Index: Core/Common/src/Core.Common.Gui/GuiCore.cs
===================================================================
diff -u -re9b8aa3e972b9f07a3201f143c26de0e3f082d49 -r2b99c96f2860546a73cfac8d8fb6a208998850da
--- Core/Common/src/Core.Common.Gui/GuiCore.cs	(.../GuiCore.cs)	(revision e9b8aa3e972b9f07a3201f143c26de0e3f082d49)
+++ Core/Common/src/Core.Common.Gui/GuiCore.cs	(.../GuiCore.cs)	(revision 2b99c96f2860546a73cfac8d8fb6a208998850da)
@@ -120,6 +120,7 @@
             }
 
             MainWindow = mainWindow;
+            ProjectStore = projectStore;
             FixedSettings = fixedSettings;
 
             isAlreadyRunningInstanceOfIGui = true;
@@ -148,6 +149,8 @@
 
         public IPropertyResolver PropertyResolver { get; private set; }
 
+        public IStoreProject ProjectStore { get; }
+
         #region Implementation: ISettingsOwner
 
         public GuiCoreSettings FixedSettings { get; }
Index: Core/Common/src/Core.Common.Gui/IGui.cs
===================================================================
diff -u -r6cdb90fc3f89fe0c44b62d3be7266a0090a6b891 -r2b99c96f2860546a73cfac8d8fb6a208998850da
--- Core/Common/src/Core.Common.Gui/IGui.cs	(.../IGui.cs)	(revision 6cdb90fc3f89fe0c44b62d3be7266a0090a6b891)
+++ Core/Common/src/Core.Common.Gui/IGui.cs	(.../IGui.cs)	(revision 2b99c96f2860546a73cfac8d8fb6a208998850da)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using Core.Common.Base.Storage;
 using Core.Common.Gui.Commands;
 using Core.Common.Gui.ContextMenu;
 using Core.Common.Gui.Forms.PropertyGridView;
@@ -43,6 +44,11 @@
         IPropertyResolver PropertyResolver { get; }
 
         /// <summary>
+        /// Gets the object responsible for perform storage actions.
+        /// </summary>
+        IStoreProject ProjectStore { get; }
+
+        /// <summary>
         /// Terminates the application.
         /// </summary>
         void ExitApplication();
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Merge/AssessmentSectionProvider.cs
===================================================================
diff -u -r86594ccd7329d320872573a1d066fe18959d3cea -r2b99c96f2860546a73cfac8d8fb6a208998850da
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/Merge/AssessmentSectionProvider.cs	(.../AssessmentSectionProvider.cs)	(revision 86594ccd7329d320872573a1d066fe18959d3cea)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/Merge/AssessmentSectionProvider.cs	(.../AssessmentSectionProvider.cs)	(revision 2b99c96f2860546a73cfac8d8fb6a208998850da)
@@ -22,11 +22,11 @@
 using System;
 using System.Collections.Generic;
 using System.Windows.Forms;
+using Core.Common.Base.Storage;
 using Core.Common.Gui.Forms.ProgressDialog;
 using Riskeer.Integration.Data;
 using Riskeer.Integration.Data.Merge;
 using Riskeer.Integration.Service.Merge;
-using Riskeer.Storage.Core;
 
 namespace Riskeer.Integration.Plugin.Merge
 {
@@ -36,21 +36,29 @@
     public class AssessmentSectionProvider : IAssessmentSectionProvider
     {
         private readonly IWin32Window viewParent;
+        private readonly IStoreProject projectStorage;
 
         /// <summary>
         /// Initializes a new instance of <see cref="AssessmentSectionProvider"/>.
         /// </summary>
         /// <param name="viewParent">The parent of the view.</param>
-        /// <exception cref="ArgumentNullException">Thrown when <paramref name="viewParent"/>
+        /// /// <param name="projectStorage">Class responsible for loading the project.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter
         /// is <c>null</c>.</exception>
-        public AssessmentSectionProvider(IWin32Window viewParent)
+        public AssessmentSectionProvider(IWin32Window viewParent, IStoreProject projectStorage)
         {
             if (viewParent == null)
             {
                 throw new ArgumentNullException(nameof(viewParent));
             }
 
+            if (projectStorage == null)
+            {
+                throw new ArgumentNullException(nameof(projectStorage));
+            }
+
             this.viewParent = viewParent;
+            this.projectStorage = projectStorage;
         }
 
         public IEnumerable<AssessmentSection> GetAssessmentSections(string filePath)
@@ -64,7 +72,7 @@
 
             ActivityProgressDialogRunner.Run(viewParent,
                                              LoadAssessmentSectionsActivityFactory.CreateLoadAssessmentSectionsActivity(
-                                                 assessmentSectionsOwner, new LoadAssessmentSectionService(new StorageSqLite()),
+                                                 assessmentSectionsOwner, new LoadAssessmentSectionService(projectStorage),
                                                  filePath));
 
             if (assessmentSectionsOwner.AssessmentSections == null)
Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs
===================================================================
diff -u -rb2e674342e62c30bb8f78c89ca5cd450c8c6cc2e -r2b99c96f2860546a73cfac8d8fb6a208998850da
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs	(.../RiskeerPlugin.cs)	(revision b2e674342e62c30bb8f78c89ca5cd450c8c6cc2e)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/RiskeerPlugin.cs	(.../RiskeerPlugin.cs)	(revision 2b99c96f2860546a73cfac8d8fb6a208998850da)
@@ -273,7 +273,7 @@
             assessmentSectionFromFileCommandHandler = new AssessmentSectionFromFileCommandHandler(Gui.MainWindow, Gui, Gui.DocumentViewController);
             hydraulicBoundaryLocationCalculationGuiService = new HydraulicBoundaryLocationCalculationGuiService(Gui.MainWindow);
             assessmentSectionMerger = new AssessmentSectionMerger(new AssessmentSectionMergeFilePathProvider(GetInquiryHelper()),
-                                                                  new AssessmentSectionProvider(Gui.MainWindow),
+                                                                  new AssessmentSectionProvider(Gui.MainWindow, Gui.ProjectStore),
                                                                   new AssessmentSectionMergeComparer(),
                                                                   new AssessmentSectionMergeDataProviderDialog(Gui.MainWindow),
                                                                   new AssessmentSectionMergeHandler(Gui.ViewCommands));
Index: Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Merge/AssessmentSectionProviderTest.cs
===================================================================
diff -u -r56d072b8342f3e54ba89124ab918bd1529e257a3 -r2b99c96f2860546a73cfac8d8fb6a208998850da
--- Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Merge/AssessmentSectionProviderTest.cs	(.../AssessmentSectionProviderTest.cs)	(revision 56d072b8342f3e54ba89124ab918bd1529e257a3)
+++ Riskeer/Integration/test/Riskeer.Integration.Plugin.Test/Merge/AssessmentSectionProviderTest.cs	(.../AssessmentSectionProviderTest.cs)	(revision 2b99c96f2860546a73cfac8d8fb6a208998850da)
@@ -24,12 +24,14 @@
 using System.IO;
 using System.Linq;
 using System.Windows.Forms;
+using Core.Common.Base.Storage;
 using Core.Common.TestUtil;
 using NUnit.Extensions.Forms;
 using NUnit.Framework;
 using Rhino.Mocks;
 using Riskeer.Integration.Data;
 using Riskeer.Integration.Plugin.Merge;
+using Riskeer.Storage.Core;
 
 namespace Riskeer.Integration.Plugin.Test.Merge
 {
@@ -44,10 +46,11 @@
             // Setup
             var mocks = new MockRepository();
             var viewParent = mocks.Stub<IWin32Window>();
+            var projectStorage = mocks.Stub<IStoreProject>();
             mocks.ReplayAll();
 
             // Call
-            var provider = new AssessmentSectionProvider(viewParent);
+            var provider = new AssessmentSectionProvider(viewParent, projectStorage);
 
             // Assert
             Assert.IsInstanceOf<IAssessmentSectionProvider>(provider);
@@ -57,29 +60,51 @@
         [Test]
         public void Constructor_ViewParentNull_ThrowsArgumentNullException()
         {
+            // Setup
+            var mocks = new MockRepository();
+            var projectStorage = mocks.Stub<IStoreProject>();
+            mocks.ReplayAll();
+
             // Call
-            TestDelegate call = () => new AssessmentSectionProvider(null);
+            void Call() => new AssessmentSectionProvider(null, projectStorage);
 
             // Assert
-            var exception = Assert.Throws<ArgumentNullException>(call);
+            var exception = Assert.Throws<ArgumentNullException>(Call);
             Assert.AreEqual("viewParent", exception.ParamName);
         }
 
         [Test]
+        public void Constructor_ProjectStorageNull_ThrowsArgumentNullException()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var viewParent = mocks.Stub<IWin32Window>();
+            mocks.ReplayAll();
+
+            // Call
+            void Call() => new AssessmentSectionProvider(viewParent, null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("projectStorage", exception.ParamName);
+        }
+
+        [Test]
         public void GetAssessmentSections_FilePathNull_ThrowsArgumentNullException()
         {
             // Setup
             var mocks = new MockRepository();
             var viewParent = mocks.Stub<IWin32Window>();
+            var projectStorage = mocks.Stub<IStoreProject>();
             mocks.ReplayAll();
 
-            var provider = new AssessmentSectionProvider(viewParent);
+            var provider = new AssessmentSectionProvider(viewParent, projectStorage);
 
             // Call
-            TestDelegate call = () => provider.GetAssessmentSections(null);
+            void Call() => provider.GetAssessmentSections(null);
 
             // Assert
-            var exception = Assert.Throws<ArgumentNullException>(call);
+            var exception = Assert.Throws<ArgumentNullException>(Call);
             Assert.AreEqual("filePath", exception.ParamName);
             mocks.VerifyAll();
         }
@@ -90,20 +115,21 @@
             // Setup
             var mocks = new MockRepository();
             var viewParent = mocks.Stub<IWin32Window>();
+            var projectStorage = mocks.Stub<IStoreProject>();
             mocks.ReplayAll();
 
-            var provider = new AssessmentSectionProvider(viewParent);
+            var provider = new AssessmentSectionProvider(viewParent, projectStorage);
 
             DialogBoxHandler = (name, wnd) =>
             {
                 // Expect an activity dialog which is automatically closed
             };
 
             // Call
-            TestDelegate call = () => provider.GetAssessmentSections("filePath");
+            void Call() => provider.GetAssessmentSections("filePath");
 
             // Assert
-            Assert.Throws<AssessmentSectionProviderException>(call);
+            Assert.Throws<AssessmentSectionProviderException>(Call);
             mocks.VerifyAll();
         }
 
@@ -115,7 +141,7 @@
             var viewParent = mocks.Stub<IWin32Window>();
             mocks.ReplayAll();
 
-            var provider = new AssessmentSectionProvider(viewParent);
+            var provider = new AssessmentSectionProvider(viewParent, new StorageSqLite());
             string filePath = Path.Combine(testDataPath, "project.risk");
 
             DialogBoxHandler = (name, wnd) =>