Index: src/Plugins/Wti/Wti.Data/PipingData.cs
===================================================================
diff -u -r325410362b50750d3c291d19c1526799c9b1c583 -r197fbe469c4b157c584994358432370a45110bff
--- src/Plugins/Wti/Wti.Data/PipingData.cs	(.../PipingData.cs)	(revision 325410362b50750d3c291d19c1526799c9b1c583)
+++ src/Plugins/Wti/Wti.Data/PipingData.cs	(.../PipingData.cs)	(revision 197fbe469c4b157c584994358432370a45110bff)
@@ -3,10 +3,16 @@
 
 namespace Wti.Data
 {
+    /// <summary>
+    /// This class holds the information which can be made visible in the graphical interface of the application.
+    /// </summary>
     public class PipingData : IObservable
     {
         private readonly IList<IObserver> observers = new List<IObserver>();
 
+        /// <summary>
+        /// Constructs a new instance of <see cref="PipingData"/> with default values set for some of the parameters.
+        /// </summary>
         public PipingData()
         {
             // Defaults as they have been defined in the DikesPiping Kernel's Technical Documentation of 07 Oct 15