Index: DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/PipingBlighTests.cs
===================================================================
diff -u -r4052 -r4229
--- DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/PipingBlighTests.cs	(.../PipingBlighTests.cs)	(revision 4052)
+++ DamEngine/trunk/src/Deltares.DamEngine.IntegrationTests/IntegrationTests/PipingBlighTests.cs	(.../PipingBlighTests.cs)	(revision 4229)
@@ -236,4 +236,40 @@
         Assert.AreEqual(1.311, output.Results.CalculationResults[locationIndex * 2 + 1].PipingDesignResults.BlighFactor, tolerance);
         Assert.AreEqual((locationIndex + 1) * 2, output.Results.CalculationResults.Length);
     }
+    
+    [Test]
+    [TestCase(1)]
+    [TestCase(4)]
+    public void TestDAMSUP_169(int maxCores)
+    {
+        const string mapTestFiles = @"TestFiles\";
+        string fullInputFilename = Path.Combine(mapTestFiles, "DAMSUP169Bligh.xml");
+        Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
+        string inputString = File.ReadAllText(fullInputFilename);
+        var engineInterface = new EngineInterface(inputString);
+        Assert.IsNotNull(engineInterface.DamProjectData);
+        engineInterface.DamProjectData.MaxCalculationCores = maxCores;
+        string result = engineInterface.Validate();
+        Assert.IsTrue(result == null, "Validation must succeed but does not, see output xml in debugger");
+        string outputString = engineInterface.Run();
+        string outputName = "Output" + maxCores + ".xml";
+        File.WriteAllText(outputName, outputString);
+        Output output = DamXmlSerialization.LoadOutputFromXmlString(outputString);
+        int errorCount = GeneralHelper.DetermineNumberOfCalculationErrors(engineInterface.DamProjectData.CalculationMessages);
+        Assert.AreEqual(0, errorCount, "There should be nor errors during the calculation.");
+        Assert.AreNotEqual(null, output.Results.CalculationResults);
+        Assert.AreEqual(6, output.Results.CalculationResults.Length);
+        Assert.AreEqual(17.208, output.Results.CalculationResults[0].PipingDesignResults.BlighFactor, tolerance);
+        Assert.AreEqual(90.000, output.Results.CalculationResults[1].PipingDesignResults.BlighFactor, tolerance);
+        Assert.AreEqual(90.000, output.Results.CalculationResults[2].PipingDesignResults.BlighFactor, tolerance);
+        Assert.AreEqual(90.000, output.Results.CalculationResults[3].PipingDesignResults.BlighFactor, tolerance);
+        Assert.AreEqual(7.041, output.Results.CalculationResults[4].PipingDesignResults.BlighFactor, tolerance);
+        Assert.AreEqual(90.000, output.Results.CalculationResults[5].PipingDesignResults.BlighFactor, tolerance);
+        Assert.AreEqual(5, output.Results.CalculationMessages.Length);
+        Assert.IsTrue(output.Results.CalculationMessages[0].Message1.Contains("no uplift"));
+        Assert.IsTrue(output.Results.CalculationMessages[1].Message1.Contains("no uplift"));
+        Assert.IsTrue(output.Results.CalculationMessages[2].Message1.Contains("no uplift"));
+        Assert.IsTrue(output.Results.CalculationMessages[3].Message1.Contains("no uplift"));
+        Assert.IsTrue(output.Results.CalculationMessages[4].Message1.Contains("no uplift"));
+    }
 }
\ No newline at end of file