Index: Riskeer/Revetment/src/Riskeer.Revetment.IO/Resources/BekledingenConfiguratieBasisSchema2.xsd
===================================================================
diff -u -r7b1c3e5801b9fb972fef740d959cb5bbcbc55fb5 -rbe43f90290c5687d1fa6be26e9c8bc5980da6e3b
--- Riskeer/Revetment/src/Riskeer.Revetment.IO/Resources/BekledingenConfiguratieBasisSchema2.xsd	(.../BekledingenConfiguratieBasisSchema2.xsd)	(revision 7b1c3e5801b9fb972fef740d959cb5bbcbc55fb5)
+++ Riskeer/Revetment/src/Riskeer.Revetment.IO/Resources/BekledingenConfiguratieBasisSchema2.xsd	(.../BekledingenConfiguratieBasisSchema2.xsd)	(revision be43f90290c5687d1fa6be26e9c8bc5980da6e3b)
@@ -110,7 +110,11 @@
   <!--Specificeert de stapgrootte voor bepaling van de door te rekenen waterstanden.-->
   <xs:element name="stapgrootte">
     <xs:simpleType>
-      <xs:restriction base="xs:double" />
+       <xs:restriction base="xs:double">
+        <xs:enumeration value="0.5"/>
+        <xs:enumeration value="1.0"/>
+        <xs:enumeration value="2.0"/>
+        </xs:restriction>
     </xs:simpleType>
   </xs:element>
 
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/GrassCoverErosionOutwards/GrassCoverErosionOutwardsWaveConditionsCalculationCreateExtensionsTest.cs
===================================================================
diff -u -rcc0800099409af16783e86ccc5be49fa12f0e61d -rbe43f90290c5687d1fa6be26e9c8bc5980da6e3b
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/GrassCoverErosionOutwards/GrassCoverErosionOutwardsWaveConditionsCalculationCreateExtensionsTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsCalculationCreateExtensionsTest.cs)	(revision cc0800099409af16783e86ccc5be49fa12f0e61d)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/GrassCoverErosionOutwards/GrassCoverErosionOutwardsWaveConditionsCalculationCreateExtensionsTest.cs	(.../GrassCoverErosionOutwardsWaveConditionsCalculationCreateExtensionsTest.cs)	(revision be43f90290c5687d1fa6be26e9c8bc5980da6e3b)
@@ -83,7 +83,7 @@
                     LowerBoundaryRevetment = (RoundedDouble) 3.58,
                     UpperBoundaryWaterLevels = (RoundedDouble) 5.88,
                     LowerBoundaryWaterLevels = (RoundedDouble) 3.40,
-                    StepSize = (RoundedDouble) 0.25,
+                    StepSize = random.NextRoundedDouble(0.01, 2.0),
                     CalculationType = random.NextEnumValue<GrassCoverErosionOutwardsWaveConditionsCalculationType>(),
                     WaterLevelType = random.NextEnumValue<WaveConditionsInputWaterLevelType>()
                 }
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/StabilityStoneCover/StabilityStoneCoverWaveConditionsCalculationCreateExtensionsTest.cs
===================================================================
diff -u -rcc0800099409af16783e86ccc5be49fa12f0e61d -rbe43f90290c5687d1fa6be26e9c8bc5980da6e3b
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/StabilityStoneCover/StabilityStoneCoverWaveConditionsCalculationCreateExtensionsTest.cs	(.../StabilityStoneCoverWaveConditionsCalculationCreateExtensionsTest.cs)	(revision cc0800099409af16783e86ccc5be49fa12f0e61d)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/StabilityStoneCover/StabilityStoneCoverWaveConditionsCalculationCreateExtensionsTest.cs	(.../StabilityStoneCoverWaveConditionsCalculationCreateExtensionsTest.cs)	(revision be43f90290c5687d1fa6be26e9c8bc5980da6e3b)
@@ -82,7 +82,7 @@
                     LowerBoundaryRevetment = (RoundedDouble) 3.58,
                     UpperBoundaryWaterLevels = (RoundedDouble) 5.88,
                     LowerBoundaryWaterLevels = (RoundedDouble) 3.40,
-                    StepSize = (RoundedDouble) 0.25,
+                    StepSize = random.NextRoundedDouble(0.01, 2.0),
                     WaterLevelType = random.NextEnumValue<WaveConditionsInputWaterLevelType>(),
                     CalculationType = random.NextEnumValue<StabilityStoneCoverWaveConditionsCalculationType>()
                 }
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/WaveImpactAsphaltCover/WaveImpactAsphaltCoverWaveConditionsCalculationCreateExtensionsTest.cs
===================================================================
diff -u -rcc0800099409af16783e86ccc5be49fa12f0e61d -rbe43f90290c5687d1fa6be26e9c8bc5980da6e3b
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/WaveImpactAsphaltCover/WaveImpactAsphaltCoverWaveConditionsCalculationCreateExtensionsTest.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationCreateExtensionsTest.cs)	(revision cc0800099409af16783e86ccc5be49fa12f0e61d)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/WaveImpactAsphaltCover/WaveImpactAsphaltCoverWaveConditionsCalculationCreateExtensionsTest.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationCreateExtensionsTest.cs)	(revision be43f90290c5687d1fa6be26e9c8bc5980da6e3b)
@@ -82,7 +82,7 @@
                     LowerBoundaryRevetment = (RoundedDouble) 3.58,
                     UpperBoundaryWaterLevels = (RoundedDouble) 5.88,
                     LowerBoundaryWaterLevels = (RoundedDouble) 3.40,
-                    StepSize = (RoundedDouble) 0.25
+                    StepSize = random.NextRoundedDouble(0.01, 2.0)
                 }
             };