diff --git a/app/Views/incomingSilicaSandDetails.php b/app/Views/incomingSilicaSandDetails.php
index 8a25ee16..e94081a0 100644
--- a/app/Views/incomingSilicaSandDetails.php
+++ b/app/Views/incomingSilicaSandDetails.php
@@ -376,7 +376,7 @@
 
                                             <!-- 'td:eq(9)' -->
                                                 <td class="celda_normal" >
-                                                    <?php echo $record['Qty']??'0'; ?>
+                                                    <?php echo $record['Qty'] ?? 0 ; ?>
                                                 </td>   
 
                                             <!-- 'td:eq(10)' -->
@@ -454,7 +454,7 @@
 
                                             <!-- 'td:eq(24)' -->
                                                 <td class="celda_normal"  contenteditable="true">
-                                                    <?php echo $record['afsActual']??' '; ?>
+                                                    <?php echo $record['afsActual'] ?? ' '; ?>
                                                 </td>
 
                                             <!-- 'td:eq(25)' -->
@@ -489,12 +489,12 @@
 
                                             <!-- 'td:eq(31)' -->
                                                 <td class="celda_normal">
-                                                    <?php echo $record['sieveLossQty'] ?? ''; ?>
+                                                    <?php echo $record['sieveLossQty'] ?? ' '; ?>
                                                 </td>
 
                                             <!-- 'td:eq(32)' -->
                                                 <td class="celda_normal">
-                                                    <?php echo $record['salableQty'] ?? ''; ?>
+                                                    <?php echo $record['salableQty'] ?? $record['Qty'] ; ?>
                                                 </td>
 
                                                 <!--  need to check the status and select values before hand -->
@@ -518,29 +518,29 @@
 
                                              <!-- 'td:eq(34)' -->
                                                 <td style="display: none;">
-                                                    <?php echo $record['MaterialCode'] ?? ''; ?>
+                                                    <?php echo $record['MaterialCode'] ?? ' '; ?>
                                                 </td>
  
  
                                               <!-- 'td:eq(35)' --> 
                                                 <td style="display: none;"> 
-                                                <?php echo $record['id'] ?? ''; ?> 
+                                                <?php echo $record['id'] ?? ' '; ?> 
                                                 </td> 
 
                                                 <!-- 'td:eq(36)' --> 
                                                 <td style="display: none;"> 
-                                                <?php echo $record['clayOrLossOfIgnition'] ?? ''; ?> 
+                                                <?php echo $record['clayOrLossOfIgnition'] ?? ' '; ?> 
                                                
                                                 </td> 
 
                                                 <!-- 'td:eq(37)' --> 
                                                 <td style="display: none;"> 
-                                                <?php echo $record['testedBy'] ?? ''; ?> 
+                                                <?php echo $record['testedBy'] ?? ' '; ?> 
                                                 </td> 
 
                                                 <!-- 'td:eq(38)' --> 
                                                 <td style="display: none;"> 
-                                                <?php echo $record['approvedBy'] ?? ''; ?> 
+                                                <?php echo $record['approvedBy'] ?? ' '; ?> 
                                                 </td> 
   
                                             </tr>
@@ -1258,7 +1258,7 @@
 </script>
 
 
-<!-- Calculate Row  -->
+<!-- Calculate Row  on oninput inside sand report modal -->
 <script>
 
     function calculateRow(value){
@@ -1267,8 +1267,8 @@
 
     if( value != "moistureValue" ){
         var tr = $(value).closest('tr');
-        var weighOfSand  = tr.find('td:eq(3)').text();
-        var factor       = tr.find('td:eq(4)').text();
+        var weighOfSand  = validateInput(tr.find('td:eq(3)').text());
+        var factor       = validateInput(tr.find('td:eq(4)').text());
         tr.find('td:eq(5)').text(parseFloat((weighOfSand * factor).toFixed(2)));
     }
 
@@ -1372,6 +1372,7 @@ $(document).ready(function() {
 </script>
 
 
+<!-- submitting calculated data of sand reports in ajax call from sand lab report modal -->
 <script>
     $('#labReportSubmitId').click(function(){
 
@@ -1431,7 +1432,7 @@ $(document).ready(function() {
     })
 </script>
 
-
+<!-- validation for empty string and non-integers -->
 <script>
         function validateInput(input) {