diff --git a/PlumbingRepair/PlumbingRepair.sln b/PlumbingRepair/PlumbingRepair.sln
index 049c5af..15ecd93 100644
--- a/PlumbingRepair/PlumbingRepair.sln
+++ b/PlumbingRepair/PlumbingRepair.sln
@@ -3,7 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PlumbingRepair", "PlumbingRepair\PlumbingRepair.csproj", "{F0AEA1F3-7D99-4EC1-B79F-97E6927ECBCA}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PlumbingRepair", "PlumbingRepair\PlumbingRepair.csproj", "{F0AEA1F3-7D99-4EC1-B79F-97E6927ECBCA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PlumbingRepairDataModels", "PlumbingRepairDataModels\PlumbingRepairDataModels.csproj", "{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +17,10 @@ Global
 		{F0AEA1F3-7D99-4EC1-B79F-97E6927ECBCA}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F0AEA1F3-7D99-4EC1-B79F-97E6927ECBCA}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F0AEA1F3-7D99-4EC1-B79F-97E6927ECBCA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{90DD7D7A-91FD-403D-8D3A-FE8842AA5848}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/PlumbingRepair/PlumbingRepairDataModels/Enums/OrderStatus.cs b/PlumbingRepair/PlumbingRepairDataModels/Enums/OrderStatus.cs
new file mode 100644
index 0000000..945f357
--- /dev/null
+++ b/PlumbingRepair/PlumbingRepairDataModels/Enums/OrderStatus.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PlumbingRepairDataModels.Enums
+{
+    public enum OrderStatus
+    {
+        Неизвестен = -1,
+        Принят = 0,
+        Выполняется = 1,
+        Готов = 2,
+        Выдан = 3
+    }
+}
diff --git a/PlumbingRepair/PlumbingRepairDataModels/IId.cs b/PlumbingRepair/PlumbingRepairDataModels/IId.cs
new file mode 100644
index 0000000..a3fe7a2
--- /dev/null
+++ b/PlumbingRepair/PlumbingRepairDataModels/IId.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PlumbingRepairDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}
diff --git a/PlumbingRepair/PlumbingRepairDataModels/Models/IComponentModel.cs b/PlumbingRepair/PlumbingRepairDataModels/Models/IComponentModel.cs
new file mode 100644
index 0000000..183a6fc
--- /dev/null
+++ b/PlumbingRepair/PlumbingRepairDataModels/Models/IComponentModel.cs
@@ -0,0 +1,8 @@
+namespace PlumbingRepairDataModels.Models
+{
+    public interface IComponentModel : IId
+    {
+        string ComponentName { get; }
+        double Cost { get; }
+    }
+}
diff --git a/PlumbingRepair/PlumbingRepairDataModels/Models/IOrderModel.cs b/PlumbingRepair/PlumbingRepairDataModels/Models/IOrderModel.cs
new file mode 100644
index 0000000..96c83f4
--- /dev/null
+++ b/PlumbingRepair/PlumbingRepairDataModels/Models/IOrderModel.cs
@@ -0,0 +1,15 @@
+using PlumbingRepairDataModels.Enums;
+
+namespace PlumbingRepairDataModels.Models
+{
+    public interface IOrderModel : IId
+    {
+        int WorkId { get; }
+        string WorkName { get; }
+        int Count { get; }
+        double Sum { get; }
+        OrderStatus Status { get; }
+        DateTime DateCreate { get; }
+        DateTime? DateImplement { get; }
+    }
+}
diff --git a/PlumbingRepair/PlumbingRepairDataModels/Models/IWorkModel.cs b/PlumbingRepair/PlumbingRepairDataModels/Models/IWorkModel.cs
new file mode 100644
index 0000000..420db6a
--- /dev/null
+++ b/PlumbingRepair/PlumbingRepairDataModels/Models/IWorkModel.cs
@@ -0,0 +1,9 @@
+namespace PlumbingRepairDataModels.Models
+{
+    public interface IWorkModel : IId
+    {
+        string WorkName { get; }
+        double Price { get; }
+        Dictionary<int, (IComponentModel, int)> WorkComponents { get; }
+    }
+}
diff --git a/PlumbingRepair/PlumbingRepairDataModels/PlumbingRepairDataModels.csproj b/PlumbingRepair/PlumbingRepairDataModels/PlumbingRepairDataModels.csproj
new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/PlumbingRepair/PlumbingRepairDataModels/PlumbingRepairDataModels.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>