Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Translations.xml
===================================================================
diff -u -r6669 -r6726
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Translations.xml	(.../Translations.xml)	(revision 6669)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/Translations.xml	(.../Translations.xml)	(revision 6726)
@@ -214,6 +214,7 @@
     <Translation ID="ShearStrength" en-US="Shear Strength" nl-NL="Schuifsterkte"/>
     <Translation ID="CPhi" en-US="CPhi" nl-NL="C-Phi"/>
     <Translation ID="SearchMethod" en-US="Search method (UV)" nl-NL="Zoek methode (UV)"/>
+    <Translation ID="IsRunUpliftVanOnlyWhenUplift" en-US="Perform Uplift-Van only if uplift occurs (UV)" nl-NL="Voer Uplift-Van alleen uit indien opdrijven optreedt (UV)"/>
     <Translation ID="UpliftVanGridSizeDetermination" en-US="Determination grid (UV)" nl-NL="Bepaling grid (UV)"/>
     <Translation ID="UpliftVanLeftGridVerticalPointCount" en-US="Number of vertical points grid left (UV)"
                  nl-NL="Aantal verticale punten grid links (UV)"/>
Index: DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.cs
===================================================================
diff -u -r6436 -r6726
--- DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.cs	(.../DamProjectCalculationOptionsPropertyControl.cs)	(revision 6436)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.cs	(.../DamProjectCalculationOptionsPropertyControl.cs)	(revision 6726)
@@ -37,6 +37,8 @@
             InitializeComponent();
 
             BindSupport.BindTextAndValue<MStabParameters>(SearchMethodPanelControl, SearchMethodLabel, SearchMethodCombobox, p => p.SearchMethod);
+            BindSupport.BindTextAndValue<MStabParameters>(SearchMethodPanelControl, IsRunUpliftVanOnlyWhenUpliftLabel, IsRunUpliftVanOnlyWhenUpliftCheckBox, p => p.IsRunUpliftVanOnlyWhenUplift);
+
             BindSupport.BindTextAndValue<SlipCircleDefinition>(CircleDefinitionPanelControl, UpliftVanGridCreationLabel, UpliftVanGridCreationComboBox, p => p.UpliftVanGridSizeDetermination);
 
             BindSupport.BindTextAndValue<SlipCircleDefinition>(CircleDefinitionPanelControl, BishopSearchAreaCreationLabel, BishopSearchAreaCreationComboBox, p => p.BishopSearchAreaDetermination);
Index: DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/MStabParameters.cs
===================================================================
diff -u -r6436 -r6726
--- DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/MStabParameters.cs	(.../MStabParameters.cs)	(revision 6436)
+++ DamClients/DamUI/trunk/src/DamClientsLibrary/Deltares.Dam.Data/MStabParameters.cs	(.../MStabParameters.cs)	(revision 6726)
@@ -526,13 +526,17 @@
     {
         Model = StabilityModelType.UpliftVan;
         SearchMethod = StabilitySearchMethod.BeeSwarm;
+        IsRunUpliftVanOnlyWhenUplift = true;
         gridPosition = StabilityGridPosition.Right;
         SlipCircleDefinition = new SlipCircleDefinition();
     }
 
     [Label("Model")] public StabilityModelType Model { get; set; }
 
     public StabilitySearchMethod SearchMethod { get; set; }
+
+    public bool IsRunUpliftVanOnlyWhenUplift { get; set; }
+    
     public string ProjectFileName { get; set; }
     [Validate] public SlipCircleDefinition SlipCircleDefinition { get; set; }
 
@@ -554,6 +558,7 @@
     {
         Model = mstabParameters.Model;
         SearchMethod = mstabParameters.SearchMethod;
+        IsRunUpliftVanOnlyWhenUplift = mstabParameters.IsRunUpliftVanOnlyWhenUplift;
         GridPosition = mstabParameters.GridPosition;
         ProjectFileName = mstabParameters.ProjectFileName;
 
@@ -587,7 +592,9 @@
     {
         switch (property)
         {
-            case "SearchMethod": return Location.DamProjectType == DamProjectType.Design;
+            case "SearchMethod": 
+            case "IsRunUpliftVanOnlyWhenUplift":
+                return Location.DamProjectType == DamProjectType.Design;
             case "GridPosition": return false; // position depends on failuremechanisme type (inside or outside)
             case "ZonesType": return false; // Is set per location!
             default: return true;
@@ -600,6 +607,7 @@
         {
             case "Model": return true;
             case "SearchMethod":
+            case "IsRunUpliftVanOnlyWhenUplift":
                 return
                     (SlipCircleDefinition.Specification.FailureMechanismSystemType == FailureMechanismSystemType.StabilityInside ||
                      SlipCircleDefinition.Specification.FailureMechanismSystemType == FailureMechanismSystemType.StabilityOutside) &&
Index: DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.Designer.cs
===================================================================
diff -u -r6439 -r6726
--- DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.Designer.cs	(.../DamProjectCalculationOptionsPropertyControl.Designer.cs)	(revision 6439)
+++ DamClients/DamUI/trunk/src/Dam/Forms/DamProjectCalculationOptionsPropertyControl.Designer.cs	(.../DamProjectCalculationOptionsPropertyControl.Designer.cs)	(revision 6726)
@@ -102,6 +102,8 @@
             this.SearchMethodPanelControl = new DevExpress.XtraEditors.PanelControl();
             this.SearchMethodLabel = new DevExpress.XtraEditors.LabelControl();
             this.SearchMethodCombobox = new DevExpress.XtraEditors.ComboBoxEdit();
+            this.IsRunUpliftVanOnlyWhenUpliftLabel = new DevExpress.XtraEditors.LabelControl();
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox = new DevExpress.XtraEditors.CheckEdit();
             ((System.ComponentModel.ISupportInitialize)(this.StabilityGroupControl)).BeginInit();
             this.StabilityGroupControl.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.CircleDefinitionPanelControl)).BeginInit();
@@ -126,6 +128,7 @@
             ((System.ComponentModel.ISupportInitialize)(this.SearchMethodPanelControl)).BeginInit();
             this.SearchMethodPanelControl.SuspendLayout();
             ((System.ComponentModel.ISupportInitialize)(this.SearchMethodCombobox.Properties)).BeginInit();
+            ((System.ComponentModel.ISupportInitialize) (this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Properties)).BeginInit();
             this.SuspendLayout();
             // 
             // StabilityGroupControl
@@ -599,6 +602,8 @@
             this.SearchMethodPanelControl.BorderStyle = DevExpress.XtraEditors.Controls.BorderStyles.NoBorder;
             this.SearchMethodPanelControl.Controls.Add(this.SearchMethodLabel);
             this.SearchMethodPanelControl.Controls.Add(this.SearchMethodCombobox);
+            this.SearchMethodPanelControl.Controls.Add(this.IsRunUpliftVanOnlyWhenUpliftLabel);
+            this.SearchMethodPanelControl.Controls.Add(this.IsRunUpliftVanOnlyWhenUpliftCheckBox);
             this.SearchMethodPanelControl.Dock = System.Windows.Forms.DockStyle.Top;
             this.SearchMethodPanelControl.Location = new System.Drawing.Point(2, 24);
             this.SearchMethodPanelControl.Name = "SearchMethodPanelControl";
@@ -625,6 +630,25 @@
             this.SearchMethodCombobox.Size = new System.Drawing.Size(85, 22);
             this.SearchMethodCombobox.TabIndex = 2;
             // 
+            // IsRunUpliftVanOnlyWhenUpliftLabel
+            // 
+            this.IsRunUpliftVanOnlyWhenUpliftLabel.Location = new System.Drawing.Point(6, 42);
+            this.IsRunUpliftVanOnlyWhenUpliftLabel.Margin = new System.Windows.Forms.Padding(4);
+            this.IsRunUpliftVanOnlyWhenUpliftLabel.Name = "IsRunUpliftVanOnlyWhenUpliftLabel";
+            this.IsRunUpliftVanOnlyWhenUpliftLabel.Size = new System.Drawing.Size(146, 13);
+            this.IsRunUpliftVanOnlyWhenUpliftLabel.TabIndex = 3;
+            this.IsRunUpliftVanOnlyWhenUpliftLabel.Text = "IsRunUpliftVanOnlyWhenUplift";
+            // 
+            // IsRunUpliftVanOnlyWhenUpliftCheckBox
+            // 
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Anchor = ((System.Windows.Forms.AnchorStyles) (System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right));
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Location = new System.Drawing.Point(233, 39);
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Margin = new System.Windows.Forms.Padding(4);
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Name = "IsRunUpliftVanOnlyWhenUpliftCheckBox";
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Properties.Caption = "";
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Size = new System.Drawing.Size(74, 20);
+            this.IsRunUpliftVanOnlyWhenUpliftCheckBox.TabIndex = 4;
+            // 
             // DamProjectCalculationOptionsPropertyControl
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 16F);
@@ -658,6 +682,7 @@
             this.SearchMethodPanelControl.ResumeLayout(false);
             this.SearchMethodPanelControl.PerformLayout();
             ((System.ComponentModel.ISupportInitialize)(this.SearchMethodCombobox.Properties)).EndInit();
+            ((System.ComponentModel.ISupportInitialize)(this.IsRunUpliftVanOnlyWhenUpliftCheckBox.Properties)).EndInit();
             this.ResumeLayout(false);
 
         }
@@ -668,6 +693,8 @@
         private DevExpress.XtraEditors.PanelControl SearchMethodPanelControl;
         private DevExpress.XtraEditors.LabelControl SearchMethodLabel;
         private DevExpress.XtraEditors.ComboBoxEdit SearchMethodCombobox;
+        private DevExpress.XtraEditors.LabelControl IsRunUpliftVanOnlyWhenUpliftLabel;
+        private DevExpress.XtraEditors.CheckEdit IsRunUpliftVanOnlyWhenUpliftCheckBox;
         private DevExpress.XtraEditors.PanelControl CircleDefinitionPanelControl;
         private DevExpress.XtraEditors.SpinEdit GridHorizontalPointDistanceBishopEdit;
         private DevExpress.XtraEditors.LabelControl GridHorizontalPointDistanceBishopLabel;