Index: trunk/src/Dam/Data/RWScenarios/DikeMaterialRWEvaluator.cs
===================================================================
diff -u -r7 -r111
--- trunk/src/Dam/Data/RWScenarios/DikeMaterialRWEvaluator.cs	(.../DikeMaterialRWEvaluator.cs)	(revision 7)
+++ trunk/src/Dam/Data/RWScenarios/DikeMaterialRWEvaluator.cs	(.../DikeMaterialRWEvaluator.cs)	(revision 111)
@@ -8,6 +8,8 @@
 // <summary>Evaluate what type of dike material</summary>
 //-----------------------------------------------------------------------
 
+using Deltares.Geotechnics.Soils;
+
 namespace Deltares.Dam.Data
 {
     using System;