Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Calculator/IStructuresStabilityPointCalculator.cs
===================================================================
diff -u
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Calculator/IStructuresStabilityPointCalculator.cs	(revision 0)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Calculator/IStructuresStabilityPointCalculator.cs	(revision ae3f19fd6f65363369b4a903ca75d35e65af8751)
@@ -0,0 +1,54 @@
+// Copyright (C) Stichting Deltares 2016. 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 Ringtoets.HydraRing.Calculation.Data.Input.Structures;
+
+namespace Ringtoets.HydraRing.Calculation.Calculator
+{
+    /// <summary>
+    /// Interface for a calculator calculating probability of failure by a structural failure structure. 
+    /// This is used in a structural failure structures assessment.
+    /// </summary>
+    public interface IStructuresStabilityPointCalculator
+    {
+        /// <summary>
+        /// Gets the probability of failure.
+        /// </summary>
+        double ExceedanceProbabilityBeta { get; }
+
+        /// <summary>
+        /// Gets the content of the output file generated during the Hydra-Ring calculation.
+        /// </summary>
+        string OutputFileContent { get; }
+
+        /// <summary>
+        /// Performs the actual calculation by running the Hydra-Ring executable.
+        /// </summary>
+        /// <param name="input">The <see cref="StructuresStabilityPointCalculationInput"/> which contains all the necessary input
+        /// for the calculation.</param>
+        void Calculate(StructuresStabilityPointCalculationInput input);
+
+        /// <summary>
+        /// Cancels any currently running Hydra-Ring calculation.
+        /// </summary>
+        void Cancel();
+    }
+}
\ No newline at end of file
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Calculator/StructuresStabilityPointCalculator.cs
===================================================================
diff -u
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Calculator/StructuresStabilityPointCalculator.cs	(revision 0)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Calculator/StructuresStabilityPointCalculator.cs	(revision ae3f19fd6f65363369b4a903ca75d35e65af8751)
@@ -0,0 +1,71 @@
+// Copyright (C) Stichting Deltares 2016. 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 System;
+using System.Collections.Generic;
+using Ringtoets.HydraRing.Calculation.Data;
+using Ringtoets.HydraRing.Calculation.Data.Input.Structures;
+using Ringtoets.HydraRing.Calculation.Parsers;
+
+namespace Ringtoets.HydraRing.Calculation.Calculator
+{
+    /// <summary>
+    /// Interface for a calculator calculating probability of failure by a structural failure structure. 
+    /// This is used in a structural failure structures assessment.
+    /// </summary>
+    internal class StructuresStabilityPointCalculator : HydraRingCalculatorBase, IStructuresStabilityPointCalculator
+    {
+        private readonly ExceedanceProbabilityCalculationParser exceedanceProbabilityCalculationParser;
+
+        /// <summary>
+        /// Creates a new instance of <see cref="StructuresStabilityPointCalculator"/>.
+        /// </summary>
+        /// <param name="hlcdDirectory">The directory in which the hydraulic boundary database can be found.</param>
+        /// <param name="ringId">The id of the assessment section which is used in the calculation.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <paramref name="hlcdDirectory"/> is <c>null</c>.</exception>
+        public StructuresStabilityPointCalculator(string hlcdDirectory, string ringId)
+            : base(hlcdDirectory, ringId)
+        {
+            exceedanceProbabilityCalculationParser = new ExceedanceProbabilityCalculationParser();
+            ExceedanceProbabilityBeta = double.NaN;
+        }
+
+        public double ExceedanceProbabilityBeta { get; private set; }
+
+        public void Calculate(StructuresStabilityPointCalculationInput input)
+        {
+            Calculate(HydraRingUncertaintiesType.All, input);
+        }
+
+        protected override void SetOutputs()
+        {
+            if (exceedanceProbabilityCalculationParser.Output != null)
+            {
+                ExceedanceProbabilityBeta = exceedanceProbabilityCalculationParser.Output.Beta;
+            }
+        }
+
+        protected override IEnumerable<IHydraRingFileParser> GetParsers()
+        {
+            yield return exceedanceProbabilityCalculationParser;
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Ringtoets.HydraRing.Calculation.csproj
===================================================================
diff -u -r7d7217b5823e5008579462c990e259e2bb5b4018 -rae3f19fd6f65363369b4a903ca75d35e65af8751
--- Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Ringtoets.HydraRing.Calculation.csproj	(.../Ringtoets.HydraRing.Calculation.csproj)	(revision 7d7217b5823e5008579462c990e259e2bb5b4018)
+++ Ringtoets/HydraRing/src/Ringtoets.HydraRing.Calculation/Ringtoets.HydraRing.Calculation.csproj	(.../Ringtoets.HydraRing.Calculation.csproj)	(revision ae3f19fd6f65363369b4a903ca75d35e65af8751)
@@ -52,6 +52,7 @@
     <Compile Include="Calculator\Factory\HydraRingCalculatorFactory.cs" />
     <Compile Include="Calculator\Factory\IHydraRingCalculatorFactory.cs" />
     <Compile Include="Calculator\IStructuresClosureCalculator.cs" />
+    <Compile Include="Calculator\IStructuresStabilityPointCalculator.cs" />
     <Compile Include="Calculator\StructuresClosureCalculator.cs" />
     <Compile Include="Calculator\StructuresOvertoppingCalculator.cs" />
     <Compile Include="Calculator\IDesignWaterLevelCalculator.cs" />
@@ -60,6 +61,7 @@
     <Compile Include="Calculator\IOvertoppingCalculator.cs" />
     <Compile Include="Calculator\IWaveConditionsCosineCalculator.cs" />
     <Compile Include="Calculator\IWaveHeightCalculator.cs" />
+    <Compile Include="Calculator\StructuresStabilityPointCalculator.cs" />
     <Compile Include="Calculator\WaveConditionsCosineCalculator.cs" />
     <Compile Include="Calculator\WaveHeightCalculator.cs" />
     <Compile Include="Calculator\DesignWaterLevelCalculator.cs" />
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Calculator/StructuresClosureCalculatorTest.cs
===================================================================
diff -u -r7d7217b5823e5008579462c990e259e2bb5b4018 -rae3f19fd6f65363369b4a903ca75d35e65af8751
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Calculator/StructuresClosureCalculatorTest.cs	(.../StructuresClosureCalculatorTest.cs)	(revision 7d7217b5823e5008579462c990e259e2bb5b4018)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Calculator/StructuresClosureCalculatorTest.cs	(.../StructuresClosureCalculatorTest.cs)	(revision ae3f19fd6f65363369b4a903ca75d35e65af8751)
@@ -35,6 +35,7 @@
 
             // Assert
             Assert.IsInstanceOf<HydraRingCalculatorBase>(calculator);
+            Assert.IsInstanceOf<IStructuresClosureCalculator>(calculator);
             Assert.IsNaN(calculator.ExceedanceProbabilityBeta);
             Assert.IsNull(calculator.OutputFileContent);
         }
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Calculator/StructuresStabilityPointCalculatorTest.cs
===================================================================
diff -u
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Calculator/StructuresStabilityPointCalculatorTest.cs	(revision 0)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Calculator/StructuresStabilityPointCalculatorTest.cs	(revision ae3f19fd6f65363369b4a903ca75d35e65af8751)
@@ -0,0 +1,43 @@
+// Copyright (C) Stichting Deltares 2016. 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.HydraRing.Calculation.Calculator;
+
+namespace Ringtoets.HydraRing.Calculation.Test.Calculator
+{
+    [TestFixture]
+    public class StructuresStabilityPointCalculatorTest
+    {
+        [Test]
+        public void DefaultConstructor_InitializesOutputWithoutValues()
+        {
+            // Call
+            var calculator = new StructuresStabilityPointCalculator(string.Empty, string.Empty);
+
+            // Assert
+            Assert.IsInstanceOf<HydraRingCalculatorBase>(calculator);
+            Assert.IsInstanceOf<IStructuresStabilityPointCalculator>(calculator);
+            Assert.IsNaN(calculator.ExceedanceProbabilityBeta);
+            Assert.IsNull(calculator.OutputFileContent);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Ringtoets.HydraRing.Calculation.Test.csproj
===================================================================
diff -u -r7d7217b5823e5008579462c990e259e2bb5b4018 -rae3f19fd6f65363369b4a903ca75d35e65af8751
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Ringtoets.HydraRing.Calculation.Test.csproj	(.../Ringtoets.HydraRing.Calculation.Test.csproj)	(revision 7d7217b5823e5008579462c990e259e2bb5b4018)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Ringtoets.HydraRing.Calculation.Test.csproj	(.../Ringtoets.HydraRing.Calculation.Test.csproj)	(revision ae3f19fd6f65363369b4a903ca75d35e65af8751)
@@ -61,6 +61,7 @@
     <Compile Include="Calculator\OvertoppingCalculatorTest.cs" />
     <Compile Include="Calculator\StructuresClosureCalculatorTest.cs" />
     <Compile Include="Calculator\StructuresOvertoppingCalculatorTest.cs" />
+    <Compile Include="Calculator\StructuresStabilityPointCalculatorTest.cs" />
     <Compile Include="Calculator\WaveConditionsCosineCalculatorTest.cs" />
     <Compile Include="Calculator\WaveHeightCalculatorTest.cs" />
     <Compile Include="Data\HydraRingBreakWaterTest.cs" />