Index: Riskeer/Common/src/Riskeer.Common.Forms/Observers/CalculatableFailureMechanismResultObserver.cs
===================================================================
diff -u -r8658d36cc32a7af5ea898721e85abe5985b52fb1 -rabbb37e4aa1bceb60013db9d40a25afbf8d61595
--- Riskeer/Common/src/Riskeer.Common.Forms/Observers/CalculatableFailureMechanismResultObserver.cs	(.../CalculatableFailureMechanismResultObserver.cs)	(revision 8658d36cc32a7af5ea898721e85abe5985b52fb1)
+++ Riskeer/Common/src/Riskeer.Common.Forms/Observers/CalculatableFailureMechanismResultObserver.cs	(.../CalculatableFailureMechanismResultObserver.cs)	(revision abbb37e4aa1bceb60013db9d40a25afbf8d61595)
@@ -28,7 +28,7 @@
 {
     /// <summary>
     /// Class that observes all objects in an <typeparamref name="TFailureMechanism"/>
-    /// related to its section results.
+    /// related to its assembly results.
     /// </summary>
     /// <typeparam name="TFailureMechanism">The type of the failure mechanism to listen to.</typeparam>
     /// <typeparam name="TSectionResult">The type of the failure mechanism section results in the <typeparamref name="TFailureMechanism"/>.</typeparam>
Index: Riskeer/Common/src/Riskeer.Common.Forms/Observers/FailureMechanismResultObserver.cs
===================================================================
diff -u -r8658d36cc32a7af5ea898721e85abe5985b52fb1 -rabbb37e4aa1bceb60013db9d40a25afbf8d61595
--- Riskeer/Common/src/Riskeer.Common.Forms/Observers/FailureMechanismResultObserver.cs	(.../FailureMechanismResultObserver.cs)	(revision 8658d36cc32a7af5ea898721e85abe5985b52fb1)
+++ Riskeer/Common/src/Riskeer.Common.Forms/Observers/FailureMechanismResultObserver.cs	(.../FailureMechanismResultObserver.cs)	(revision abbb37e4aa1bceb60013db9d40a25afbf8d61595)
@@ -27,7 +27,7 @@
 {
     /// <summary>
     /// Class that observes all objects in an <typeparamref name="TFailureMechanism"/> related to
-    /// its section results.
+    /// its assembly results.
     /// </summary>
     /// <typeparam name="TFailureMechanism">The type of the failure mechanism to observe.</typeparam>
     /// <typeparam name="TSectionResult">The type of the section results in the failure mechanism.</typeparam>
@@ -36,6 +36,7 @@
         where TSectionResult : FailureMechanismSectionResult
     {
         private readonly Observer failureMechanismObserver;
+        private readonly Observer failureMechanismAssemblyResultObserver;
         private readonly RecursiveObserver<IObservableEnumerable<TSectionResult>, TSectionResult> failureMechanismSectionResultsObserver;
 
         /// <summary>
@@ -55,6 +56,11 @@
                 Observable = failureMechanism
             };
 
+            failureMechanismAssemblyResultObserver = new Observer(NotifyObservers)
+            {
+                Observable = failureMechanism.AssemblyResult
+            };
+            
             failureMechanismSectionResultsObserver = new RecursiveObserver<IObservableEnumerable<TSectionResult>, TSectionResult>(
                 NotifyObservers,
                 sr => sr)
@@ -74,6 +80,7 @@
             if (disposing)
             {
                 failureMechanismObserver.Dispose();
+                failureMechanismAssemblyResultObserver.Dispose();
                 failureMechanismSectionResultsObserver.Dispose();
             }
         }
Index: Riskeer/Common/test/Riskeer.Common.Forms.Test/Observers/FailureMechanismResultObserverTest.cs
===================================================================
diff -u -r8658d36cc32a7af5ea898721e85abe5985b52fb1 -rabbb37e4aa1bceb60013db9d40a25afbf8d61595
--- Riskeer/Common/test/Riskeer.Common.Forms.Test/Observers/FailureMechanismResultObserverTest.cs	(.../FailureMechanismResultObserverTest.cs)	(revision 8658d36cc32a7af5ea898721e85abe5985b52fb1)
+++ Riskeer/Common/test/Riskeer.Common.Forms.Test/Observers/FailureMechanismResultObserverTest.cs	(.../FailureMechanismResultObserverTest.cs)	(revision abbb37e4aa1bceb60013db9d40a25afbf8d61595)
@@ -105,5 +105,28 @@
                 mocks.VerifyAll();
             }
         }
+
+        [Test]
+        public void GivenFailureMechanismResultObserverWithAttachedObserver_WhenFailureMechanismAssemblyResultNotifiesObservers_ThenAttachedObserverNotified()
+        {
+            // Given
+            var failureMechanism = new TestFailureMechanism();
+
+            using (var resultObserver = new FailureMechanismResultObserver<TestFailureMechanism, FailureMechanismSectionResult>(failureMechanism))
+            {
+                var mocks = new MockRepository();
+                var observer = mocks.StrictMock<IObserver>();
+                observer.Expect(o => o.UpdateObserver());
+                mocks.ReplayAll();
+
+                resultObserver.Attach(observer);
+
+                // When
+                failureMechanism.AssemblyResult.NotifyObservers();
+
+                // Then
+                mocks.VerifyAll();
+            }
+        }
     }
 }
\ No newline at end of file