Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/DesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/DesignVariable.cs	(.../DesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/DesignVariable.cs	(.../DesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -25,16 +25,21 @@
 
 namespace Ringtoets.Common.Data.Probabilistics
 {
-    public abstract class DesignVariable<TDistribution> where TDistribution : IDistribution
+    /// <summary>
+    /// Abstract base class for defining a design variable for a distribution.
+    /// </summary>
+    /// <typeparam name="T">The type of the underlying distribution from which a design value is 
+    /// derived.</typeparam>
+    public abstract class DesignVariable<T> where T : IDistribution
     {
-        private TDistribution distribution;
+        private T distribution;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="DesignVariable{T}"/> class.
         /// </summary>
-        /// <exception cref="ArgumentNullException">Thrown when <see cref="Distribution"/> is 
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
         /// <c>null</c>.</exception>
-        protected DesignVariable(TDistribution distribution)
+        protected DesignVariable(T distribution)
         {
             Distribution = distribution;
         }
@@ -44,7 +49,7 @@
         /// </summary>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="value"/> is 
         /// <c>null</c>.</exception>
-        public TDistribution Distribution
+        public T Distribution
         {
             get
             {
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/DeterministicDesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/DeterministicDesignVariable.cs	(.../DeterministicDesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/DeterministicDesignVariable.cs	(.../DeterministicDesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -19,13 +19,15 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Core.Common.Base.Data;
 
 namespace Ringtoets.Common.Data.Probabilistics
 {
     /// <summary>
-    /// This class defines a design variable for a distribution.
+    /// This class defines a design variable for a deterministic distribution.
     /// </summary>
+    /// <typeparam name="T">The type of the distribution.</typeparam>
     public class DeterministicDesignVariable<T> : DesignVariable<T> where T : IDistribution
     {
         private readonly double deterministicValue;
@@ -35,6 +37,8 @@
         /// </summary>
         /// <param name="distribution">A distribution.</param>
         /// <param name="deterministicValue">The value to be returned for the distribution.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
+        /// <c>null</c>.</exception>
         public DeterministicDesignVariable(T distribution, double deterministicValue = 0.0) : base(distribution)
         {
             this.deterministicValue = deterministicValue;
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/LogNormalDistributionDesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/LogNormalDistributionDesignVariable.cs	(.../LogNormalDistributionDesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/LogNormalDistributionDesignVariable.cs	(.../LogNormalDistributionDesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Core.Common.Base.Data;
 
 namespace Ringtoets.Common.Data.Probabilistics
@@ -32,6 +33,8 @@
         /// Initializes a new instance of the <see cref="LogNormalDistributionDesignVariable"/> class.
         /// </summary>
         /// <param name="distribution">A log-normal distribution.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
+        /// <c>null</c>.</exception>
         public LogNormalDistributionDesignVariable(LogNormalDistribution distribution) : base(distribution) {}
 
         public override RoundedDouble GetDesignValue()
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/NormalDistributionDesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/NormalDistributionDesignVariable.cs	(.../NormalDistributionDesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/NormalDistributionDesignVariable.cs	(.../NormalDistributionDesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using System;
 using Core.Common.Base.Data;
 
 namespace Ringtoets.Common.Data.Probabilistics
@@ -32,6 +33,8 @@
         /// Initializes a new instance of the <see cref="NormalDistributionDesignVariable"/> class.
         /// </summary>
         /// <param name="distribution">A normal distribution.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
+        /// <c>null</c>.</exception>
         public NormalDistributionDesignVariable(NormalDistribution distribution) : base(distribution) {}
 
         public override RoundedDouble GetDesignValue()
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/PercentileBasedDesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/PercentileBasedDesignVariable.cs	(.../PercentileBasedDesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/PercentileBasedDesignVariable.cs	(.../PercentileBasedDesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -31,26 +31,26 @@
     /// This class is a representation of a variable derived from a probabilistic distribution,
     /// based on a percentile.
     /// </summary>
-    /// <typeparam name="TDistribution">The type of the underlying distribution from which a value is 
+    /// <typeparam name="T">The type of the underlying distribution from which a value is 
     /// derived.</typeparam>
-    public abstract class PercentileBasedDesignVariable<TDistribution> : DesignVariable<TDistribution> where TDistribution : IDistribution
+    public abstract class PercentileBasedDesignVariable<T> : DesignVariable<T> where T : IDistribution
     {
         private static readonly Range<double> percentileValidityRange = new Range<double>(0, 1);
         private double percentile;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="PercentileBasedDesignVariable{TDistributionType}"/> class with 
+        /// Initializes a new instance of the <see cref="PercentileBasedDesignVariable{T}"/> class with 
         /// <see cref="Percentile"/> equal to 0.5.
         /// </summary>
-        /// <exception cref="ArgumentNullException">Thrown when <see cref="DesignVariable{TDistributionType}.Distribution"/> is 
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
         /// <c>null</c>.</exception>
-        protected PercentileBasedDesignVariable(TDistribution distribution) : base(distribution)
+        protected PercentileBasedDesignVariable(T distribution) : base(distribution)
         {
             percentile = 0.5;
         }
 
         /// <summary>
-        /// Gets or sets the percentile used to derive a deterministic value based on <see cref="DesignVariable{TDistributionType}.Distribution"/>.
+        /// Gets or sets the percentile used to derive a design value based on <see cref="DesignVariable{T}.Distribution"/>.
         /// </summary>
         /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="value"/> 
         /// is not in range [0,1].</exception>
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/VariationCoefficientDesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/VariationCoefficientDesignVariable.cs	(.../VariationCoefficientDesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/VariationCoefficientDesignVariable.cs	(.../VariationCoefficientDesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -25,16 +25,21 @@
 
 namespace Ringtoets.Common.Data.Probabilistics
 {
-    public abstract class VariationCoefficientDesignVariable<TDistribution> where TDistribution : IVariationCoefficientDistribution
+    /// <summary>
+    /// Abstract base class for defining a design variable for a variation coefficient based distribution.
+    /// </summary>
+    /// <typeparam name="T">The type of the underlying distribution from which a design value is 
+    /// derived.</typeparam>
+    public abstract class VariationCoefficientDesignVariable<T> where T : IVariationCoefficientDistribution
     {
-        private TDistribution distribution;
+        private T distribution;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="VariationCoefficientDesignVariable{T}"/> class.
         /// </summary>
-        /// <exception cref="ArgumentNullException">Thrown when <see cref="Distribution"/> is 
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
         /// <c>null</c>.</exception>
-        protected VariationCoefficientDesignVariable(TDistribution distribution)
+        protected VariationCoefficientDesignVariable(T distribution)
         {
             Distribution = distribution;
         }
@@ -44,7 +49,7 @@
         /// </summary>
         /// <exception cref="ArgumentNullException">Thrown when <paramref name="value"/> is 
         /// <c>null</c>.</exception>
-        public TDistribution Distribution
+        public T Distribution
         {
             get
             {
Index: Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/VariationCoefficientLogNormalDistributionDesignVariable.cs
===================================================================
diff -u -rb3b6c13cf736c134476b3db34281332d01ca86b1 -re38c47f89bf1adc85d32ab38341b7d953b218ad2
--- Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/VariationCoefficientLogNormalDistributionDesignVariable.cs	(.../VariationCoefficientLogNormalDistributionDesignVariable.cs)	(revision b3b6c13cf736c134476b3db34281332d01ca86b1)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/Probabilistics/VariationCoefficientLogNormalDistributionDesignVariable.cs	(.../VariationCoefficientLogNormalDistributionDesignVariable.cs)	(revision e38c47f89bf1adc85d32ab38341b7d953b218ad2)
@@ -37,16 +37,19 @@
         private double percentile;
 
         /// <summary>
-        /// Initializes a new instance of the <see cref="LogNormalDistributionDesignVariable"/> class.
+        /// Initializes a new instance of the <see cref="LogNormalDistributionDesignVariable"/> class
+        /// with <see cref="Percentile"/> equal to 0.5.
         /// </summary>
         /// <param name="distribution">A log-normal distribution.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="distribution"/> is 
+        /// <c>null</c>.</exception>
         public VariationCoefficientLogNormalDistributionDesignVariable(VariationCoefficientLogNormalDistribution distribution) : base(distribution)
         {
             percentile = 0.5;
         }
 
         /// <summary>
-        /// Gets or sets the percentile used to derive a deterministic value based on <see cref="DesignVariable{TDistributionType}.Distribution"/>.
+        /// Gets or sets the percentile used to derive a design value based on <see cref="DesignVariable{TDistributionType}.Distribution"/>.
         /// </summary>
         /// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="value"/> 
         /// is not in range [0,1].</exception>