Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresCalculation.cs
===================================================================
diff -u -r8047e7fd59525ed424105aaefc4ee88b9ae8def6 -r7ddd944b70d252ae493bba48ea9b31c01634082d
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresCalculation.cs	(.../HeightStructuresCalculation.cs)	(revision 8047e7fd59525ed424105aaefc4ee88b9ae8def6)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Data/HeightStructuresCalculation.cs	(.../HeightStructuresCalculation.cs)	(revision 7ddd944b70d252ae493bba48ea9b31c01634082d)
@@ -22,6 +22,7 @@
 using System;
 using Core.Common.Base;
 using Ringtoets.Common.Data.Calculation;
+using Ringtoets.Common.Data.Probability;
 using Ringtoets.HeightStructures.Data.Properties;
 
 namespace Ringtoets.HeightStructures.Data
@@ -34,11 +35,21 @@
         /// <summary>
         /// Creates a new instance of <see cref="HeightStructuresCalculation"/>.
         /// </summary>
-        /// <param name="generalInputParameters">General grass cover erosion inwards calculation input parameters that apply to each calculation.</param>
-        /// <exception cref="ArgumentNullException">When <paramref name="generalInputParameters"/> is <c>null</c>.</exception>
-        public HeightStructuresCalculation(GeneralHeightStructuresInput generalInputParameters)
+        /// <param name="generalInputParameters">General height structures calculation input parameters that apply to each calculation.</param>
+        /// <param name="normProbabilityInput">General norm probabilistic parameters that apply to each 
+        /// calculation.</param>
+        /// <exception cref="ArgumentNullException">Thrown when <list type="bullet">
+        /// <item><paramref name="generalInputParameters"/> is <c>null</c>.</item>
+        /// <item><paramref name="normProbabilityInput"/> is <c>null</c>.</item>
+        /// </list> </exception>
+        public HeightStructuresCalculation(GeneralHeightStructuresInput generalInputParameters, NormProbabilityInput normProbabilityInput)
         {
+            if (normProbabilityInput == null)
+            {
+                throw new ArgumentNullException("normProbabilityInput");
+            }
             InputParameters = new HeightStructuresInput(generalInputParameters);
+            NormProbabilityInput = normProbabilityInput;
             Name = Resources.HeightStructuresCalculation_DefaultName;
         }
 
@@ -48,6 +59,11 @@
         public HeightStructuresInput InputParameters { get; private set; }
 
         /// <summary>
+        /// Gets the length-effect parameters.
+        /// </summary>
+        public NormProbabilityInput NormProbabilityInput { get; private set; }
+
+        /// <summary>
         /// Gets or sets <see cref="ProbabilisticOutput"/>, which contains the results of a height structures calculation.
         /// </summary>
         public ProbabilisticOutput Output { get; set; }