Index: DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalGrebbedijkTests.cs
===================================================================
diff -u -r3249 -r3293
--- DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalGrebbedijkTests.cs	(.../OperationalGrebbedijkTests.cs)	(revision 3249)
+++ DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/OperationalGrebbedijkTests.cs	(.../OperationalGrebbedijkTests.cs)	(revision 3293)
@@ -64,6 +64,8 @@
             inputString = XmlAdapter.ChangeValueInXml(inputString, "SoilDatabaseName", baseTestDirectory + @"Operational\Grebbedijk\input0.soilmaterials.mdb");
             EngineInterface engineInterface = new EngineInterface(inputString);
             Assert.IsNotNull(engineInterface.DamProjectData);
+            string result = engineInterface.Validate();
+           // Assert.IsTrue(result == null, "Validation must succeed but does not, see validation output xml in debugger");
             string outputString = engineInterface.Run();
             File.WriteAllText(outputFileName, outputString, Encoding.Unicode);
             Assert.IsNotNull(outputString);
@@ -77,8 +79,8 @@
 
         }
 
-        [TestCase(PipingModelType.Bligh)]
-        [TestCase(PipingModelType.SellmeijerVnk)]
+        //[TestCase(PipingModelType.Bligh)] //ToDo add succesfull test for Bligh/SellmeijerVnk
+        //[TestCase(PipingModelType.SellmeijerVnk)]
         [TestCase(PipingModelType.Sellmeijer4Forces)]
         public void Run_UsingTestFiles_ButWithUnsupportedPipingModelFails(PipingModelType pipingModel)
         {
Index: DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.Calculators/DikesOperational/OperationalCalculator.cs
===================================================================
diff -u -r3292 -r3293
--- DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.Calculators/DikesOperational/OperationalCalculator.cs	(.../OperationalCalculator.cs)	(revision 3292)
+++ DamEngine/branches/DamEngine 19.2/src/Deltares.DamEngine.Calculators/DikesOperational/OperationalCalculator.cs	(.../OperationalCalculator.cs)	(revision 3293)
@@ -400,7 +400,7 @@
             {
                 // get copy of the input entry
                 var copyOfEntry = entry.GetShallowCopy();
-
+                copyOfEntry.Value = double.NaN;
                 // set parameter and location id's and add the projected entry to the output
                 copyOfSeries.LocationId = location.Name;
                 copyOfSeries.ParameterId = outputParameter;