diff --git a/AppData/ComLib.cs b/AppData/ComLib.cs
index 7243526..cc465a3 100644
--- a/AppData/ComLib.cs
+++ b/AppData/ComLib.cs
@@ -1061,7 +1061,7 @@ namespace AppData
       // !!!FIXME!!!
     }
     /// <summary>
-    /// Esegue richieste lettura da PROD
+    /// Esegue richieste scrittura da PROD
     /// </summary>
     public static void procProdWriteReq()
     {
@@ -1518,6 +1518,79 @@ namespace AppData
       }
       return answ;
     }
+    /// <summary>
+    /// Calcola area REDIS per BUNK in fase di scarico
+    /// </summary>
+    /// <param name="BunkID"></param>
+    /// <returns></returns>
+    public static string machineUnloadBunkArea(int BunkID)
+    {
+      // se 0 --> tutto l'albero, sennò solo area corrente...
+      string answ = "";
+      if (BunkID > 0)
+      {
+        answ = memLayer.ML.redHash($"MachineUnload:Bunk:{BunkID}");
+      }
+      else
+      {
+        answ = memLayer.ML.redHash($"MachineUnload:Bunk");
+      }
+      return answ;
+    }
+
+
+    /// <summary>
+    /// Recupera da REDIS info indice revisione x BUNK (cambio foglio)
+    /// </summary>
+    /// <param name="BunkID"></param>
+    /// <returns></returns>
+    public static int getSheetRevByBunk(int BunkID)
+    {
+      int answ = 0;
+      if (BunkID > 0)
+      {
+        // recupero da REDIS!
+        string redKeyExp = memLayer.ML.redHash($"DataExp");
+        string redKeyRev = $"{ComLib.machineUnloadBunkArea(BunkID)}:Rev";
+        // controllo expiry globale... se manca SVUOTO area
+        string rawData = memLayer.ML.getRSV(redKeyExp);
+        if (string.IsNullOrEmpty(rawData))
+        {
+          // svuoto e scrivo...
+          memLayer.ML.redFlushKey(memLayer.ML.redHash($"MachineUnload"));
+          memLayer.ML.redFlushKey(memLayer.ML.redHash($"TabSheets"));
+          memLayer.ML.setRSV(redKeyExp, $"Reload Data {DateTime.Now}", 3600);
+        }
+        answ = memLayer.ML.getRCnt(redKeyRev);
+      }
+      return answ;
+    }
+
+
+    /// <summary>
+    /// Aggiorna revisione indice sheet x BUNK (cambio foglio)
+    /// </summary>
+    /// <param name="BunkID"></param>
+    /// <returns></returns>
+    public static long advaceSheetRevByBunk(int BunkID)
+    {
+      long answ = 0;
+      if (BunkID > 0)
+      {
+        // recupero da REDIS!
+        string redKeyExp = memLayer.ML.redHash($"DataExp");
+        string redKeyRev = $"{ComLib.machineUnloadBunkArea(BunkID)}:Rev";
+        // incremento...       
+        answ = memLayer.ML.setRCntI(redKeyRev);
+        // se > 999 --> resetto
+        if (answ > 999)
+        {
+          memLayer.ML.resetRCnt(redKeyRev);
+        }
+      }
+      return answ;
+    }
+
 
     /// <summary>
     /// Svuota elenco pezzi nella postazione di unload
diff --git a/NKC_WF/Controllers/BunkController.cs b/NKC_WF/Controllers/BunkController.cs
index 922a853..009a1c4 100644
--- a/NKC_WF/Controllers/BunkController.cs
+++ b/NKC_WF/Controllers/BunkController.cs
@@ -140,6 +140,8 @@ namespace NKC_WF.Controllers
               DataLayer.man.taIL.updateSheetStatus(item.SheetId, 1, "PROD");
             }
           }
+          // segnalo avanzamento su redis x pagina unload
+          ComLib.advaceSheetRevByBunk(currBunk.BunkId);
         }
         answ = "OK";
       }
diff --git a/NKC_WF/Controllers/getMUSheetRevController.cs b/NKC_WF/Controllers/getMUSheetRevController.cs
new file mode 100644
index 0000000..cc1c8de
--- /dev/null
+++ b/NKC_WF/Controllers/getMUSheetRevController.cs
@@ -0,0 +1,24 @@
+using AppData;
+using SteamWare;
+using System;
+using System.Web.Http;
+
+namespace NKC_WF.Controllers
+{
+  public class getMUSheetRevController : ApiController
+  {
+    // GET api/getMUSheetRevController
+    public int Get()
+    {
+      int answ = ComLib.getSheetRevByBunk(0);
+      return answ;
+    }
+    // GET api/getMUSheetRevController/5
+    public int Get(int id)
+    {
+      int answ = ComLib.getSheetRevByBunk(id);
+      return answ;
+    }
+
+  }
+}
\ No newline at end of file
diff --git a/NKC_WF/NKC_WF.csproj b/NKC_WF/NKC_WF.csproj
index 4ff7c11..fc90720 100644
--- a/NKC_WF/NKC_WF.csproj
+++ b/NKC_WF/NKC_WF.csproj
@@ -513,6 +513,7 @@
       <Link>VersGen.cs</Link>
     </Compile>
     <Compile Include="App_Start\BundleConfig.cs" />
+    <Compile Include="Controllers\getMUSheetRevController.cs" />
     <Compile Include="Controllers\PrintQueueController.cs" />
     <Compile Include="Controllers\PrintQueueConfController.cs" />
     <Compile Include="Controllers\ReportController.cs" />
diff --git a/NKC_WF/WebUserControls/cmp_MU_svgViewer.ascx b/NKC_WF/WebUserControls/cmp_MU_svgViewer.ascx
index 2b5c11f..10f00af 100644
--- a/NKC_WF/WebUserControls/cmp_MU_svgViewer.ascx
+++ b/NKC_WF/WebUserControls/cmp_MU_svgViewer.ascx
@@ -21,7 +21,6 @@
       if (data != lastVal) {
         $('#uplTavola').load(location.href + ' #dynCss');
         document.getElementById('<%=hfCurrRev.ClientID%>').value = data;
-        //lastVal = document.getElementById('<%=hfCurrRev.ClientID%>').value;
       }
     });
   }
diff --git a/NKC_WF/WebUserControls/cmp_stackLoading.ascx.cs b/NKC_WF/WebUserControls/cmp_stackLoading.ascx.cs
index 0c8db29..245275f 100644
--- a/NKC_WF/WebUserControls/cmp_stackLoading.ascx.cs
+++ b/NKC_WF/WebUserControls/cmp_stackLoading.ascx.cs
@@ -209,6 +209,8 @@ namespace NKC_WF.WebUserControls
         }
         doUpdate();
         cmp_stackNextloading.doUpdate();
+        // segnalo avanzamento su redis x pagina unload
+        ComLib.advaceSheetRevByBunk(BatchIdCurr);
         raiseEvent();
       }
     }