Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/WaveConditions/WaveConditionsInput.cs
===================================================================
diff -u -r9f2eb718d9c8913a47081582fb73dfa05f7f3319 -r3e94a6380eff6262e82341b80285ca1508ceafd9
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/WaveConditions/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision 9f2eb718d9c8913a47081582fb73dfa05f7f3319)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Data/Input/WaveConditions/WaveConditionsInput.cs	(.../WaveConditionsInput.cs)	(revision 3e94a6380eff6262e82341b80285ca1508ceafd9)
@@ -26,7 +26,7 @@
     /// <summary>
     /// Container of all data necessary for performing a wave conditions calculation (Q-variant) via Hydra-Ring.
     /// </summary>
-    public class WaveConditionsInput : HydraRingCalculationInput
+    public abstract class WaveConditionsInput : HydraRingCalculationInput
     {
         private readonly double beta;
         private readonly HydraRingSection section;
@@ -38,7 +38,7 @@
         /// <param name="hydraulicBoundaryLocationId">The id of the hydraulic station to use during the calculation.</param>
         /// <param name="norm">The norm to use during the calculation.</param>
         /// <remarks>As a part of the constructor, the <paramref name="norm"/> is automatically converted into a reliability index.</remarks>
-        public WaveConditionsInput(int sectionId, long hydraulicBoundaryLocationId, double norm) : base(hydraulicBoundaryLocationId)
+        protected WaveConditionsInput(int sectionId, long hydraulicBoundaryLocationId, double norm) : base(hydraulicBoundaryLocationId)
         {
             beta = StatisticsConverter.NormToBeta(norm);
             section = new HydraRingSection(sectionId, double.NaN, double.NaN);
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/WaveConditions/WaveConditionsInputTest.cs
===================================================================
diff -u -r9f2eb718d9c8913a47081582fb73dfa05f7f3319 -r3e94a6380eff6262e82341b80285ca1508ceafd9
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/WaveConditions/WaveConditionsInputTest.cs	(.../WaveConditionsInputTest.cs)	(revision 9f2eb718d9c8913a47081582fb73dfa05f7f3319)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/WaveConditions/WaveConditionsInputTest.cs	(.../WaveConditionsInputTest.cs)	(revision 3e94a6380eff6262e82341b80285ca1508ceafd9)
@@ -39,7 +39,7 @@
             const int hydraulicBoundaryLocationId = 3000;
 
             // Call
-            var waveConditionsInput = new WaveConditionsInput(sectionId, hydraulicBoundaryLocationId, norm);
+            var waveConditionsInput = new WaveConditionsInputImplementation(sectionId, hydraulicBoundaryLocationId, norm);
 
             // Assert
             const int expectedCalculationTypeId = 6;
@@ -54,5 +54,10 @@
             Assert.AreEqual(sectionId, waveConditionsInput.Section.SectionId);
             Assert.AreEqual(expectedBeta, waveConditionsInput.Beta);
         }
+
+        private class WaveConditionsInputImplementation : WaveConditionsInput
+        {
+            public WaveConditionsInputImplementation(int sectionId, long hydraulicBoundaryLocationId, double norm) : base(sectionId, hydraulicBoundaryLocationId, norm) {}
+        }
     }
 }
\ No newline at end of file