Index: Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_21.1_21.2.sql
===================================================================
diff -u -r513a3c1dd1ddd62dcdb034cdb24005ca7565662e -r89288fa576b79db12866e73438969fe15b705cda
--- Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_21.1_21.2.sql	(.../Migration_21.1_21.2.sql)	(revision 513a3c1dd1ddd62dcdb034cdb24005ca7565662e)
+++ Riskeer/Migration/src/Riskeer.Migration.Core/EmbeddedResources/Migration_21.1_21.2.sql	(.../Migration_21.1_21.2.sql)	(revision 89288fa576b79db12866e73438969fe15b705cda)
@@ -114,20 +114,35 @@
 INSERT INTO GeneralResultFaultTreeIllustrationPointStochastEntity SELECT * FROM [SOURCEPROJECT].GeneralResultFaultTreeIllustrationPointStochastEntity;
 INSERT INTO GeneralResultSubMechanismIllustrationPointEntity SELECT * FROM [SOURCEPROJECT].GeneralResultSubMechanismIllustrationPointEntity;
 INSERT INTO GeneralResultSubMechanismIllustrationPointStochastEntity SELECT * FROM [SOURCEPROJECT].GeneralResultSubMechanismIllustrationPointStochastEntity;
-INSERT INTO GrassCoverErosionInwardsFailureMechanismMetaEntity SELECT * FROM [SOURCEPROJECT].GrassCoverErosionInwardsFailureMechanismMetaEntity;
+INSERT INTO GrassCoverErosionInwardsFailureMechanismMetaEntity (
+    [GrassCoverErosionInwardsFailureMechanismMetaEntityId],
+    [FailureMechanismEntityId],
+    [N],
+    [DikeProfileCollectionSourcePath],
+    [ApplyLengthEffectInSection]
+)
+SELECT
+    [GrassCoverErosionInwardsFailureMechanismMetaEntityId],
+    [FailureMechanismEntityId],
+    [N],
+    [DikeProfileCollectionSourcePath],
+    0                                                              
+FROM [SOURCEPROJECT].GrassCoverErosionInwardsFailureMechanismMetaEntity;
 INSERT INTO GrassCoverErosionInwardsOutputEntity SELECT * FROM [SOURCEPROJECT].GrassCoverErosionInwardsOutputEntity;
 INSERT INTO GrassCoverErosionInwardsSectionResultEntity SELECT * FROM [SOURCEPROJECT].GrassCoverErosionInwardsSectionResultEntity;
 INSERT INTO GrassCoverErosionOutwardsFailureMechanismMetaEntity (
     [GrassCoverErosionOutwardsFailureMechanismMetaEntityId],
     [FailureMechanismEntityId],
     [N],
-    [ForeshoreProfileCollectionSourcePath]
+    [ForeshoreProfileCollectionSourcePath],
+    [ApplyLengthEffectInSection]
 )
 SELECT
     [GrassCoverErosionOutwardsFailureMechanismMetaEntityId],
     [FailureMechanismEntityId],
     [N],
-    [ForeshoreProfileCollectionSourcePath]
+    [ForeshoreProfileCollectionSourcePath],
+    0
 FROM [SOURCEPROJECT].GrassCoverErosionOutwardsFailureMechanismMetaEntity;
 INSERT INTO GrassCoverErosionOutwardsSectionResultEntity SELECT * FROM [SOURCEPROJECT].GrassCoverErosionOutwardsSectionResultEntity;
 INSERT INTO GrassCoverErosionOutwardsWaveConditionsCalculationEntity (
@@ -182,19 +197,25 @@
 INSERT INTO GrassCoverSlipOffInwardsSectionResultEntity SELECT * FROM [SOURCEPROJECT].GrassCoverSlipOffInwardsSectionResultEntity;
 INSERT INTO GrassCoverSlipOffInwardsFailureMechanismMetaEntity (
     [FailureMechanismEntityId],
-    [N])
+    [N],
+    [ApplyLengthEffectInSection]    
+)
 SELECT
     [FailureMechanismEntityId],
-    1
+    1,
+    0
 FROM [SOURCEPROJECT].FailureMechanismEntity
 WHERE FailureMechanismType = 16;
 INSERT INTO GrassCoverSlipOffOutwardsSectionResultEntity SELECT * FROM [SOURCEPROJECT].GrassCoverSlipOffOutwardsSectionResultEntity;
 INSERT INTO GrassCoverSlipOffOutwardsFailureMechanismMetaEntity (
     [FailureMechanismEntityId],
-    [N])
+    [N],
+    [ApplyLengthEffectInSection]
+)
 SELECT
     [FailureMechanismEntityId],
-    1
+    1,
+    0
 FROM [SOURCEPROJECT].FailureMechanismEntity
 WHERE FailureMechanismType = 5;
 INSERT INTO HeightStructureEntity SELECT * FROM [SOURCEPROJECT].HeightStructureEntity;
@@ -251,14 +272,26 @@
 INSERT INTO MacroStabilityInwardsSoilProfileTwoDEntity SELECT * FROM [SOURCEPROJECT].MacroStabilityInwardsSoilProfileTwoDEntity;
 INSERT INTO MacroStabilityInwardsSoilProfileTwoDSoilLayerTwoDEntity SELECT * FROM [SOURCEPROJECT].MacroStabilityInwardsSoilProfileTwoDSoilLayerTwoDEntity;
 INSERT INTO MacroStabilityInwardsStochasticSoilProfileEntity SELECT * FROM [SOURCEPROJECT].MacroStabilityInwardsStochasticSoilProfileEntity;
-INSERT INTO MacroStabilityOutwardsFailureMechanismMetaEntity SELECT * FROM [SOURCEPROJECT].MacroStabilityOutwardsFailureMechanismMetaEntity;
+INSERT INTO MacroStabilityOutwardsFailureMechanismMetaEntity (
+    [MacroStabilityOutwardsFailureMechanismMetaEntityId],
+    [FailureMechanismEntityId],
+    [A],
+    [ApplyLengthEffectInSection])
+SELECT
+    [MacroStabilityOutwardsFailureMechanismMetaEntityId],
+    [FailureMechanismEntityId],
+    [A],
+    0                                                            
+FROM [SOURCEPROJECT].MacroStabilityOutwardsFailureMechanismMetaEntity;
 INSERT INTO MacroStabilityOutwardsSectionResultEntity SELECT * FROM [SOURCEPROJECT].MacroStabilityOutwardsSectionResultEntity;
 INSERT INTO MicrostabilityFailureMechanismMetaEntity (
     [FailureMechanismEntityId],
-    [N])
+    [N],
+    [ApplyLengthEffectInSection])
 SELECT
     [FailureMechanismEntityId],
-    1
+    1,
+    0
 FROM [SOURCEPROJECT].FailureMechanismEntity
 WHERE FailureMechanismType = 14;
 INSERT INTO MicrostabilitySectionResultEntity SELECT * FROM [SOURCEPROJECT].MicrostabilitySectionResultEntity;
@@ -331,7 +364,20 @@
 INSERT INTO StabilityPointStructuresFailureMechanismMetaEntity SELECT * FROM [SOURCEPROJECT].StabilityPointStructuresFailureMechanismMetaEntity;
 INSERT INTO StabilityPointStructuresOutputEntity SELECT * FROM [SOURCEPROJECT].StabilityPointStructuresOutputEntity;
 INSERT INTO StabilityPointStructuresSectionResultEntity SELECT * FROM [SOURCEPROJECT].StabilityPointStructuresSectionResultEntity;
-INSERT INTO StabilityStoneCoverFailureMechanismMetaEntity SELECT * FROM [SOURCEPROJECT].StabilityStoneCoverFailureMechanismMetaEntity;
+INSERT INTO StabilityStoneCoverFailureMechanismMetaEntity (
+    [StabilityStoneCoverFailureMechanismMetaEntityId],
+    [FailureMechanismEntityId],
+    [ForeshoreProfileCollectionSourcePath],
+    [N],
+    [ApplyLengthEffectInSection]                                   
+)
+SELECT
+    [StabilityStoneCoverFailureMechanismMetaEntityId],
+    [FailureMechanismEntityId],
+    [ForeshoreProfileCollectionSourcePath],
+    [N],
+    0
+FROM [SOURCEPROJECT].StabilityStoneCoverFailureMechanismMetaEntity;
 INSERT INTO StabilityStoneCoverSectionResultEntity SELECT * FROM [SOURCEPROJECT].StabilityStoneCoverSectionResultEntity;
 INSERT INTO StabilityStoneCoverWaveConditionsCalculationEntity (
     [StabilityStoneCoverWaveConditionsCalculationEntityId],
@@ -401,10 +447,13 @@
 INSERT INTO TechnicalInnovationSectionResultEntity SELECT * FROM [SOURCEPROJECT].TechnicalInnovationSectionResultEntity;
 INSERT INTO TechnicalInnovationFailureMechanismMetaEntity (
     [FailureMechanismEntityId],
-    [N])
+    [N],
+    [ApplyLengthEffectInSection]
+)
 SELECT
     [FailureMechanismEntityId],
-    1
+    1,
+    0
 FROM [SOURCEPROJECT].FailureMechanismEntity
 WHERE FailureMechanismType = 18;
 INSERT INTO TopLevelFaultTreeIllustrationPointEntity SELECT * FROM [SOURCEPROJECT].TopLevelFaultTreeIllustrationPointEntity;
Index: Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo212IntegrationTest.cs
===================================================================
diff -u -r513a3c1dd1ddd62dcdb034cdb24005ca7565662e -r89288fa576b79db12866e73438969fe15b705cda
--- Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo212IntegrationTest.cs	(.../MigrationTo212IntegrationTest.cs)	(revision 513a3c1dd1ddd62dcdb034cdb24005ca7565662e)
+++ Riskeer/Migration/test/Riskeer.Migration.Integration.Test/MigrationTo212IntegrationTest.cs	(.../MigrationTo212IntegrationTest.cs)	(revision 89288fa576b79db12866e73438969fe15b705cda)
@@ -88,6 +88,7 @@
                     AssertDuneLocationCalculation(reader);
                     AssertDuneLocationCalculationOutput(reader);
 
+                    AssertStrengthStabilityLengthwiseConstructionFailureMechanismMetaEntity(reader, sourceFilePath);
                     AssertStandAloneFailureMechanismMetaEntity(reader, sourceFilePath);
                 }
 
@@ -494,7 +495,7 @@
 
         #region StandAlone
 
-        private static void AssertStandAloneFailureMechanismMetaEntity(MigratedDatabaseReader reader, string sourceFilePath)
+        private static void AssertStrengthStabilityLengthwiseConstructionFailureMechanismMetaEntity(MigratedDatabaseReader reader, string sourceFilePath)
         {
             string validateFailureMechanismMetaEntity =
                 $"ATTACH DATABASE \"{sourceFilePath}\" AS SOURCEPROJECT; " +
@@ -509,10 +510,28 @@
                 "AND NEW.[N] = 1;" +
                 "DETACH SOURCEPROJECT;";
 
+            reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "17", "StrengthStabilityLengthwiseConstructionFailureMechanismMetaEntity"));
+        }
+        
+        private static void AssertStandAloneFailureMechanismMetaEntity(MigratedDatabaseReader reader, string sourceFilePath)
+        {
+            string validateFailureMechanismMetaEntity =
+                $"ATTACH DATABASE \"{sourceFilePath}\" AS SOURCEPROJECT; " +
+                "SELECT COUNT() = (" +
+                "SELECT COUNT()" +
+                "FROM SOURCEPROJECT.FailureMechanismEntity " +
+                "WHERE FailureMechanismType = {0}" +
+                ") " +
+                "FROM {1} NEW " +
+                "JOIN SOURCEPROJECT.FailureMechanismEntity OLD USING(FailureMechanismEntityId) " +
+                "WHERE OLD.[FailureMechanismType] = {0} " +
+                "AND NEW.[N] = 1 " +
+                "AND NEW.[ApplyLengthEffectInSection] = 1;" +
+                "DETACH SOURCEPROJECT;";
+
             reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "16", "GrassCoverSlipOffInwardsFailureMechanismMetaEntity"));
             reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "5", "GrassCoverSlipOffOutwardsFailureMechanismMetaEntity"));
             reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "14", "MicrostabilityFailureMechanismMetaEntity"));
-            reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "17", "StrengthStabilityLengthwiseConstructionFailureMechanismMetaEntity"));
             reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "18", "TechnicalInnovationFailureMechanismMetaEntity"));
             reader.AssertReturnedDataIsValid(string.Format(validateFailureMechanismMetaEntity, "15", "WaterPressureAsphaltCoverFailureMechanismMetaEntity"));
         }