Index: DamClients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs
===================================================================
diff -u -r3664 -r3678
--- DamClients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs	(.../DamPlugin.cs)	(revision 3664)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamPlugin.cs	(.../DamPlugin.cs)	(revision 3678)
@@ -711,7 +711,8 @@
                 LocalizedMessageBox.ShowTranslatedText(openingMessage + paragraphSepatator + timeMessage + paragraphSepatator + e.Message);
             }
 
-            this.damProject.SaveXMLProject(this.damProject.ProjectFileName, this.damProject);
+            damProject.SaveXMLProject(damProject.ProjectFileName, damProject);
+            damProject.SaveCalculationLogToTextFile(damProject.DamProjectData.CalculationMessages, damProject.ProjectFileName);
             SetProperControlsAfterCalculation();
         }
 
@@ -1177,8 +1178,8 @@
 
 
                 // Save the data
-                this.damProject.SaveXMLProject(this.damProject.ProjectFileName, this.damProject);
-
+                damProject.SaveXMLProject(damProject.ProjectFileName, damProject);
+                damProject.SaveCalculationLogToTextFile(damProject.DamProjectData.CalculationMessages, damProject.ProjectFileName);
                 this.progressDelegate(1);
 
                 mainForm.Invoke(new EmptyDelegate(this.UpdateForDamApplicationType));
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProject.cs
===================================================================
diff -u -r3526 -r3678
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProject.cs	(.../DamProject.cs)	(revision 3526)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/DamProject.cs	(.../DamProject.cs)	(revision 3678)
@@ -52,6 +52,7 @@
         private string projectFileName;
         private static string testProgramVersion;
         private DamProjectData damProjectData;
+        private const string CalculationLogFileExtension = "calclog.txt";
 
         public static ProjectPathLocation ProjectWorkingPathLocation = ProjectPathLocation.InApplicationMap;
         public static string UserWorkingPath = DamProject.GetNewTempDirectory();
@@ -744,6 +745,29 @@
             });
         }
 
+        /// <summary>
+        /// Saves the calculation log to text file.
+        /// </summary>
+        /// <param name="calculationMessages">The calculation messages.</param>
+        /// <param name="fileName">Name of the file.</param>
+        public void SaveCalculationLogToTextFile(List<Standard.Logging.LogMessage> calculationMessages, string fileName)
+        {
+            if (calculationMessages != null && calculationMessages.Count > 0)
+            {
+                var messages = new List<string>();
+                foreach (var calculationMessage in calculationMessages)
+                {
+                    messages.Add(calculationMessage.MessageType + ": " + calculationMessage.Message + ", " +
+                                 calculationMessage.Detail + ", " + calculationMessage.SubjectName);
+                }
+                fileName = Path.ChangeExtension(fileName, DateTime.Now.ToFileTime() + CalculationLogFileExtension);
+                System.IO.File.WriteAllLines(fileName, messages);
+            }
+        }
+
+        /// <summary>
+        /// Imports the water level time series.
+        /// </summary>
         public void ImportWaterLevelTimeSeries()
         {