Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensions.cs
===================================================================
diff -u -r21f9de0d12327b2d4319a2e78055d11c66cc7300 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensions.cs	(.../ClosingStructuresCalculationEntityReadExtensions.cs)	(revision 21f9de0d12327b2d4319a2e78055d11c66cc7300)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensions.cs	(.../ClosingStructuresCalculationEntityReadExtensions.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -110,7 +110,7 @@
                 return;
             }
 
-            var output = new StructuresOutput(outputEntity.Read(),
+            var output = new StructuresOutput(outputEntity.Reliability.ToNullAsNaN(), outputEntity.Read(),
                                               outputEntity.GeneralResultFaultTreeIllustrationPointEntity?.Read());
             calculation.Output = output;
         }
Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/HeightStructures/HeightStructuresCalculationEntityReadExtensions.cs
===================================================================
diff -u -r21f9de0d12327b2d4319a2e78055d11c66cc7300 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/HeightStructures/HeightStructuresCalculationEntityReadExtensions.cs	(.../HeightStructuresCalculationEntityReadExtensions.cs)	(revision 21f9de0d12327b2d4319a2e78055d11c66cc7300)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/HeightStructures/HeightStructuresCalculationEntityReadExtensions.cs	(.../HeightStructuresCalculationEntityReadExtensions.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -97,7 +97,7 @@
                 return;
             }
 
-            var output = new StructuresOutput(outputEntity.Read(),
+            var output = new StructuresOutput(outputEntity.Reliability.ToNullAsNaN(), outputEntity.Read(),
                                               outputEntity.GeneralResultFaultTreeIllustrationPointEntity?.Read());
             calculation.Output = output;
         }
Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensions.cs
===================================================================
diff -u -r21f9de0d12327b2d4319a2e78055d11c66cc7300 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensions.cs	(.../StabilityPointStructuresCalculationEntityReadExtensions.cs)	(revision 21f9de0d12327b2d4319a2e78055d11c66cc7300)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensions.cs	(.../StabilityPointStructuresCalculationEntityReadExtensions.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -131,7 +131,7 @@
                 return;
             }
 
-            var output = new StructuresOutput(outputEntity.Read(),
+            var output = new StructuresOutput(outputEntity.Reliability.ToNullAsNaN(), outputEntity.Read(),
                                               outputEntity.GeneralResultFaultTreeIllustrationPointEntity?.Read());
             calculation.Output = output;
         }
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/StructuresOutputCreateExtensionsTest.cs
===================================================================
diff -u -r82c8dcdc0f254596b25e1e201a07c29500e9cab9 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/StructuresOutputCreateExtensionsTest.cs	(.../StructuresOutputCreateExtensionsTest.cs)	(revision 82c8dcdc0f254596b25e1e201a07c29500e9cab9)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/StructuresOutputCreateExtensionsTest.cs	(.../StructuresOutputCreateExtensionsTest.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -51,11 +51,13 @@
             // Setup
             var random = new Random(567);
             var output = new StructuresOutput(
-                new ProbabilityAssessmentOutput(random.NextDouble(),
-                                                random.NextDouble(),
-                                                random.NextDouble(),
-                                                random.NextDouble(),
-                                                random.NextDouble()), null);
+                random.NextDouble(),
+                new ProbabilityAssessmentOutput(
+                    random.NextDouble(),
+                    random.NextDouble(),
+                    random.NextDouble(),
+                    random.NextDouble(),
+                    random.NextDouble()), null);
 
             // Call
             var entity = output.Create<TestStructureOutputEntity>();
@@ -79,11 +81,13 @@
         {
             // Setup
             var output = new StructuresOutput(
-                new ProbabilityAssessmentOutput(double.NaN,
-                                                double.NaN,
-                                                double.NaN,
-                                                double.NaN,
-                                                double.NaN), null);
+                double.NaN,
+                new ProbabilityAssessmentOutput(
+                    double.NaN,
+                    double.NaN,
+                    double.NaN,
+                    double.NaN,
+                    double.NaN), null);
 
             // Call
             var entity = output.Create<TestStructureOutputEntity>();
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs
===================================================================
diff -u -r899d227631395ebeb5154719f7b92a42ddbc6f96 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs	(.../RingtoetsProjectTestHelper.cs)	(revision 899d227631395ebeb5154719f7b92a42ddbc6f96)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.TestUtil/RingtoetsProjectTestHelper.cs	(.../RingtoetsProjectTestHelper.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -432,12 +432,15 @@
         private static StructuresOutput GetStructuresOutputWithIllustrationPoints()
         {
             var random = new Random(56);
-            var output = new StructuresOutput(new ProbabilityAssessmentOutput(random.NextDouble(),
-                                                                              random.NextDouble(),
-                                                                              random.NextDouble(),
-                                                                              random.NextDouble(),
-                                                                              random.NextDouble()),
-                                              GetConfiguredGeneralResultFaultTreeIllustrationPoint());
+            var output = new StructuresOutput(
+                random.NextDouble(),
+                new ProbabilityAssessmentOutput(
+                    random.NextDouble(),
+                    random.NextDouble(),
+                    random.NextDouble(),
+                    random.NextDouble(),
+                    random.NextDouble()),
+                GetConfiguredGeneralResultFaultTreeIllustrationPoint());
             return output;
         }
 
@@ -537,7 +540,7 @@
                             Structure = stabilityPointStructure,
                             ShouldIllustrationPointsBeCalculated = false
                         },
-                        Output = new StructuresOutput(new ProbabilityAssessmentOutput(0.8, 0.95, 0.10, 0.11, 0.12), null)
+                        Output = new StructuresOutput(0.11, new ProbabilityAssessmentOutput(0.8, 0.95, 0.10, 0.11, 0.12), null)
                     },
                     new StructuresCalculation<StabilityPointStructuresInput>
                     {
@@ -658,7 +661,7 @@
                             UseForeshore = true,
                             ShouldIllustrationPointsBeCalculated = false
                         },
-                        Output = new StructuresOutput(new ProbabilityAssessmentOutput(0.8, 0.95, 0.10, 0.11, 0.12), null)
+                        Output = new StructuresOutput(0.11, new ProbabilityAssessmentOutput(0.8, 0.95, 0.10, 0.11, 0.12), null)
                     },
                     new StructuresCalculation<ClosingStructuresInput>
                     {
@@ -826,7 +829,7 @@
                             Structure = heightStructure,
                             ShouldIllustrationPointsBeCalculated = false
                         },
-                        Output = new StructuresOutput(new ProbabilityAssessmentOutput(0.8, 0.95, 0.10, 0.11, 0.12), null)
+                        Output = new StructuresOutput(0.11, new ProbabilityAssessmentOutput(0.8, 0.95, 0.10, 0.11, 0.12), null)
                     },
                     new StructuresCalculation<HeightStructuresInput>
                     {
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Structures/StructuresOutput.cs
===================================================================
diff -u -r0f827ea0e06ceae9e35fa54e42abed8796111539 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Common/src/Ringtoets.Common.Data/Structures/StructuresOutput.cs	(.../StructuresOutput.cs)	(revision 0f827ea0e06ceae9e35fa54e42abed8796111539)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Structures/StructuresOutput.cs	(.../StructuresOutput.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -33,24 +33,33 @@
         /// <summary>
         /// Creates a new instance of <see cref="StructuresOutput"/>.
         /// </summary>
+        /// <param name="reliability">The reliability of the calculation.</param>
         /// <param name="probabilityAssessmentOutput">The results of the probabilistic
         /// assessment calculation.</param>
         /// <param name="generalResult">The general result of this output with the 
         /// fault tree illustration points.</param>
         /// <exception cref="ArgumentNullException">Thrown when 
         /// <paramref name="probabilityAssessmentOutput"/> is <c>null</c>.</exception>
-        public StructuresOutput(ProbabilityAssessmentOutput probabilityAssessmentOutput,
+        public StructuresOutput(double reliability,
+                                ProbabilityAssessmentOutput probabilityAssessmentOutput,
                                 GeneralResult<TopLevelFaultTreeIllustrationPoint> generalResult)
         {
             if (probabilityAssessmentOutput == null)
             {
                 throw new ArgumentNullException(nameof(probabilityAssessmentOutput));
             }
+
+            Reliability = reliability;
             ProbabilityAssessmentOutput = probabilityAssessmentOutput;
             GeneralResult = generalResult;
         }
 
         /// <summary>
+        /// Gets the reliability of the calculation.
+        /// </summary>
+        public double Reliability { get; }
+
+        /// <summary>
         /// Gets the probabilistic assessment output.
         /// </summary>
         public ProbabilityAssessmentOutput ProbabilityAssessmentOutput { get; private set; }
Index: Ringtoets/Common/src/Ringtoets.Common.Service/Structures/StructuresCalculationServiceBase.cs
===================================================================
diff -u -ra2353e44937113273f8f48a0823965e79ea537cb -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Common/src/Ringtoets.Common.Service/Structures/StructuresCalculationServiceBase.cs	(.../StructuresCalculationServiceBase.cs)	(revision a2353e44937113273f8f48a0823965e79ea537cb)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/Structures/StructuresCalculationServiceBase.cs	(.../StructuresCalculationServiceBase.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -269,15 +269,17 @@
                                                        contribution,
                                                        lengthEffectN,
                                                        calculator.ExceedanceProbabilityBeta);
-            SetOutput(calculation, probabilityAssessmentOutput);
+            SetOutput(calculation, calculator.ExceedanceProbabilityBeta, probabilityAssessmentOutput);
         }
 
         /// <summary>
         /// Sets the calculated output to the calculation object.
         /// </summary>
         /// <param name="calculation">The calculation to set the output for.</param>
+        /// <param name="reliability">The reliability of the calculation.</param>
         /// <param name="probabilityAssessmentOutput">The calculated output.</param>
         private void SetOutput(StructuresCalculation<TStructureInput> calculation,
+                               double reliability,
                                ProbabilityAssessmentOutput probabilityAssessmentOutput)
         {
             GeneralResult<TopLevelFaultTreeIllustrationPoint> generalResult = null;
@@ -295,7 +297,7 @@
                                        e.Message));
             }
 
-            calculation.Output = new StructuresOutput(probabilityAssessmentOutput, generalResult);
+            calculation.Output = new StructuresOutput(reliability, probabilityAssessmentOutput, generalResult);
         }
 
         /// <summary>
Index: Ringtoets/Common/test/Ringtoets.Common.Data.Test/Structures/StructuresOutputTest.cs
===================================================================
diff -u -ra7250eadfcaa33555a923aac13f3ac00c0a12e1f -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Common/test/Ringtoets.Common.Data.Test/Structures/StructuresOutputTest.cs	(.../StructuresOutputTest.cs)	(revision a7250eadfcaa33555a923aac13f3ac00c0a12e1f)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.Test/Structures/StructuresOutputTest.cs	(.../StructuresOutputTest.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -36,7 +36,7 @@
         public void Constructor_ProbabilityAssessmentNull_ThrowsArgumentNullException()
         {
             // Call
-            TestDelegate call = () => new StructuresOutput(null, null);
+            TestDelegate call = () => new StructuresOutput(double.NaN, null, null);
 
             // Assert
             var exception = Assert.Throws<ArgumentNullException>(call);
@@ -50,16 +50,19 @@
             bool withIllustrationPoints)
         {
             // Setup
+            var random = new Random(39);
+            double reliability = random.NextDouble();
             var output = new TestProbabilityAssessmentOutput();
             GeneralResult<TopLevelFaultTreeIllustrationPoint> generalResult = withIllustrationPoints
                                                                                   ? new TestGeneralResultFaultTreeIllustrationPoint()
                                                                                   : null;
 
             // Call
-            var structuresOutput = new StructuresOutput(output, generalResult);
+            var structuresOutput = new StructuresOutput(reliability, output, generalResult);
 
             // Assert
             Assert.IsInstanceOf<ICloneable>(structuresOutput);
+            Assert.AreEqual(reliability, structuresOutput.Reliability);
             Assert.AreSame(output, structuresOutput.ProbabilityAssessmentOutput);
             Assert.AreEqual(withIllustrationPoints, structuresOutput.HasGeneralResult);
             Assert.AreSame(generalResult, structuresOutput.GeneralResult);
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/CommonTestDataGenerator.cs
===================================================================
diff -u -rd74673fe0021036105c40d4333523b8fbb0edf68 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/CommonTestDataGenerator.cs	(.../CommonTestDataGenerator.cs)	(revision d74673fe0021036105c40d4333523b8fbb0edf68)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/CommonTestDataGenerator.cs	(.../CommonTestDataGenerator.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -104,7 +104,8 @@
         {
             var random = new Random(21);
 
-            return new StructuresOutput(new ProbabilityAssessmentOutput(random.NextDouble(),
+            return new StructuresOutput(random.NextDouble(),
+                                        new ProbabilityAssessmentOutput(random.NextDouble(),
                                                                         random.NextDouble(),
                                                                         random.NextDouble(),
                                                                         random.NextDouble(),
Index: Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestStructuresOutput.cs
===================================================================
diff -u -rb28a844780b613e1901fa82328ba3917f485c729 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestStructuresOutput.cs	(.../TestStructuresOutput.cs)	(revision b28a844780b613e1901fa82328ba3917f485c729)
+++ Ringtoets/Common/test/Ringtoets.Common.Data.TestUtil/TestStructuresOutput.cs	(.../TestStructuresOutput.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -46,14 +46,14 @@
         /// <paramref name="probability"/> that falls  outside the [0.0, 1.0] range 
         /// and isn't <see cref="double.NaN"/>.</exception>
         public TestStructuresOutput(double probability)
-            : base(new ProbabilityAssessmentOutput(0, 0, probability, 0, 0), null) {}
+            : base(probability, new ProbabilityAssessmentOutput(0, 0, probability, 0, 0), null) {}
 
         /// <summary>
         /// Creates new instance of <see cref="TestStructuresOutput"/>.
         /// </summary>
         /// <param name="generalResult">The general result of this output with the 
         /// fault tree illustration points.</param>
         public TestStructuresOutput(GeneralResult<TopLevelFaultTreeIllustrationPoint> generalResult)
-            : base(new ProbabilityAssessmentOutput(0, 0, 0, 0, 0), generalResult) {}
+            : base(0, new ProbabilityAssessmentOutput(0, 0, 0, 0, 0), generalResult) {}
     }
 }
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/StructuresOutputPropertiesTest.cs
===================================================================
diff -u -r44f75ace98dd75de607002abd122dfe8310d5456 -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/StructuresOutputPropertiesTest.cs	(.../StructuresOutputPropertiesTest.cs)	(revision 44f75ace98dd75de607002abd122dfe8310d5456)
+++ Ringtoets/Common/test/Ringtoets.Common.Forms.Test/PropertyClasses/StructuresOutputPropertiesTest.cs	(.../StructuresOutputPropertiesTest.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -53,10 +53,10 @@
         private const string resultCategoryName = "\tResultaat";
 
         [Test]
-        public void Constructor_StructuresOutput_ExpectedValues()
+        public void Constructor_ExpectedValues()
         {
             // Setup
-            var structuresOutput = new StructuresOutput(new TestProbabilityAssessmentOutput(), null);
+            var structuresOutput = new StructuresOutput(0, new TestProbabilityAssessmentOutput(), null);
 
             // Call
             var properties = new StructuresOutputProperties(structuresOutput);
@@ -96,7 +96,7 @@
 
             var generalResult = new TestGeneralResultFaultTreeIllustrationPoint();
 
-            var structuresOutput = new StructuresOutput(probabilityAssessmentOutput, generalResult);
+            var structuresOutput = new StructuresOutput(reliability, probabilityAssessmentOutput, generalResult);
 
             // Call
             var properties = new StructuresOutputProperties(structuresOutput);
@@ -134,7 +134,7 @@
         public void IllustrationPoints_WithoutGeneralResult_ReturnsEmptyTopLevelFaultTreeIllustrationPointPropertiesArray()
         {
             // Setup
-            var structuresOutput = new StructuresOutput(new TestProbabilityAssessmentOutput(), null);
+            var structuresOutput = new StructuresOutput(0, new TestProbabilityAssessmentOutput(), null);
             var properties = new StructuresOutputProperties(structuresOutput);
 
             // Call
@@ -150,7 +150,7 @@
             // Setup
             var probabilityAssessmentOutput = new TestProbabilityAssessmentOutput();
             var generalResult = new TestGeneralResultFaultTreeIllustrationPoint();
-            var structuresOutput = new StructuresOutput(probabilityAssessmentOutput, generalResult);
+            var structuresOutput = new StructuresOutput(0, probabilityAssessmentOutput, generalResult);
 
             // Call
             var properties = new StructuresOutputProperties(structuresOutput);
@@ -228,7 +228,7 @@
         {
             // Setup
             var probabilityAssessmentOutput = new TestProbabilityAssessmentOutput();
-            var structuresOutput = new StructuresOutput(probabilityAssessmentOutput, null);
+            var structuresOutput = new StructuresOutput(0, probabilityAssessmentOutput, null);
 
             // Call
             var properties = new StructuresOutputProperties(structuresOutput);
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/PropertyInfos/StructuresOutputContextPropertyInfoTest.cs
===================================================================
diff -u -r62c2ec9cb0416527762e077df380cbfb473dc9dc -r54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/PropertyInfos/StructuresOutputContextPropertyInfoTest.cs	(.../StructuresOutputContextPropertyInfoTest.cs)	(revision 62c2ec9cb0416527762e077df380cbfb473dc9dc)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/PropertyInfos/StructuresOutputContextPropertyInfoTest.cs	(.../StructuresOutputContextPropertyInfoTest.cs)	(revision 54803fcc28ee6d1283ef1ab2eaf50e49e0eb54c6)
@@ -63,7 +63,7 @@
         public void CreateInstance_StructuresOutputContext_ReturnStructuresOutputProperties()
         {
             // Setup
-            var structuresOutput = new StructuresOutput(new TestProbabilityAssessmentOutput(), null);
+            var structuresOutput = new StructuresOutput(0, new TestProbabilityAssessmentOutput(), null);
 
             var mocks = new MockRepository();
             var assessmentSection = mocks.Stub<IAssessmentSection>();