Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/Helpers/MacroStabilityInwardsLocationInputConversionExtensions.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/Helpers/MacroStabilityInwardsLocationInputConversionExtensions.cs	(.../MacroStabilityInwardsLocationInputConversionExtensions.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/Helpers/MacroStabilityInwardsLocationInputConversionExtensions.cs	(.../MacroStabilityInwardsLocationInputConversionExtensions.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -46,15 +46,47 @@
                 throw new ArgumentNullException(nameof(inputDaily));
             }
 
-            return new MacroStabilityInwardsLocationInputConfiguration
+            var configuration = new MacroStabilityInwardsLocationInputConfiguration();
+
+            SetMacroStabilityInwardsLocationInputParameters(configuration, inputDaily);
+
+            return configuration;
+        }
+
+        /// <summary>
+        /// Configure a new <see cref="MacroStabilityInwardsLocationInputExtremeConfiguration"/> with 
+        /// values taken from <paramref name="inputExtreme"/>.
+        /// </summary>
+        /// <param name="inputExtreme">The input to take the values from.</param>
+        /// <returns>A new <see cref="MacroStabilityInwardsLocationInputExtremeConfiguration"/>.</returns>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="inputExtreme"/> is <c>null</c>.</exception>
+        public static MacroStabilityInwardsLocationInputExtremeConfiguration ToMacroStabilityInwardsLocationInputExtremeConfiguration(
+            this IMacroStabilityInwardsLocationInputExtreme inputExtreme)
+        {
+            if (inputExtreme == null)
             {
-                WaterLevelPolder = inputDaily.WaterLevelPolder,
-                UseDefaultOffsets = inputDaily.UseDefaultOffsets,
-                PhreaticLineOffsetBelowDikeTopAtRiver = inputDaily.PhreaticLineOffsetBelowDikeTopAtRiver,
-                PhreaticLineOffsetBelowDikeTopAtPolder = inputDaily.PhreaticLineOffsetBelowDikeTopAtPolder,
-                PhreaticLineOffsetBelowShoulderBaseInside = inputDaily.PhreaticLineOffsetBelowShoulderBaseInside,
-                PhreaticLineOffsetBelowDikeToeAtPolder = inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder
+                throw new ArgumentNullException(nameof(inputExtreme));
+            }
+
+            var configuration = new MacroStabilityInwardsLocationInputExtremeConfiguration
+            {
+                PenetrationLength = inputExtreme.PenetrationLength
             };
+
+            SetMacroStabilityInwardsLocationInputParameters(configuration, inputExtreme);
+
+            return configuration;
         }
+
+        private static void SetMacroStabilityInwardsLocationInputParameters(MacroStabilityInwardsLocationInputConfiguration configuration,
+                                                                            IMacroStabilityInwardsLocationInput input)
+        {
+            configuration.WaterLevelPolder = input.WaterLevelPolder;
+            configuration.UseDefaultOffsets = input.UseDefaultOffsets;
+            configuration.PhreaticLineOffsetBelowDikeTopAtRiver = input.PhreaticLineOffsetBelowDikeTopAtRiver;
+            configuration.PhreaticLineOffsetBelowDikeTopAtPolder = input.PhreaticLineOffsetBelowDikeTopAtPolder;
+            configuration.PhreaticLineOffsetBelowShoulderBaseInside = input.PhreaticLineOffsetBelowShoulderBaseInside;
+            configuration.PhreaticLineOffsetBelowDikeToeAtPolder = input.PhreaticLineOffsetBelowDikeToeAtPolder;
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfiguration.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfiguration.cs	(.../MacroStabilityInwardsCalculationConfiguration.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfiguration.cs	(.../MacroStabilityInwardsCalculationConfiguration.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -177,6 +177,11 @@
         /// </summary>
         public MacroStabilityInwardsLocationInputConfiguration LocationInputDaily { get; set; }
 
+        /// <summary>
+        /// Gets or sets the locations input values for extreme conditions.
+        /// </summary>
+        public MacroStabilityInwardsLocationInputExtremeConfiguration LocationInputExtreme { get; set; }
+
         #endregion
 
         #region Grid
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationExporter.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationExporter.cs	(.../MacroStabilityInwardsCalculationConfigurationExporter.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationExporter.cs	(.../MacroStabilityInwardsCalculationConfigurationExporter.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -83,6 +83,7 @@
                     Outwards = input.LeakageLengthOutwardsPhreaticLine4
                 },
                 LocationInputDaily = input.LocationInputDaily.ToMacroStabilityInwardsLocationInputConfiguration(),
+                LocationInputExtreme = input.LocationInputExtreme.ToMacroStabilityInwardsLocationInputExtremeConfiguration(),
                 Scenario = calculation.ToScenarioConfiguration(),
                 SlipPlaneMinimumDepth = input.SlipPlaneMinimumDepth,
                 SlipPlaneMinimumLength = input.SlipPlaneMinimumLength,
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs	(.../MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs	(.../MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -165,6 +165,11 @@
         public const string WaterLevelPolderElement = "polderpeil";
 
         /// <summary>
+        /// The tag of the element containing the penetration length.
+        /// </summary>
+        public const string PenetrationLengthElement = "indringingslengte";
+
+        /// <summary>
         /// The identifier for the offset of the location input elements.
         /// </summary>
         public const string LocationInputOffsetElement = "offsets";
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationWriter.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationWriter.cs	(.../MacroStabilityInwardsCalculationConfigurationWriter.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationWriter.cs	(.../MacroStabilityInwardsCalculationConfigurationWriter.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -177,6 +177,8 @@
 
             WriteLocationLocationDailyInput(writer, configuration.LocationInputDaily);
 
+            WriteLocationLocationExtremeInput(writer, configuration.LocationInputExtreme);
+
             writer.WriteEndElement();
         }
 
@@ -275,6 +277,35 @@
         }
 
         /// <summary>
+        /// Writes a location input configuration.
+        /// </summary>
+        /// <param name="writer">The writer to use for writing.</param>
+        /// <param name="configuration">The configuration for the location input that can be <c>null</c>.</param>
+        /// <exception cref="InvalidOperationException">Thrown when the <paramref name="writer"/> 
+        /// is closed.</exception>
+        private static void WriteLocationLocationExtremeInput(XmlWriter writer, MacroStabilityInwardsLocationInputExtremeConfiguration configuration)
+        {
+            if (configuration == null)
+            {
+                return;
+            }
+
+            writer.WriteStartElement(MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.LocationInputExtremeElement);
+
+            WriteElementWhenContentAvailable(writer,
+                                             MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.WaterLevelPolderElement,
+                                             configuration.WaterLevelPolder);
+
+            WriteElementWhenContentAvailable(writer,
+                                             MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.PenetrationLengthElement,
+                                             configuration.PenetrationLength);
+
+            WriteLocationLocationInputOffset(writer, configuration);
+
+            writer.WriteEndElement();
+        }
+
+        /// <summary>
         /// Writes the offset of a location input configuration.
         /// </summary>
         /// <param name="writer">The writer to use for writing.</param>
@@ -349,6 +380,13 @@
             writer.WriteEndElement();
         }
 
+        /// <summary>
+        /// Writes the phreatic 1 related parameters.
+        /// </summary>
+        /// <param name="writer">The writer to use for writing.</param>
+        /// <param name="configuration">The configuration to write.</param>
+        /// <exception cref="InvalidOperationException">Thrown when the <paramref name="writer"/> 
+        /// is closed.</exception>
         private static void WritePhreaticLine1(XmlWriter writer, MacroStabilityInwardsCalculationConfiguration configuration)
         {
             writer.WriteStartElement(MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.PhreaticLine1Element);
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsLocationInputExtremeConfiguration.cs
===================================================================
diff -u
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsLocationInputExtremeConfiguration.cs	(revision 0)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsLocationInputExtremeConfiguration.cs	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -0,0 +1,34 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+namespace Ringtoets.MacroStabilityInwards.IO.Configurations
+{
+    /// <summary>
+    /// Configuration of locations input for extreme conditions.
+    /// </summary>
+    public class MacroStabilityInwardsLocationInputExtremeConfiguration : MacroStabilityInwardsLocationInputConfiguration
+    {
+        /// <summary>
+        /// Gets or sets the penetration length.
+        /// </summary>
+        public double? PenetrationLength { get; set; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Ringtoets.MacroStabilityInwards.IO.csproj
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Ringtoets.MacroStabilityInwards.IO.csproj	(.../Ringtoets.MacroStabilityInwards.IO.csproj)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Ringtoets.MacroStabilityInwards.IO.csproj	(.../Ringtoets.MacroStabilityInwards.IO.csproj)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -47,6 +47,7 @@
     <Compile Include="Configurations\MacroStabilityInwardsCalculationConfigurationWriter.cs" />
     <Compile Include="Configurations\MacroStabilityInwardsCalculationConfigurationImporter.cs" />
     <Compile Include="Configurations\MacroStabilityInwardsGridConfiguration.cs" />
+    <Compile Include="Configurations\MacroStabilityInwardsLocationInputExtremeConfiguration.cs" />
     <Compile Include="Configurations\PhreaticLineConfiguration.cs" />
     <Compile Include="Configurations\MacroStabilityInwardsLocationInputConfiguration.cs" />
     <Compile Include="SoilProfiles\MacroStabilityInwardsPreconsolidationStressTransformer.cs" />
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil.Test/MacroStabilityInwardsTestDataGeneratorTest.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil.Test/MacroStabilityInwardsTestDataGeneratorTest.cs	(.../MacroStabilityInwardsTestDataGeneratorTest.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil.Test/MacroStabilityInwardsTestDataGeneratorTest.cs	(.../MacroStabilityInwardsTestDataGeneratorTest.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -193,6 +193,14 @@
             Assert.IsNaN(inputDaily.PhreaticLineOffsetBelowDikeTopAtPolder);
             Assert.IsNaN(inputDaily.PhreaticLineOffsetBelowShoulderBaseInside);
             Assert.IsNaN(inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder);
+
+            IMacroStabilityInwardsLocationInputExtreme inputExtreme = input.LocationInputExtreme;
+            Assert.IsNaN(inputExtreme.PenetrationLength);
+            Assert.IsNaN(inputExtreme.WaterLevelPolder);
+            Assert.IsNaN(inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver);
+            Assert.IsNaN(inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder);
+            Assert.IsNaN(inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside);
+            Assert.IsNaN(inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder);
         }
 
         [Test]
@@ -244,6 +252,14 @@
             Assert.AreEqual(double.PositiveInfinity, inputDaily.PhreaticLineOffsetBelowDikeTopAtPolder);
             Assert.AreEqual(double.NegativeInfinity, inputDaily.PhreaticLineOffsetBelowShoulderBaseInside);
             Assert.AreEqual(double.NegativeInfinity, inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder);
+
+            IMacroStabilityInwardsLocationInputExtreme inputExtreme = input.LocationInputExtreme;
+            Assert.AreEqual(double.PositiveInfinity, inputExtreme.PenetrationLength);
+            Assert.AreEqual(double.NegativeInfinity, inputExtreme.WaterLevelPolder);
+            Assert.AreEqual(double.NegativeInfinity, inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver);
+            Assert.AreEqual(double.NegativeInfinity, inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder);
+            Assert.AreEqual(double.PositiveInfinity, inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside);
+            Assert.AreEqual(double.PositiveInfinity, inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder);
         }
 
         private static void AssertCalculation(MacroStabilityInwardsCalculationScenario calculation,
@@ -331,6 +347,15 @@
             Assert.AreEqual(2.22, inputDaily.PhreaticLineOffsetBelowDikeTopAtPolder, inputDaily.PhreaticLineOffsetBelowDikeTopAtPolder.GetAccuracy());
             Assert.AreEqual(2.23, inputDaily.PhreaticLineOffsetBelowShoulderBaseInside, inputDaily.PhreaticLineOffsetBelowShoulderBaseInside.GetAccuracy());
             Assert.AreEqual(2.24, inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder, inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder.GetAccuracy());
+
+            IMacroStabilityInwardsLocationInputExtreme inputExtreme = input.LocationInputExtreme;
+            Assert.IsFalse(inputExtreme.UseDefaultOffsets);
+            Assert.AreEqual(16.2, inputExtreme.PenetrationLength, inputExtreme.PenetrationLength.GetAccuracy());
+            Assert.AreEqual(15.2, inputExtreme.WaterLevelPolder, inputExtreme.WaterLevelPolder.GetAccuracy());
+            Assert.AreEqual(15.21, inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver, inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver.GetAccuracy());
+            Assert.AreEqual(15.22, inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder, inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder.GetAccuracy());
+            Assert.AreEqual(15.23, inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside, inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside.GetAccuracy());
+            Assert.AreEqual(15.24, inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder, inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder.GetAccuracy());
         }
 
         private static void AssertCalculationsHasSameHydraulicBoundaryLocation(CalculationGroup calculationGroup,
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsTestDataGenerator.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsTestDataGenerator.cs	(.../MacroStabilityInwardsTestDataGenerator.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Data.TestUtil/MacroStabilityInwardsTestDataGenerator.cs	(.../MacroStabilityInwardsTestDataGenerator.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -162,6 +162,16 @@
                         PhreaticLineOffsetBelowShoulderBaseInside = (RoundedDouble) 2.23,
                         PhreaticLineOffsetBelowDikeToeAtPolder = (RoundedDouble) 2.24
                     },
+                    LocationInputExtreme =
+                    {
+                        UseDefaultOffsets = false,
+                        PenetrationLength = (RoundedDouble) 16.2,
+                        WaterLevelPolder = (RoundedDouble) 15.2,
+                        PhreaticLineOffsetBelowDikeTopAtRiver = (RoundedDouble) 15.21,
+                        PhreaticLineOffsetBelowDikeTopAtPolder = (RoundedDouble) 15.22,
+                        PhreaticLineOffsetBelowShoulderBaseInside = (RoundedDouble) 15.23,
+                        PhreaticLineOffsetBelowDikeToeAtPolder = (RoundedDouble) 15.24
+                    },
                     WaterLevelRiverAverage = (RoundedDouble) 10.5,
                     DrainageConstructionPresent = true,
                     XCoordinateDrainageConstruction = (RoundedDouble) 10.6,
@@ -236,6 +246,14 @@
             inputDaily.PhreaticLineOffsetBelowShoulderBaseInside = RoundedDouble.NaN;
             inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder = RoundedDouble.NaN;
 
+            IMacroStabilityInwardsLocationInputExtreme inputExtreme = input.LocationInputExtreme;
+            inputExtreme.PenetrationLength = RoundedDouble.NaN;
+            inputExtreme.WaterLevelPolder = RoundedDouble.NaN;
+            inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver = RoundedDouble.NaN;
+            inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder = RoundedDouble.NaN;
+            inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside = RoundedDouble.NaN;
+            inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder = RoundedDouble.NaN;
+
             return calculation;
         }
 
@@ -297,6 +315,14 @@
             inputDaily.PhreaticLineOffsetBelowShoulderBaseInside = (RoundedDouble) double.NegativeInfinity;
             inputDaily.PhreaticLineOffsetBelowDikeToeAtPolder = (RoundedDouble) double.NegativeInfinity;
 
+            IMacroStabilityInwardsLocationInputExtreme inputExtreme = input.LocationInputExtreme;
+            inputExtreme.PenetrationLength = (RoundedDouble) double.PositiveInfinity;
+            inputExtreme.WaterLevelPolder = (RoundedDouble) double.NegativeInfinity;
+            inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver = (RoundedDouble) double.NegativeInfinity;
+            inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder = (RoundedDouble) double.NegativeInfinity;
+            inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside = (RoundedDouble) double.PositiveInfinity;
+            inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder = (RoundedDouble) double.PositiveInfinity;
+
             return calculation;
         }
 
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/Helpers/MacroStabilityInwardsLocationInputConversionExtensionsTest.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/Helpers/MacroStabilityInwardsLocationInputConversionExtensionsTest.cs	(.../MacroStabilityInwardsLocationInputConversionExtensionsTest.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/Helpers/MacroStabilityInwardsLocationInputConversionExtensionsTest.cs	(.../MacroStabilityInwardsLocationInputConversionExtensionsTest.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -87,5 +87,64 @@
                             phreaticLineOffsetBelowDikeToeAtPolder.GetAccuracy());
             mockRepository.VerifyAll();
         }
+
+        [Test]
+        public void ToMacroStabilityInwardsLocationInputExtremeConfiguration_MacroStabilityInwardsLocationInputExtremeNull_ThrowsArgumentNullException()
+        {
+            // Call
+            TestDelegate test = () => ((IMacroStabilityInwardsLocationInputExtreme) null).ToMacroStabilityInwardsLocationInputExtremeConfiguration();
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("inputExtreme", exception.ParamName);
+        }
+
+        [Test]
+        public void ToMacroStabilityInwardsLocationInputExtremeConfiguration_ValidMacroStabilityInwardsLocationInputExtreme_ReturnsNewMacroStabilityInwardsLocationInputExtremeConfigurationWithParametersSet()
+        {
+            // Setup
+            var random = new Random(31);
+
+            RoundedDouble penetrationLength = random.NextRoundedDouble();
+            bool useDefaultOffsets = random.NextBoolean();
+            RoundedDouble waterLevelPolder = random.NextRoundedDouble();
+            RoundedDouble phreaticLineOffsetBelowDikeTopAtRiver = random.NextRoundedDouble();
+            RoundedDouble phreaticLineOffsetBelowDikeTopAtPolder = random.NextRoundedDouble();
+            RoundedDouble phreaticLineOffsetBelowShoulderBaseInside = random.NextRoundedDouble();
+            RoundedDouble phreaticLineOffsetBelowDikeToeAtPolder = random.NextRoundedDouble();
+
+            var mockRepository = new MockRepository();
+            var inputExtreme = mockRepository.Stub<IMacroStabilityInwardsLocationInputExtreme>();
+            inputExtreme.PenetrationLength = penetrationLength;
+            inputExtreme.UseDefaultOffsets = useDefaultOffsets;
+            inputExtreme.WaterLevelPolder = waterLevelPolder;
+            inputExtreme.PhreaticLineOffsetBelowDikeTopAtRiver = phreaticLineOffsetBelowDikeTopAtRiver;
+            inputExtreme.PhreaticLineOffsetBelowDikeTopAtPolder = phreaticLineOffsetBelowDikeTopAtPolder;
+            inputExtreme.PhreaticLineOffsetBelowShoulderBaseInside = phreaticLineOffsetBelowShoulderBaseInside;
+            inputExtreme.PhreaticLineOffsetBelowDikeToeAtPolder = phreaticLineOffsetBelowDikeToeAtPolder;
+            mockRepository.ReplayAll();
+
+            // Call
+            MacroStabilityInwardsLocationInputExtremeConfiguration configuration = inputExtreme.ToMacroStabilityInwardsLocationInputExtremeConfiguration();
+
+            // Assert
+            Assert.AreEqual(penetrationLength,
+                            configuration.PenetrationLength,
+                            penetrationLength.GetAccuracy());
+            Assert.AreEqual(useDefaultOffsets, configuration.UseDefaultOffsets);
+            Assert.AreEqual(phreaticLineOffsetBelowDikeTopAtRiver,
+                            configuration.PhreaticLineOffsetBelowDikeTopAtRiver,
+                            phreaticLineOffsetBelowDikeTopAtRiver.GetAccuracy());
+            Assert.AreEqual(phreaticLineOffsetBelowDikeTopAtPolder,
+                            configuration.PhreaticLineOffsetBelowDikeTopAtPolder,
+                            phreaticLineOffsetBelowDikeTopAtPolder.GetAccuracy());
+            Assert.AreEqual(phreaticLineOffsetBelowShoulderBaseInside,
+                            configuration.PhreaticLineOffsetBelowShoulderBaseInside,
+                            phreaticLineOffsetBelowShoulderBaseInside.GetAccuracy());
+            Assert.AreEqual(phreaticLineOffsetBelowDikeToeAtPolder,
+                            configuration.PhreaticLineOffsetBelowDikeToeAtPolder,
+                            phreaticLineOffsetBelowDikeToeAtPolder.GetAccuracy());
+            mockRepository.VerifyAll();
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiersTest.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiersTest.cs	(.../MacroStabilityInwardsCalculationConfigurationSchemaIdentifiersTest.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationSchemaIdentifiersTest.cs	(.../MacroStabilityInwardsCalculationConfigurationSchemaIdentifiersTest.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -59,6 +59,7 @@
             Assert.AreEqual("dagelijks", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.LocationInputDailyElement);
             Assert.AreEqual("extreem", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.LocationInputExtremeElement);
             Assert.AreEqual("polderpeil", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.WaterLevelPolderElement);
+            Assert.AreEqual("indringingslengte", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.PenetrationLengthElement);
             Assert.AreEqual("offsets", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.LocationInputOffsetElement);
             Assert.AreEqual("gebruikdefaults", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.UseDefaultOffsetsElement);
             Assert.AreEqual("buitenkruin", MacroStabilityInwardsCalculationConfigurationSchemaIdentifiers.PhreaticLineOffsetBelowDikeTopAtRiverElement);
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationTest.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationTest.cs	(.../MacroStabilityInwardsCalculationConfigurationTest.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationTest.cs	(.../MacroStabilityInwardsCalculationConfigurationTest.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -69,6 +69,7 @@
             Assert.IsNull(configuration.PhreaticLine3);
             Assert.IsNull(configuration.PhreaticLine4);
             Assert.IsNull(configuration.LocationInputDaily);
+            Assert.IsNull(configuration.LocationInputExtreme);
             Assert.IsNull(configuration.SlipPlaneMinimumDepth);
             Assert.IsNull(configuration.SlipPlaneMinimumLength);
             Assert.IsNull(configuration.MaximumSliceWidth);
@@ -108,6 +109,7 @@
             var phreaticLine3 = new PhreaticLineConfiguration();
             var phreaticLine4 = new PhreaticLineConfiguration();
             var locationInputDaily = new MacroStabilityInwardsLocationInputConfiguration();
+            var locationInputExtreme = new MacroStabilityInwardsLocationInputExtremeConfiguration();
 
             const double slipPlaneMinimumDepth = 2.2;
             const double slipPlaneMinimumLength = 3.3;
@@ -145,6 +147,7 @@
                 PhreaticLine3 = phreaticLine3,
                 PhreaticLine4 = phreaticLine4,
                 LocationInputDaily = locationInputDaily,
+                LocationInputExtreme = locationInputExtreme,
                 SlipPlaneMinimumDepth = slipPlaneMinimumDepth,
                 SlipPlaneMinimumLength = slipPlaneMinimumLength,
                 MaximumSliceWidth = maximumSliceWidth,
@@ -179,6 +182,7 @@
             Assert.AreSame(phreaticLine3, configuration.PhreaticLine3);
             Assert.AreSame(phreaticLine4, configuration.PhreaticLine4);
             Assert.AreSame(locationInputDaily, configuration.LocationInputDaily);
+            Assert.AreSame(locationInputExtreme, configuration.LocationInputExtreme);
             Assert.AreEqual(slipPlaneMinimumDepth, configuration.SlipPlaneMinimumDepth);
             Assert.AreEqual(slipPlaneMinimumLength, configuration.SlipPlaneMinimumLength);
             Assert.AreEqual(maximumSliceWidth, configuration.MaximumSliceWidth);
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationWriterTest.cs
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationWriterTest.cs	(.../MacroStabilityInwardsCalculationConfigurationWriterTest.cs)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsCalculationConfigurationWriterTest.cs	(.../MacroStabilityInwardsCalculationConfigurationWriterTest.cs)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -119,6 +119,16 @@
                     PhreaticLineOffsetBelowShoulderBaseInside = 99.5,
                     UseDefaultOffsets = false
                 },
+                LocationInputExtreme = new MacroStabilityInwardsLocationInputExtremeConfiguration
+                {
+                    PenetrationLength = 42,
+                    WaterLevelPolder = 199.9,
+                    PhreaticLineOffsetBelowDikeToeAtPolder = 199.8,
+                    PhreaticLineOffsetBelowDikeTopAtPolder = 199.7,
+                    PhreaticLineOffsetBelowDikeTopAtRiver = 199.6,
+                    PhreaticLineOffsetBelowShoulderBaseInside = 199.5,
+                    UseDefaultOffsets = true
+                },
                 AdjustPhreaticLine3And4ForUplift = true,
                 CreateZones = true,
                 MoveGrid = true,
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsLocationInputExtremeConfigurationTest.cs
===================================================================
diff -u
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsLocationInputExtremeConfigurationTest.cs	(revision 0)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Configurations/MacroStabilityInwardsLocationInputExtremeConfigurationTest.cs	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -0,0 +1,80 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using NUnit.Framework;
+using Ringtoets.MacroStabilityInwards.IO.Configurations;
+
+namespace Ringtoets.MacroStabilityInwards.IO.Test.Configurations
+{
+    public class MacroStabilityInwardsLocationInputExtremeConfigurationTest
+    {
+        [Test]
+        public void Constructor_Always_ExpectedValues()
+        {
+            // Call
+            var configuration = new MacroStabilityInwardsLocationInputExtremeConfiguration();
+
+            // Assert
+            Assert.IsInstanceOf<MacroStabilityInwardsLocationInputConfiguration>(configuration);
+            Assert.IsNull(configuration.PenetrationLength);
+            Assert.IsNull(configuration.WaterLevelPolder);
+            Assert.IsNull(configuration.UseDefaultOffsets);
+            Assert.IsNull(configuration.PhreaticLineOffsetBelowDikeTopAtRiver);
+            Assert.IsNull(configuration.PhreaticLineOffsetBelowDikeTopAtPolder);
+            Assert.IsNull(configuration.PhreaticLineOffsetBelowShoulderBaseInside);
+            Assert.IsNull(configuration.PhreaticLineOffsetBelowDikeToeAtPolder);
+        }
+
+        [Test]
+        public void SimpleProperties_SetNewValues_NewValuesSet()
+        {
+            // Setup
+            const double penetrationLength = 1.1;
+            const double waterLevelPolder = 2.2;
+            const bool useDefaultOffsets = false;
+            const double phreaticLineOffsetBelowDikeTopAtRiver = 4.4;
+            const double phreaticLineOffsetBelowDikeTopAtPolder = 5.5;
+            const double phreaticLineOffsetBelowShoulderBaseInside = 6.6;
+            const double phreaticLineOffsetBelowDikeToeAtPolder = 7.7;
+
+            // Call
+            var configuration = new MacroStabilityInwardsLocationInputExtremeConfiguration
+            {
+                PenetrationLength = penetrationLength,
+                WaterLevelPolder = waterLevelPolder,
+                UseDefaultOffsets = useDefaultOffsets,
+                PhreaticLineOffsetBelowDikeTopAtRiver = phreaticLineOffsetBelowDikeTopAtRiver,
+                PhreaticLineOffsetBelowDikeTopAtPolder = phreaticLineOffsetBelowDikeTopAtPolder,
+                PhreaticLineOffsetBelowShoulderBaseInside = phreaticLineOffsetBelowShoulderBaseInside,
+                PhreaticLineOffsetBelowDikeToeAtPolder = phreaticLineOffsetBelowDikeToeAtPolder
+            };
+
+            // Assert
+            Assert.AreEqual(penetrationLength, configuration.PenetrationLength);
+            Assert.AreEqual(waterLevelPolder, configuration.WaterLevelPolder);
+            Assert.AreEqual(useDefaultOffsets, configuration.UseDefaultOffsets);
+            Assert.AreEqual(phreaticLineOffsetBelowDikeTopAtRiver, configuration.PhreaticLineOffsetBelowDikeTopAtRiver);
+            Assert.AreEqual(phreaticLineOffsetBelowDikeTopAtPolder, configuration.PhreaticLineOffsetBelowDikeTopAtPolder);
+            Assert.AreEqual(phreaticLineOffsetBelowShoulderBaseInside, configuration.PhreaticLineOffsetBelowShoulderBaseInside);
+            Assert.AreEqual(phreaticLineOffsetBelowDikeToeAtPolder, configuration.PhreaticLineOffsetBelowDikeToeAtPolder);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Ringtoets.MacroStabilityInwards.IO.Test.csproj
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Ringtoets.MacroStabilityInwards.IO.Test.csproj	(.../Ringtoets.MacroStabilityInwards.IO.Test.csproj)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Ringtoets.MacroStabilityInwards.IO.Test.csproj	(.../Ringtoets.MacroStabilityInwards.IO.Test.csproj)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -74,6 +74,7 @@
     <Compile Include="Configurations\MacroStabilityInwardsCalculationConfigurationSchemaIdentifiersTest.cs" />
     <Compile Include="Configurations\MacroStabilityInwardsGridConfigurationTest.cs" />
     <Compile Include="Configurations\MacroStabilityInwardsLocationInputConfigurationTest.cs" />
+    <Compile Include="Configurations\MacroStabilityInwardsLocationInputExtremeConfigurationTest.cs" />
     <Compile Include="Configurations\PhreaticLineConfigurationTest.cs" />
     <Compile Include="SoilProfiles\MacroStabilityInwardsPreconsolidationStressTransformerTest.cs" />
     <Compile Include="SoilProfiles\MacroStabilityInwardsSoilLayerTransformerTest.cs" />
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationIrrelevant.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationIrrelevant.xml	(.../calculationIrrelevant.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationIrrelevant.xml	(.../calculationIrrelevant.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -46,6 +46,17 @@
           <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>15.2</polderpeil>
+        <indringingslengte>16.2</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>15.21</buitenkruin>
+          <binnenkruin>15.22</binnenkruin>
+          <insteekbinnenberm>15.23</insteekbinnenberm>
+          <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithAssessmentLevel.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithAssessmentLevel.xml	(.../calculationWithAssessmentLevel.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithAssessmentLevel.xml	(.../calculationWithAssessmentLevel.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -46,6 +46,17 @@
           <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>15.2</polderpeil>
+        <indringingslengte>16.2</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>15.21</buitenkruin>
+          <binnenkruin>15.22</binnenkruin>
+          <insteekbinnenberm>15.23</insteekbinnenberm>
+          <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithInfinities.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithInfinities.xml	(.../calculationWithInfinities.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithInfinities.xml	(.../calculationWithInfinities.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -46,6 +46,17 @@
           <teendijkbinnenwaarts>-INF</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>-INF</polderpeil>
+        <indringingslengte>INF</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>-INF</buitenkruin>
+          <binnenkruin>-INF</binnenkruin>
+          <insteekbinnenberm>INF</insteekbinnenberm>
+          <teendijkbinnenwaarts>INF</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>-INF</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>INF</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithNaNs.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithNaNs.xml	(.../calculationWithNaNs.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithNaNs.xml	(.../calculationWithNaNs.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -46,6 +46,17 @@
           <teendijkbinnenwaarts>NaN</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>NaN</polderpeil>
+        <indringingslengte>NaN</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>NaN</buitenkruin>
+          <binnenkruin>NaN</binnenkruin>
+          <insteekbinnenberm>NaN</insteekbinnenberm>
+          <teendijkbinnenwaarts>NaN</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>NaN</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>NaN</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutHydraulicLocation.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutHydraulicLocation.xml	(.../calculationWithoutHydraulicLocation.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutHydraulicLocation.xml	(.../calculationWithoutHydraulicLocation.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -45,6 +45,17 @@
           <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>15.2</polderpeil>
+        <indringingslengte>16.2</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>15.21</buitenkruin>
+          <binnenkruin>15.22</binnenkruin>
+          <insteekbinnenberm>15.23</insteekbinnenberm>
+          <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSoilProfile.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSoilProfile.xml	(.../calculationWithoutSoilProfile.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSoilProfile.xml	(.../calculationWithoutSoilProfile.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -45,6 +45,17 @@
           <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>15.2</polderpeil>
+        <indringingslengte>16.2</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>15.21</buitenkruin>
+          <binnenkruin>15.22</binnenkruin>
+          <insteekbinnenberm>15.23</insteekbinnenberm>
+          <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSoilmodel.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSoilmodel.xml	(.../calculationWithoutSoilmodel.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSoilmodel.xml	(.../calculationWithoutSoilmodel.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -44,6 +44,17 @@
           <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>15.2</polderpeil>
+        <indringingslengte>16.2</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>15.21</buitenkruin>
+          <binnenkruin>15.22</binnenkruin>
+          <insteekbinnenberm>15.23</insteekbinnenberm>
+          <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSurfaceline.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSurfaceline.xml	(.../calculationWithoutSurfaceline.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/calculationWithoutSurfaceline.xml	(.../calculationWithoutSurfaceline.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -45,6 +45,17 @@
           <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
         </offsets>
       </dagelijks>
+      <extreem>
+        <polderpeil>15.2</polderpeil>
+        <indringingslengte>16.2</indringingslengte>
+        <offsets>
+          <gebruikdefaults>false</gebruikdefaults>
+          <buitenkruin>15.21</buitenkruin>
+          <binnenkruin>15.22</binnenkruin>
+          <insteekbinnenberm>15.23</insteekbinnenberm>
+          <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+        </offsets>
+      </extreem>
     </waterspanningen>
     <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
     <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/folderWithSubfolderAndCalculation.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/folderWithSubfolderAndCalculation.xml	(.../folderWithSubfolderAndCalculation.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationExporter/folderWithSubfolderAndCalculation.xml	(.../folderWithSubfolderAndCalculation.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -47,6 +47,17 @@
             <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
           </offsets>
         </dagelijks>
+        <extreem>
+          <polderpeil>15.2</polderpeil>
+          <indringingslengte>16.2</indringingslengte>
+          <offsets>
+            <gebruikdefaults>false</gebruikdefaults>
+            <buitenkruin>15.21</buitenkruin>
+            <binnenkruin>15.22</binnenkruin>
+            <insteekbinnenberm>15.23</insteekbinnenberm>
+            <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+          </offsets>
+        </extreem>
       </waterspanningen>
       <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
       <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
@@ -132,6 +143,17 @@
               <teendijkbinnenwaarts>2.24</teendijkbinnenwaarts>
             </offsets>
           </dagelijks>
+          <extreem>
+            <polderpeil>15.2</polderpeil>
+            <indringingslengte>16.2</indringingslengte>
+            <offsets>
+              <gebruikdefaults>false</gebruikdefaults>
+              <buitenkruin>15.21</buitenkruin>
+              <binnenkruin>15.22</binnenkruin>
+              <insteekbinnenberm>15.23</insteekbinnenberm>
+              <teendijkbinnenwaarts>15.24</teendijkbinnenwaarts>
+            </offsets>
+          </extreem>
         </waterspanningen>
         <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
         <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationWriter/folderWithSubfolderAndCalculation.xml
===================================================================
diff -u -r8b38b01d4375511d520c9dcea90d891c0fa4372a -rc4136f9deafeaf014ebb35c316f10bea91ee4d2e
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationWriter/folderWithSubfolderAndCalculation.xml	(.../folderWithSubfolderAndCalculation.xml)	(revision 8b38b01d4375511d520c9dcea90d891c0fa4372a)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/test-data/MacroStabilityInwardsCalculationConfigurationWriter/folderWithSubfolderAndCalculation.xml	(.../folderWithSubfolderAndCalculation.xml)	(revision c4136f9deafeaf014ebb35c316f10bea91ee4d2e)
@@ -48,6 +48,17 @@
             <teendijkbinnenwaarts>99.8</teendijkbinnenwaarts>
           </offsets>
         </dagelijks>
+        <extreem>
+          <polderpeil>199.9</polderpeil>
+          <indringingslengte>42</indringingslengte>
+          <offsets>
+            <gebruikdefaults>true</gebruikdefaults>
+            <buitenkruin>199.6</buitenkruin>
+            <binnenkruin>199.7</binnenkruin>
+            <insteekbinnenberm>199.5</insteekbinnenberm>
+            <teendijkbinnenwaarts>199.8</teendijkbinnenwaarts>
+          </offsets>
+        </extreem>
       </waterspanningen>
       <minimaleglijvlakdiepte>0.4</minimaleglijvlakdiepte>
       <minimaleglijvlaklengte>0.5</minimaleglijvlaklengte>