Index: Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultRows/MacroStabilityOutwardsSectionResultRow.cs
===================================================================
diff -u -r60bd6e76d31e06ec9c3f70e2193d90cd3ea7c3b5 -r7d14097d7c501d82bb46724e3dc92872771f036e
--- Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultRows/MacroStabilityOutwardsSectionResultRow.cs	(.../MacroStabilityOutwardsSectionResultRow.cs)	(revision 60bd6e76d31e06ec9c3f70e2193d90cd3ea7c3b5)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Forms/Views/SectionResultRows/MacroStabilityOutwardsSectionResultRow.cs	(.../MacroStabilityOutwardsSectionResultRow.cs)	(revision 7d14097d7c501d82bb46724e3dc92872771f036e)
@@ -197,5 +197,21 @@
                     assessmentSection).Group;
             }
         }
+
+        /// <summary>
+        /// Gets the combined assembly category group.
+        /// </summary>
+        /// <exception cref="AssemblyException">Thrown when the <see cref="FailureMechanismSectionAssembly"/>
+        /// could not be created.</exception>
+        public FailureMechanismSectionAssemblyCategoryGroup CombinedAssemblyCategoryGroup
+        {
+            get
+            {
+                return MacroStabilityOutwardsFailureMechanismSectionResultAssemblyFactory.AssembleCombinedAssembly(
+                    SectionResult,
+                    failureMechanism,
+                    assessmentSection).Group;
+            }
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultRows/MacroStabilityOutwardsSectionResultRowTest.cs
===================================================================
diff -u -r60bd6e76d31e06ec9c3f70e2193d90cd3ea7c3b5 -r7d14097d7c501d82bb46724e3dc92872771f036e
--- Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultRows/MacroStabilityOutwardsSectionResultRowTest.cs	(.../MacroStabilityOutwardsSectionResultRowTest.cs)	(revision 60bd6e76d31e06ec9c3f70e2193d90cd3ea7c3b5)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Forms.Test/Views/SectionResultRows/MacroStabilityOutwardsSectionResultRowTest.cs	(.../MacroStabilityOutwardsSectionResultRowTest.cs)	(revision 7d14097d7c501d82bb46724e3dc92872771f036e)
@@ -367,8 +367,9 @@
         public void DetailedAssemblyCategoryGroup_AssemblyRan_ReturnCategoryGroup()
         {
             // Setup
-            var mocks = new MockRepository();
             var failureMechanism = new MacroStabilityOutwardsFailureMechanism();
+
+            var mocks = new MockRepository();
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
             mocks.ReplayAll();
 
@@ -395,8 +396,9 @@
         public void DetailedAssemblyCategoryGroup_AssemblyThrowsException_ThrowsAssemblyException()
         {
             // Setup
-            var mocks = new MockRepository();
             var failureMechanism = new MacroStabilityOutwardsFailureMechanism();
+
+            var mocks = new MockRepository();
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
             mocks.ReplayAll();
 
@@ -424,8 +426,9 @@
         public void TailorMadeAssemblyCategoryGroup_AssemblyRan_ReturnCategoryGroup()
         {
             // Setup
-            var mocks = new MockRepository();
             var failureMechanism = new MacroStabilityOutwardsFailureMechanism();
+
+            var mocks = new MockRepository();
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
             mocks.ReplayAll();
 
@@ -452,8 +455,9 @@
         public void TailorMadeAssemblyCategoryGroup_AssemblyThrowsException_ThrowsAssemblyException()
         {
             // Setup
-            var mocks = new MockRepository();
             var failureMechanism = new MacroStabilityOutwardsFailureMechanism();
+
+            var mocks = new MockRepository();
             IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
             mocks.ReplayAll();
 
@@ -477,6 +481,65 @@
             }
         }
 
+        [Test]
+        public void CombinedAssemblyCategoryGroup_AssemblyRan_ReturnCategoryGroup()
+        {
+            // Setup
+            var failureMechanism = new MacroStabilityOutwardsFailureMechanism();
+
+            var mocks = new MockRepository();
+            IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
+            mocks.ReplayAll();
+
+            FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var result = new MacroStabilityOutwardsFailureMechanismSectionResult(section);
+            var row = new MacroStabilityOutwardsSectionResultRow(result, failureMechanism, assessmentSection);
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory) AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+
+                // Call
+                FailureMechanismSectionAssemblyCategoryGroup combinedAssemblyCategoryGroup = row.CombinedAssemblyCategoryGroup;
+
+                // Assert
+                FailureMechanismSectionAssembly calculatorOutput = calculator.CombinedAssemblyOutput;
+                Assert.AreEqual(calculatorOutput.Group, combinedAssemblyCategoryGroup);
+                mocks.VerifyAll();
+            }
+        }
+
+        [Test]
+        public void CombinedAssemblyCategoryGroup_AssemblyThrowsException_ThrowsAssemblyException()
+        {
+            // Setup
+            var failureMechanism = new MacroStabilityOutwardsFailureMechanism();
+
+            var mocks = new MockRepository();            
+            IAssessmentSection assessmentSection = AssessmentSectionHelper.CreateAssessmentSectionStub(failureMechanism, mocks);
+            mocks.ReplayAll();
+
+            FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var result = new MacroStabilityOutwardsFailureMechanismSectionResult(section);
+            var row = new MacroStabilityOutwardsSectionResultRow(result, failureMechanism, assessmentSection);
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory) AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+                calculator.ThrowExceptionOnCalculate = true;
+
+                // Call
+                FailureMechanismSectionAssemblyCategoryGroup combinedAssemblyCategoryGroup;
+                TestDelegate test = () => combinedAssemblyCategoryGroup = row.CombinedAssemblyCategoryGroup;
+
+                // Assert
+                Assert.Throws<AssemblyException>(test);
+                mocks.VerifyAll();
+            }
+        }
+
         #endregion
     }
 }
\ No newline at end of file