Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs
===================================================================
diff -u -re9676ff582c6fef41c740b880e5161d581bde497 -rc1a8483060230939462956b39133ea9fb074858a
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs	(.../AssessmentSection.cs)	(revision e9676ff582c6fef41c740b880e5161d581bde497)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs	(.../AssessmentSection.cs)	(revision c1a8483060230939462956b39133ea9fb074858a)
@@ -23,6 +23,7 @@
 using System.Collections.Generic;
 using System.ComponentModel;
 using Core.Common.Base;
+using Core.Common.Base.Data;
 using Ringtoets.ClosingStructures.Data;
 using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.AssessmentSection;
@@ -132,6 +133,8 @@
             technicalInnovation = new TechnicalInnovationFailureMechanism();
             OtherFailureMechanism = new OtherFailureMechanism();
 
+            FailureProbabilityMarginFactor = new RoundedDouble(2, 0.58);
+
             FailureMechanismContribution = new FailureMechanismContribution(lowerLimitNorm, signalingNorm);
             ChangeComposition(composition);
         }
@@ -465,6 +468,11 @@
         /// </summary>
         public OtherFailureMechanism OtherFailureMechanism { get; }
 
+        /// <summary>
+        /// Gets the failure probability margin factor.
+        /// </summary>
+        public RoundedDouble FailureProbabilityMarginFactor { get; }
+
         public IObservableEnumerable<HydraulicBoundaryLocationCalculation> WaterLevelCalculationsForFactorizedSignalingNorm
         {
             get
Index: Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/AssessmentSectionTest.cs
===================================================================
diff -u -r08cbe427aa9e8025cd0b011014b7585ed9f11b29 -rc1a8483060230939462956b39133ea9fb074858a
--- Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/AssessmentSectionTest.cs	(.../AssessmentSectionTest.cs)	(revision 08cbe427aa9e8025cd0b011014b7585ed9f11b29)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Data.Test/AssessmentSectionTest.cs	(.../AssessmentSectionTest.cs)	(revision c1a8483060230939462956b39133ea9fb074858a)
@@ -118,6 +118,9 @@
             CollectionAssert.IsEmpty(assessmentSection.WaveHeightCalculationsForSignalingNorm);
             CollectionAssert.IsEmpty(assessmentSection.WaveHeightCalculationsForLowerLimitNorm);
             CollectionAssert.IsEmpty(assessmentSection.WaveHeightCalculationsForFactorizedLowerLimitNorm);
+
+            Assert.AreEqual(0.58, assessmentSection.FailureProbabilityMarginFactor.Value);
+            Assert.AreEqual(2, assessmentSection.FailureProbabilityMarginFactor.NumberOfDecimalPlaces);
         }
 
         [Test]