Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Data/GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.cs
===================================================================
diff -u -r7fb2c9216edfe52ad09142d2775bc35408f0c445 -rd7589adaf9e021df52e1535e826e0dc37c184cd6
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Data/GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.cs)	(revision 7fb2c9216edfe52ad09142d2775bc35408f0c445)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Data/GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.cs)	(revision d7589adaf9e021df52e1535e826e0dc37c184cd6)
@@ -100,5 +100,37 @@
                 throw new AssemblyException(e.Message, e);
             }
         }
+
+        /// <summary>
+        /// Assembles the tailor made assessment results.
+        /// </summary>
+        /// <param name="failureMechanismSectionResult">The failure mechanism section result to assemble the 
+        /// tailor made assembly results for.</param>
+        /// <returns>A <see cref="FailureMechanismSectionAssembly"/> 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"/>
+        /// could not be created.</exception>
+        public static FailureMechanismSectionAssemblyCategoryGroup AssembleTailorMadeAssessment(
+            GrassCoverErosionOutwardsFailureMechanismSectionResult failureMechanismSectionResult)
+        {
+            if (failureMechanismSectionResult == null)
+            {
+                throw new ArgumentNullException(nameof(failureMechanismSectionResult));
+            }
+
+            IAssemblyToolCalculatorFactory calculatorFactory = AssemblyToolCalculatorFactory.Instance;
+            IFailureMechanismSectionAssemblyCalculator calculator =
+                calculatorFactory.CreateFailureMechanismSectionAssemblyCalculator(AssemblyToolKernelFactory.Instance);
+
+            try
+            {
+                return calculator.AssembleTailorMadeAssessment(failureMechanismSectionResult.TailorMadeAssessmentResult);
+            }
+            catch (FailureMechanismSectionAssemblyCalculatorException e)
+            {
+                throw new AssemblyException(e.Message, e);
+            }
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Data.Test/GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactoryTest.cs
===================================================================
diff -u -r7fb2c9216edfe52ad09142d2775bc35408f0c445 -rd7589adaf9e021df52e1535e826e0dc37c184cd6
--- Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Data.Test/GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactoryTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactoryTest.cs)	(revision 7fb2c9216edfe52ad09142d2775bc35408f0c445)
+++ Ringtoets/GrassCoverErosionOutwards/test/Ringtoets.GrassCoverErosionOutwards.Data.Test/GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactoryTest.cs	(.../GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactoryTest.cs)	(revision d7589adaf9e021df52e1535e826e0dc37c184cd6)
@@ -212,5 +212,89 @@
         }
 
         #endregion
+
+        #region Tailor Made Assembly
+
+        [Test]
+        public void AssembleTailorMadeAssessment_FailureMechanismSectionResultNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.AssembleTailorMadeAssessment(null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("failureMechanismSectionResult", exception.ParamName);
+        }
+
+        [Test]
+        public void AssembleTailorMadeAssessment_WithSectionResult_SetsInputOnCalculator()
+        {
+            // Setup
+            var random = new Random(21);
+            FailureMechanismSection failureMechanismSection = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var sectionResult = new GrassCoverErosionOutwardsFailureMechanismSectionResult(failureMechanismSection)
+            {
+                TailorMadeAssessmentResult = random.NextEnumValue<FailureMechanismSectionAssemblyCategoryGroup>()
+            };
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory)AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+
+                // Call
+                GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.AssembleTailorMadeAssessment(sectionResult);
+
+                // Assert
+                Assert.AreEqual(sectionResult.TailorMadeAssessmentResult, calculator.TailorMadeAssessmentResultInput);
+            }
+        }
+
+        [Test]
+        public void AssembleTailorMadeAssessment_AssemblyRan_ReturnsOutput()
+        {
+            // Setup
+            FailureMechanismSection failureMechanismSection = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var sectionResult = new GrassCoverErosionOutwardsFailureMechanismSectionResult(failureMechanismSection);
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory)AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+
+                // Call
+                FailureMechanismSectionAssemblyCategoryGroup actualOutput =
+                    GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.AssembleTailorMadeAssessment(sectionResult);
+
+                // Assert
+                Assert.AreEqual(calculator.TailorMadeAssemblyCategoryOutput, actualOutput);
+            }
+        }
+
+        [Test]
+        public void AssembleTailorMadeAssessment_CalculatorThrowsExceptions_ThrowsAssemblyException()
+        {
+            // Setup
+            FailureMechanismSection failureMechanismSection = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var sectionResult = new GrassCoverErosionOutwardsFailureMechanismSectionResult(failureMechanismSection);
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory)AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+                calculator.ThrowExceptionOnCalculate = true;
+
+                // Call
+                TestDelegate call = () => GrassCoverErosionOutwardsFailureMechanismSectionResultAssemblyFactory.AssembleTailorMadeAssessment(sectionResult);
+
+                // Assert
+                var exception = Assert.Throws<AssemblyException>(call);
+                Exception innerException = exception.InnerException;
+                Assert.IsInstanceOf<FailureMechanismSectionAssemblyCalculatorException>(innerException);
+                Assert.AreEqual(innerException.Message, exception.Message);
+            }
+        }
+
+        #endregion
     }
 }
\ No newline at end of file