Index: Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Creators/Input/MacroStabilityInputCreator.cs
===================================================================
diff -u -r15be27c72577eaed0ee4b04c9c78ef14938cabe4 -r55efc50f9a145502bdb4c68852b32d0ae8916ca5
--- Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Creators/Input/MacroStabilityInputCreator.cs	(.../MacroStabilityInputCreator.cs)	(revision 15be27c72577eaed0ee4b04c9c78ef14938cabe4)
+++ Riskeer/MacroStabilityInwards/src/Riskeer.MacroStabilityInwards.KernelWrapper/Creators/Input/MacroStabilityInputCreator.cs	(.../MacroStabilityInputCreator.cs)	(revision 55efc50f9a145502bdb4c68852b32d0ae8916ca5)
@@ -112,6 +112,8 @@
                     MaximumSliceWidth = upliftVanInput.MaximumSliceWidth,
                     UpliftVanCalculationGrid = UpliftVanCalculationGridCreator.Create(upliftVanInput.SlipPlane),
                     SlipPlaneConstraints = SlipPlaneConstraintsCreator.Create(upliftVanInput.SlipPlaneConstraints),
+                    NumberOfRefinementsGrid = upliftVanInput.SlipPlane.GridNumberOfRefinements,
+                    NumberOfRefinementsTangentLines = upliftVanInput.SlipPlane.TangentLineNumberOfRefinements
                 },
                 PreprocessingInput =
                 {
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Creators/Input/MacroStabilityInputCreatorTest.cs
===================================================================
diff -u -r15be27c72577eaed0ee4b04c9c78ef14938cabe4 -r55efc50f9a145502bdb4c68852b32d0ae8916ca5
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Creators/Input/MacroStabilityInputCreatorTest.cs	(.../MacroStabilityInputCreatorTest.cs)	(revision 15be27c72577eaed0ee4b04c9c78ef14938cabe4)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.Test/Creators/Input/MacroStabilityInputCreatorTest.cs	(.../MacroStabilityInputCreatorTest.cs)	(revision 55efc50f9a145502bdb4c68852b32d0ae8916ca5)
@@ -177,6 +177,9 @@
 
             AssertConstructionStages(input, stabilityModel, soilProfile, dailyWaternet, extremeWaternet, layerLookup);
 
+            Assert.AreEqual(input.SlipPlane.GridNumberOfRefinements, stabilityModel.NumberOfRefinementsGrid);
+            Assert.AreEqual(input.SlipPlane.TangentLineNumberOfRefinements, stabilityModel.NumberOfRefinementsTangentLines);
+
             SearchAreaConditions searchAreaConditions = macroStabilityInput.PreprocessingInput.SearchAreaConditions;
             Assert.AreEqual(0.8, searchAreaConditions.MaxSpacingBetweenBoundaries);
             Assert.IsTrue(searchAreaConditions.OnlyAbovePleistoceen);
Index: Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil/Kernels/UpliftVan/Input/UpliftVanKernelInputAssert.cs
===================================================================
diff -u -r0ec7d1eea6fb0f99ed8f06faf894f4d95e93e3a0 -r55efc50f9a145502bdb4c68852b32d0ae8916ca5
--- Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil/Kernels/UpliftVan/Input/UpliftVanKernelInputAssert.cs	(.../UpliftVanKernelInputAssert.cs)	(revision 0ec7d1eea6fb0f99ed8f06faf894f4d95e93e3a0)
+++ Riskeer/MacroStabilityInwards/test/Riskeer.MacroStabilityInwards.KernelWrapper.TestUtil/Kernels/UpliftVan/Input/UpliftVanKernelInputAssert.cs	(.../UpliftVanKernelInputAssert.cs)	(revision 55efc50f9a145502bdb4c68852b32d0ae8916ca5)
@@ -98,6 +98,9 @@
 
             AssertUpliftVanCalculationGrid(expected.UpliftVanCalculationGrid, actual.UpliftVanCalculationGrid);
             AssertSlipPlaneConstraints(expected.SlipPlaneConstraints, actual.SlipPlaneConstraints);
+
+            Assert.AreEqual(expected.NumberOfRefinementsGrid, actual.NumberOfRefinementsGrid);
+            Assert.AreEqual(expected.NumberOfRefinementsTangentLines, actual.NumberOfRefinementsTangentLines);
         }
 
         /// <summary>