Index: Riskeer/Piping/src/Riskeer.Piping.Forms/Views/PipingFailureMechanismSectionResultRow.cs
===================================================================
diff -u -r65d1333335d29e7cc91e360a91805ff7a304aa5a -r864a75002ba4216493f6dde8ba96a30575fa4d4b
--- Riskeer/Piping/src/Riskeer.Piping.Forms/Views/PipingFailureMechanismSectionResultRow.cs	(.../PipingFailureMechanismSectionResultRow.cs)	(revision 65d1333335d29e7cc91e360a91805ff7a304aa5a)
+++ Riskeer/Piping/src/Riskeer.Piping.Forms/Views/PipingFailureMechanismSectionResultRow.cs	(.../PipingFailureMechanismSectionResultRow.cs)	(revision 864a75002ba4216493f6dde8ba96a30575fa4d4b)
@@ -218,18 +218,33 @@
 
         private void UpdateColumnStateDefinitions()
         {
-            bool initialFailureMechanismResultNoFailureProbability = InitialFailureMechanismResult == InitialFailureMechanismResultType.NoFailureProbability;
-            
             ColumnStateHelper.SetColumnState(ColumnStateDefinitions[initialFailureMechanismResultIndex], !IsRelevant);
-            ColumnStateHelper.SetColumnState(ColumnStateDefinitions[initialFailureMechanismResultProfileProbabilityIndex], 
-                                             !IsRelevant || initialFailureMechanismResultNoFailureProbability);
-                                              
-            ColumnStateHelper.SetColumnState(ColumnStateDefinitions[initialFailureMechanismResultSectionProbabilityIndex],
-                                             !IsRelevant || initialFailureMechanismResultNoFailureProbability);
+
+            if (!IsRelevant || InitialFailureMechanismResult == InitialFailureMechanismResultType.NoFailureProbability)
+            {
+                ColumnStateHelper.DisableColumn(ColumnStateDefinitions[initialFailureMechanismResultProfileProbabilityIndex]);
+                ColumnStateHelper.DisableColumn(ColumnStateDefinitions[initialFailureMechanismResultSectionProbabilityIndex]);
+            }
+            else
+            {
+                bool initialFailureMechanismResultAdopt = InitialFailureMechanismResult == InitialFailureMechanismResultType.Adopt;
+                ColumnStateHelper.EnableColumn(ColumnStateDefinitions[initialFailureMechanismResultProfileProbabilityIndex], initialFailureMechanismResultAdopt);
+                ColumnStateHelper.EnableColumn(ColumnStateDefinitions[initialFailureMechanismResultSectionProbabilityIndex], initialFailureMechanismResultAdopt);
+            }
+            
             ColumnStateHelper.SetColumnState(ColumnStateDefinitions[furtherAnalysisNeededIndex], !IsRelevant);
             ColumnStateHelper.SetColumnState(ColumnStateDefinitions[probabilityRefinementTypeIndex], !IsRelevant || !FurtherAnalysisNeeded);
-            ColumnStateHelper.SetColumnState(ColumnStateDefinitions[refinedProfileProbabilityIndex], !IsRelevant || !FurtherAnalysisNeeded);
-            ColumnStateHelper.SetColumnState(ColumnStateDefinitions[refinedSectionProbabilityIndex], !IsRelevant || !FurtherAnalysisNeeded);
+
+            if (!IsRelevant || !FurtherAnalysisNeeded)
+            {
+                ColumnStateHelper.DisableColumn(ColumnStateDefinitions[refinedProfileProbabilityIndex]);
+                ColumnStateHelper.DisableColumn(ColumnStateDefinitions[refinedSectionProbabilityIndex]);
+            }
+            else
+            {
+                ColumnStateHelper.EnableColumn(ColumnStateDefinitions[refinedProfileProbabilityIndex], ProbabilityRefinementType == ProbabilityRefinementType.Section);
+                ColumnStateHelper.EnableColumn(ColumnStateDefinitions[refinedSectionProbabilityIndex], ProbabilityRefinementType == ProbabilityRefinementType.Profile);
+            }
         }
 
         /// <summary>
Index: Riskeer/Piping/test/Riskeer.Piping.Forms.Test/Views/PipingFailureMechanismSectionResultRowTest.cs
===================================================================
diff -u -r65d1333335d29e7cc91e360a91805ff7a304aa5a -r864a75002ba4216493f6dde8ba96a30575fa4d4b
--- Riskeer/Piping/test/Riskeer.Piping.Forms.Test/Views/PipingFailureMechanismSectionResultRowTest.cs	(.../PipingFailureMechanismSectionResultRowTest.cs)	(revision 65d1333335d29e7cc91e360a91805ff7a304aa5a)
+++ Riskeer/Piping/test/Riskeer.Piping.Forms.Test/Views/PipingFailureMechanismSectionResultRowTest.cs	(.../PipingFailureMechanismSectionResultRowTest.cs)	(revision 864a75002ba4216493f6dde8ba96a30575fa4d4b)
@@ -368,7 +368,9 @@
             var result = new PipingFailureMechanismSectionResult(section)
             {
                 IsRelevant = isRelevant,
-                FurtherAnalysisNeeded = true
+                FurtherAnalysisNeeded = true,
+                InitialFailureMechanismResult = InitialFailureMechanismResultType.Manual,
+                ProbabilityRefinementType = ProbabilityRefinementType.Both
             };
             
             // Call
@@ -396,11 +398,11 @@
         }
         
         [Test]
-        [TestCase(InitialFailureMechanismResultType.Adopt, true)]
-        [TestCase(InitialFailureMechanismResultType.Manual, true)]
-        [TestCase(InitialFailureMechanismResultType.NoFailureProbability, false)]
+        [TestCase(InitialFailureMechanismResultType.Adopt, true, true)]
+        [TestCase(InitialFailureMechanismResultType.Manual, true, false)]
+        [TestCase(InitialFailureMechanismResultType.NoFailureProbability, false, true)]
         public void Constructor_WithInitialFailureMechanismResult_ExpectedColumnStates(InitialFailureMechanismResultType initialFailureMechanismResultType,
-                                                                                       bool isEnabled)
+                                                                                       bool isEnabled, bool isReadOnly)
         {
             // Setup
             var mocks = new MockRepository();
@@ -420,9 +422,9 @@
             IDictionary<int, DataGridViewColumnStateDefinition> columnStateDefinitions = row.ColumnStateDefinitions;
             
             DataGridViewControlColumnStateDefinitionTestHelper.AssertColumnState(
-                columnStateDefinitions[ConstructionProperties.InitialFailureMechanismResultProfileProbabilityIndex], isEnabled);
+                columnStateDefinitions[ConstructionProperties.InitialFailureMechanismResultProfileProbabilityIndex], isEnabled, isReadOnly);
             DataGridViewControlColumnStateDefinitionTestHelper.AssertColumnState(
-                columnStateDefinitions[ConstructionProperties.InitialFailureMechanismResultSectionProbabilityIndex], isEnabled);
+                columnStateDefinitions[ConstructionProperties.InitialFailureMechanismResultSectionProbabilityIndex], isEnabled, isReadOnly);
             
             mocks.VerifyAll();
         }
@@ -440,7 +442,8 @@
             FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
             var result = new PipingFailureMechanismSectionResult(section)
             {
-                FurtherAnalysisNeeded = furtherAnalysisNeeded
+                FurtherAnalysisNeeded = furtherAnalysisNeeded,
+                ProbabilityRefinementType = ProbabilityRefinementType.Both
             };
             
             // Call
@@ -458,6 +461,40 @@
             
             mocks.VerifyAll();
         }
+        
+        [Test]
+        [TestCase(ProbabilityRefinementType.Both, false, false)]
+        [TestCase(ProbabilityRefinementType.Profile, false, true)]
+        [TestCase(ProbabilityRefinementType.Section, true, false)]
+        public void Constructor_WithProbabilityRefinementType_ExpectedColumnStates(ProbabilityRefinementType probabilityRefinementType,
+                                                                                   bool profileProbabilityIsReadOnly,
+                                                                                   bool sectionProbabilityIsReadOnly)
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var calculateStrategy = mocks.Stub<IPipingFailureMechanismSectionResultCalculateProbabilityStrategy>();
+            mocks.ReplayAll();
+            
+            FailureMechanismSection section = FailureMechanismSectionTestFactory.CreateFailureMechanismSection();
+            var result = new PipingFailureMechanismSectionResult(section)
+            {
+                FurtherAnalysisNeeded = true,
+                ProbabilityRefinementType = probabilityRefinementType
+            };
+            
+            // Call
+            var row = new PipingFailureMechanismSectionResultRow(result, calculateStrategy, ConstructionProperties);
+            
+            // Assert
+            IDictionary<int, DataGridViewColumnStateDefinition> columnStateDefinitions = row.ColumnStateDefinitions;
+            
+            DataGridViewControlColumnStateDefinitionTestHelper.AssertColumnState(
+                columnStateDefinitions[ConstructionProperties.RefinedProfileProbabilityIndex], true, profileProbabilityIsReadOnly);
+            DataGridViewControlColumnStateDefinitionTestHelper.AssertColumnState(
+                columnStateDefinitions[ConstructionProperties.RefinedSectionProbabilityIndex], true, sectionProbabilityIsReadOnly);
+            
+            mocks.VerifyAll();
+        }
 
         #endregion
     }