Index: DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs
===================================================================
diff -u -r4619 -r4621
--- DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 4619)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamContext.cs	(.../DamContext.cs)	(revision 4621)
@@ -152,6 +152,11 @@
                 return true;
             }
 
+            if (source is Soil)
+            {
+                return true;
+            }
+
             var specification = source as DamProjectCalculationSpecification;
             if (specification != null)
             {
@@ -241,7 +246,6 @@
             StaticReflection.GetMemberName<Soil>(s => s.ShearStrengthModel),
             StaticReflection.GetMemberName<Soil>(s => s.Cohesion),
             StaticReflection.GetMemberName<Soil>(s => s.FrictionAngle),
-            StaticReflection.GetMemberName<Soil>(s => s.UsePop),
             StaticReflection.GetMemberName<Soil>(s => s.POP),
             StaticReflection.GetMemberName<Soil>(s => s.RatioCuPc),
             StaticReflection.GetMemberName<Soil>(s => s.StrengthIncreaseExponent)