Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/AssemblyServices/MacroStabilityOutwardsAssemblyService.cs
===================================================================
diff -u
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/AssemblyServices/MacroStabilityOutwardsAssemblyService.cs	(revision 0)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/AssemblyServices/MacroStabilityOutwardsAssemblyService.cs	(revision d9ddc1c15ba1de7a18340888ed1cc0bb1f04db50)
@@ -0,0 +1,61 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Ringtoets.AssemblyTool.KernelWrapper.Calculators;
+using Ringtoets.AssemblyTool.KernelWrapper.Calculators.Assembly;
+using Ringtoets.AssemblyTool.KernelWrapper.Kernels;
+using Ringtoets.Integration.Data.StandAlone.SectionResults;
+
+namespace Ringtoets.Integration.Service.AssemblyServices
+{
+    /// <summary>
+    /// Service for assembling the assembly tool results for macro stability outwards.
+    /// </summary>
+    public static class MacroStabilityOutwardsAssemblyService
+    {
+        /// <summary>
+        /// Assembles the simple assessment results.
+        /// </summary>
+        /// <param name="failureMechanismSectionResult">The failure mechanism section result to assemble the 
+        /// simple assembly results for.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="failureMechanismSectionResult"/> 
+        /// is <c>null</c>.</exception>
+        public static void AssembleSimpleAssessment(MacroStabilityOutwardsFailureMechanismSectionResult failureMechanismSectionResult)
+        {
+            if (failureMechanismSectionResult == null)
+            {
+                throw new ArgumentNullException(nameof(failureMechanismSectionResult));
+            }
+
+            IAssemblyToolCalculatorFactory calculatorFactory = AssemblyToolCalculatorFactory.Instance;
+            IFailureMechanismSectionAssemblyCalculator calculator =
+                calculatorFactory.CreateFailureMechanismSectionAssemblyCalculator(AssemblyToolKernelFactory.Instance);
+
+            try
+            {
+                failureMechanismSectionResult.SimpleAssemblyResult =
+                    calculator.AssembleSimpleAssessment(failureMechanismSectionResult.SimpleAssessmentInput);
+            }
+            catch (FailureMechanismSectionAssemblyCalculatorException) {}
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/Ringtoets.Integration.Service.csproj
===================================================================
diff -u -r8ec8f7c6eb8b58fa5e7abbc0f82dfb04a8cd73f1 -rd9ddc1c15ba1de7a18340888ed1cc0bb1f04db50
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/Ringtoets.Integration.Service.csproj	(.../Ringtoets.Integration.Service.csproj)	(revision 8ec8f7c6eb8b58fa5e7abbc0f82dfb04a8cd73f1)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/Ringtoets.Integration.Service.csproj	(.../Ringtoets.Integration.Service.csproj)	(revision d9ddc1c15ba1de7a18340888ed1cc0bb1f04db50)
@@ -13,6 +13,7 @@
   <ItemGroup>
     <Compile Include="AssemblyServices\GrassCoverSlipOffInwardsAssemblyService.cs" />
     <Compile Include="AssemblyServices\GrassCoverSlipOffOutwardsAssemblyService.cs" />
+    <Compile Include="AssemblyServices\MacroStabilityOutwardsAssemblyService.cs" />
     <Compile Include="MessageProviders\DesignWaterLevelCalculationMessageProvider.cs" />
     <Compile Include="MessageProviders\WaveHeightCalculationMessageProvider.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
Index: Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/AssemblyServices/MacroStabilityOutwardsAssemblyServiceTest.cs
===================================================================
diff -u
--- Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/AssemblyServices/MacroStabilityOutwardsAssemblyServiceTest.cs	(revision 0)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/AssemblyServices/MacroStabilityOutwardsAssemblyServiceTest.cs	(revision d9ddc1c15ba1de7a18340888ed1cc0bb1f04db50)
@@ -0,0 +1,120 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Core.Common.TestUtil;
+using NUnit.Framework;
+using Ringtoets.AssemblyTool.KernelWrapper.Calculators;
+using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Calculators;
+using Ringtoets.AssemblyTool.KernelWrapper.TestUtil.Calculators.Assembly;
+using Ringtoets.Common.Data.AssemblyTool;
+using Ringtoets.Common.Data.FailureMechanism;
+using Ringtoets.Common.Data.TestUtil;
+using Ringtoets.Integration.Data.StandAlone.SectionResults;
+using Ringtoets.Integration.Service.AssemblyServices;
+
+namespace Ringtoets.Integration.Service.Test.AssemblyServices
+{
+    [TestFixture]
+    public class MacroStabilityOutwardsAssemblyServiceTest
+    {
+        [Test]
+        public void AssembleSimpleAssessment_FailureMechanismSectionResultNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate call = () => MacroStabilityOutwardsAssemblyService.AssembleSimpleAssessment(null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(call);
+            Assert.AreEqual("failureMechanismSectionResult", exception.ParamName);
+        }
+
+        [Test]
+        public void AssembleSimpleAssessment_WithInput_SetsInputOnCalculator()
+        {
+            // Setup
+            var random = new Random(21);
+            FailureMechanismSection failureMechanismSection = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var sectionResult = new MacroStabilityOutwardsFailureMechanismSectionResult(failureMechanismSection)
+            {
+                SimpleAssessmentInput = random.NextEnumValue<SimpleAssessmentResultType>()
+            };
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory) AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+
+                // Call
+                MacroStabilityOutwardsAssemblyService.AssembleSimpleAssessment(sectionResult);
+
+                // Assert
+                Assert.AreEqual(sectionResult.SimpleAssessmentInput, calculator.SimpleAssessmentInput);
+            }
+        }
+
+        [Test]
+        public void AssembleSimpleAssessment_AssemblyRan_SetsOutput()
+        {
+            // Setup
+            FailureMechanismSection failureMechanismSection = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var sectionResult = new MacroStabilityOutwardsFailureMechanismSectionResult(failureMechanismSection);
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                // Pre-condition
+                Assert.IsNull(sectionResult.SimpleAssemblyResult);
+
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory) AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+
+                // Call
+                MacroStabilityOutwardsAssemblyService.AssembleSimpleAssessment(sectionResult);
+
+                // Assert
+                FailureMechanismSectionAssembly calculatorOutput = calculator.SimpleAssessmentAssemblyOutput;
+                Assert.AreSame(calculatorOutput, sectionResult.SimpleAssemblyResult);
+            }
+        }
+
+        [Test]
+        public void AssembleSimpleAssessment_CalculatorThrowsExceptions_DoesNothing()
+        {
+            // Setup
+            FailureMechanismSection failureMechanismSection = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var sectionResult = new MacroStabilityOutwardsFailureMechanismSectionResult(failureMechanismSection);
+
+            using (new AssemblyToolCalculatorFactoryConfig())
+            {
+                var calculatorfactory = (TestAssemblyToolCalculatorFactory) AssemblyToolCalculatorFactory.Instance;
+                FailureMechanismSectionAssemblyCalculatorStub calculator = calculatorfactory.LastCreatedFailureMechanismSectionAssemblyCalculator;
+                calculator.ThrowExceptionOnCalculate = true;
+
+                // Call
+                TestDelegate call = () => MacroStabilityOutwardsAssemblyService.AssembleSimpleAssessment(sectionResult);
+
+                // Assert
+                Assert.DoesNotThrow(call);
+                Assert.IsNull(sectionResult.SimpleAssemblyResult);
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/Ringtoets.Integration.Service.Test.csproj
===================================================================
diff -u -r8ec8f7c6eb8b58fa5e7abbc0f82dfb04a8cd73f1 -rd9ddc1c15ba1de7a18340888ed1cc0bb1f04db50
--- Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/Ringtoets.Integration.Service.Test.csproj	(.../Ringtoets.Integration.Service.Test.csproj)	(revision 8ec8f7c6eb8b58fa5e7abbc0f82dfb04a8cd73f1)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Service.Test/Ringtoets.Integration.Service.Test.csproj	(.../Ringtoets.Integration.Service.Test.csproj)	(revision d9ddc1c15ba1de7a18340888ed1cc0bb1f04db50)
@@ -21,6 +21,7 @@
   <ItemGroup>
     <Compile Include="AssemblyServices\GrassCoverSlipOffInwardsAssemblyServiceTest.cs" />
     <Compile Include="AssemblyServices\GrassCoverSlipOffOutwardsAssemblyServiceTest.cs" />
+    <Compile Include="AssemblyServices\MacroStabilityOutwardsAssemblyServiceTest.cs" />
     <Compile Include="MessageProviders\DesignWaterLevelCalculationMessageProviderTest.cs" />
     <Compile Include="MessageProviders\WaveHeightCalculationMessageProviderTest.cs" />
     <Compile Include="RingtoetsDataSynchronizationServiceTest.cs" />