Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Application.Ringtoets.Storage.csproj
===================================================================
diff -u -r9eac9b010ce9939be032b160b4697151319ec8e5 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Application.Ringtoets.Storage.csproj	(.../Application.Ringtoets.Storage.csproj)	(revision 9eac9b010ce9939be032b160b4697151319ec8e5)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Application.Ringtoets.Storage.csproj	(.../Application.Ringtoets.Storage.csproj)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -179,6 +179,7 @@
     <Compile Include="Update\GrassCoverErosionInwardsFailureMechanismUpdateExtensions.cs" />
     <Compile Include="Update\IFailureMechanismUpdateExtensions.cs" />
     <Compile Include="Update\PipingCalculationScenarioUpdateExtensions.cs" />
+    <Compile Include="Update\PipingProbabilityAssessmentInputUpdateExtensions.cs" />
     <Compile Include="Update\RingtoetsPipingSurfaceLineUpdateExtensions.cs" />
     <Compile Include="Update\FailureMechanismSectionUpdateExtensions.cs" />
     <Compile Include="Update\HydraulicBoundaryLocationUpdateExtensions.cs" />
Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/PipingFailureMechanismMetaEntityReadExtensions.cs
===================================================================
diff -u -r9eac9b010ce9939be032b160b4697151319ec8e5 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/PipingFailureMechanismMetaEntityReadExtensions.cs	(.../PipingFailureMechanismMetaEntityReadExtensions.cs)	(revision 9eac9b010ce9939be032b160b4697151319ec8e5)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/PipingFailureMechanismMetaEntityReadExtensions.cs	(.../PipingFailureMechanismMetaEntityReadExtensions.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -25,6 +25,10 @@
 
 namespace Application.Ringtoets.Storage.Read
 {
+    /// <summary>
+    /// This class defines extension methods for read operations for a <see cref="PipingProbabilityAssessmentInput"/> based on the
+    /// <see cref="PipingFailureMechanismMetaEntity"/>.
+    /// </summary>
     internal static class PipingFailureMechanismMetaEntityReadExtensions
     {
         /// <summary>
Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Update/PipingFailureMechanismUpdateExtensions.cs
===================================================================
diff -u -rd86b1c6e4ebde1570bec162a9043bbb437de5d9c -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Update/PipingFailureMechanismUpdateExtensions.cs	(.../PipingFailureMechanismUpdateExtensions.cs)	(revision d86b1c6e4ebde1570bec162a9043bbb437de5d9c)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Update/PipingFailureMechanismUpdateExtensions.cs	(.../PipingFailureMechanismUpdateExtensions.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -62,6 +62,8 @@
             FailureMechanismEntity entity = mechanism.GetCorrespondingFailureMechanismEntity(context);
             entity.IsRelevant = Convert.ToByte(mechanism.IsRelevant);
 
+            mechanism.PipingProbabilityAssessmentInput.Update(registry, context);
+
             UpdateSoilModels(mechanism, registry, context, entity);
             UpdateSurfaceLines(mechanism, registry, context, entity);
             mechanism.UpdateFailureMechanismSections(registry, entity, context);
Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Update/PipingProbabilityAssessmentInputUpdateExtensions.cs
===================================================================
diff -u
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Update/PipingProbabilityAssessmentInputUpdateExtensions.cs	(revision 0)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Update/PipingProbabilityAssessmentInputUpdateExtensions.cs	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -0,0 +1,80 @@
+// Copyright (C) Stichting Deltares 2016. 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 System.Linq;
+using Application.Ringtoets.Storage.Create;
+using Application.Ringtoets.Storage.DbContext;
+using Application.Ringtoets.Storage.Exceptions;
+using Application.Ringtoets.Storage.Properties;
+using Ringtoets.Piping.Data;
+
+namespace Application.Ringtoets.Storage.Update
+{
+    /// <summary>
+    /// Extension methods for <see cref="PipingProbabilityAssessmentInput"/> related to updating a <see cref="PipingFailureMechanismMetaEntity"/>.
+    /// </summary>
+    internal static class PipingProbabilityAssessmentInputUpdateExtensions
+    {
+        /// <summary>
+        /// Updates a <see cref="PipingFailureMechanismMetaEntity"/> in the database based on the information of the 
+        /// <see cref="PipingProbabilityAssessmentInput"/>.
+        /// </summary>
+        /// <param name="probabilityAssessmentInput">The piping probability assessment input to update the database entity for.</param>
+        /// <param name="registry">The object keeping track of update operations.</param>
+        /// <param name="context">The context to obtain the existing entity from.</param>
+        /// <exception cref="ArgumentNullException">Thrown when either:
+        /// <list type="bullet">
+        /// <item><paramref name="registry"/> is <c>null</c></item>
+        /// <item><paramref name="context"/> is <c>null</c></item>
+        /// </list></exception>
+        /// <exception cref="EntityNotFoundException">When <paramref name="probabilityAssessmentInput"/>
+        /// does not have a corresponding entity in <paramref name="context"/>.</exception>
+        internal static void Update(this PipingProbabilityAssessmentInput probabilityAssessmentInput, PersistenceRegistry registry, IRingtoetsEntities context)
+        {
+            if (context == null)
+            {
+                throw new ArgumentNullException("context");
+            }
+            if (registry == null)
+            {
+                throw new ArgumentNullException("registry");
+            }
+
+            PipingFailureMechanismMetaEntity entity = probabilityAssessmentInput.GetCorrespondingPipingFailureMechanismMetaEntity(context);
+            entity.A = Convert.ToDecimal(probabilityAssessmentInput.A);
+
+            registry.Register(entity, probabilityAssessmentInput);
+        }
+
+        private static PipingFailureMechanismMetaEntity GetCorrespondingPipingFailureMechanismMetaEntity(this PipingProbabilityAssessmentInput model, IRingtoetsEntities context)
+        {
+            try
+            {
+                return context.PipingFailureMechanismMetaEntities.Single(pfmme => pfmme.PipingFailureMechanismMetaEntityId == model.StorageId);
+            }
+            catch (InvalidOperationException exception)
+            {
+                throw new EntityNotFoundException(string.Format(Resources.Error_Entity_Not_Found_0_1, typeof(PipingFailureMechanismMetaEntity).Name, model.StorageId), exception);
+            }
+        }
+    }
+}
\ No newline at end of file
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Application.Ringtoets.Storage.Test.csproj
===================================================================
diff -u -r9eac9b010ce9939be032b160b4697151319ec8e5 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Application.Ringtoets.Storage.Test.csproj	(.../Application.Ringtoets.Storage.Test.csproj)	(revision 9eac9b010ce9939be032b160b4697151319ec8e5)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Application.Ringtoets.Storage.Test.csproj	(.../Application.Ringtoets.Storage.Test.csproj)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -132,6 +132,7 @@
     <Compile Include="Update\IStorableExtensionsTest.cs" />
     <Compile Include="Update\PipingCalculationScenarioUpdateExtensionsTest.cs" />
     <Compile Include="Update\PipingFailureMechanismUpdateExtensionsTest.cs" />
+    <Compile Include="Update\PipingProbabilityAssessmentInputUpdateExtensionsTest.cs" />
     <Compile Include="Update\PipingSoilLayerUpdateExtensionsTest.cs" />
     <Compile Include="Update\PipingSoilProfileUpdateExtensionsTest.cs" />
     <Compile Include="Update\ProjectUpdateExtensionsTest.cs" />
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/IntegrationTests/StorageSqLiteIntegrationTest.cs
===================================================================
diff -u -rbba617101367a21a38bf41ad520662058b9012af -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/IntegrationTests/StorageSqLiteIntegrationTest.cs	(.../StorageSqLiteIntegrationTest.cs)	(revision bba617101367a21a38bf41ad520662058b9012af)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/IntegrationTests/StorageSqLiteIntegrationTest.cs	(.../StorageSqLiteIntegrationTest.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -289,11 +289,17 @@
 
         private void AssertPipingFailureMechanism(PipingFailureMechanism expectedPipingFailureMechanism, PipingFailureMechanism actualPipingFailureMechanism)
         {
+            AssertProbabilityAssesmentInput(expectedPipingFailureMechanism.PipingProbabilityAssessmentInput, actualPipingFailureMechanism.PipingProbabilityAssessmentInput);
             AssertStochasticSoilModels(expectedPipingFailureMechanism.StochasticSoilModels, actualPipingFailureMechanism.StochasticSoilModels);
             AssertSurfaceLines(expectedPipingFailureMechanism.SurfaceLines, actualPipingFailureMechanism.SurfaceLines);
             AssertCalculationGroup(expectedPipingFailureMechanism.CalculationsGroup, actualPipingFailureMechanism.CalculationsGroup);
         }
 
+        private void AssertProbabilityAssesmentInput(PipingProbabilityAssessmentInput expectedModel, PipingProbabilityAssessmentInput actualModel)
+        {
+            Assert.AreEqual(expectedModel.A, actualModel.A);
+        }
+
         private void AssertStochasticSoilModels(ObservableList<StochasticSoilModel> expectedModels, ObservableList<StochasticSoilModel> actualModels)
         {
             // Precondition:
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/AssessmentSectionUpdateExtensionsTest.cs
===================================================================
diff -u -rea14c73fc9ac706d48a5af7125bb570a5d07dd28 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/AssessmentSectionUpdateExtensionsTest.cs	(.../AssessmentSectionUpdateExtensionsTest.cs)	(revision ea14c73fc9ac706d48a5af7125bb570a5d07dd28)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/AssessmentSectionUpdateExtensionsTest.cs	(.../AssessmentSectionUpdateExtensionsTest.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using System.Collections.Generic;
 using System.Data.Entity;
 using System.Linq;
 using Application.Ringtoets.Storage.Create;
@@ -157,6 +158,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
             // Call
@@ -201,6 +207,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
             // Call
@@ -246,6 +257,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             ringtoetsEntities.ReferenceLinePointEntities.Add(referenceLinePointEntity);
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
@@ -290,6 +306,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
             // Call
@@ -348,6 +369,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
             ringtoetsEntities.HydraulicLocationEntities.Add(hydraulicLocationEntity);
 
@@ -397,6 +423,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
@@ -443,6 +474,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             FillWithFailureMechanismEntities(ringtoetsEntities.FailureMechanismEntities);
 
@@ -513,6 +549,11 @@
             {
                 CalculationGroupEntityId = section.PipingFailureMechanism.CalculationsGroup.StorageId
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = section.PipingFailureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = section.PipingFailureMechanism.StorageId
+            });
 
             ringtoetsEntities.FailureMechanismEntities.Add(macrostabilityInwardsEntity);
             ringtoetsEntities.FailureMechanismEntities.Add(macrostabilityOutwardsEntity);
@@ -583,6 +624,10 @@
                     CalculationsGroup =
                     {
                         StorageId = 1
+                    },
+                    PipingProbabilityAssessmentInput =
+                    {
+                        StorageId = 1
                     }
                 },
                 GrassCoverErosionInwards =
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/PipingFailureMechanismUpdateExtensionsTest.cs
===================================================================
diff -u -r3fa8664290181eedfdcefbe87f32aa7539d748e3 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/PipingFailureMechanismUpdateExtensionsTest.cs	(.../PipingFailureMechanismUpdateExtensionsTest.cs)	(revision 3fa8664290181eedfdcefbe87f32aa7539d748e3)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/PipingFailureMechanismUpdateExtensionsTest.cs	(.../PipingFailureMechanismUpdateExtensionsTest.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -158,6 +158,11 @@
             };
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroup);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -204,6 +209,11 @@
 
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -261,6 +271,11 @@
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
             ringtoetsEntities.StochasticSoilModelEntities.Add(stochasticSoilModelEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -305,6 +320,11 @@
             };
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -360,6 +380,11 @@
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
             ringtoetsEntities.SurfaceLineEntities.Add(surfaceLineEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -401,6 +426,11 @@
 
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -456,6 +486,11 @@
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
             ringtoetsEntities.FailureMechanismSectionEntities.Add(failureMechanismSectionEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             // Call
             failureMechanism.Update(new PersistenceRegistry(), ringtoetsEntities);
@@ -503,6 +538,11 @@
             };
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             var registry = new PersistenceRegistry();
 
@@ -567,6 +607,11 @@
             ringtoetsEntities.FailureMechanismEntities.Add(failureMechanismEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(rootCalculationGroupEntity);
             ringtoetsEntities.CalculationGroupEntities.Add(childGroupEntity);
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = failureMechanism.PipingProbabilityAssessmentInput.StorageId,
+                FailureMechanismEntityId = failureMechanism.StorageId
+            });
 
             var registry = new PersistenceRegistry();
 
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/PipingProbabilityAssessmentInputUpdateExtensionsTest.cs
===================================================================
diff -u
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/PipingProbabilityAssessmentInputUpdateExtensionsTest.cs	(revision 0)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/PipingProbabilityAssessmentInputUpdateExtensionsTest.cs	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -0,0 +1,156 @@
+// Copyright (C) Stichting Deltares 2016. 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 Application.Ringtoets.Storage.Create;
+using Application.Ringtoets.Storage.DbContext;
+using Application.Ringtoets.Storage.Exceptions;
+using Application.Ringtoets.Storage.TestUtil;
+using Application.Ringtoets.Storage.Update;
+using NUnit.Framework;
+using Rhino.Mocks;
+using Ringtoets.Piping.Data;
+
+namespace Application.Ringtoets.Storage.Test.Update
+{
+    [TestFixture]
+    public class PipingProbabilityAssessmentInputUpdateExtensionsTest
+    {
+        [Test]
+        public void Update_WithoutContext_ArgumentNullException()
+        {
+            // Setup
+            var probabilityAssessmentInput = new PipingProbabilityAssessmentInput();
+
+            // Call
+            TestDelegate test = () => probabilityAssessmentInput.Update(new PersistenceRegistry(), null);
+
+            // Assert
+            var paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("context", paramName);
+        }
+
+        [Test]
+        public void Update_WithoutPersistenceRegistry_ArgumentNullException()
+        {
+            // Setup
+            var probabilityAssessmentInput = new PipingProbabilityAssessmentInput();
+
+            // Call
+            TestDelegate test = () =>
+            {
+                using (var ringtoetsEntities = new RingtoetsEntities())
+                {
+                    probabilityAssessmentInput.Update(null, ringtoetsEntities);
+                }
+            };
+
+            // Assert
+            var paramName = Assert.Throws<ArgumentNullException>(test).ParamName;
+            Assert.AreEqual("registry", paramName);
+        }
+
+        [Test]
+        public void Update_ContextWithNoPipingProbabilityAssessmentInput_EntityNotFoundException()
+        {
+            // Setup
+            var probabilityAssessmentInput = new PipingProbabilityAssessmentInput();
+
+            // Call
+            TestDelegate test = () =>
+            {
+                using (var ringtoetsEntities = new RingtoetsEntities())
+                {
+                    probabilityAssessmentInput.Update(new PersistenceRegistry(), ringtoetsEntities);
+                }
+            };
+
+            // Assert
+            var expectedMessage = String.Format("Het object 'PipingFailureMechanismMetaEntity' met id '{0}' is niet gevonden.", 0);
+            EntityNotFoundException exception = Assert.Throws<EntityNotFoundException>(test);
+            Assert.AreEqual(expectedMessage, exception.Message);
+        }
+
+        [Test]
+        public void Update_ContextWithNoPipingFailureMechanismWithId_EntityNotFoundException()
+        {
+            // Setup
+            MockRepository mocks = new MockRepository();
+            var ringtoetsEntities = RingtoetsEntitiesHelper.CreateStub(mocks);
+
+            mocks.ReplayAll();
+
+            var storageId = 1;
+            var probabilityAssessmentInput = new PipingProbabilityAssessmentInput
+            {
+                StorageId = storageId
+            };
+
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = 2
+            });
+
+            // Call
+            TestDelegate test = () => probabilityAssessmentInput.Update(new PersistenceRegistry(), ringtoetsEntities);
+
+            // Assert
+            var expectedMessage = String.Format("Het object 'PipingFailureMechanismMetaEntity' met id '{0}' is niet gevonden.", storageId);
+            EntityNotFoundException exception = Assert.Throws<EntityNotFoundException>(test);
+            Assert.AreEqual(expectedMessage, exception.Message);
+
+            mocks.VerifyAll();
+        }
+
+        [Test]
+        public void Update_ContextWithPipingFailureMechanism_PropertiesUpdated()
+        {
+            // Setup
+            MockRepository mocks = new MockRepository();
+            var ringtoetsEntities = RingtoetsEntitiesHelper.CreateStub(mocks);
+
+            mocks.ReplayAll();
+
+            double value = 0.64;
+
+            var probabilityAssessmentInput = new PipingProbabilityAssessmentInput
+            {
+                StorageId = 1,
+                A = value
+            };
+
+            var pipingFailureMechanismMetaEntity = new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = probabilityAssessmentInput.StorageId,
+                A = Convert.ToDecimal(0.3)
+            };
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(pipingFailureMechanismMetaEntity);
+
+            // Call
+            probabilityAssessmentInput.Update(new PersistenceRegistry(), ringtoetsEntities);
+
+            // Assert
+            Assert.AreEqual(Convert.ToDecimal(value), pipingFailureMechanismMetaEntity.A);
+
+            mocks.VerifyAll();
+        }
+    }
+}
\ No newline at end of file
Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/ProjectUpdateExtensionsTest.cs
===================================================================
diff -u -rfe68c3f7cae5946b93d9e27eb532b176a6b26b84 -r9d77e28eef1dda363f4854ba2011a0107588d82c
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/ProjectUpdateExtensionsTest.cs	(.../ProjectUpdateExtensionsTest.cs)	(revision fe68c3f7cae5946b93d9e27eb532b176a6b26b84)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Update/ProjectUpdateExtensionsTest.cs	(.../ProjectUpdateExtensionsTest.cs)	(revision 9d77e28eef1dda363f4854ba2011a0107588d82c)
@@ -243,6 +243,10 @@
                     CalculationsGroup =
                     {
                         StorageId = 23
+                    },
+                    PipingProbabilityAssessmentInput =
+                    {
+                        StorageId = 2
                     }
                 },
                 GrassCoverErosionInwards =
@@ -322,6 +326,10 @@
             {
                 FailureMechanismEntityId = 1
             });
+            ringtoetsEntities.PipingFailureMechanismMetaEntities.Add(new PipingFailureMechanismMetaEntity
+            {
+                PipingFailureMechanismMetaEntityId = 2
+            });
 
             // Call
             project.Update(new PersistenceRegistry(), ringtoetsEntities);