Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresInput.cs
===================================================================
diff -u -re390f6a1553c21ed32ebf3426f35cc0924a9900c -r589d56ba6dc9217ff4b68ea15df5a513576a25d1
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresInput.cs	(.../HeightStructuresInput.cs)	(revision e390f6a1553c21ed32ebf3426f35cc0924a9900c)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresInput.cs	(.../HeightStructuresInput.cs)	(revision 589d56ba6dc9217ff4b68ea15df5a513576a25d1)
@@ -56,10 +56,9 @@
         /// </summary>
         public HeightStructuresInput()
         {
-            failureProbabilityStructureWithErosion = 1.0;
-
             levelCrestStructure = new NormalDistribution(2)
             {
+                Mean = (RoundedDouble) double.NaN,
                 StandardDeviation = (RoundedDouble) 0.05
             };
 
@@ -79,7 +78,7 @@
 
             storageStructureArea = new VariationCoefficientLogNormalDistribution(2)
             {
-                Mean = (RoundedDouble) 1.0,
+                Mean = (RoundedDouble) double.NaN,
                 CoefficientOfVariation = (RoundedDouble) 0.1
             };
 
@@ -91,16 +90,19 @@
 
             criticalOvertoppingDischarge = new VariationCoefficientLogNormalDistribution(2)
             {
-                Mean = (RoundedDouble) 1.0,
+                Mean = (RoundedDouble) double.NaN,
                 CoefficientOfVariation = (RoundedDouble) 0.15
             };
 
+            failureProbabilityStructureWithErosion = double.NaN;
+
             widthFlowApertures = new VariationCoefficientNormalDistribution(2)
             {
+                Mean = (RoundedDouble) double.NaN,
                 CoefficientOfVariation = (RoundedDouble) 0.05
             };
 
-            deviationWaveDirection = new RoundedDouble(2);
+            deviationWaveDirection = new RoundedDouble(2, double.NaN);
 
             stormDuration = new VariationCoefficientLogNormalDistribution(2)
             {
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs
===================================================================
diff -u -re390f6a1553c21ed32ebf3426f35cc0924a9900c -r589d56ba6dc9217ff4b68ea15df5a513576a25d1
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs	(.../HeightStructuresInputTest.cs)	(revision e390f6a1553c21ed32ebf3426f35cc0924a9900c)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.Test/HeightStructuresInputTest.cs	(.../HeightStructuresInputTest.cs)	(revision 589d56ba6dc9217ff4b68ea15df5a513576a25d1)
@@ -58,15 +58,23 @@
 
             AssertAreEqual(double.NaN, input.StructureNormalOrientation);
             Assert.AreEqual(2, input.StructureNormalOrientation.NumberOfDecimalPlaces);
-
+            AssertAreEqual(double.NaN, input.LevelCrestStructure.Mean);
             AssertAreEqual(0.05, input.LevelCrestStructure.StandardDeviation);
             AssertAreEqual(1.1, input.ModelFactorSuperCriticalFlow.Mean);
             AssertAreEqual(0.03, input.ModelFactorSuperCriticalFlow.StandardDeviation);
+            AssertAreEqual(double.NaN, input.AllowedLevelIncreaseStorage.Mean);
             AssertAreEqual(0.1, input.AllowedLevelIncreaseStorage.StandardDeviation);
+            AssertAreEqual(double.NaN, input.StorageStructureArea.Mean);
             AssertAreEqual(0.1, input.StorageStructureArea.CoefficientOfVariation);
+            AssertAreEqual(double.NaN, input.FlowWidthAtBottomProtection.Mean);
             AssertAreEqual(0.05, input.FlowWidthAtBottomProtection.StandardDeviation);
+            AssertAreEqual(double.NaN, input.CriticalOvertoppingDischarge.Mean);
             AssertAreEqual(0.15, input.CriticalOvertoppingDischarge.CoefficientOfVariation);
+            Assert.IsNaN(input.FailureProbabilityStructureWithErosion);
+            AssertAreEqual(double.NaN, input.WidthFlowApertures.Mean);
             AssertAreEqual(0.05, input.WidthFlowApertures.CoefficientOfVariation);
+            Assert.IsNaN(input.DeviationWaveDirection);
+            Assert.AreEqual(2, input.DeviationWaveDirection.NumberOfDecimalPlaces);
             AssertAreEqual(6.0, input.StormDuration.Mean);
             AssertAreEqual(0.25, input.StormDuration.CoefficientOfVariation);
         }
Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil/TestHeightStructuresCalculation.cs
===================================================================
diff -u -rc3c2bba57ff003c569aefa73e42ac6122fcf5bfa -r589d56ba6dc9217ff4b68ea15df5a513576a25d1
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil/TestHeightStructuresCalculation.cs	(.../TestHeightStructuresCalculation.cs)	(revision c3c2bba57ff003c569aefa73e42ac6122fcf5bfa)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil/TestHeightStructuresCalculation.cs	(.../TestHeightStructuresCalculation.cs)	(revision 589d56ba6dc9217ff4b68ea15df5a513576a25d1)
@@ -28,11 +28,13 @@
         public TestHeightStructuresCalculation()
         {
             InputParameters.LevelCrestStructure.Mean = (RoundedDouble) 5.74;
+            InputParameters.StorageStructureArea.Mean = (RoundedDouble) 1.0;
             InputParameters.StructureNormalOrientation = (RoundedDouble) 115;
             InputParameters.AllowedLevelIncreaseStorage.Mean = (RoundedDouble) 1.0;
             InputParameters.FlowWidthAtBottomProtection.Mean = (RoundedDouble) 18;
             InputParameters.CriticalOvertoppingDischarge.Mean = (RoundedDouble) 1;
             InputParameters.WidthFlowApertures.Mean = (RoundedDouble) 18;
+            InputParameters.FailureProbabilityStructureWithErosion = 1.0;
             InputParameters.DeviationWaveDirection = (RoundedDouble) 0;
         }
     }