Index: DamFailureMechanisms/damPiping/trunk/src/DamPiping.sln
===================================================================
diff -u -r4360 -r4363
--- DamFailureMechanisms/damPiping/trunk/src/DamPiping.sln	(.../DamPiping.sln)	(revision 4360)
+++ DamFailureMechanisms/damPiping/trunk/src/DamPiping.sln	(.../DamPiping.sln)	(revision 4363)
@@ -4,6 +4,13 @@
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Deltares.DamPiping.BlighCalculator.Tests", "Deltares.DamPiping.BlighCalculator.Tests\Deltares.DamPiping.BlighCalculator.Tests.csproj", "{2D4EF30E-DCE8-4066-8E9F-9377DBD35FB4}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{BBF87314-94AC-4F83-9637-05F15DB0E4BF}"
+	ProjectSection(SolutionItems) = preProject
+		build\Base.targets = build\Base.targets
+		build\Source.targets = build\Source.targets
+		build\Test.targets = build\Test.targets
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
Index: DamFailureMechanisms/damPiping/trunk/src/Deltares.DamPiping.BlighCalculator.Tests/Deltares.DamPiping.BlighCalculator.Tests.csproj
===================================================================
diff -u -r4361 -r4363
--- DamFailureMechanisms/damPiping/trunk/src/Deltares.DamPiping.BlighCalculator.Tests/Deltares.DamPiping.BlighCalculator.Tests.csproj	(.../Deltares.DamPiping.BlighCalculator.Tests.csproj)	(revision 4361)
+++ DamFailureMechanisms/damPiping/trunk/src/Deltares.DamPiping.BlighCalculator.Tests/Deltares.DamPiping.BlighCalculator.Tests.csproj	(.../Deltares.DamPiping.BlighCalculator.Tests.csproj)	(revision 4363)
@@ -2,9 +2,10 @@
     <Import Project="$(SolutionDir)build\Test.targets"/>
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
+        <OutputType>Library</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
Index: DamFailureMechanisms/damPiping/trunk/src/build/Base.targets
===================================================================
diff -u -r4362 -r4363
--- DamFailureMechanisms/damPiping/trunk/src/build/Base.targets	(.../Base.targets)	(revision 4362)
+++ DamFailureMechanisms/damPiping/trunk/src/build/Base.targets	(.../Base.targets)	(revision 4363)
@@ -3,7 +3,7 @@
     <OutputPath>$(SolutionDir)\bin\$(Configuration)\</OutputPath>
     <Platforms>AnyCPU</Platforms>
     <AppendTargetFrameworkToOutputPath>false</AppendTargetFrameworkToOutputPath>
-    <TargetFramework>net461</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <LangVersion>latest</LangVersion>
     <Company>Deltares</Company>
     <Copyright>Copyright © Deltares $([System.DateTime]::Today.ToString(yyyy))</Copyright>
Index: DamFailureMechanisms/damPiping/trunk/src/Deltares.DamPiping.BlighCalculator/Deltares.DamPiping.BlighCalculator.csproj
===================================================================
diff -u -r4361 -r4363
--- DamFailureMechanisms/damPiping/trunk/src/Deltares.DamPiping.BlighCalculator/Deltares.DamPiping.BlighCalculator.csproj	(.../Deltares.DamPiping.BlighCalculator.csproj)	(revision 4361)
+++ DamFailureMechanisms/damPiping/trunk/src/Deltares.DamPiping.BlighCalculator/Deltares.DamPiping.BlighCalculator.csproj	(.../Deltares.DamPiping.BlighCalculator.csproj)	(revision 4363)
@@ -1,7 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <Import Project="$(SolutionDir)build\Source.targets"/>
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>