Index: Riskeer/Piping/src/Riskeer.Piping.Data/IPipingCalculationScenario.cs
===================================================================
diff -u
--- Riskeer/Piping/src/Riskeer.Piping.Data/IPipingCalculationScenario.cs	(revision 0)
+++ Riskeer/Piping/src/Riskeer.Piping.Data/IPipingCalculationScenario.cs	(revision 8059926760ef4b5b0b341211af7c15ac7c6fb85c)
@@ -0,0 +1,32 @@
+// Copyright (C) Stichting Deltares 2019. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer 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 Riskeer.Common.Data.Calculation;
+
+namespace Riskeer.Piping.Data
+{
+    /// <summary>
+    /// Interface that represents information about a calculation scenario for the <see cref="PipingFailureMechanism"/>.
+    /// </summary>
+    /// <typeparam name="TPipingInput">The type of calculation scenario input.</typeparam>
+    public interface IPipingCalculationScenario<out TPipingInput> : ICalculation<TPipingInput>, ICalculationScenario
+        where TPipingInput : PipingInput {}
+}
\ No newline at end of file
Index: Riskeer/Piping/src/Riskeer.Piping.Data/Probabilistic/ProbabilisticPipingCalculationScenario.cs
===================================================================
diff -u -rae1fc3da7b61fbfc16567aecd516c15e6efbfa2a -r8059926760ef4b5b0b341211af7c15ac7c6fb85c
--- Riskeer/Piping/src/Riskeer.Piping.Data/Probabilistic/ProbabilisticPipingCalculationScenario.cs	(.../ProbabilisticPipingCalculationScenario.cs)	(revision ae1fc3da7b61fbfc16567aecd516c15e6efbfa2a)
+++ Riskeer/Piping/src/Riskeer.Piping.Data/Probabilistic/ProbabilisticPipingCalculationScenario.cs	(.../ProbabilisticPipingCalculationScenario.cs)	(revision 8059926760ef4b5b0b341211af7c15ac7c6fb85c)
@@ -27,7 +27,7 @@
     /// <summary>
     /// This class holds the information for a probabilistic piping calculation scenario.
     /// </summary>
-    public class ProbabilisticPipingCalculationScenario : ProbabilisticPipingCalculation, ICalculationScenario
+    public class ProbabilisticPipingCalculationScenario : ProbabilisticPipingCalculation, IPipingCalculationScenario<ProbabilisticPipingInput>
     {
         private RoundedDouble contribution;
 
Index: Riskeer/Piping/src/Riskeer.Piping.Data/SemiProbabilistic/SemiProbabilisticPipingCalculationScenario.cs
===================================================================
diff -u -r22ebadbb53446002fd1f089a4441fdfb0b928fe5 -r8059926760ef4b5b0b341211af7c15ac7c6fb85c
--- Riskeer/Piping/src/Riskeer.Piping.Data/SemiProbabilistic/SemiProbabilisticPipingCalculationScenario.cs	(.../SemiProbabilisticPipingCalculationScenario.cs)	(revision 22ebadbb53446002fd1f089a4441fdfb0b928fe5)
+++ Riskeer/Piping/src/Riskeer.Piping.Data/SemiProbabilistic/SemiProbabilisticPipingCalculationScenario.cs	(.../SemiProbabilisticPipingCalculationScenario.cs)	(revision 8059926760ef4b5b0b341211af7c15ac7c6fb85c)
@@ -27,7 +27,7 @@
     /// <summary>
     /// This class holds the information for a semi-probabilistic piping calculation scenario.
     /// </summary>
-    public class SemiProbabilisticPipingCalculationScenario : SemiProbabilisticPipingCalculation, ICalculationScenario
+    public class SemiProbabilisticPipingCalculationScenario : SemiProbabilisticPipingCalculation, IPipingCalculationScenario<SemiProbabilisticPipingInput>
     {
         private RoundedDouble contribution;
 
Index: Riskeer/Piping/test/Riskeer.Piping.Data.Test/Probabilistic/ProbabilisticPipingCalculationScenarioTest.cs
===================================================================
diff -u -r7fd4637720024016b375a42ba17657011a4cf9e1 -r8059926760ef4b5b0b341211af7c15ac7c6fb85c
--- Riskeer/Piping/test/Riskeer.Piping.Data.Test/Probabilistic/ProbabilisticPipingCalculationScenarioTest.cs	(.../ProbabilisticPipingCalculationScenarioTest.cs)	(revision 7fd4637720024016b375a42ba17657011a4cf9e1)
+++ Riskeer/Piping/test/Riskeer.Piping.Data.Test/Probabilistic/ProbabilisticPipingCalculationScenarioTest.cs	(.../ProbabilisticPipingCalculationScenarioTest.cs)	(revision 8059926760ef4b5b0b341211af7c15ac7c6fb85c)
@@ -42,7 +42,7 @@
 
             // Assert
             Assert.IsInstanceOf<ProbabilisticPipingCalculation>(scenario);
-            Assert.IsInstanceOf<ICalculationScenario>(scenario);
+            Assert.IsInstanceOf<IPipingCalculationScenario<ProbabilisticPipingInput>>(scenario);
 
             Assert.IsTrue(scenario.IsRelevant);
             Assert.AreEqual(4, scenario.Contribution.NumberOfDecimalPlaces);
Index: Riskeer/Piping/test/Riskeer.Piping.Data.Test/SemiProbabilistic/SemiProbabilisticPipingCalculationScenarioTest.cs
===================================================================
diff -u -r22ebadbb53446002fd1f089a4441fdfb0b928fe5 -r8059926760ef4b5b0b341211af7c15ac7c6fb85c
--- Riskeer/Piping/test/Riskeer.Piping.Data.Test/SemiProbabilistic/SemiProbabilisticPipingCalculationScenarioTest.cs	(.../SemiProbabilisticPipingCalculationScenarioTest.cs)	(revision 22ebadbb53446002fd1f089a4441fdfb0b928fe5)
+++ Riskeer/Piping/test/Riskeer.Piping.Data.Test/SemiProbabilistic/SemiProbabilisticPipingCalculationScenarioTest.cs	(.../SemiProbabilisticPipingCalculationScenarioTest.cs)	(revision 8059926760ef4b5b0b341211af7c15ac7c6fb85c)
@@ -42,7 +42,7 @@
 
             // Assert
             Assert.IsInstanceOf<SemiProbabilisticPipingCalculation>(scenario);
-            Assert.IsInstanceOf<ICalculationScenario>(scenario);
+            Assert.IsInstanceOf<IPipingCalculationScenario<SemiProbabilisticPipingInput>>(scenario);
 
             Assert.IsTrue(scenario.IsRelevant);
             Assert.AreEqual(4, scenario.Contribution.NumberOfDecimalPlaces);