Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/MacroStabilityInwardsCalculationService.cs
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diff -u -ra37adf7a6d10fa2c6a069bc6d423a14c22ead9ea -r82014e97419537804be86264d0ed501637ccd10f
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/MacroStabilityInwardsCalculationService.cs	(.../MacroStabilityInwardsCalculationService.cs)	(revision a37adf7a6d10fa2c6a069bc6d423a14c22ead9ea)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Service/MacroStabilityInwardsCalculationService.cs	(.../MacroStabilityInwardsCalculationService.cs)	(revision 82014e97419537804be86264d0ed501637ccd10f)
@@ -190,12 +190,10 @@
                     AssessmentLevel = inputParameters.AssessmentLevel,
                     SurfaceLine = inputParameters.SurfaceLine,
                     SoilProfile = UpliftVanSoilProfileConverter.Convert(inputParameters.SoilProfileUnderSurfaceLine),
+                    DrainageConstruction = UpliftVanDrainageConstructionConverter.Convert(inputParameters),
                     DikeSoilScenario = inputParameters.DikeSoilScenario,
                     WaterLevelRiverAverage = inputParameters.WaterLevelRiverAverage,
                     WaterLevelPolder = inputParameters.WaterLevelPolder,
-                    DrainageConstructionPresent = inputParameters.DrainageConstructionPresent,
-                    XCoordinateDrainageConstruction = inputParameters.DrainageConstructionPresent ? inputParameters.XCoordinateDrainageConstruction : double.NaN,
-                    ZCoordinateDrainageConstruction = inputParameters.DrainageConstructionPresent ? inputParameters.ZCoordinateDrainageConstruction : double.NaN,
                     MinimumLevelPhreaticLineAtDikeTopRiver = inputParameters.MinimumLevelPhreaticLineAtDikeTopRiver,
                     MinimumLevelPhreaticLineAtDikeTopPolder = inputParameters.MinimumLevelPhreaticLineAtDikeTopPolder,
                     UseDefaultOffsets = inputParameters.UseDefaultOffsets,