Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Service/WaveImpactAsphaltCoverWaveConditionsCalculationActivity.cs
===================================================================
diff -u -rd9c430e627971c179b06df7113a2e8af16f0ffd7 -rfcba59ca3530ada3cf38ae496931676bc98c2c4d
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Service/WaveImpactAsphaltCoverWaveConditionsCalculationActivity.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationActivity.cs)	(revision d9c430e627971c179b06df7113a2e8af16f0ffd7)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Service/WaveImpactAsphaltCoverWaveConditionsCalculationActivity.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationActivity.cs)	(revision fcba59ca3530ada3cf38ae496931676bc98c2c4d)
@@ -34,7 +34,6 @@
     internal class WaveImpactAsphaltCoverWaveConditionsCalculationActivity : CalculatableActivity
     {
         private readonly WaveImpactAsphaltCoverWaveConditionsCalculation calculation;
-        private readonly string hlcdFilePath;
         private readonly WaveImpactAsphaltCoverFailureMechanism failureMechanism;
         private readonly IAssessmentSection assessmentSection;
         private readonly WaveImpactAsphaltCoverWaveConditionsCalculationService calculationService;
@@ -43,21 +42,14 @@
         /// Creates a new instance of <see cref="WaveImpactAsphaltCoverWaveConditionsCalculationActivity"/>.
         /// </summary>
         /// <param name="calculation">The wave impact asphalt cover wave conditions data used for the calculation.</param>
-        /// <param name="hlcdFilePath">The directory of the HLCD file that should be used for performing the calculation.</param>
         /// <param name="failureMechanism">The failure mechanism the calculation belongs to.</param>
         /// <param name="assessmentSection">The assessment section the calculation belongs to.</param>
         /// <exception cref="ArgumentNullException">Thrown when any input argument is <c>null</c>.</exception>
         public WaveImpactAsphaltCoverWaveConditionsCalculationActivity(WaveImpactAsphaltCoverWaveConditionsCalculation calculation,
-                                                                       string hlcdFilePath,
                                                                        WaveImpactAsphaltCoverFailureMechanism failureMechanism,
                                                                        IAssessmentSection assessmentSection)
             : base(calculation)
         {
-            if (hlcdFilePath == null)
-            {
-                throw new ArgumentNullException(nameof(hlcdFilePath));
-            }
-
             if (failureMechanism == null)
             {
                 throw new ArgumentNullException(nameof(failureMechanism));
@@ -69,7 +61,6 @@
             }
 
             this.calculation = calculation;
-            this.hlcdFilePath = hlcdFilePath;
             this.failureMechanism = failureMechanism;
             this.assessmentSection = assessmentSection;
 
@@ -83,7 +74,7 @@
             return WaveImpactAsphaltCoverWaveConditionsCalculationService.Validate(calculation,
                                                                                    assessmentSection.GetAssessmentLevel(calculation.InputParameters.HydraulicBoundaryLocation,
                                                                                                                         calculation.InputParameters.CategoryType),
-                                                                                   hlcdFilePath,
+                                                                                   assessmentSection.HydraulicBoundaryDatabase.FilePath,
                                                                                    assessmentSection.HydraulicBoundaryDatabase.EffectivePreprocessorDirectory(),
                                                                                    assessmentSection.GetNorm(calculation.InputParameters.CategoryType));
         }
@@ -94,7 +85,7 @@
 
             WaveImpactAsphaltCoverDataSynchronizationService.ClearWaveConditionsCalculationOutput(calculation);
             calculationService.Calculate(
-                calculation, assessmentSection, failureMechanism.GeneralInput, hlcdFilePath);
+                calculation, assessmentSection, failureMechanism.GeneralInput, assessmentSection.HydraulicBoundaryDatabase.FilePath);
         }
 
         protected override void OnCancel()