Index: Riskeer/AssemblyTool/src/Riskeer.AssemblyTool.KernelWrapper/Calculators/Assembly/IAssessmentSectionAssemblyCalculator.cs
===================================================================
diff -u -r3ed87c53aea49ac019672432d88c97245129d8d6 -r882667e55a3e77e2679551c744688950eab842b7
--- Riskeer/AssemblyTool/src/Riskeer.AssemblyTool.KernelWrapper/Calculators/Assembly/IAssessmentSectionAssemblyCalculator.cs	(.../IAssessmentSectionAssemblyCalculator.cs)	(revision 3ed87c53aea49ac019672432d88c97245129d8d6)
+++ Riskeer/AssemblyTool/src/Riskeer.AssemblyTool.KernelWrapper/Calculators/Assembly/IAssessmentSectionAssemblyCalculator.cs	(.../IAssessmentSectionAssemblyCalculator.cs)	(revision 882667e55a3e77e2679551c744688950eab842b7)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using System.Collections.Generic;
 using Riskeer.AssemblyTool.Data;
 
@@ -30,6 +31,20 @@
     public interface IAssessmentSectionAssemblyCalculator
     {
         /// <summary>
+        /// Assembles an assessment section based on the input arguments.
+        /// </summary>
+        /// <param name="failureMechanismProbabilities">The collection of failure mechanism probabilities.</param>
+        /// <param name="lowerLimitNorm">The lower limit norm to assemble with.</param>
+        /// <param name="signalingNorm">The signalling norm to assemble with.</param>
+        /// <returns>A <see cref="AssessmentSectionAssemblyResult"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="failureMechanismProbabilities"/> is <c>null</c>.</exception>
+        /// <exception cref="AssessmentSectionAssemblyCalculatorException">Thrown when
+        /// an error occurs while assembling.</exception>
+        AssessmentSectionAssemblyResult AssembleAssessmentSection(IEnumerable<double> failureMechanismProbabilities,
+                                                                  double lowerLimitNorm,
+                                                                  double signalingNorm);
+
+        /// <summary>
         /// Assembles the combined assessment section for the given input.
         /// </summary>
         /// <param name="input">The collection of failure mechanism section collections to assemble for.</param>
Index: Riskeer/AssemblyTool/test/Riskeer.AssemblyTool.KernelWrapper.TestUtil/Calculators/Assembly/AssessmentSectionAssemblyCalculatorStub.cs
===================================================================
diff -u -r3ed87c53aea49ac019672432d88c97245129d8d6 -r882667e55a3e77e2679551c744688950eab842b7
--- Riskeer/AssemblyTool/test/Riskeer.AssemblyTool.KernelWrapper.TestUtil/Calculators/Assembly/AssessmentSectionAssemblyCalculatorStub.cs	(.../AssessmentSectionAssemblyCalculatorStub.cs)	(revision 3ed87c53aea49ac019672432d88c97245129d8d6)
+++ Riskeer/AssemblyTool/test/Riskeer.AssemblyTool.KernelWrapper.TestUtil/Calculators/Assembly/AssessmentSectionAssemblyCalculatorStub.cs	(.../AssessmentSectionAssemblyCalculatorStub.cs)	(revision 882667e55a3e77e2679551c744688950eab842b7)
@@ -38,6 +38,26 @@
         public bool ThrowExceptionOnCalculate { private get; set; }
 
         /// <summary>
+        /// Gets the failure mechanism probabilities input.
+        /// </summary>
+        public IEnumerable<double> FailureMechanismProbabilitiesInput { get; private set; }
+
+        /// <summary>
+        /// Gets the lower limit norm input.
+        /// </summary>
+        public double LowerLimitNormInput { get; private set; }
+
+        /// <summary>
+        /// Gets the signaling norm input.
+        /// </summary>
+        public double SignalingNormInput { get; private set; }
+
+        /// <summary>
+        /// Gets or sets the output of an assessment section assembly.
+        /// </summary>
+        public AssessmentSectionAssemblyResult AssessmentSectionAssemblyResult { get; set; } 
+
+        /// <summary>
         /// Gets the combined failure mechanism sections input.
         /// </summary>
         public IEnumerable<IEnumerable<CombinedAssemblyFailureMechanismSection>> CombinedFailureMechanismSectionsInput { get; private set; }
@@ -52,6 +72,20 @@
         /// </summary>
         public IEnumerable<CombinedFailureMechanismSectionAssembly> CombinedFailureMechanismSectionAssemblyOutput { get; set; }
 
+        public AssessmentSectionAssemblyResult AssembleAssessmentSection(IEnumerable<double> failureMechanismProbabilities, double lowerLimitNorm, double signalingNorm)
+        {
+            if (ThrowExceptionOnCalculate)
+            {
+                throw new AssessmentSectionAssemblyCalculatorException("Message", new Exception());
+            }
+
+            FailureMechanismProbabilitiesInput = failureMechanismProbabilities;
+            LowerLimitNormInput = lowerLimitNorm;
+            SignalingNormInput = signalingNorm;
+
+            return AssessmentSectionAssemblyResult ?? (AssessmentSectionAssemblyResult = new AssessmentSectionAssemblyResult(0.14, AssessmentSectionAssemblyCategoryGroup.NotApplicable));
+        }
+
         public IEnumerable<CombinedFailureMechanismSectionAssembly> AssembleCombinedFailureMechanismSections(
             IEnumerable<IEnumerable<CombinedAssemblyFailureMechanismSection>> input, double assessmentSectionLength)
         {