diff --git a/AppData/ComLib.cs b/AppData/ComLib.cs
index 8550c92..6e8eb1d 100644
--- a/AppData/ComLib.cs
+++ b/AppData/ComLib.cs
@@ -1,4 +1,5 @@
-using Newtonsoft.Json;
+using MongoDB.Driver;
+using Newtonsoft.Json;
 using Newtonsoft.Json.Converters;
 using NKC_SDK;
 using SteamWare;
@@ -12,6 +13,148 @@ namespace AppData
   /// </summary>
   public class ComLib
   {
+    #region Gestione persistenza risposte via REST da NESTING
+
+    /// <summary>
+    /// Database corrente MongoDB
+    /// </summary>
+    IMongoDatabase database;
+    /// <summary>
+    /// Init classe ComLib
+    /// </summary>
+    public ComLib()
+    {
+      database = memLayer.ML.getMongoDatabase("NKC");
+    }
+    /// <summary>
+    /// Classe impiego sstatico ComLib...
+    /// </summary>
+    public static ComLib man = new ComLib();
+
+    /// <summary>
+    /// Salva una risposta ricevuta x STIMA
+    /// </summary>
+    /// <param name="nestAnsw">Stringa della risposta JSON ricevuta dal nesting</param>
+    /// <returns></returns>
+    public bool saveEstAnsw(nestReplyBatchInitial nestAnsw)
+    {
+      bool answ = false;
+      try
+      {
+        // definisco filtro
+        var filtBuilder = Builders<nestReplyBatchInitial>.Filter;
+        var filter = filtBuilder.Eq<int>("BatchID", nestAnsw.BatchID);
+        var collRawData = database.GetCollection<nestReplyBatchInitial>("EstimationArchive");
+        // elimino old
+        collRawData.DeleteMany(filter);
+        // aggiungo
+        collRawData.InsertOne(nestAnsw);
+
+        answ = true;
+      }
+      catch
+      { }
+      return answ;
+    }
+    /// <summary>
+    /// Salva una risposta ricevuta x NESTING
+    /// </summary>
+    /// <param name="nestAnsw">Stringa della risposta JSON ricevuta dal nesting</param>
+    /// <returns></returns>
+    public bool saveNestAnsw(nestReplyBatchFinal nestAnsw)
+    {
+      bool answ = false;
+      try
+      {
+        // definisco filtro
+        var filtBuilder = Builders<nestReplyBatchFinal>.Filter;
+        var filter = filtBuilder.Eq<int>("BatchID", nestAnsw.BatchID);
+        var collRawData = database.GetCollection<nestReplyBatchFinal>("NestingArchive");
+        // elimino old
+        collRawData.DeleteMany(filter);
+        // aggiungo
+        collRawData.InsertOne(nestAnsw);
+        answ = true;
+      }
+      catch
+      { }
+      return answ;
+    }
+    /// <summary>
+    /// Recupero risposta stima salvata
+    /// </summary>
+    /// <param name="BatchID"></param>
+    /// <returns></returns>
+    public nestReplyBatchInitial geEstAnsw(int BatchID)
+    {
+      nestReplyBatchInitial answ = null;
+      try
+      {
+        // definisco filtro
+        var filtBuilder = Builders<nestReplyBatchInitial>.Filter;
+        var filter = filtBuilder.Eq<int>("BatchID", BatchID);
+        var collRawData = database.GetCollection<nestReplyBatchInitial>("EstimationArchive");
+        // recupero
+        answ = collRawData.Find(filter).FirstOrDefault<nestReplyBatchInitial>();
+      }
+      catch
+      { }
+      return answ;
+    }
+    /// <summary>
+    /// Recupero risposta nesting salvata
+    /// </summary>
+    /// <param name="BatchID"></param>
+    /// <returns></returns>
+    public nestReplyBatchFinal getNestAnsw(int BatchID)
+    {
+      nestReplyBatchFinal answ = null;
+      try
+      {
+        // definisco filtro
+        var filtBuilder = Builders<nestReplyBatchFinal>.Filter;
+        var filter = filtBuilder.Eq<int>("BatchID", BatchID);
+        var collRawData = database.GetCollection<nestReplyBatchFinal>("NestingArchive");
+        // recupero
+        answ = collRawData.Find(filter).FirstOrDefault<nestReplyBatchFinal>();
+      }
+      catch
+      { }
+      return answ;
+    }
+
+    //public object getEstAnsw(int BatchId)
+    //{
+    //  List<nestReplyBatchFinal> answ = null;
+
+    //  var collNAA = database.GetCollection<nestReplyBatchFinal>("NestAnswArchive");
+    //  // oggetto filtraggio x nest answ
+    //  var builderNAA = Builders<nestReplyBatchFinal>.Filter;
+    //  var filtBatchId = builderNAA.Eq(u => u.BatchID, BatchId);
+
+    //  var datiCorrenti = collNAA.Find(filtBatchId);
+    //  foreach (var item in datiCorrenti)
+    //  {
+
+    //  }
+    //  return answ;
+    //}
+
+    /// <summary>
+    /// restitusice ultima chiamata REST registrata su REDIS
+    /// </summary>
+    /// <returns></returns>
+    public static string lastRestAnsw()
+    {
+      string answ = "";
+      // recupero ultima call
+      string redKey = $"{ComLib.redNestAnsw}:LAST_CALL";
+      answ = memLayer.ML.getRSV(redKey);
+      return answ;
+    }
+
+
+    #endregion
 
     /// <summary>
     /// Wrapper traduzione termini
diff --git a/NKC_SDK/Objects.cs b/NKC_SDK/Objects.cs
index 65891d7..dc14518 100644
--- a/NKC_SDK/Objects.cs
+++ b/NKC_SDK/Objects.cs
@@ -162,6 +162,31 @@ namespace NKC_SDK
     /// </summary>
     public double EstimatedWorktime { get; set; } = 0;
     /// <summary>
+    /// Superficie WORK (lavorata/tagliata) del foglio lavorato (= somma area dei pezzi disposti)
+    /// </summary>
+    public double SurfaceWork { get; set; } = 0;
+    /// <summary>
+    /// Superficie totale del foglio lavorato (= materiale)
+    /// </summary>
+    public double SurfaceTotal { get; set; } = 1;
+    /// <summary>
+    /// Resa (OEE) dell'impiego del materiale
+    /// </summary>
+    public double SurfaceOEE
+    {
+      get
+      {
+        double answ = 0;
+        try
+        {
+          answ = SurfaceWork / SurfaceTotal;
+        }
+        catch
+        { }
+        return answ;
+      }
+    }
+    /// <summary>
     /// Programma x printing
     /// </summary>
     public string PrintProgram { get; set; } = "";
diff --git a/NKC_WF/Controllers/BatchProcController.cs b/NKC_WF/Controllers/BatchProcController.cs
index d77d04d..c08bf1b 100644
--- a/NKC_WF/Controllers/BatchProcController.cs
+++ b/NKC_WF/Controllers/BatchProcController.cs
@@ -133,6 +133,10 @@ namespace NKC_WF.Controllers
               int bStatus = 0;
               // deserializzo come BatchreqIniziale (stima)
               nestReplyBatchInitial rispStima = JsonConvert.DeserializeObject<nestReplyBatchInitial>(content);
+
+              // 2020.01.16 salvo su mongoDb la risposta...
+              ComLib.man.saveEstAnsw(rispStima);
+
               // recupero info sul batch /KIT specifico x capire se sia di tipo "validation"
               bool isValidation = false;
               var tabOrd = DataLayer.man.taOL.getByBatch(rispStima.BatchID);
@@ -222,6 +226,10 @@ namespace NKC_WF.Controllers
             {
               // deserializzo come BatchreqFinale
               nestReplyBatchFinal rispNest = JsonConvert.DeserializeObject<nestReplyBatchFinal>(content);
+
+              // 2020.01.16 salvo su mongoDb la risposta...
+              ComLib.man.saveNestAnsw(rispNest);
+
               // calcolo status del batch...
               int bStatus = 2;
               switch (rispNest.ProcessStatus)
diff --git a/NKC_WF/Web.config b/NKC_WF/Web.config
index 2e173a8..47a909f 100644
--- a/NKC_WF/Web.config
+++ b/NKC_WF/Web.config
@@ -69,6 +69,8 @@
     <add key="RedisConn" value="nkcredis.steamware.net,abortConnect=false,ssl=false,password=nkc.password"/>
     <add key="RedisConnAdmin" value="nkcredis.steamware.net,abortConnect=false,ssl=false,password=nkc.password,allowAdmin=true"/>
     <add key="redisDb" value="0"/>
+    <!--MongoDB-->
+    <add key="mdbConnString" value="mongodb://W2019-MONGODB:27017"/>
     <!--Configurazioni DB per classi referenziate AppData e Steamware dll-->
     <add key="NKC_WFConnectionString" value="Data Source=SQL2016DEV;Initial Catalog=Sauder_NKC;Persist Security Info=True;User ID=sa;Password=keyhammer16;"/>
     <add key="DbConfConnectionString" value="Data Source=SQL2016DEV;Initial Catalog=Sauder_NKC;Persist Security Info=True;User ID=sa;Password=keyhammer16;"/>
diff --git a/NKC_WF/WebUserControls/cmp_devUtils.ascx b/NKC_WF/WebUserControls/cmp_devUtils.ascx
index 8ce0259..a68b48c 100644
--- a/NKC_WF/WebUserControls/cmp_devUtils.ascx
+++ b/NKC_WF/WebUserControls/cmp_devUtils.ascx
@@ -1,9 +1,14 @@
 <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="cmp_devUtils.ascx.cs" Inherits="NKC_WF.WebUserControls.cmp_devUtils" %>
 <div class="shortcuts">
   <div class="row">
-    <div class="col-12">
+    <div class="col">
       <asp:LinkButton runat="server" ID="lbtResetStackBuild" class="shortcut" OnClick="lbtResetStackBuild_Click" OnClientClick='return confirm("Sicuro di voler resettare tutti i dati di preparazione Stacks?")'> <i class="fa fa-database shortcut-icon"></i><span class="shortcut-label"><b>Reset</b><br /> Stack building</span> </asp:LinkButton>
-      <asp:LinkButton runat="server" ID="lbtResetNest" class="shortcut" OnClientClick='return confirm("Sicuro di voler resettare tutti i dati di Nesting? I Batch torneranno come appena importati e PRIMA di ogni chiamata al NESTING...")' OnClick="checkFixOds"> <i class="fa fa-file-image-o shortcut-icon"></i><span class="shortcut-label"><b>Reset</b><br /> Nesting Calls</span> </asp:LinkButton>
-      </div>
     </div>
-  </div>
\ No newline at end of file
+    <div class="col">
+      <asp:LinkButton runat="server" ID="lbtResetNest" class="shortcut" OnClientClick='return confirm("Sicuro di voler resettare tutti i dati di Nesting? I Batch torneranno come appena importati e PRIMA di ogni chiamata al NESTING...")' OnClick="lbtResetNest_Click"> <i class="fa fa-file-image-o shortcut-icon"></i><span class="shortcut-label"><b>Reset</b><br /> Nesting Calls</span> </asp:LinkButton>
+    </div>
+    <div class="col">
+      <asp:LinkButton runat="server" ID="lbtSaveLastAnsw" class="shortcut" OnClientClick='return confirm("Sicuro di voler salvare ultima risposta NESTING?")' OnClick="lbtSaveLastAnsw_Click" > <i class="fa fa-file-image-o shortcut-icon"></i><span class="shortcut-label"><b>SAVE</b><br /> LAST Call</span> </asp:LinkButton>
+    </div>
+  </div>
+</div>
diff --git a/NKC_WF/WebUserControls/cmp_devUtils.ascx.cs b/NKC_WF/WebUserControls/cmp_devUtils.ascx.cs
index 11c63b7..a5f0309 100644
--- a/NKC_WF/WebUserControls/cmp_devUtils.ascx.cs
+++ b/NKC_WF/WebUserControls/cmp_devUtils.ascx.cs
@@ -1,4 +1,6 @@
 using AppData;
+using Newtonsoft.Json;
+using NKC_SDK;
 using System;
 
 namespace NKC_WF.WebUserControls
@@ -19,5 +21,35 @@ namespace NKC_WF.WebUserControls
     {
       DataLayer.man.taBL.resetNesting(-9999);
     }
+
+    protected void lbtSaveLastAnsw_Click(object sender, EventArgs e)
+    {
+      string content = ComLib.lastRestAnsw();
+
+      // deserializzo.
+      baseNestAnsw batchProcAnsw = JsonConvert.DeserializeObject<baseNestAnsw>(content);
+
+      // se non nullo...
+      if (batchProcAnsw != null)
+      {
+        if (batchProcAnsw.OrderType == oType.BatchRequest)
+        {
+          if (batchProcAnsw.ProcType == 1)
+          {
+            // deserializzo come BatchreqIniziale (stima)
+            nestReplyBatchInitial rispStima = JsonConvert.DeserializeObject<nestReplyBatchInitial>(content);
+            // 2020.01.16 salvo su mongoDb la risposta...
+            ComLib.man.saveEstAnsw(rispStima);
+          }
+          else
+          {
+            // deserializzo come BatchreqFinale
+            nestReplyBatchFinal rispNest = JsonConvert.DeserializeObject<nestReplyBatchFinal>(content);
+            // 2020.01.16 salvo su mongoDb la risposta...
+            ComLib.man.saveNestAnsw(rispNest);
+          }
+        }
+      }
+    }
   }
 }
\ No newline at end of file
diff --git a/NKC_WF/WebUserControls/cmp_devUtils.ascx.designer.cs b/NKC_WF/WebUserControls/cmp_devUtils.ascx.designer.cs
index e1f2490..9e4cc58 100644
--- a/NKC_WF/WebUserControls/cmp_devUtils.ascx.designer.cs
+++ b/NKC_WF/WebUserControls/cmp_devUtils.ascx.designer.cs
@@ -31,5 +31,14 @@ namespace NKC_WF.WebUserControls
     /// Per la modifica, spostare la dichiarazione di campo dal file di progettazione al file code-behind.
     /// </remarks>
     protected global::System.Web.UI.WebControls.LinkButton lbtResetNest;
+
+    /// <summary>
+    /// Controllo lbtSaveLastAnsw.
+    /// </summary>
+    /// <remarks>
+    /// Campo generato automaticamente.
+    /// Per la modifica, spostare la dichiarazione di campo dal file di progettazione al file code-behind.
+    /// </remarks>
+    protected global::System.Web.UI.WebControls.LinkButton lbtSaveLastAnsw;
   }
 }