Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInput.cs
===================================================================
diff -u -rcc8b9d8e93577a236afec4dd16a25f89996241fa -r4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision cc8b9d8e93577a236afec4dd16a25f89996241fa)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Data/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision 4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7)
@@ -117,7 +117,7 @@
                 RoundedDouble newOrientation = value.ToPrecision(orientation.NumberOfDecimalPlaces);
                 if (!double.IsNaN(newOrientation) && !orientationValidityRange.InRange(newOrientation))
                 {
-                    throw new ArgumentOutOfRangeException(nameof(value), string.Format(RingtoetsCommonDataResources.Orientation_Value_needs_to_be_in_Range_0_,
+                    throw new ArgumentOutOfRangeException(null, string.Format(RingtoetsCommonDataResources.Orientation_Value_needs_to_be_in_Range_0_,
                                                                                        orientationValidityRange));
                 }
                 orientation = newOrientation;
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Importers/WaveConditionsCalculationConfigurationImporter.cs
===================================================================
diff -u -rf63a76d0b9b432f146d9b6e6b67e5bf65963f66e -r4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7
--- Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Importers/WaveConditionsCalculationConfigurationImporter.cs	(.../WaveConditionsCalculationConfigurationImporter.cs)	(revision f63a76d0b9b432f146d9b6e6b67e5bf65963f66e)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Importers/WaveConditionsCalculationConfigurationImporter.cs	(.../WaveConditionsCalculationConfigurationImporter.cs)	(revision 4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7)
@@ -84,6 +84,7 @@
             ReadHydraulicBoundaryLocation(readCalculation, waveConditionsCalculation);
             ReadBoundaries(readCalculation, waveConditionsCalculation);
             ReadStepSize(readCalculation, waveConditionsCalculation);
+            ReadOrientation(readCalculation, waveConditionsCalculation);
 
             return waveConditionsCalculation;
         }
@@ -120,12 +121,7 @@
         /// <exception cref="CriticalFileValidationException">Thrown when one of the boundaries is invalid.</exception>
         private static void ReadBoundaries(ReadWaveConditionsCalculation readCalculation, IWaveConditionsCalculation calculation)
         {
-            bool hasUpperBoundaryRevetment = readCalculation.UpperBoundaryRevetment.HasValue;
-            bool hasLowerBoundaryRevetment = readCalculation.LowerBoundaryRevetment.HasValue;
-            bool hasUpperBoundaryWaterLevels = readCalculation.UpperBoundaryWaterLevels.HasValue;
-            bool hasLowerBoundaryWaterLevels = readCalculation.LowerBoundaryWaterLevels.HasValue;
-
-            if (hasUpperBoundaryRevetment)
+            if (readCalculation.UpperBoundaryRevetment.HasValue)
             {
                 var upperBoundaryRevetment = (double) readCalculation.UpperBoundaryRevetment;
 
@@ -134,7 +130,7 @@
                     string.Format(Resources.WaveConditionsCalculationConfigurationImporter_ReadBoundaries_Upper_boundary_revetment_0_invalid, upperBoundaryRevetment));
             }
 
-            if (hasLowerBoundaryRevetment)
+            if (readCalculation.LowerBoundaryRevetment.HasValue)
             {
                 var lowerBoundaryRevetment = (double) readCalculation.LowerBoundaryRevetment;
 
@@ -143,7 +139,7 @@
                     string.Format(Resources.WaveConditionsCalculationConfigurationImporter_ReadBoundaries_Lower_boundary_revetment_0_invalid, lowerBoundaryRevetment));
             }
 
-            if (hasUpperBoundaryWaterLevels)
+            if (readCalculation.UpperBoundaryWaterLevels.HasValue)
             {
                 var upperBoundaryWaterLevels = (double) readCalculation.UpperBoundaryWaterLevels;
 
@@ -152,7 +148,7 @@
                     string.Format(Resources.WaveConditionsCalculationConfigurationImporter_ReadBoundaries_Upper_boundary_waterlevels_0_invalid, upperBoundaryWaterLevels));
             }
 
-            if (hasLowerBoundaryWaterLevels)
+            if (readCalculation.LowerBoundaryWaterLevels.HasValue)
             {
                 var lowerBoundaryWaterLevels = (double) readCalculation.LowerBoundaryWaterLevels;
 
@@ -169,5 +165,17 @@
                 calculation.InputParameters.StepSize = (WaveConditionsInputStepSize) waveConditionsInputStepSizeConverter.ConvertFrom(readCalculation.StepSize.ToString());
             }
         }
+
+        private static void ReadOrientation(ReadWaveConditionsCalculation readCalculation, IWaveConditionsCalculation calculation)
+        {
+            if (readCalculation.Orientation.HasValue)
+            {
+                var orientation = (double) readCalculation.Orientation;
+
+                PerformActionHandlingAnyArgumentOutOfRangeException(
+                    () => calculation.InputParameters.Orientation = (RoundedDouble) orientation,
+                    string.Format(Resources.WaveConditionsCalculationConfigurationImporter_ReadOrientation_Orientation_0_invalid, orientation));
+            }
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Properties/Resources.Designer.cs
===================================================================
diff -u -rcc8b9d8e93577a236afec4dd16a25f89996241fa -r4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7
--- Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision cc8b9d8e93577a236afec4dd16a25f89996241fa)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7)
@@ -1,25 +1,4 @@
-// Copyright (C) Stichting Deltares 2016. 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.
-
-//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
 // <auto-generated>
 //     This code was generated by a tool.
 //     Runtime Version:4.0.30319.42000
@@ -187,6 +166,16 @@
         }
         
         /// <summary>
+        ///   Looks up a localized string similar to Een waarde van &apos;{0}&apos; als oriëntatie is ongeldig..
+        /// </summary>
+        internal static string WaveConditionsCalculationConfigurationImporter_ReadOrientation_Orientation_0_invalid {
+            get {
+                return ResourceManager.GetString("WaveConditionsCalculationConfigurationImporter_ReadOrientation_Orientation_0_inva" +
+                        "lid", resourceCulture);
+            }
+        }
+        
+        /// <summary>
         ///   Looks up a localized string similar to {0} Er zijn geen golfrandvoorwaarden geëxporteerd..
         /// </summary>
         internal static string WaveConditionsExporter_Error_Exception_0_no_WaveConditions_exported {
Index: Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Properties/Resources.resx
===================================================================
diff -u -rcc8b9d8e93577a236afec4dd16a25f89996241fa -r4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7
--- Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Properties/Resources.resx	(.../Resources.resx)	(revision cc8b9d8e93577a236afec4dd16a25f89996241fa)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.IO/Properties/Resources.resx	(.../Resources.resx)	(revision 4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7)
@@ -157,4 +157,7 @@
   <data name="WaveConditionsCalculationConfigurationImporter_ReadBoundaries_Lower_boundary_waterlevels_0_invalid" xml:space="preserve">
     <value>Een waarde van '{0}' als ondergrens van de rekenreeks is ongeldig.</value>
   </data>
+  <data name="WaveConditionsCalculationConfigurationImporter_ReadOrientation_Orientation_0_invalid" xml:space="preserve">
+    <value>Een waarde van '{0}' als oriëntatie is ongeldig.</value>
+  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Revetment/test/Ringtoets.Revetment.IO.Test/Importers/WaveConditionsCalculationConfigurationImporterTest.cs
===================================================================
diff -u -rf63a76d0b9b432f146d9b6e6b67e5bf65963f66e -r4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7
--- Ringtoets/Revetment/test/Ringtoets.Revetment.IO.Test/Importers/WaveConditionsCalculationConfigurationImporterTest.cs	(.../WaveConditionsCalculationConfigurationImporterTest.cs)	(revision f63a76d0b9b432f146d9b6e6b67e5bf65963f66e)
+++ Ringtoets/Revetment/test/Ringtoets.Revetment.IO.Test/Importers/WaveConditionsCalculationConfigurationImporterTest.cs	(.../WaveConditionsCalculationConfigurationImporterTest.cs)	(revision 4272fbc8be7c5932b0caeaf32ab5c11a4fb21bf7)
@@ -74,6 +74,8 @@
             "Een waarde van '2,2' als ondergrens bekledingen is ongeldig. De bovengrens van de bekleding moet boven de ondergrens liggen.")]
         [TestCase("validConfigurationInvalidWaterLevelBoundaries.xml",
             "Een waarde van '2,2' als ondergrens van de rekenreeks is ongeldig. De bovengrens van de rekenreeks moet boven de ondergrens liggen.")]
+        [TestCase("validConfigurationInvalidOrientation.xml",
+            "Een waarde van '380' als oriëntatie is ongeldig. De waarde voor de oriëntatie moet in het bereik [0,00, 360,00] liggen.")]
         public void Import_ValidConfigurationInvalidData_LogMessageAndContinueImport(string file, string expectedErrorMessage)
         {
             // Setup
@@ -151,7 +153,8 @@
                     LowerBoundaryRevetment = (RoundedDouble) 2,
                     UpperBoundaryWaterLevels = (RoundedDouble) 9,
                     LowerBoundaryWaterLevels = (RoundedDouble) 4,
-                    StepSize = WaveConditionsInputStepSize.Half
+                    StepSize = WaveConditionsInputStepSize.Half,
+                    Orientation = (RoundedDouble) 5.5
                 }
             };
 
@@ -168,6 +171,7 @@
             Assert.AreEqual(expectedCalculation.InputParameters.UpperBoundaryWaterLevels, actualCalculation.InputParameters.UpperBoundaryWaterLevels);
             Assert.AreEqual(expectedCalculation.InputParameters.LowerBoundaryWaterLevels, actualCalculation.InputParameters.LowerBoundaryWaterLevels);
             Assert.AreEqual(expectedCalculation.InputParameters.StepSize, actualCalculation.InputParameters.StepSize);
+            Assert.AreEqual(expectedCalculation.InputParameters.Orientation, actualCalculation.InputParameters.Orientation);
         }
 
         private class SimpleWaveConditionsCalculation : Observable, IWaveConditionsCalculation