Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/AssemblyFactories/WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactory.cs
===================================================================
diff -u -r16e112e326a41572a9f111a3c82bd88d668b713e -r2564991c9b83dba10ff4569acd081fd3448d7ccc
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/AssemblyFactories/WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactory.cs	(.../WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactory.cs)	(revision 16e112e326a41572a9f111a3c82bd88d668b713e)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/StandAlone/AssemblyFactories/WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactory.cs	(.../WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactory.cs)	(revision 2564991c9b83dba10ff4569acd081fd3448d7ccc)
@@ -39,12 +39,12 @@
         /// </summary>
         /// <param name="failureMechanismSectionResult">The failure mechanism section result to assemble the 
         /// simple assembly results for.</param>
-        /// <returns>A <see cref="FailureMechanismSectionAssembly"/> based on the <paramref name="failureMechanismSectionResult"/>.</returns>
+        /// <returns>A <see cref="FailureMechanismSectionAssemblyCategoryGroup"/> based on the <paramref name="failureMechanismSectionResult"/>.</returns>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="failureMechanismSectionResult"/>
         /// is <c>null</c>.</exception>
-        /// <exception cref="AssemblyException">Thrown when the <see cref="FailureMechanismSectionAssembly"/>
+        /// <exception cref="AssemblyException">Thrown when the <see cref="FailureMechanismSectionAssemblyCategoryGroup"/>
         /// could not be created.</exception>
-        public static FailureMechanismSectionAssembly AssembleSimpleAssessment(
+        public static FailureMechanismSectionAssemblyCategoryGroup AssembleSimpleAssessment(
             WaterPressureAsphaltCoverFailureMechanismSectionResult failureMechanismSectionResult)
         {
             if (failureMechanismSectionResult == null)
@@ -58,7 +58,7 @@
 
             try
             {
-                return calculator.AssembleSimpleAssessment(failureMechanismSectionResult.SimpleAssessmentResult);
+                return calculator.AssembleSimpleAssessment(failureMechanismSectionResult.SimpleAssessmentResult).Group;
             }
             catch (FailureMechanismSectionAssemblyCalculatorException e)
             {
Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/StandAlone/AssemblyFactories/WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactoryTest.cs
===================================================================
diff -u -rdeeb111cd648c41702c810d6b4f13ecc67098ccb -r2564991c9b83dba10ff4569acd081fd3448d7ccc
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/StandAlone/AssemblyFactories/WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactoryTest.cs	(.../WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactoryTest.cs)	(revision deeb111cd648c41702c810d6b4f13ecc67098ccb)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/StandAlone/AssemblyFactories/WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactoryTest.cs	(.../WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactoryTest.cs)	(revision 2564991c9b83dba10ff4569acd081fd3448d7ccc)
@@ -87,12 +87,11 @@
                 FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
 
                 // Call
-                FailureMechanismSectionAssembly actualOutput =
+                FailureMechanismSectionAssemblyCategoryGroup actualOutput =
                     WaterPressureAsphaltCoverFailureMechanismSectionResultAssemblyFactory.AssembleSimpleAssessment(sectionResult);
 
                 // Assert
-                FailureMechanismSectionAssembly calculatorOutput = calculator.SimpleAssessmentAssemblyOutput;
-                Assert.AreSame(calculatorOutput, actualOutput);
+                Assert.AreEqual(calculator.SimpleAssessmentAssemblyOutput.Group, actualOutput);
             }
         }