Index: Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismResultView.cs
===================================================================
diff -u -r24d252c7e54d324c9d2768b9ec93e04c6ea0fc2c -r4e98433abe1e020a0579d7c6ed3a24a3e57ac677
--- Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismResultView.cs	(.../StabilityPointStructuresFailureMechanismResultView.cs)	(revision 24d252c7e54d324c9d2768b9ec93e04c6ea0fc2c)
+++ Ringtoets/StabilityPointStructures/src/Ringtoets.StabilityPointStructures.Forms/Views/StabilityPointStructuresFailureMechanismResultView.cs	(.../StabilityPointStructuresFailureMechanismResultView.cs)	(revision 4e98433abe1e020a0579d7c6ed3a24a3e57ac677)
@@ -151,6 +151,10 @@
             FailureMechanismSectionResultViewColumnBuilder.AddUseManualAssemblyCategoryGroupColumn(
                 DataGridViewControl,
                 nameof(StabilityPointStructuresFailureMechanismSectionResultRow.UseManualAssemblyProbability));
+
+            FailureMechanismSectionResultViewColumnBuilder.AddManualAssemblyProbabilityColumn(
+                DataGridViewControl,
+                nameof(StabilityPointStructuresFailureMechanismSectionResultRow.ManualAssemblyProbability));
         }
     }
 }
\ No newline at end of file
Index: Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismResultViewTest.cs
===================================================================
diff -u -r24d252c7e54d324c9d2768b9ec93e04c6ea0fc2c -r4e98433abe1e020a0579d7c6ed3a24a3e57ac677
--- Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismResultViewTest.cs	(.../StabilityPointStructuresFailureMechanismResultViewTest.cs)	(revision 24d252c7e54d324c9d2768b9ec93e04c6ea0fc2c)
+++ Ringtoets/StabilityPointStructures/test/Ringtoets.StabilityPointStructures.Forms.Test/Views/StabilityPointStructuresFailureMechanismResultViewTest.cs	(.../StabilityPointStructuresFailureMechanismResultViewTest.cs)	(revision 4e98433abe1e020a0579d7c6ed3a24a3e57ac677)
@@ -50,7 +50,8 @@
         private const int combinedAssemblyCategoryGroupIndex = 9;
         private const int combinedAssemblyProbabilityIndex = 10;
         private const int useManualAssemblyProbabilityIndex = 11;
-        private const int columnCount = 12;
+        private const int manualAssemblyProbabilityIndex = 12;
+        private const int columnCount = 13;
 
         private Form testForm;
 
@@ -128,6 +129,7 @@
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[combinedAssemblyCategoryGroupIndex]);
                 Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[combinedAssemblyProbabilityIndex]);
                 Assert.IsInstanceOf<DataGridViewCheckBoxColumn>(dataGridView.Columns[useManualAssemblyProbabilityIndex]);
+                Assert.IsInstanceOf<DataGridViewTextBoxColumn>(dataGridView.Columns[manualAssemblyProbabilityIndex]);
 
                 Assert.AreEqual("Vak", dataGridView.Columns[nameColumnIndex].HeaderText);
                 Assert.AreEqual("Eenvoudige toets", dataGridView.Columns[simpleAssessmentResultIndex].HeaderText);
@@ -141,6 +143,7 @@
                 Assert.AreEqual("Assemblageresultaat\r\ngecombineerd", dataGridView.Columns[combinedAssemblyCategoryGroupIndex].HeaderText);
                 Assert.AreEqual("Assemblageresultaat\r\ngecombineerde\r\nfaalkansschatting", dataGridView.Columns[combinedAssemblyProbabilityIndex].HeaderText);
                 Assert.AreEqual("Overschrijf\r\nassemblageresultaat", dataGridView.Columns[useManualAssemblyProbabilityIndex].HeaderText);
+                Assert.AreEqual("Assemblageresultaat\r\nhandmatig", dataGridView.Columns[manualAssemblyProbabilityIndex].HeaderText);
 
                 Assert.IsTrue(dataGridView.Columns[nameColumnIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[simpleAssessmentResultIndex].ReadOnly);
@@ -154,6 +157,7 @@
                 Assert.IsTrue(dataGridView.Columns[combinedAssemblyCategoryGroupIndex].ReadOnly);
                 Assert.IsTrue(dataGridView.Columns[combinedAssemblyProbabilityIndex].ReadOnly);
                 Assert.IsFalse(dataGridView.Columns[useManualAssemblyProbabilityIndex].ReadOnly);
+                Assert.IsFalse(dataGridView.Columns[manualAssemblyProbabilityIndex].ReadOnly);
 
                 Assert.AreEqual(DataGridViewAutoSizeColumnsMode.AllCells, dataGridView.AutoSizeColumnsMode);
                 Assert.AreEqual(DataGridViewContentAlignment.MiddleCenter, dataGridView.ColumnHeadersDefaultCellStyle.Alignment);
@@ -193,6 +197,7 @@
                 Assert.AreEqual("VIv", cells[combinedAssemblyCategoryGroupIndex].Value);
                 Assert.AreEqual("1/1", cells[combinedAssemblyProbabilityIndex].FormattedValue);
                 Assert.AreEqual(false, cells[useManualAssemblyProbabilityIndex].Value);
+                Assert.AreEqual("-", cells[manualAssemblyProbabilityIndex].FormattedValue);
             }
         }