Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityCommon/ConversionHelperTests.cs
===================================================================
diff -u -r2963 -r2966
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityCommon/ConversionHelperTests.cs	(.../ConversionHelperTests.cs)	(revision 2963)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityCommon/ConversionHelperTests.cs	(.../ConversionHelperTests.cs)	(revision 2966)
@@ -152,7 +152,6 @@
 
         #region Soil
         [Test]
-        [Category(Categories.WorkInProgress)]
         public void GivenMacroStabilitySoilWhenConvertingToDamSoilAndBackThenResultEqualsOriginal()
         {
             // Given MacroStability Soil
@@ -166,11 +165,11 @@
                 Dilatancy = -1.04, // -Phi (FrictionAngle)
                 RRatio = 1.05,
                 RatioCuPc  = 1.06,
-                RheologicalCoefficient = 1.07,
+                //RheologicalCoefficient = 1.07, Not yet to be used
                 ShearStrengthModel = MacroStability.CSharpWrapper.Input.ShearStrengthModel.CPhiOrCuCalculated,
                 StrengthIncreaseExponent = 1.08,
-                UseSoilClassification = true,
-                BondStressCurve = null
+                UseSoilClassification = false, // must be false
+                BondStressCurve = null // must be null
             };
 
             // When Converting to DamSoil and back
@@ -180,9 +179,6 @@
             // Then result equals original
             var compare = new CompareLogic { Config = { MaxDifferences = 100 } };
             var result = compare.Compare(macroStabilitySoil, actualMacroStabilitySoil);
-            // For now, 3 errors are expected (RRatio, RheologicalCoefficient and StrengthIncreaseExponent). 
-            Assert.AreEqual(3, result.Differences.Count, "Unexpected differences found converting/reconverting Soil");
-            // But in future, this must succeed. then remove lines above and adapt text below
             Assert.AreEqual(0, result.Differences.Count, "Differences found converting/reconverting Soil but this ok now if diff = 3");
         }
         #endregion
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/ConversionHelper.cs
===================================================================
diff -u -r2963 -r2966
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 2963)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityIo/ConversionHelper.cs	(.../ConversionHelper.cs)	(revision 2966)
@@ -190,13 +190,13 @@
                 BelowPhreaticLevel = soil.BelowPhreaticLevel,
                 Cohesion = soil.Cohesion,
                 FrictionAngle = soil.FrictionAngle,
-                RRatio = 0.0, // TODO find the correct parameter
+                RRatio = soil.RRatio,
                 RatioCuPc = soil.RatioCuPc,
-                ShearStrengthModel = ShearStrengthModelKernel.CPhi, // Set Cphi as default
-                RheologicalCoefficient = 0.0, // TODO find the correct parameter
-                StrengthIncreaseExponent = 0.0, // TODO find the correct parameter
-                UseSoilClassification = true,// TODO find the correct parameter
-                BondStressCurve = null // TODO find the correct parameter
+                ShearStrengthModel = ConversionHelper.ConvertToMacroStabilityShearStrengthModel(soil.ShearStrengthModel.Value),
+                //RheologicalCoefficient = 0.0, //  is purely needed for Nails which are NOT yet to be implemented
+                StrengthIncreaseExponent = soil.StrengthIncreaseExponent,
+                UseSoilClassification = false, // Soil type is not given so make sure it is not used.
+                BondStressCurve = null // these are not supported in DAM so set to null.
             };
             if (soil.ShearStrengthModel != null)
             {
@@ -234,12 +234,10 @@
                 FrictionAngle = soil.FrictionAngle,
                 RRatio = soil.RRatio,
                 RatioCuPc = soil.RatioCuPc,
-                // RheologicalCoefficient = 1.07,
+                // RheologicalCoefficient = 1.07, // is purely needed for Nails which are NOT yet to be implemented
                 ShearStrengthModel = ConvertToDamShearStrengthModel(soil.ShearStrengthModel),
                 StrengthIncreaseExponent = soil.StrengthIncreaseExponent,
-                // UseSoilType = true,
-
-                // Following parameters are not available in MacroStability soil and will not be translated
+                // Following parameters are not available in MacroStability soil and will not be translated (they are for Piping).
                 //CuBottom = 0.00,
                 //DiameterD70 = 0.00,
                 //CuTop = 0.00,