36d70ae9928)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/Exporters/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter.cs	(.../GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter.cs)	(revision c6bb356ca9ac02009e91e7e50dbcff56efcd7a52)
@@ -21,9 +21,13 @@
 
 using System;
 using Core.Common.Base.IO;
+using Core.Common.IO.Exceptions;
 using Core.Common.Util;
+using log4net;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.GrassCoverErosionOutwards.Data;
+using Ringtoets.GrassCoverErosionOutwards.Util;
+using RingtoetsCommonIOResources = Ringtoets.Common.IO.Properties.Resources;
 
 namespace Ringtoets.GrassCoverErosionOutwards.IO.Exporters
 {
@@ -32,6 +36,9 @@
     /// </summary>
     public class GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter : IFileExporter
     {
+        private static readonly ILog log = LogManager.GetLogger(typeof(GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter));
+        private readonly GrassCoverErosionOutwardsFailureMechanism failureMechanism;
+        private readonly IAssessmentSection assessmentSection;
         private readonly string filePath;
 
         /// <summary>
@@ -59,12 +66,27 @@
 
             IOUtils.ValidateFilePath(filePath);
 
+            this.failureMechanism = failureMechanism;
+            this.assessmentSection = assessmentSection;
             this.filePath = filePath;
         }
 
         public bool Export()
         {
-            throw new NotImplementedException();
+            try
+            {
+                GrassCoverErosionOutwardsHydraulicBoundaryLocationsWriter.WriteHydraulicBoundaryLocations(
+                    GrassCoverErosionOutwardsAggregatedHydraulicBoundaryLocationFactory.CreateAggregatedHydraulicBoundaryLocations(
+                        assessmentSection, failureMechanism),
+                    filePath);
+            }
+            catch (CriticalFileWriteException e)
+            {
+                log.ErrorFormat(RingtoetsCommonIOResources.HydraulicBoundaryLocationsExporter_Error_Exception_0_no_HydraulicBoundaryLocations_exported, e.Message);
+                return false;
+            }
+
+            return true;
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/Ringtoets.GrassCoverErosionOutwards.IO.csproj
===================================================================
diff -u -r9134b288215ec6dd8b2d1eb5f5f0c9603baa734d -rc6bb356ca9ac02009e91e7e50dbcff56efcd7a52
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/Ringtoets.GrassCoverErosionOutwards.IO.csproj	(.../Ringtoets.GrassCoverErosionOutwards.IO.csproj)	(revision 9134b288215ec6dd8b2d1eb5f5f0c9603baa734d)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/Ringtoets.GrassCoverErosionOutwards.IO.csproj	(.../Ringtoets.GrassCoverErosionOutwards.IO.csproj)	(revision c6bb356ca9ac02009e91e7e50dbcff56efcd7a52)
@@ -7,6 +7,10 @@
   </PropertyGroup>
   <Import Project="$(SolutionDir)\build\Ringtoets.targets" />
   <ItemGroup>
+    <Reference Include="log4net, Version=1.2.14.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\log4net.2.0.4\lib\net40-full\log4net.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
   </ItemGroup>
@@ -27,6 +31,7 @@
     <None Include="..\..\..\..\build\Copying.licenseheader">
       <Link>Copying.licenseheader</Link>
     </None>
+    <None Include="packages.config" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\Core\Common\src\Core.Common.Base\Core.Common.Base.csproj">
Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/packages.config
===================================================================
diff -u
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/packages.config	(revision 0)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.IO/packages.config	(revision c6bb356ca9ac02009e91e7e50dbcff56efcd7a52)
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+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.
+-->
+
+<packages>
+  <package id="log4net" version="2.0.4" targetFramework="net40" />
+</packages>
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/Exporters/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporterTest.cs
===================================================================
diff -u -ra04b22a8d3bc9bf09d5572a99d40e36d70ae9928 -rc6bb356ca9ac02009e91e7e50dbcff56efcd7a52
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/Exporters/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporterTest.cs	(.../GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporterTest.cs)	(revision a04b22a8d3bc9bf09d5572a99d40e36d70ae9928)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/Exporters/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporterTest.cs	(.../GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporterTest.cs)	(revision c6bb356ca9ac02009e91e7e50dbcff56efcd7a52)
@@ -21,13 +21,18 @@
 
 using System;
 using System.IO;
+using System.Linq;
+using System.Security.AccessControl;
 using Core.Common.Base.IO;
 using Core.Common.TestUtil;
 using NUnit.Framework;
 using Rhino.Mocks;
 using Ringtoets.Common.Data.AssessmentSection;
+using Ringtoets.Common.Data.Hydraulics;
+using Ringtoets.Common.Data.TestUtil;
 using Ringtoets.GrassCoverErosionOutwards.Data;
 using Ringtoets.GrassCoverErosionOutwards.IO.Exporters;
+using Ringtoets.GrassCoverErosionOutwards.Util.TestUtil;
 
 namespace Ringtoets.GrassCoverErosionOutwards.IO.Test.Exporters
 {
@@ -103,5 +108,108 @@
             Assert.IsInstanceOf<IFileExporter>(exporter);
             mocks.VerifyAll();
         }
+
+        [Test]
+        public void Export_ValidData_ReturnsTrueAndWritesCorrectData()
+        {
+            // Setup
+            var assessmentSection = new ObservableTestAssessmentSectionStub();
+            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+            GrassCoverErosionOutwardsHydraulicBoundaryLocationsTestHelper.AddHydraulicBoundaryLocations(failureMechanism, assessmentSection, new[]
+            {
+                new HydraulicBoundaryLocation(123, "aName", 1.1, 2.2)
+            });
+
+            string directoryPath = TestHelper.GetScratchPadPath("Export_ValidData_ReturnTrue");
+            Directory.CreateDirectory(directoryPath);
+            string filePath = Path.Combine(directoryPath, "test.shp");
+            const string baseName = "test";
+
+            var exporter = new GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter(failureMechanism, assessmentSection, filePath);
+
+            // Precondition
+            AssertEssentialShapefileExists(directoryPath, baseName, false);
+
+            try
+            {
+                // Call
+                bool isExported = exporter.Export();
+
+                // Assert
+                AssertEssentialShapefileExists(directoryPath, baseName, true);
+                AssertEssentialShapefileMd5Hashes(directoryPath, baseName);
+                Assert.IsTrue(isExported);
+            }
+            finally
+            {
+                Directory.Delete(directoryPath, true);
+            }
+        }
+
+        [Test]
+        public void Export_InvalidDirectoryRights_LogErrorAndReturnFalse()
+        {
+            // Setup
+            var assessmentSection = new ObservableTestAssessmentSectionStub();
+            var failureMechanism = new GrassCoverErosionOutwardsFailureMechanism();
+            GrassCoverErosionOutwardsHydraulicBoundaryLocationsTestHelper.AddHydraulicBoundaryLocations(failureMechanism, assessmentSection, new[]
+            {
+                new HydraulicBoundaryLocation(123, "aName", 1.1, 2.2)
+            });
+
+            string directoryPath = TestHelper.GetScratchPadPath("Export_InvalidDirectoryRights_LogErrorAndReturnFalse");
+            Directory.CreateDirectory(directoryPath);
+            string filePath = Path.Combine(directoryPath, "test.shp");
+
+            var exporter = new GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter(failureMechanism, assessmentSection, filePath);
+
+            try
+            {
+                using (new DirectoryPermissionsRevoker(directoryPath, FileSystemRights.Write))
+                {
+                    // Call
+                    var isExported = true;
+                    Action call = () => isExported = exporter.Export();
+
+                    // Assert
+                    string expectedMessage = $"Er is een onverwachte fout opgetreden tijdens het schrijven van het bestand '{filePath}'. " +
+                                             "Er zijn geen hydraulische randvoorwaarden locaties geëxporteerd.";
+                    TestHelper.AssertLogMessageIsGenerated(call, expectedMessage);
+                    Assert.IsFalse(isExported);
+                }
+            }
+            finally
+            {
+                Directory.Delete(directoryPath, true);
+            }
+        }
+
+        private static void AssertEssentialShapefileExists(string directoryPath, string baseName, bool shouldExist)
+        {
+            string pathName = Path.Combine(directoryPath, baseName);
+            Assert.AreEqual(shouldExist, File.Exists(pathName + ".shp"));
+            Assert.AreEqual(shouldExist, File.Exists(pathName + ".shx"));
+            Assert.AreEqual(shouldExist, File.Exists(pathName + ".dbf"));
+        }
+
+        private static void AssertEssentialShapefileMd5Hashes(string directoryPath, string baseName)
+        {
+            string refPathName = Path.Combine(TestHelper.GetTestDataPath(TestDataPath.Ringtoets.GrassCoverErosionOutwards.IO),
+                                              nameof(GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter), "ExpectedExport");
+            string pathName = Path.Combine(directoryPath, baseName);
+
+            AssertBinaryFileContent(refPathName, pathName, ".shp", 100, 28);
+            AssertBinaryFileContent(refPathName, pathName, ".shx", 100, 8);
+            AssertBinaryFileContent(refPathName, pathName, ".dbf", 32, 841);
+        }
+
+        private static void AssertBinaryFileContent(string refPathName, string pathName, string extension, int headerLength, int bodyLength)
+        {
+            byte[] refContent = File.ReadAllBytes(refPathName + extension);
+            byte[] content = File.ReadAllBytes(pathName + extension);
+            Assert.AreEqual(headerLength + bodyLength, content.Length);
+            Assert.AreEqual(refContent.Skip(headerLength).Take(bodyLength),
+                            content.Skip(headerLength).Take(bodyLength));
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/test-data/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter/ExpectedExport.dbf
===================================================================
diff -u
Binary files differ
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/test-data/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter/ExpectedExport.dbf.bak
===================================================================
diff -u
Binary files differ
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/test-data/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter/ExpectedExport.shp
===================================================================
diff -u
Binary files differ
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.IO.Test/test-data/GrassCoverErosionOutwardsHydraulicBoundaryLocationsExporter/ExpectedExport.shx
===================================================================
diff -u
Binary files differ