Index: Riskeer/Storage/src/Riskeer.Storage.Core/Create/SpecificFailurePaths/SpecificFailurePathCreateExtensions.cs
===================================================================
diff -u -r3192f0b781afb4da048556c46e1b78c4079d05e4 -r2c07fe020287322e3b6a5c181108128132234a2d
--- Riskeer/Storage/src/Riskeer.Storage.Core/Create/SpecificFailurePaths/SpecificFailurePathCreateExtensions.cs	(.../SpecificFailurePathCreateExtensions.cs)	(revision 3192f0b781afb4da048556c46e1b78c4079d05e4)
+++ Riskeer/Storage/src/Riskeer.Storage.Core/Create/SpecificFailurePaths/SpecificFailurePathCreateExtensions.cs	(.../SpecificFailurePathCreateExtensions.cs)	(revision 2c07fe020287322e3b6a5c181108128132234a2d)
@@ -49,6 +49,7 @@
                 throw new ArgumentNullException(nameof(registry));
             }
 
+            FailurePathAssemblyResult assemblyResult = specificFailurePath.AssemblyResult;
             var entity = new SpecificFailurePathEntity
             {
                 Name = specificFailurePath.Name.DeepClone(),
@@ -58,7 +59,9 @@
                 InAssemblyInputComments = specificFailurePath.InAssemblyInputComments.Body.DeepClone(),
                 InAssemblyOutputComments = specificFailurePath.InAssemblyOutputComments.Body.DeepClone(),
                 NotInAssemblyComments = specificFailurePath.NotInAssemblyComments.Body.DeepClone(),
-                FailureMechanismSectionCollectionSourcePath = specificFailurePath.FailureMechanismSectionSourcePath.DeepClone()
+                FailureMechanismSectionCollectionSourcePath = specificFailurePath.FailureMechanismSectionSourcePath.DeepClone(),
+                FailurePathAssemblyProbabilityResultType = Convert.ToByte(assemblyResult.ProbabilityResultType),
+                ManualFailurePathAssemblyProbability = assemblyResult.ManualFailurePathAssemblyProbability.ToNaNAsNull()
             };
             specificFailurePath.AddEntitiesForFailureMechanismSections(registry, entity);
 
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/SpecificFailurePaths/SpecificFailurePathCreateExtensionsTest.cs
===================================================================
diff -u -rce856565876c408cccd5edfa2d3963dc1280818f -r2c07fe020287322e3b6a5c181108128132234a2d
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/SpecificFailurePaths/SpecificFailurePathCreateExtensionsTest.cs	(.../SpecificFailurePathCreateExtensionsTest.cs)	(revision ce856565876c408cccd5edfa2d3963dc1280818f)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/SpecificFailurePaths/SpecificFailurePathCreateExtensionsTest.cs	(.../SpecificFailurePathCreateExtensionsTest.cs)	(revision 2c07fe020287322e3b6a5c181108128132234a2d)
@@ -25,6 +25,7 @@
 using Core.Common.TestUtil;
 using NUnit.Framework;
 using Riskeer.Common.Data.FailureMechanism;
+using Riskeer.Common.Data.FailurePath;
 using Riskeer.Common.Data.TestUtil;
 using Riskeer.Integration.Data.FailurePath;
 using Riskeer.Storage.Core.Create;
@@ -62,6 +63,11 @@
                 Input =
                 {
                     N = random.NextRoundedDouble(1.0, 20.0)
+                },
+                AssemblyResult =
+                {
+                    ProbabilityResultType = random.NextEnumValue<FailurePathAssemblyProbabilityResultType>(),
+                    ManualFailurePathAssemblyProbability = random.NextDouble()
                 }
             };
 
@@ -80,9 +86,30 @@
             Assert.IsNull(entity.InAssemblyInputComments);
             Assert.IsNull(entity.InAssemblyOutputComments);
             Assert.IsNull(entity.NotInAssemblyComments);
+
+            FailurePathAssemblyResult assemblyResult = specificFailurePath.AssemblyResult;
+            Assert.AreEqual(Convert.ToByte(assemblyResult.ProbabilityResultType), entity.FailurePathAssemblyProbabilityResultType);
+            Assert.AreEqual(assemblyResult.ManualFailurePathAssemblyProbability, entity.ManualFailurePathAssemblyProbability);
         }
 
         [Test]
+        public void Create_WithRegistryAndNaNValues_ReturnsExpectedEntity()
+        {
+            // Setup
+            var random = new Random(21);
+            int order = random.Next();
+            var specificFailurePath = new SpecificFailurePath();
+
+            var registry = new PersistenceRegistry();
+
+            // Call
+            SpecificFailurePathEntity entity = specificFailurePath.Create(registry, order);
+
+            // Assert
+            Assert.IsNull(entity.ManualFailurePathAssemblyProbability);
+        }
+
+        [Test]
         public void Create_WithSections_ReturnsExpectedEntity()
         {
             // Setup