diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..4deea50
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "Dichtheitspruefung"]
+	path = Dichtheitspruefung
+	url = https://git.maxlan.de/Cosysda/Dichtheitspruefung.git
diff --git a/Dichtheitspruefung b/Dichtheitspruefung
new file mode 160000
index 0000000..eca6539
--- /dev/null
+++ b/Dichtheitspruefung
@@ -0,0 +1 @@
+Subproject commit eca6539d09a039cb67e0eb67a628cc61ec56e189
diff --git a/SanSystem/SanSystem.csproj b/SanSystem/SanSystem.csproj
index f74b309..8b44dd2 100644
--- a/SanSystem/SanSystem.csproj
+++ b/SanSystem/SanSystem.csproj
@@ -349,6 +349,10 @@
       <Project>{b0227727-6cf9-4e2e-9afe-5dd76deaa9db}</Project>
       <Name>Database</Name>
     </ProjectReference>
+    <ProjectReference Include="..\Dichtheitspruefung\Dichtheitsprüfung\Dichtheitsprüfung.csproj">
+      <Project>{324277c6-2eb3-47b7-9dd5-7fa520e7d349}</Project>
+      <Name>Dichtheitsprüfung</Name>
+    </ProjectReference>
     <ProjectReference Include="..\KlassenBIB\KlassenBIB.csproj">
       <Project>{c82bd650-466b-403f-bed9-2b1660771f54}</Project>
       <Name>KlassenBIB</Name>
diff --git a/SanVerwaltung.sln b/SanVerwaltung.sln
index 0e2ab98..df946f1 100644
--- a/SanVerwaltung.sln
+++ b/SanVerwaltung.sln
@@ -31,6 +31,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CSVParser", "CSVParser\CSVP
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{DDF8C748-82A0-4FFC-8EE1-9C81C26A75E3}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Dichtheitsprüfung", "Dichtheitspruefung\Dichtheitsprüfung\Dichtheitsprüfung.csproj", "{324277C6-2EB3-47B7-9DD5-7FA520E7D349}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -85,6 +87,10 @@ Global
 		{3F79BD28-9BF6-4902-8977-41E9E71F8488}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3F79BD28-9BF6-4902-8977-41E9E71F8488}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3F79BD28-9BF6-4902-8977-41E9E71F8488}.Release|Any CPU.Build.0 = Release|Any CPU
+		{324277C6-2EB3-47B7-9DD5-7FA520E7D349}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{324277C6-2EB3-47B7-9DD5-7FA520E7D349}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{324277C6-2EB3-47B7-9DD5-7FA520E7D349}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{324277C6-2EB3-47B7-9DD5-7FA520E7D349}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE