diff --git a/ReportImp/AidshilfeEssen/AidshilfeEssen.csproj b/ReportImp/AidshilfeEssen/AidshilfeEssen.csproj
index b1b6354d2..07643356e 100644
--- a/ReportImp/AidshilfeEssen/AidshilfeEssen.csproj
+++ b/ReportImp/AidshilfeEssen/AidshilfeEssen.csproj
@@ -63,6 +63,7 @@
     <Compile Include="ServiceInvoiceReport.Designer.cs">
       <DependentUpon>ServiceInvoiceReport.cs</DependentUpon>
     </Compile>
+    <Compile Include="Service\CustomGroupDurationCalculator.cs" />
     <Compile Include="Service\ServiceRecordDurationCalculator.cs" />
     <Compile Include="SettlementReport2.cs">
       <SubType>Component</SubType>
diff --git a/ReportImp/AidshilfeEssen/Service/CustomGroupDurationCalculator.cs b/ReportImp/AidshilfeEssen/Service/CustomGroupDurationCalculator.cs
new file mode 100644
index 000000000..c58de2fbe
--- /dev/null
+++ b/ReportImp/AidshilfeEssen/Service/CustomGroupDurationCalculator.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using BeWo.Data.Entities;
+using BeWo.Service.Plugins;
+using BS.Shared.Core;
+using BS.Shared.DataContracts;
+
+namespace AidshilfeEssen.Calculations
+{
+    public class CustomGroupDurationCalculator : GroupDurationCalculator
+    {
+        public override void CalculateGroupDuration(ServiceRecordGroup group)
+        {
+            base.CalculateGroupDuration(group);
+
+            foreach (var sr in group.ServiceRecordList)
+            {
+                if (sr.ServiceDescription.ServiceCategory.Name.ToLower().Contains("67") && (sr.ServiceDescription.ServiceCategory.Name.ToLower().Contains("lvr") || sr.ServiceDescription.ServiceCategory.Name.ToLower().Contains("lwl")))
+                {
+                    sr.RoundedDuration = Math.Floor(sr.RoundedDuration / 10) * 10;
+                }
+            }
+        }
+    }
+}