Index: Riskeer/HydraRing/src/Riskeer.HydraRing.IO/HydraulicBoundaryDatabase/HrdFileReader.cs
===================================================================
diff -u
--- Riskeer/HydraRing/src/Riskeer.HydraRing.IO/HydraulicBoundaryDatabase/HrdFileReader.cs	(revision 0)
+++ Riskeer/HydraRing/src/Riskeer.HydraRing.IO/HydraulicBoundaryDatabase/HrdFileReader.cs	(revision d088ed9e249c27cf431b4bfe8bd88eab30cc18cc)
@@ -0,0 +1,101 @@
+// Copyright (C) Stichting Deltares 2019. 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.Collections.Generic;
+using System.Data;
+using System.Data.SQLite;
+using Core.Common.Base.IO;
+using Core.Common.IO.Exceptions;
+using Core.Common.IO.Readers;
+using Core.Common.Util.Builders;
+using Riskeer.HydraRing.IO.Properties;
+
+namespace Riskeer.HydraRing.IO.HydraulicBoundaryDatabase
+{
+    /// <summary>
+    /// Class for reading a HRD file.
+    /// </summary>
+    public class HrdFileReader : SqLiteDatabaseReaderBase
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="HrdFileReader"/>.
+        /// </summary>
+        /// <param name="databaseFilePath">The path of the HRD file to read.</param>
+        /// <exception cref="CriticalFileReadException">Thrown when:
+        /// <list type="bullet">
+        /// <item>the <paramref name="databaseFilePath"/> contains invalid characters;</item>
+        /// <item>no file could be found at <paramref name="databaseFilePath"/>.</item>
+        /// </list>
+        /// </exception>
+        public HrdFileReader(string databaseFilePath) : base(databaseFilePath) {}
+
+        /// <summary>
+        /// Reads the HRD locations from the database.
+        /// </summary>
+        /// <exception cref="CriticalFileReadException">Thrown when the database has an unsupported structure.</exception>
+        /// <exception cref="LineParseException">Thrown when the database contains incorrect values for required properties.</exception>
+        public IEnumerable<ReadHrdLocation> ReadHrdLocations()
+        {
+            var readHrdLocations = new List<ReadHrdLocation>();
+
+            try
+            {
+                using (IDataReader reader = CreateDataReader("SELECT L.LocationId, L.Segment, T.HRDFileName " +
+                                                             "FROM Locations L " +
+                                                             "INNER JOIN Tracks T USING(TrackId) " +
+                                                             "WHERE L.TypeOfHydraulicDataId > 1;"))
+                {
+                    while (MoveNext(reader))
+                    {
+                        readHrdLocations.Add(ReadHrdLocation(reader));
+                    }
+
+                    return readHrdLocations;
+                }
+            }
+            catch (SQLiteException e)
+            {
+                throw new CriticalFileReadException(
+                    new FileReaderErrorMessageBuilder(Path).Build(Resources.HydraulicBoundaryDatabase_Unknown_database_structure),
+                    e);
+            }
+        }
+
+        /// <summary>
+        /// Reads a HRD location from the database.
+        /// </summary>
+        /// <returns>A <see cref="ReadHrdLocation"/> based on the data read from the database.</returns>
+        /// <exception cref="LineParseException">Thrown when the database contains incorrect values for required properties.</exception>
+        private ReadHrdLocation ReadHrdLocation(IDataReader reader)
+        {
+            try
+            {
+                return new ReadHrdLocation(reader.Read<long>("LocationId"));
+            }
+            catch (ConversionException e)
+            {
+                throw new LineParseException(
+                    new FileReaderErrorMessageBuilder(Path).Build(Resources.HydraulicBoundaryDatabase_Unexpected_value_on_column),
+                    e);
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Riskeer/HydraRing/src/Riskeer.HydraRing.IO/HydraulicBoundaryDatabase/ReadHrdLocation.cs
===================================================================
diff -u
--- Riskeer/HydraRing/src/Riskeer.HydraRing.IO/HydraulicBoundaryDatabase/ReadHrdLocation.cs	(revision 0)
+++ Riskeer/HydraRing/src/Riskeer.HydraRing.IO/HydraulicBoundaryDatabase/ReadHrdLocation.cs	(revision d088ed9e249c27cf431b4bfe8bd88eab30cc18cc)
@@ -0,0 +1,43 @@
+// Copyright (C) Stichting Deltares 2019. 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.HydraRing.IO.HydraulicBoundaryDatabase
+{
+    /// <summary>
+    /// Container for location data that is read from a HRD file.
+    /// </summary>
+    public class ReadHrdLocation
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="ReadHrdLocation"/>.
+        /// </summary>
+        /// <param name="locationId">The database id of the read HRD location.</param>
+        public ReadHrdLocation(long locationId)
+        {
+            LocationId = locationId;
+        }
+
+        /// <summary>
+        /// Gets the database id of the read HRD location.
+        /// </summary>
+        public long LocationId { get; }
+    }
+}
\ No newline at end of file