Index: Riskeer/Storage/src/Riskeer.Storage.Core/Create/StructuresCalculationScenarioCreateExtensions.cs
===================================================================
diff -u -rc360f49cedb42a350189ba43209c70dfac395c9c -r3ec4914aaaf4219b33f6ff3ce04759bf2acd597c
--- Riskeer/Storage/src/Riskeer.Storage.Core/Create/StructuresCalculationScenarioCreateExtensions.cs	(.../StructuresCalculationScenarioCreateExtensions.cs)	(revision c360f49cedb42a350189ba43209c70dfac395c9c)
+++ Riskeer/Storage/src/Riskeer.Storage.Core/Create/StructuresCalculationScenarioCreateExtensions.cs	(.../StructuresCalculationScenarioCreateExtensions.cs)	(revision 3ec4914aaaf4219b33f6ff3ce04759bf2acd597c)
@@ -142,6 +142,7 @@
             entity.ModelFactorSuperCriticalFlowMean = input.ModelFactorSuperCriticalFlow.Mean.ToNaNAsNull();
 
             entity.DrainCoefficientMean = input.DrainCoefficient.Mean.ToNaNAsNull();
+            entity.DrainCoefficientStandardDeviation = input.DrainCoefficient.StandardDeviation.ToNaNAsNull();
 
             entity.FactorStormDurationOpenStructure = input.FactorStormDurationOpenStructure.ToNaNAsNull();
 
@@ -341,6 +342,7 @@
             entity.VolumicWeightWater = input.VolumicWeightWater.ToNaNAsNull();
             entity.FactorStormDurationOpenStructure = input.FactorStormDurationOpenStructure.ToNaNAsNull();
             entity.DrainCoefficientMean = input.DrainCoefficient.Mean.ToNaNAsNull();
+            entity.DrainCoefficientStandardDeviation = input.DrainCoefficient.StandardDeviation.ToNaNAsNull();
         }
 
         private static void SetStabilityPointStructuresOutputEntity(StructuresCalculation<StabilityPointStructuresInput> calculation,
Index: Riskeer/Storage/src/Riskeer.Storage.Core/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensions.cs
===================================================================
diff -u -r2cb7a4ee6a726ec8a9758fb951d35eb81a54a19f -r3ec4914aaaf4219b33f6ff3ce04759bf2acd597c
--- Riskeer/Storage/src/Riskeer.Storage.Core/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensions.cs	(.../ClosingStructuresCalculationEntityReadExtensions.cs)	(revision 2cb7a4ee6a726ec8a9758fb951d35eb81a54a19f)
+++ Riskeer/Storage/src/Riskeer.Storage.Core/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensions.cs	(.../ClosingStructuresCalculationEntityReadExtensions.cs)	(revision 3ec4914aaaf4219b33f6ff3ce04759bf2acd597c)
@@ -85,6 +85,7 @@
             inputParameters.DeviationWaveDirection = (RoundedDouble) entity.DeviationWaveDirection.ToNullAsNaN();
             inputParameters.ModelFactorSuperCriticalFlow.Mean = (RoundedDouble) entity.ModelFactorSuperCriticalFlowMean.ToNullAsNaN();
             inputParameters.DrainCoefficient.Mean = (RoundedDouble) entity.DrainCoefficientMean.ToNullAsNaN();
+            inputParameters.DrainCoefficient.StandardDeviation = (RoundedDouble) entity.DrainCoefficientStandardDeviation.ToNullAsNaN();
             inputParameters.FactorStormDurationOpenStructure = (RoundedDouble) entity.FactorStormDurationOpenStructure.ToNullAsNaN();
             inputParameters.ThresholdHeightOpenWeir.Mean = (RoundedDouble) entity.ThresholdHeightOpenWeirMean.ToNullAsNaN();
             inputParameters.ThresholdHeightOpenWeir.StandardDeviation = (RoundedDouble) entity.ThresholdHeightOpenWeirStandardDeviation.ToNullAsNaN();
Index: Riskeer/Storage/src/Riskeer.Storage.Core/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensions.cs
===================================================================
diff -u -r2cb7a4ee6a726ec8a9758fb951d35eb81a54a19f -r3ec4914aaaf4219b33f6ff3ce04759bf2acd597c
--- Riskeer/Storage/src/Riskeer.Storage.Core/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensions.cs	(.../StabilityPointStructuresCalculationEntityReadExtensions.cs)	(revision 2cb7a4ee6a726ec8a9758fb951d35eb81a54a19f)
+++ Riskeer/Storage/src/Riskeer.Storage.Core/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensions.cs	(.../StabilityPointStructuresCalculationEntityReadExtensions.cs)	(revision 3ec4914aaaf4219b33f6ff3ce04759bf2acd597c)
@@ -116,6 +116,7 @@
             inputParameters.VolumicWeightWater = (RoundedDouble) entity.VolumicWeightWater.ToNullAsNaN();
             inputParameters.FactorStormDurationOpenStructure = (RoundedDouble) entity.FactorStormDurationOpenStructure.ToNullAsNaN();
             inputParameters.DrainCoefficient.Mean = (RoundedDouble) entity.DrainCoefficientMean.ToNullAsNaN();
+            inputParameters.DrainCoefficient.StandardDeviation = (RoundedDouble) entity.DrainCoefficientStandardDeviation.ToNullAsNaN();
         }
 
         private static void ReadOutput(StructuresCalculation<StabilityPointStructuresInput> calculation,
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/StructuresCalculationScenarioCreateExtensionsTest.cs
===================================================================
diff -u -r7c1b01c940b94bee859844ac28b2d5490ad78b28 -r3ec4914aaaf4219b33f6ff3ce04759bf2acd597c
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/StructuresCalculationScenarioCreateExtensionsTest.cs	(.../StructuresCalculationScenarioCreateExtensionsTest.cs)	(revision 7c1b01c940b94bee859844ac28b2d5490ad78b28)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Create/StructuresCalculationScenarioCreateExtensionsTest.cs	(.../StructuresCalculationScenarioCreateExtensionsTest.cs)	(revision 3ec4914aaaf4219b33f6ff3ce04759bf2acd597c)
@@ -509,6 +509,7 @@
             Assert.AreEqual(inputParameters.InsideWaterLevel.StandardDeviation.Value, entity.InsideWaterLevelStandardDeviation);
             Assert.AreEqual(inputParameters.DeviationWaveDirection.Value, entity.DeviationWaveDirection);
             Assert.AreEqual(inputParameters.DrainCoefficient.Mean.Value, entity.DrainCoefficientMean);
+            Assert.AreEqual(inputParameters.DrainCoefficient.StandardDeviation.Value, entity.DrainCoefficientStandardDeviation);
             Assert.AreEqual(inputParameters.FactorStormDurationOpenStructure.Value, entity.FactorStormDurationOpenStructure);
             Assert.AreEqual(inputParameters.ThresholdHeightOpenWeir.Mean.Value, entity.ThresholdHeightOpenWeirMean);
             Assert.AreEqual(inputParameters.ThresholdHeightOpenWeir.StandardDeviation.Value, entity.ThresholdHeightOpenWeirStandardDeviation);
@@ -629,6 +630,7 @@
             Assert.IsNull(entity.InsideWaterLevelStandardDeviation);
             Assert.IsNull(entity.DeviationWaveDirection);
             Assert.IsNull(entity.DrainCoefficientMean);
+            Assert.IsNull(entity.DrainCoefficientStandardDeviation);
             Assert.IsNull(entity.FactorStormDurationOpenStructure);
             Assert.IsNull(entity.ThresholdHeightOpenWeirMean);
             Assert.IsNull(entity.ThresholdHeightOpenWeirStandardDeviation);
@@ -956,6 +958,7 @@
             Assert.AreEqual(inputParameters.VolumicWeightWater.Value, entity.VolumicWeightWater);
             Assert.AreEqual(inputParameters.FactorStormDurationOpenStructure.Value, entity.FactorStormDurationOpenStructure);
             Assert.AreEqual(inputParameters.DrainCoefficient.Mean.Value, entity.DrainCoefficientMean);
+            Assert.AreEqual(inputParameters.DrainCoefficient.StandardDeviation.Value, entity.DrainCoefficientStandardDeviation);
             Assert.AreEqual(Convert.ToByte(inputParameters.ShouldIllustrationPointsBeCalculated), entity.ShouldIllustrationPointsBeCalculated);
             Assert.AreEqual(order, entity.Order);
 
@@ -1142,6 +1145,7 @@
             Assert.IsNull(entity.VolumicWeightWater);
             Assert.IsNull(entity.FactorStormDurationOpenStructure);
             Assert.IsNull(entity.DrainCoefficientMean);
+            Assert.IsNull(entity.DrainCoefficientStandardDeviation);
         }
 
         [Test]
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensionsTest.cs
===================================================================
diff -u -r5c6a5f8b9901e77fd2d9fadc1fd482468e2137c8 -r3ec4914aaaf4219b33f6ff3ce04759bf2acd597c
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensionsTest.cs	(.../ClosingStructuresCalculationEntityReadExtensionsTest.cs)	(revision 5c6a5f8b9901e77fd2d9fadc1fd482468e2137c8)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Read/ClosingStructures/ClosingStructuresCalculationEntityReadExtensionsTest.cs	(.../ClosingStructuresCalculationEntityReadExtensionsTest.cs)	(revision 3ec4914aaaf4219b33f6ff3ce04759bf2acd597c)
@@ -83,6 +83,7 @@
                 InsideWaterLevelStandardDeviation = 17.17,
                 DeviationWaveDirection = 18.18,
                 DrainCoefficientMean = 19.19,
+                DrainCoefficientStandardDeviation = 0.02,
                 FactorStormDurationOpenStructure = 20.20,
                 ThresholdHeightOpenWeirMean = 21.21,
                 ThresholdHeightOpenWeirStandardDeviation = 22.22,
@@ -134,6 +135,7 @@
             Assert.AreEqual(entity.InsideWaterLevelStandardDeviation, inputParameters.InsideWaterLevel.StandardDeviation.Value);
             Assert.AreEqual(entity.DeviationWaveDirection, inputParameters.DeviationWaveDirection.Value);
             Assert.AreEqual(entity.DrainCoefficientMean, inputParameters.DrainCoefficient.Mean.Value);
+            Assert.AreEqual(entity.DrainCoefficientStandardDeviation, inputParameters.DrainCoefficient.StandardDeviation.Value);
             Assert.AreEqual(entity.FactorStormDurationOpenStructure, inputParameters.FactorStormDurationOpenStructure.Value);
             Assert.AreEqual(entity.ThresholdHeightOpenWeirMean, inputParameters.ThresholdHeightOpenWeir.Mean.Value);
             Assert.AreEqual(entity.ThresholdHeightOpenWeirStandardDeviation, inputParameters.ThresholdHeightOpenWeir.StandardDeviation.Value);
@@ -173,6 +175,7 @@
                 InsideWaterLevelStandardDeviation = null,
                 DeviationWaveDirection = null,
                 DrainCoefficientMean = null,
+                DrainCoefficientStandardDeviation = null,
                 FactorStormDurationOpenStructure = null,
                 ThresholdHeightOpenWeirMean = null,
                 ThresholdHeightOpenWeirStandardDeviation = null,
@@ -210,6 +213,7 @@
             Assert.IsNaN(inputParameters.InsideWaterLevel.StandardDeviation);
             Assert.IsNaN(inputParameters.DeviationWaveDirection);
             Assert.IsNaN(inputParameters.DrainCoefficient.Mean);
+            Assert.IsNaN(inputParameters.DrainCoefficient.StandardDeviation);
             Assert.IsNaN(inputParameters.FactorStormDurationOpenStructure);
             Assert.IsNaN(inputParameters.ThresholdHeightOpenWeir.Mean);
             Assert.IsNaN(inputParameters.ThresholdHeightOpenWeir.StandardDeviation);
Index: Riskeer/Storage/test/Riskeer.Storage.Core.Test/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensionsTest.cs
===================================================================
diff -u -rc360f49cedb42a350189ba43209c70dfac395c9c -r3ec4914aaaf4219b33f6ff3ce04759bf2acd597c
--- Riskeer/Storage/test/Riskeer.Storage.Core.Test/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensionsTest.cs	(.../StabilityPointStructuresCalculationEntityReadExtensionsTest.cs)	(revision c360f49cedb42a350189ba43209c70dfac395c9c)
+++ Riskeer/Storage/test/Riskeer.Storage.Core.Test/Read/StabilityPointStructures/StabilityPointStructuresCalculationEntityReadExtensionsTest.cs	(.../StabilityPointStructuresCalculationEntityReadExtensionsTest.cs)	(revision 3ec4914aaaf4219b33f6ff3ce04759bf2acd597c)
@@ -113,7 +113,8 @@
                 LoadSchematizationType = Convert.ToByte(LoadSchematizationType.Quadratic),
                 VolumicWeightWater = 47.47,
                 FactorStormDurationOpenStructure = 48.48,
-                DrainCoefficientMean = 49.49
+                DrainCoefficientMean = 49.49,
+                DrainCoefficientStandardDeviation = 0.02
             };
             var collector = new ReadConversionCollector();
 
@@ -185,6 +186,7 @@
             Assert.AreEqual(entity.VolumicWeightWater, inputParameters.VolumicWeightWater.Value);
             Assert.AreEqual(entity.FactorStormDurationOpenStructure, inputParameters.FactorStormDurationOpenStructure.Value);
             Assert.AreEqual(entity.DrainCoefficientMean, inputParameters.DrainCoefficient.Mean.Value);
+            Assert.AreEqual(entity.DrainCoefficientStandardDeviation, inputParameters.DrainCoefficient.StandardDeviation.Value);
             Assert.IsFalse(calculation.HasOutput);
         }
 
@@ -239,7 +241,8 @@
                 AreaFlowAperturesStandardDeviation = null,
                 VolumicWeightWater = null,
                 FactorStormDurationOpenStructure = null,
-                DrainCoefficientMean = null
+                DrainCoefficientMean = null,
+                DrainCoefficientStandardDeviation = null
             };
             var collector = new ReadConversionCollector();
 
@@ -296,6 +299,7 @@
             Assert.IsNaN(inputParameters.VolumicWeightWater);
             Assert.IsNaN(inputParameters.FactorStormDurationOpenStructure);
             Assert.IsNaN(inputParameters.DrainCoefficient.Mean);
+            Assert.IsNaN(inputParameters.DrainCoefficient.StandardDeviation);
         }
 
         [Test]