diff --git a/Persistence.API/Controllers/DataSaubController.cs b/Persistence.API/Controllers/DataSaubController.cs
index 63069a9..202e527 100644
--- a/Persistence.API/Controllers/DataSaubController.cs
+++ b/Persistence.API/Controllers/DataSaubController.cs
@@ -4,6 +4,10 @@ using Persistence.Repositories;
 using Persistence.Repository.Data;
 
 namespace Persistence.API.Controllers;
+
+/// <summary>
+/// Работа с временными данными
+/// </summary>
 [ApiController]
 [Authorize]
 [Route("api/[controller]")]
diff --git a/Persistence.API/Controllers/SetpointController.cs b/Persistence.API/Controllers/SetpointController.cs
index 9a6bd61..42a5ff5 100644
--- a/Persistence.API/Controllers/SetpointController.cs
+++ b/Persistence.API/Controllers/SetpointController.cs
@@ -1,53 +1,112 @@
-using Microsoft.AspNetCore.Authorization;
+using System.Net;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Persistence.Models;
 using Persistence.Repositories;
 
-namespace Persistence.API.Controllers
+namespace Persistence.API.Controllers;
+
+/// <summary>
+/// Работа с уставками
+/// </summary>
+[ApiController]
+[Authorize]
+[Route("api/[controller]")]
+public class SetpointController : ControllerBase, ISetpointApi
 {
-	[ApiController]
-	[Authorize]
-	[Route("api/[controller]")]
-	public class SetpointController : ControllerBase, ISetpointApi
+	private readonly ISetpointRepository setpointRepository;
+
+	public SetpointController(ISetpointRepository setpointRepository)
 	{
-		private readonly ISetpointRepository setpointRepository;
+		this.setpointRepository = setpointRepository;
+	}
 
-		public SetpointController(ISetpointRepository setpointRepository)
-		{
-			this.setpointRepository = setpointRepository;
-		}
+	/// <summary>
+	/// Получить актуальные значения уставок
+	/// </summary>
+	/// <param name="setpointKeys"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("current")]
+	public async Task<ActionResult<IEnumerable<SetpointValueDto>>> GetCurrent([FromQuery] IEnumerable<Guid> setpointKeys, CancellationToken token)
+	{
+		var result = await setpointRepository.GetCurrent(setpointKeys, token);
 
-		[HttpGet("current")]
-		public async Task<ActionResult<IEnumerable<SetpointValueDto>>> GetCurrent([FromQuery] IEnumerable<Guid> setpointKeys, CancellationToken token)
-		{
-			var result = await setpointRepository.GetCurrent(setpointKeys, token);
+		return Ok(result);
+	}
 
-			return Ok(result);
-		}
+	/// <summary>
+	/// Получить значения уставок за определенный момент времени
+	/// </summary>
+	/// <param name="setpointKeys"></param>
+	/// <param name="historyMoment"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("history")]
+	public async Task<ActionResult<IEnumerable<SetpointValueDto>>> GetHistory([FromQuery] IEnumerable<Guid> setpointKeys, [FromQuery] DateTimeOffset historyMoment, CancellationToken token)
+	{
+		var result = await setpointRepository.GetHistory(setpointKeys, historyMoment, token);
 
-		[HttpGet("history")]
-		public async Task<ActionResult<IEnumerable<SetpointValueDto>>> GetHistory([FromQuery] IEnumerable<Guid> setpointKeys, [FromQuery] DateTimeOffset historyMoment, CancellationToken token)
-		{
-			var result = await setpointRepository.GetHistory(setpointKeys, historyMoment, token);
+		return Ok(result);
+	}
 
-			return Ok(result);
-		}
+	/// <summary>
+	/// Получить историю изменений значений уставок
+	/// </summary>
+	/// <param name="setpointKeys"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("log")]
+	public async Task<ActionResult<Dictionary<Guid, IEnumerable<SetpointLogDto>>>> GetLog([FromQuery] IEnumerable<Guid> setpointKeys, CancellationToken token)
+	{
+		var result = await setpointRepository.GetLog(setpointKeys, token);
 
-		[HttpGet("log")]
-		public async Task<ActionResult<Dictionary<Guid, IEnumerable<SetpointLogDto>>>> GetLog([FromQuery] IEnumerable<Guid> setpointKeys, CancellationToken token)
-		{
-			var result = await setpointRepository.GetLog(setpointKeys, token);
+		return Ok(result);
+	}
 
-			return Ok(result);
-		}
+	/// <summary>
+	/// Получить диапазон дат, для которых есть данные в репозитории
+	/// </summary>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("range")]
+	public async Task<ActionResult<DatesRangeDto>> GetDatesRangeAsync(CancellationToken token)
+	{
+		var result = await setpointRepository.GetDatesRangeAsync(token);
 
-		[HttpPost]
-		public async Task<ActionResult<int>> Save(Guid setpointKey, object newValue, CancellationToken token)
-		{
-			// ToDo: вычитка idUser
-			await setpointRepository.Save(setpointKey, newValue, 0, token);
+		return Ok(result);
+	}
 
-			return Ok();
-		}
+	/// <summary>
+	/// Получить порцию записей, начиная с заданной даты 
+	/// </summary>
+	/// <param name="dateBegin"></param>
+	/// <param name="take"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("part")]
+	public async Task<ActionResult<IEnumerable<SetpointLogDto>>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token)
+	{
+		var result = await setpointRepository.GetPart(dateBegin, take, token);
+
+		return Ok(result);
+	}
+
+	/// <summary>
+	/// Сохранить уставку
+	/// </summary>
+	/// <param name="setpointKey"></param>
+	/// <param name="newValue"></param>
+	/// <param name="idUser"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpPost]
+	[ProducesResponseType(typeof(int), (int)HttpStatusCode.Created)]
+	public async Task<IActionResult> Add(Guid setpointKey, object newValue, CancellationToken token)
+	{
+		var userId = User.GetUserId<Guid>();
+		await setpointRepository.Add(setpointKey, newValue, userId, token);
+
+		return CreatedAtAction(nameof(Add), true);
 	}
 }
diff --git a/Persistence.API/Controllers/TechMessagesController.cs b/Persistence.API/Controllers/TechMessagesController.cs
new file mode 100644
index 0000000..d2691c1
--- /dev/null
+++ b/Persistence.API/Controllers/TechMessagesController.cs
@@ -0,0 +1,128 @@
+using System.Net;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Persistence.Models;
+using Persistence.Repositories;
+
+namespace Persistence.API.Controllers;
+
+/// <summary>
+/// Работа с состояниями систем автобурения (АБ)
+/// </summary>
+[ApiController]
+[Authorize]
+[Route("api/[controller]")]
+public class TechMessagesController : ControllerBase
+{
+	private readonly ITechMessagesRepository techMessagesRepository;
+	private static readonly Dictionary<int, string> categories = new Dictionary<int, string>()
+	{
+		{ 0, "System" },
+		{ 1, "Авария" },
+		{ 2, "Предупреждение" },
+		{ 3, "Инфо" },
+		{ 4, "Прочее" }
+	};
+
+	public TechMessagesController(ITechMessagesRepository techMessagesRepository)
+	{
+		this.techMessagesRepository = techMessagesRepository;
+	}
+
+	/// <summary>
+	/// Получить список технологических сообщений в виде страницы
+	/// </summary>
+	/// <param name="request"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet]
+	public async Task<ActionResult<PaginationContainer<TechMessageDto>>> GetPage([FromQuery] RequestDto request, CancellationToken token)
+	{
+		var result = await techMessagesRepository.GetPage(request, token);
+
+		return Ok(result);
+	}
+
+	/// <summary>
+	/// Получить статистику по системам
+	/// </summary>
+	/// <param name="autoDrillingSystem"></param>
+	/// <param name="categoryIds"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("statistics")]
+	public async Task<ActionResult<IEnumerable<MessagesStatisticDto>>> GetStatistics([FromQuery] IEnumerable<string> autoDrillingSystem, [FromQuery] IEnumerable<int> categoryIds, CancellationToken token)
+	{
+		var result = await techMessagesRepository.GetStatistics(autoDrillingSystem, categoryIds, token);
+
+		return Ok(result);
+	}
+
+	/// <summary>
+	/// Получить список всех систем
+	/// </summary>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("systems")]
+	public async Task<ActionResult<Dictionary<string, int>>> GetSystems(CancellationToken token)
+	{
+		var result = await techMessagesRepository.GetSystems(token);
+
+		return Ok(result);
+	}
+
+	/// <summary>
+	/// Получить диапазон дат, для которых есть данные в репозитории
+	/// </summary>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("range")]
+	public async Task<ActionResult<DatesRangeDto>> GetDatesRangeAsync(CancellationToken token)
+	{
+		var result = await techMessagesRepository.GetDatesRangeAsync(token);
+
+		return Ok(result);
+	}
+
+	/// <summary>
+	/// Получить порцию записей, начиная с заданной даты 
+	/// </summary>
+	/// <param name="dateBegin"></param>
+	/// <param name="take"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("part")]
+	public async Task<ActionResult<IEnumerable<SetpointLogDto>>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token)
+	{
+		var result = await techMessagesRepository.GetPart(dateBegin, take, token);
+
+		return Ok(result);
+	}
+
+	/// <summary>
+	/// Добавить новые технологические сообщения
+	/// </summary>
+	/// <param name="dtos"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpPost]
+	[ProducesResponseType(typeof(int), (int)HttpStatusCode.Created)]
+	public async Task<IActionResult> AddRange([FromBody] IEnumerable<TechMessageDto> dtos, CancellationToken token)
+	{
+		var userId = User.GetUserId<Guid>();
+
+        var result = await techMessagesRepository.AddRange(dtos, userId, token);
+
+		return CreatedAtAction(nameof(AddRange), result);
+	}
+
+	/// <summary>
+	/// Получить словарь категорий
+	/// </summary>
+	/// <returns></returns>
+	[HttpGet("categories")]
+	public ActionResult<Dictionary<int, string>> GetImportantCategories()
+	{
+		return Ok(categories);
+	}
+}
\ No newline at end of file
diff --git a/Persistence.API/Controllers/TimeSeriesController.cs b/Persistence.API/Controllers/TimeSeriesController.cs
index a4a860a..6991759 100644
--- a/Persistence.API/Controllers/TimeSeriesController.cs
+++ b/Persistence.API/Controllers/TimeSeriesController.cs
@@ -4,6 +4,7 @@ using Persistence.Models;
 using Persistence.Repositories;
 
 namespace Persistence.API.Controllers;
+
 [ApiController]
 [Authorize]
 [Route("api/[controller]")]
@@ -12,37 +13,62 @@ public class TimeSeriesController<TDto> : ControllerBase, ITimeSeriesDataApi<TDt
 {
     private ITimeSeriesDataRepository<TDto> timeSeriesDataRepository;
 
-    public TimeSeriesController(ITimeSeriesDataRepository<TDto> timeSeriesDataRepository)
-    {
-        this.timeSeriesDataRepository = timeSeriesDataRepository;
+	public TimeSeriesController(ITimeSeriesDataRepository<TDto> timeSeriesDataRepository)
+	{
+		this.timeSeriesDataRepository = timeSeriesDataRepository;
     }
 
-    [HttpGet]
+	/// <summary>
+	/// Получить список объектов, удовлетворяющий диапазону дат
+	/// </summary>
+	/// <param name="dateBegin"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet]
     [ProducesResponseType(StatusCodes.Status200OK)]
     public async Task<IActionResult> Get(DateTimeOffset dateBegin, CancellationToken token)
     {
-        var result = await this.timeSeriesDataRepository.GetGtDate(dateBegin, token);
+        var result = await timeSeriesDataRepository.GetGtDate(dateBegin, token);
         return Ok(result);
     }
 
-    [HttpGet("datesRange")]
+	/// <summary>
+	/// Получить диапазон дат, для которых есть данные в репозиторие
+	/// </summary>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("datesRange")]
     public async Task<IActionResult> GetDatesRange(CancellationToken token)
     {
-        var result = await this.timeSeriesDataRepository.GetDatesRange(token);
+        var result = await timeSeriesDataRepository.GetDatesRange(token);
         return Ok(result);
     }
 
-    [HttpGet("resampled")]
+	/// <summary>
+	/// Получить список объектов с прореживанием, удовлетворяющий диапазону дат
+	/// </summary>
+	/// <param name="dateBegin"></param>
+	/// <param name="intervalSec"></param>
+	/// <param name="approxPointsCount"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpGet("resampled")]
     public async Task<IActionResult> GetResampledData(DateTimeOffset dateBegin, double intervalSec = 600d, int approxPointsCount = 1024, CancellationToken token = default)
     {
-        var result = await this.timeSeriesDataRepository.GetResampledData(dateBegin, intervalSec, approxPointsCount, token);
+        var result = await timeSeriesDataRepository.GetResampledData(dateBegin, intervalSec, approxPointsCount, token);
         return Ok(result);
     }
 
-    [HttpPost]
-    public async Task<IActionResult> InsertRange(IEnumerable<TDto> dtos, CancellationToken token)
+	/// <summary>
+	/// Добавить записи
+	/// </summary>
+	/// <param name="dtos"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	[HttpPost]
+    public async Task<IActionResult> AddRange(IEnumerable<TDto> dtos, CancellationToken token)
     {
-        var result = await this.timeSeriesDataRepository.InsertRange(dtos, token);
+        var result = await timeSeriesDataRepository.AddRange(dtos, token);
         return Ok(result);
     }
 
diff --git a/Persistence.API/Controllers/TimestampedSetController.cs b/Persistence.API/Controllers/TimestampedSetController.cs
index f18e4c8..bd0e97e 100644
--- a/Persistence.API/Controllers/TimestampedSetController.cs
+++ b/Persistence.API/Controllers/TimestampedSetController.cs
@@ -32,9 +32,9 @@ public class TimestampedSetController : ControllerBase
     /// <returns>кол-во затронутых записей</returns>
     [HttpPost]
     [ProducesResponseType(typeof(int), (int)HttpStatusCode.OK)]
-    public async Task<IActionResult> InsertRange([FromRoute]Guid idDiscriminator, [FromBody]IEnumerable<TimestampedSetDto> sets, CancellationToken token)
+    public async Task<IActionResult> AddRange([FromRoute]Guid idDiscriminator, [FromBody]IEnumerable<TimestampedSetDto> sets, CancellationToken token)
     {
-        var result = await repository.InsertRange(idDiscriminator, sets, token);
+        var result = await repository.AddRange(idDiscriminator, sets, token);
         return Ok(result);
     }
 
diff --git a/Persistence.API/DependencyInjection.cs b/Persistence.API/DependencyInjection.cs
index cdfca4c..19cedc9 100644
--- a/Persistence.API/DependencyInjection.cs
+++ b/Persistence.API/DependencyInjection.cs
@@ -1,8 +1,12 @@
+using System.Reflection;
 using System.Text.Json.Nodes;
+using Mapster;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Any;
 using Microsoft.OpenApi.Models;
+using Persistence.Database.Entity;
+using Persistence.Models;
 using Persistence.Models.Configurations;
 using Swashbuckle.AspNetCore.SwaggerGen;
 
@@ -10,6 +14,12 @@ namespace Persistence.API;
 
 public static class DependencyInjection
 {
+	public static void MapsterSetup()
+	{
+		TypeAdapterConfig.GlobalSettings.Default.Config
+			.ForType<TechMessageDto, TechMessage>()
+			.Ignore(dest => dest.System, dest => dest.SystemId);
+	}
     public static void AddSwagger(this IServiceCollection services, IConfiguration configuration)
     {
         services.AddSwaggerGen(c =>
@@ -38,11 +48,10 @@ public static class DependencyInjection
 				c.AddKeycloackSecurity(configuration);
 			else c.AddDefaultSecurity(configuration);
 
-			//var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
-			//var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
-			//var includeControllerXmlComment = true;
-			//options.IncludeXmlComments(xmlPath, includeControllerXmlComment);
-			//options.IncludeXmlComments(Path.Combine(AppContext.BaseDirectory, "AsbCloudApp.xml"), includeControllerXmlComment);
+			var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
+			var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
+			var includeControllerXmlComment = true;
+			c.IncludeXmlComments(xmlPath, includeControllerXmlComment);
 		});
     }
 
diff --git a/Persistence.API/Persistence.API.csproj b/Persistence.API/Persistence.API.csproj
index 2b8cb73..dfff363 100644
--- a/Persistence.API/Persistence.API.csproj
+++ b/Persistence.API/Persistence.API.csproj
@@ -5,10 +5,13 @@
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
+	<NoWarn>$(NoWarn);1591</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.10" />
+    <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.11" />
+    <PackageReference Include="Microsoft.IdentityModel.JsonWebTokens" Version="8.2.1" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.19.6" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
   </ItemGroup>
diff --git a/Persistence.API/Startup.cs b/Persistence.API/Startup.cs
index e074845..98ad4aa 100644
--- a/Persistence.API/Startup.cs
+++ b/Persistence.API/Startup.cs
@@ -23,6 +23,9 @@ public class Startup
         services.AddInfrastructure();
         services.AddPersistenceDbContext(Configuration);
         services.AddJWTAuthentication(Configuration);
+        services.AddMemoryCache();
+
+        DependencyInjection.MapsterSetup();
     }
 
     public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
diff --git a/Persistence.Client/Clients/ISetpointClient.cs b/Persistence.Client/Clients/ISetpointClient.cs
index 49733f0..0b81ffa 100644
--- a/Persistence.Client/Clients/ISetpointClient.cs
+++ b/Persistence.Client/Clients/ISetpointClient.cs
@@ -4,7 +4,7 @@ using Refit;
 namespace Persistence.Client.Clients;
 
 /// <summary>
-/// Интерфейс для тестирования API, предназначенного для работы с уставками
+/// Интерфейс клиента для работы с уставками
 /// </summary>
 public interface ISetpointClient
 {
@@ -19,6 +19,12 @@ public interface ISetpointClient
 	[Get($"{BaseRoute}/log")]
 	Task<IApiResponse<Dictionary<Guid, IEnumerable<SetpointLogDto>>>> GetLog([Query(CollectionFormat.Multi)] IEnumerable<Guid> setpointKeys);
 
+	[Get($"{BaseRoute}/range")]
+	Task<IApiResponse<DatesRangeDto>> GetDatesRangeAsync(CancellationToken token);
+
+	[Get($"{BaseRoute}/part")]
+	Task<IApiResponse<IEnumerable<SetpointLogDto>>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token);
+
 	[Post($"{BaseRoute}/")]
-	Task<IApiResponse> Save(Guid setpointKey, object newValue);
+	Task<IApiResponse> Add(Guid setpointKey, object newValue);
 }
diff --git a/Persistence.Client/Clients/ITechMessagesClient.cs b/Persistence.Client/Clients/ITechMessagesClient.cs
new file mode 100644
index 0000000..878c6cf
--- /dev/null
+++ b/Persistence.Client/Clients/ITechMessagesClient.cs
@@ -0,0 +1,31 @@
+using Persistence.Models;
+using Refit;
+
+namespace Persistence.Client.Clients
+{
+	/// <summary>
+	/// Интерфейс клиента для хранения технологических сообщений
+	/// </summary>
+	public interface ITechMessagesClient
+	{
+		private const string BaseRoute = "/api/techMessages";
+
+		[Get($"{BaseRoute}")]
+		Task<IApiResponse<PaginationContainer<TechMessageDto>>> GetPage([Query] RequestDto request, CancellationToken token);
+
+		[Post($"{BaseRoute}")]
+		Task<IApiResponse<int>> AddRange([Body] IEnumerable<TechMessageDto> dtos, CancellationToken token);
+
+		[Get($"{BaseRoute}/systems")]
+		Task<IApiResponse<IEnumerable<string>>> GetSystems(CancellationToken token);
+
+		[Get($"{BaseRoute}/range")]
+		Task<IApiResponse<DatesRangeDto>> GetDatesRangeAsync(CancellationToken token);
+
+		[Get($"{BaseRoute}/part")]
+		Task<IApiResponse<IEnumerable<TechMessageDto>>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token);
+
+		[Get($"{BaseRoute}/statistics")]
+		Task<IApiResponse<IEnumerable<MessagesStatisticDto>>> GetStatistics([Query] string autoDrillingSystem, [Query] int categoryId, CancellationToken token);
+	}
+}
diff --git a/Persistence.Client/Clients/ITimeSeriesClient.cs b/Persistence.Client/Clients/ITimeSeriesClient.cs
index 8f7ef0e..8e97836 100644
--- a/Persistence.Client/Clients/ITimeSeriesClient.cs
+++ b/Persistence.Client/Clients/ITimeSeriesClient.cs
@@ -1,5 +1,4 @@
-using Microsoft.AspNetCore.Mvc;
-using Persistence.Models;
+using Persistence.Models;
 using Refit;
 
 namespace Persistence.Client.Clients;
@@ -9,7 +8,7 @@ public interface ITimeSeriesClient<TDto>
     private const string BaseRoute = "/api/dataSaub";
 
     [Post($"{BaseRoute}")]
-    Task<IApiResponse<int>> InsertRange(IEnumerable<TDto> dtos);
+    Task<IApiResponse<int>> AddRange(IEnumerable<TDto> dtos);
 
     [Get($"{BaseRoute}")]
     Task<IApiResponse<IEnumerable<TDto>>> Get(DateTimeOffset dateBegin, DateTimeOffset dateEnd);
diff --git a/Persistence.Client/Clients/ITimestampedSetClient.cs b/Persistence.Client/Clients/ITimestampedSetClient.cs
index 95e8bd1..bbff603 100644
--- a/Persistence.Client/Clients/ITimestampedSetClient.cs
+++ b/Persistence.Client/Clients/ITimestampedSetClient.cs
@@ -20,7 +20,7 @@ public interface ITimestampedSetClient
     /// <param name="sets"></param>
     /// <returns></returns>
     [Post(baseUrl)]
-    Task<IApiResponse<int>> InsertRange(Guid idDiscriminator, IEnumerable<TimestampedSetDto> sets);
+    Task<IApiResponse<int>> AddRange(Guid idDiscriminator, IEnumerable<TimestampedSetDto> sets);
 
     /// <summary>
     /// Получение данных с фильтрацией. Значение фильтра null - отключен
diff --git a/Persistence.Client/Helpers/ApiTokenHelper.cs b/Persistence.Client/Helpers/ApiTokenHelper.cs
index e508922..5eed66e 100644
--- a/Persistence.Client/Helpers/ApiTokenHelper.cs
+++ b/Persistence.Client/Helpers/ApiTokenHelper.cs
@@ -29,8 +29,10 @@ public static class ApiTokenHelper
 
 	private static string CreateDefaultJwtToken(this AuthUser authUser)
 	{
+		var nameIdetifier = Guid.NewGuid().ToString();
 		var claims = new List<Claim>()
 		{
+			new(ClaimTypes.NameIdentifier, nameIdetifier),
 			new("client_id", authUser.ClientId),
 			new("username", authUser.Username),
 			new("password", authUser.Password),
diff --git a/Persistence.Database.Postgres/Migrations/20241118052225_SetpointMigration.cs b/Persistence.Database.Postgres/Migrations/20241118052225_SetpointMigration.cs
index 49e438a..ea6fccf 100644
--- a/Persistence.Database.Postgres/Migrations/20241118052225_SetpointMigration.cs
+++ b/Persistence.Database.Postgres/Migrations/20241118052225_SetpointMigration.cs
@@ -18,7 +18,7 @@ namespace Persistence.Database.Postgres.Migrations
                     Key = table.Column<Guid>(type: "uuid", nullable: false, comment: "Ключ"),
                     Created = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false, comment: "Дата изменения уставки"),
                     Value = table.Column<object>(type: "jsonb", nullable: false, comment: "Значение уставки"),
-                    IdUser = table.Column<int>(type: "integer", nullable: false, comment: "Id автора последнего изменения")
+                    IdUser = table.Column<Guid>(type: "uuid", nullable: false, comment: "Id автора последнего изменения")
                 },
                 constraints: table =>
                 {
diff --git a/Persistence.Database.Postgres/Migrations/20241202072250_TechMessageMigration.Designer.cs b/Persistence.Database.Postgres/Migrations/20241202072250_TechMessageMigration.Designer.cs
new file mode 100644
index 0000000..6ed33f7
--- /dev/null
+++ b/Persistence.Database.Postgres/Migrations/20241202072250_TechMessageMigration.Designer.cs
@@ -0,0 +1,233 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using Persistence.Database.Model;
+
+#nullable disable
+
+namespace Persistence.Database.Postgres.Migrations
+{
+    [DbContext(typeof(PersistenceDbContext))]
+    [Migration("20241202072250_TechMessageMigration")]
+    partial class TechMessageMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .UseCollation("Russian_Russia.1251")
+                .HasAnnotation("ProductVersion", "8.0.10")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "adminpack");
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Persistence.Database.Entity.DrillingSystem", b =>
+                {
+                    b.Property<Guid>("SystemId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasComment("Id системы автобурения");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("Описание системы автобурения");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("varchar(256)")
+                        .HasComment("Наименование системы автобурения");
+
+                    b.HasKey("SystemId");
+
+                    b.ToTable("DrillingSystem");
+                });
+
+            modelBuilder.Entity("Persistence.Database.Entity.TechMessage", b =>
+                {
+                    b.Property<Guid>("EventId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasComment("Id события");
+
+                    b.Property<int>("CategoryId")
+                        .HasColumnType("integer")
+                        .HasComment("Id Категории важности");
+
+                    b.Property<double?>("Depth")
+                        .HasColumnType("double precision")
+                        .HasComment("Глубина забоя");
+
+                    b.Property<string>("MessageText")
+                        .IsRequired()
+                        .HasColumnType("varchar(512)")
+                        .HasComment("Текст сообщения");
+
+                    b.Property<Guid>("SystemId")
+                        .HasColumnType("uuid")
+                        .HasComment("Id системы автобурения, к которой относится сообщение");
+
+                    b.Property<DateTimeOffset>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("Дата возникновения");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasComment("Id пользователя за пультом бурильщика");
+
+                    b.HasKey("EventId");
+
+                    b.HasIndex("SystemId");
+
+                    b.ToTable("TechMessage");
+                });
+
+            modelBuilder.Entity("Persistence.Database.Entity.TimestampedSet", b =>
+                {
+                    b.Property<Guid>("IdDiscriminator")
+                        .HasColumnType("uuid")
+                        .HasComment("Дискриминатор ссылка на тип сохраняемых данных");
+
+                    b.Property<DateTimeOffset>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("Отметка времени, строго в UTC");
+
+                    b.Property<string>("Set")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("Набор сохраняемых данных");
+
+                    b.HasKey("IdDiscriminator", "Timestamp");
+
+                    b.ToTable("TimestampedSets", t =>
+                        {
+                            t.HasComment("Общая таблица данных временных рядов");
+                        });
+                });
+
+            modelBuilder.Entity("Persistence.Database.Model.DataSaub", b =>
+                {
+                    b.Property<DateTimeOffset>("Date")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("date");
+
+                    b.Property<double?>("AxialLoad")
+                        .HasColumnType("double precision")
+                        .HasColumnName("axialLoad");
+
+                    b.Property<double?>("BitDepth")
+                        .HasColumnType("double precision")
+                        .HasColumnName("bitDepth");
+
+                    b.Property<double?>("BlockPosition")
+                        .HasColumnType("double precision")
+                        .HasColumnName("blockPosition");
+
+                    b.Property<double?>("BlockSpeed")
+                        .HasColumnType("double precision")
+                        .HasColumnName("blockSpeed");
+
+                    b.Property<double?>("Flow")
+                        .HasColumnType("double precision")
+                        .HasColumnName("flow");
+
+                    b.Property<double?>("HookWeight")
+                        .HasColumnType("double precision")
+                        .HasColumnName("hookWeight");
+
+                    b.Property<int>("IdFeedRegulator")
+                        .HasColumnType("integer")
+                        .HasColumnName("idFeedRegulator");
+
+                    b.Property<int?>("Mode")
+                        .HasColumnType("integer")
+                        .HasColumnName("mode");
+
+                    b.Property<double?>("Mse")
+                        .HasColumnType("double precision")
+                        .HasColumnName("mse");
+
+                    b.Property<short>("MseState")
+                        .HasColumnType("smallint")
+                        .HasColumnName("mseState");
+
+                    b.Property<double?>("Pressure")
+                        .HasColumnType("double precision")
+                        .HasColumnName("pressure");
+
+                    b.Property<double?>("Pump0Flow")
+                        .HasColumnType("double precision")
+                        .HasColumnName("pump0Flow");
+
+                    b.Property<double?>("Pump1Flow")
+                        .HasColumnType("double precision")
+                        .HasColumnName("pump1Flow");
+
+                    b.Property<double?>("Pump2Flow")
+                        .HasColumnType("double precision")
+                        .HasColumnName("pump2Flow");
+
+                    b.Property<double?>("RotorSpeed")
+                        .HasColumnType("double precision")
+                        .HasColumnName("rotorSpeed");
+
+                    b.Property<double?>("RotorTorque")
+                        .HasColumnType("double precision")
+                        .HasColumnName("rotorTorque");
+
+                    b.Property<string>("User")
+                        .HasColumnType("text")
+                        .HasColumnName("user");
+
+                    b.Property<double?>("WellDepth")
+                        .HasColumnType("double precision")
+                        .HasColumnName("wellDepth");
+
+                    b.HasKey("Date");
+
+                    b.ToTable("DataSaub");
+                });
+
+            modelBuilder.Entity("Persistence.Database.Model.Setpoint", b =>
+                {
+                    b.Property<Guid>("Key")
+                        .HasColumnType("uuid")
+                        .HasComment("Ключ");
+
+                    b.Property<DateTimeOffset>("Created")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("Дата создания уставки");
+
+                    b.Property<Guid>("IdUser")
+                        .HasColumnType("uuid")
+                        .HasComment("Id автора последнего изменения");
+
+                    b.Property<object>("Value")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("Значение уставки");
+
+                    b.HasKey("Key", "Created");
+
+                    b.ToTable("Setpoint");
+                });
+
+            modelBuilder.Entity("Persistence.Database.Entity.TechMessage", b =>
+                {
+                    b.HasOne("Persistence.Database.Entity.DrillingSystem", "System")
+                        .WithMany()
+                        .HasForeignKey("SystemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("System");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Persistence.Database.Postgres/Migrations/20241202072250_TechMessageMigration.cs b/Persistence.Database.Postgres/Migrations/20241202072250_TechMessageMigration.cs
new file mode 100644
index 0000000..ccf18d4
--- /dev/null
+++ b/Persistence.Database.Postgres/Migrations/20241202072250_TechMessageMigration.cs
@@ -0,0 +1,66 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Persistence.Database.Postgres.Migrations
+{
+    /// <inheritdoc />
+    public partial class TechMessageMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "DrillingSystem",
+                columns: table => new
+                {
+                    SystemId = table.Column<Guid>(type: "uuid", nullable: false, comment: "Id системы автобурения"),
+                    Name = table.Column<string>(type: "varchar(256)", nullable: false, comment: "Наименование системы автобурения"),
+                    Description = table.Column<string>(type: "text", nullable: true, comment: "Описание системы автобурения")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_DrillingSystem", x => x.SystemId);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "TechMessage",
+                columns: table => new
+                {
+                    EventId = table.Column<Guid>(type: "uuid", nullable: false, comment: "Id события"),
+                    CategoryId = table.Column<int>(type: "integer", nullable: false, comment: "Id Категории важности"),
+                    Timestamp = table.Column<DateTimeOffset>(type: "timestamp with time zone", nullable: false, comment: "Дата возникновения"),
+                    Depth = table.Column<double>(type: "double precision", nullable: true, comment: "Глубина забоя"),
+                    MessageText = table.Column<string>(type: "varchar(512)", nullable: false, comment: "Текст сообщения"),
+                    SystemId = table.Column<Guid>(type: "uuid", nullable: false, comment: "Id системы автобурения, к которой относится сообщение"),
+                    UserId = table.Column<Guid>(type: "uuid", nullable: false, comment: "Id пользователя за пультом бурильщика")
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_TechMessage", x => x.EventId);
+                    table.ForeignKey(
+                        name: "FK_TechMessage_DrillingSystem_SystemId",
+                        column: x => x.SystemId,
+                        principalTable: "DrillingSystem",
+                        principalColumn: "SystemId",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_TechMessage_SystemId",
+                table: "TechMessage",
+                column: "SystemId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "TechMessage");
+
+            migrationBuilder.DropTable(
+                name: "DrillingSystem");
+        }
+    }
+}
diff --git a/Persistence.Database.Postgres/Migrations/PersistenceDbContextModelSnapshot.cs b/Persistence.Database.Postgres/Migrations/PersistenceDbContextModelSnapshot.cs
index f41f669..e53c81a 100644
--- a/Persistence.Database.Postgres/Migrations/PersistenceDbContextModelSnapshot.cs
+++ b/Persistence.Database.Postgres/Migrations/PersistenceDbContextModelSnapshot.cs
@@ -24,6 +24,89 @@ namespace Persistence.Database.Postgres.Migrations
             NpgsqlModelBuilderExtensions.HasPostgresExtension(modelBuilder, "adminpack");
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("Persistence.Database.Entity.DrillingSystem", b =>
+                {
+                    b.Property<Guid>("SystemId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasComment("Id системы автобурения");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text")
+                        .HasComment("Описание системы автобурения");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("varchar(256)")
+                        .HasComment("Наименование системы автобурения");
+
+                    b.HasKey("SystemId");
+
+                    b.ToTable("DrillingSystem");
+                });
+
+            modelBuilder.Entity("Persistence.Database.Entity.TechMessage", b =>
+                {
+                    b.Property<Guid>("EventId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasComment("Id события");
+
+                    b.Property<int>("CategoryId")
+                        .HasColumnType("integer")
+                        .HasComment("Id Категории важности");
+
+                    b.Property<double?>("Depth")
+                        .HasColumnType("double precision")
+                        .HasComment("Глубина забоя");
+
+                    b.Property<string>("MessageText")
+                        .IsRequired()
+                        .HasColumnType("varchar(512)")
+                        .HasComment("Текст сообщения");
+
+                    b.Property<Guid>("SystemId")
+                        .HasColumnType("uuid")
+                        .HasComment("Id системы автобурения, к которой относится сообщение");
+
+                    b.Property<DateTimeOffset>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("Дата возникновения");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasComment("Id пользователя за пультом бурильщика");
+
+                    b.HasKey("EventId");
+
+                    b.HasIndex("SystemId");
+
+                    b.ToTable("TechMessage");
+                });
+
+            modelBuilder.Entity("Persistence.Database.Entity.TimestampedSet", b =>
+                {
+                    b.Property<Guid>("IdDiscriminator")
+                        .HasColumnType("uuid")
+                        .HasComment("Дискриминатор ссылка на тип сохраняемых данных");
+
+                    b.Property<DateTimeOffset>("Timestamp")
+                        .HasColumnType("timestamp with time zone")
+                        .HasComment("Отметка времени, строго в UTC");
+
+                    b.Property<string>("Set")
+                        .IsRequired()
+                        .HasColumnType("jsonb")
+                        .HasComment("Набор сохраняемых данных");
+
+                    b.HasKey("IdDiscriminator", "Timestamp");
+
+                    b.ToTable("TimestampedSets", t =>
+                        {
+                            t.HasComment("Общая таблица данных временных рядов");
+                        });
+                });
+
             modelBuilder.Entity("Persistence.Database.Model.DataSaub", b =>
                 {
                     b.Property<DateTimeOffset>("Date")
@@ -115,10 +198,10 @@ namespace Persistence.Database.Postgres.Migrations
 
                     b.Property<DateTimeOffset>("Created")
                         .HasColumnType("timestamp with time zone")
-                        .HasComment("Дата изменения уставки");
+                        .HasComment("Дата создания уставки");
 
-                    b.Property<int>("IdUser")
-                        .HasColumnType("integer")
+                    b.Property<Guid>("IdUser")
+                        .HasColumnType("uuid")
                         .HasComment("Id автора последнего изменения");
 
                     b.Property<object>("Value")
@@ -130,6 +213,17 @@ namespace Persistence.Database.Postgres.Migrations
 
                     b.ToTable("Setpoint");
                 });
+
+            modelBuilder.Entity("Persistence.Database.Entity.TechMessage", b =>
+                {
+                    b.HasOne("Persistence.Database.Entity.DrillingSystem", "System")
+                        .WithMany()
+                        .HasForeignKey("SystemId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("System");
+                });
 #pragma warning restore 612, 618
         }
     }
diff --git a/Persistence.Database.Postgres/PersistenceDbContext.cs b/Persistence.Database.Postgres/PersistenceDbContext.cs
index a0cae6a..89b09db 100644
--- a/Persistence.Database.Postgres/PersistenceDbContext.cs
+++ b/Persistence.Database.Postgres/PersistenceDbContext.cs
@@ -10,7 +10,9 @@ public partial class PersistenceDbContext : DbContext
 
 	public DbSet<Setpoint> Setpoint => Set<Setpoint>();
 
-    public DbSet<TimestampedSet> TimestampedSets => Set<TimestampedSet>();
+	public DbSet<TechMessage> TechMessage => Set<TechMessage>();
+
+	public DbSet<TimestampedSet> TimestampedSets => Set<TimestampedSet>();
 
     public PersistenceDbContext()
         : base()
@@ -40,5 +42,14 @@ public partial class PersistenceDbContext : DbContext
         modelBuilder.Entity<TimestampedSet>()
             .Property(e => e.Set)
             .HasJsonConversion();
-    }
+
+        modelBuilder.Entity<TechMessage>(entity =>
+        {
+            entity.HasOne(t => t.System)
+                .WithMany()
+                .HasForeignKey(t => t.SystemId)
+                .OnDelete(DeleteBehavior.Cascade)
+				.IsRequired();
+		});
+	}
 }
diff --git a/Persistence.Database/Entity/DrillingSystem.cs b/Persistence.Database/Entity/DrillingSystem.cs
new file mode 100644
index 0000000..6588fb0
--- /dev/null
+++ b/Persistence.Database/Entity/DrillingSystem.cs
@@ -0,0 +1,16 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
+
+namespace Persistence.Database.Entity;
+public class DrillingSystem
+{
+	[Key, Comment("Id системы автобурения")]
+	public Guid SystemId { get; set; }
+
+	[Required, Column(TypeName = "varchar(256)"), Comment("Наименование системы автобурения")]
+	public required string Name { get; set; }
+
+	[Comment("Описание системы автобурения")]
+	public string? Description { get; set; }
+}
diff --git a/Persistence.Database/Entity/Setpoint.cs b/Persistence.Database/Entity/Setpoint.cs
index ef6b5dc..6ca2c27 100644
--- a/Persistence.Database/Entity/Setpoint.cs
+++ b/Persistence.Database/Entity/Setpoint.cs
@@ -16,6 +16,6 @@ namespace Persistence.Database.Model
 		public DateTimeOffset Created { get; set; }
 
 		[Comment("Id автора последнего изменения")]
-		public int IdUser { get; set; }
+		public Guid IdUser { get; set; }
 	}
 }
diff --git a/Persistence.Database/Entity/TechMessage.cs b/Persistence.Database/Entity/TechMessage.cs
new file mode 100644
index 0000000..ea29cc2
--- /dev/null
+++ b/Persistence.Database/Entity/TechMessage.cs
@@ -0,0 +1,33 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using Microsoft.EntityFrameworkCore;
+
+namespace Persistence.Database.Entity
+{
+	public class TechMessage
+	{
+		[Key, Comment("Id события")]
+		public Guid EventId { get; set; }
+
+		[Comment("Id Категории важности")]
+		public int CategoryId { get; set; }
+
+		[Comment("Дата возникновения")]
+		public DateTimeOffset Timestamp { get; set; }
+
+		[Comment("Глубина забоя")]
+		public double? Depth { get; set; }
+
+		[Column(TypeName = "varchar(512)"), Comment("Текст сообщения")]
+		public required string MessageText { get; set; }
+
+		[Required, Comment("Id системы автобурения, к которой относится сообщение")]
+		public required Guid SystemId { get; set; }
+
+		[Required, ForeignKey(nameof(SystemId)), Comment("Система автобурения, к которой относится сообщение")]
+		public virtual required DrillingSystem System { get; set; }
+
+		[Comment("Id пользователя за пультом бурильщика")]
+		public Guid UserId { get; set; }
+	}
+}
diff --git a/Persistence.IntegrationTests/Controllers/SetpointControllerTest.cs b/Persistence.IntegrationTests/Controllers/SetpointControllerTest.cs
index faa0147..2c455a0 100644
--- a/Persistence.IntegrationTests/Controllers/SetpointControllerTest.cs
+++ b/Persistence.IntegrationTests/Controllers/SetpointControllerTest.cs
@@ -1,7 +1,9 @@
 using System.Net;
+using Microsoft.AspNetCore.Mvc.TagHelpers.Cache;
 using Microsoft.Extensions.DependencyInjection;
 using Persistence.Client;
 using Persistence.Client.Clients;
+using Persistence.Database.Model;
 using Xunit;
 
 namespace Persistence.IntegrationTests.Controllers
@@ -46,7 +48,7 @@ namespace Persistence.IntegrationTests.Controllers
 		public async Task GetCurrent_AfterSave_returns_success()
 		{
 			//arrange
-			var setpointKey = await Save();
+			var setpointKey = await Add();
 
 			//act
 			var response = await setpointClient.GetCurrent([setpointKey]);
@@ -82,7 +84,7 @@ namespace Persistence.IntegrationTests.Controllers
 		public async Task GetHistory_AfterSave_returns_success()
 		{
 			//arrange
-			var setpointKey = await Save();
+			var setpointKey = await Add();
 			var historyMoment = DateTimeOffset.UtcNow;
 			historyMoment = historyMoment.AddDays(1);
 
@@ -119,7 +121,7 @@ namespace Persistence.IntegrationTests.Controllers
 		public async Task GetLog_AfterSave_returns_success()
 		{
 			//arrange
-			var setpointKey = await Save();
+			var setpointKey = await Add();
 
 			//act
 			var response = await setpointClient.GetLog([setpointKey]);
@@ -132,12 +134,92 @@ namespace Persistence.IntegrationTests.Controllers
 		}
 
 		[Fact]
-		public async Task Save_returns_success()
+		public async Task GetDatesRange_returns_success()
 		{
-			await Save();
+			//arrange
+			dbContext.CleanupDbSet<Setpoint>();
+
+			//act
+			var response = await setpointClient.GetDatesRangeAsync(new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Equal(DateTimeOffset.MinValue, response.Content!.From);
+			Assert.Equal(DateTimeOffset.MaxValue, response.Content!.To);
 		}
 
-		private async Task<Guid> Save()
+		[Fact]
+		public async Task GetDatesRange_AfterSave_returns_success()
+		{
+			//arrange
+			dbContext.CleanupDbSet<Setpoint>();
+			
+			await Add();
+
+			var dateBegin = DateTimeOffset.MinValue;
+			var take = 1;
+			var part = await setpointClient.GetPart(dateBegin, take, new CancellationToken());
+
+			//act
+			var response = await setpointClient.GetDatesRangeAsync(new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+
+			var expectedValue = part.Content!
+				.FirstOrDefault()!.Created
+				.ToString("dd.MM.yyyy-HH:mm:ss");
+			var actualValueFrom = response.Content.From
+				.ToString("dd.MM.yyyy-HH:mm:ss");
+			Assert.Equal(expectedValue, actualValueFrom);
+
+			var actualValueTo = response.Content.To
+				.ToString("dd.MM.yyyy-HH:mm:ss");
+			Assert.Equal(expectedValue, actualValueTo);
+		}
+
+		[Fact]
+		public async Task GetPart_returns_success()
+		{
+			//arrange
+			var dateBegin = DateTimeOffset.UtcNow;
+			var take = 2;
+
+			//act
+			var response = await setpointClient.GetPart(dateBegin, take, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Empty(response.Content);
+		}
+
+		[Fact]
+		public async Task GetPart_AfterSave_returns_success()
+		{
+			//arrange
+			var dateBegin = DateTimeOffset.UtcNow;
+			var take = 1;
+			await Add();
+
+			//act
+			var response = await setpointClient.GetPart(dateBegin, take, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.NotEmpty(response.Content);
+		}
+
+		[Fact]
+		public async Task Save_returns_success()
+		{
+			await Add();
+		}
+
+		private async Task<Guid> Add()
 		{
 			//arrange
 			var setpointKey = Guid.NewGuid();
@@ -148,10 +230,10 @@ namespace Persistence.IntegrationTests.Controllers
 			};
 
 			//act
-			var response = await setpointClient.Save(setpointKey, setpointValue);
+			var response = await setpointClient.Add(setpointKey, setpointValue);
 
 			//assert
-			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.Equal(HttpStatusCode.Created, response.StatusCode);
 
 			return setpointKey;
 		}
diff --git a/Persistence.IntegrationTests/Controllers/TechMessagesControllerTest.cs b/Persistence.IntegrationTests/Controllers/TechMessagesControllerTest.cs
new file mode 100644
index 0000000..1f194ad
--- /dev/null
+++ b/Persistence.IntegrationTests/Controllers/TechMessagesControllerTest.cs
@@ -0,0 +1,288 @@
+using System.Net;
+using Microsoft.Extensions.Caching.Memory;
+using Microsoft.Extensions.DependencyInjection;
+using Persistence.Client;
+using Persistence.Client.Clients;
+using Persistence.Database.Entity;
+using Persistence.Models;
+using Xunit;
+
+namespace Persistence.IntegrationTests.Controllers
+{
+	public class TechMessagesControllerTest : BaseIntegrationTest
+	{
+		private static readonly string SystemCacheKey = $"{typeof(Database.Entity.DrillingSystem).FullName}CacheKey";
+		private readonly ITechMessagesClient techMessagesClient;
+		private readonly IMemoryCache memoryCache;
+		public TechMessagesControllerTest(WebAppFactoryFixture factory) : base(factory)
+		{
+			var scope = factory.Services.CreateScope();
+			var persistenceClientFactory = scope.ServiceProvider
+				.GetRequiredService<PersistenceClientFactory>();
+
+			techMessagesClient = persistenceClientFactory.GetClient<ITechMessagesClient>();
+			memoryCache = scope.ServiceProvider.GetRequiredService<IMemoryCache>();
+		}
+
+		[Fact]
+		public async Task GetPage_returns_success()
+		{
+			//arrange
+			memoryCache.Remove(SystemCacheKey);
+			dbContext.CleanupDbSet<TechMessage>();
+			dbContext.CleanupDbSet<Database.Entity.DrillingSystem>();
+
+			var requestDto = new RequestDto()
+			{
+				Skip = 1,
+				Take = 2,
+				SortSettings = nameof(TechMessage.CategoryId)
+			};
+
+			//act
+			var response = await techMessagesClient.GetPage(requestDto, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Empty(response.Content.Items);
+			Assert.Equal(requestDto.Skip, response.Content.Skip);
+			Assert.Equal(requestDto.Take, response.Content.Take);
+		}
+
+		[Fact]
+		public async Task GetPage_AfterSave_returns_success()
+		{
+			//arrange
+			var dtos = await InsertRange();
+			var dtosCount = dtos.Count();
+			var requestDto = new RequestDto()
+			{
+				Skip = 0,
+				Take = 2,
+				SortSettings = nameof(TechMessage.CategoryId)
+			};
+
+			//act
+			var response = await techMessagesClient.GetPage(requestDto, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Equal(dtosCount, response.Content.Count);
+		}
+
+		[Fact]
+		public async Task InsertRange_returns_success()
+		{
+			await InsertRange();
+		}
+
+		[Fact]
+		public async Task InsertRange_returns_BadRequest()
+		{
+			//arrange
+			var dtos = new List<TechMessageDto>()
+			{
+				new TechMessageDto()
+				{
+					EventId = Guid.NewGuid(),
+					CategoryId = -1, // < 0
+					Timestamp = DateTimeOffset.UtcNow,
+					Depth = -1, // < 0
+					MessageText = string.Empty, // length < 0
+					System = string.Concat(Enumerable.Repeat(nameof(TechMessageDto.System), 100)), // length > 256
+					UserId = Guid.NewGuid()
+				}
+			};
+
+			//act
+			var response = await techMessagesClient.AddRange(dtos, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+		}
+
+		[Fact]
+		public async Task GetSystems_returns_success()
+		{
+			//arrange
+			memoryCache.Remove(SystemCacheKey);
+			dbContext.CleanupDbSet<TechMessage>();
+			dbContext.CleanupDbSet<Database.Entity.DrillingSystem>();
+
+			//act
+			var response = await techMessagesClient.GetSystems(new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Empty(response.Content);
+		}
+
+		[Fact]
+		public async Task GetSystems_AfterSave_returns_success()
+		{
+			//arrange
+			var dtos = await InsertRange();
+			var systems = dtos
+				.Select(e => e.System)
+				.Distinct()
+				.ToArray();
+
+			//act
+			var response = await techMessagesClient.GetSystems(new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			string?[]? content = response.Content?.ToArray();
+			Assert.Equal(systems, content);
+		}
+
+		[Fact]
+		public async Task GetStatistics_returns_success()
+		{
+			//arrange
+			memoryCache.Remove(SystemCacheKey);
+			dbContext.CleanupDbSet<TechMessage>();
+			dbContext.CleanupDbSet<Database.Entity.DrillingSystem>();
+
+			var imortantId = 1;
+			var autoDrillingSystem = nameof(TechMessageDto.System);
+
+			//act
+			var response = await techMessagesClient.GetStatistics(autoDrillingSystem, imortantId, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Empty(response.Content);
+		}
+
+		[Fact]
+		public async Task GetStatistics_AfterSave_returns_success()
+		{
+			//arrange
+			var imortantId = 0;
+			var autoDrillingSystem = nameof(TechMessageDto.System);
+			var dtos = await InsertRange();
+			var filteredDtos = dtos.Where(e => e.CategoryId == imortantId && e.System == autoDrillingSystem);
+
+			//act
+			var response = await techMessagesClient.GetStatistics(autoDrillingSystem, imortantId, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			var categories = response.Content
+				.FirstOrDefault()?.Categories
+				.FirstOrDefault(e => e.Key == 0).Value;
+			Assert.Equal(filteredDtos.Count(), categories);
+		}
+
+		[Fact]
+		public async Task GetDatesRange_returns_success()
+		{
+			//act
+			var response = await techMessagesClient.GetDatesRangeAsync(new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			//Assert.Equal(DateTimeOffset.MinValue, response.Content?.From);
+			//Assert.Equal(DateTimeOffset.MaxValue, response.Content?.To);
+		}
+
+		[Fact]
+		public async Task GetDatesRange_AfterSave_returns_success()
+		{
+			//arrange
+			await InsertRange();
+
+			//act
+			var response = await techMessagesClient.GetDatesRangeAsync(new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.NotNull(response.Content?.From);
+			Assert.NotNull(response.Content?.To);
+		}
+
+		[Fact]
+		public async Task GetPart_returns_success()
+		{
+			//arrange
+			var dateBegin = DateTimeOffset.UtcNow;
+			var take = 2;
+
+			//act
+			var response = await techMessagesClient.GetPart(dateBegin, take, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.Empty(response.Content);
+		}
+
+		[Fact]
+		public async Task GetPart_AfterSave_returns_success()
+		{
+			//arrange
+			var dateBegin = DateTimeOffset.UtcNow;
+			var take = 1;
+			await InsertRange();
+
+			//act
+			var response = await techMessagesClient.GetPart(dateBegin, take, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+			Assert.NotNull(response.Content);
+			Assert.NotEmpty(response.Content);
+		}
+
+		private async Task<IEnumerable<TechMessageDto>> InsertRange()
+		{
+			//arrange
+			memoryCache.Remove(SystemCacheKey);
+			dbContext.CleanupDbSet<TechMessage>();
+			dbContext.CleanupDbSet<DrillingSystem>();
+
+			var dtos = new List<TechMessageDto>()
+			{
+				new TechMessageDto()
+				{
+					EventId = Guid.NewGuid(),
+					CategoryId = 1,
+					Timestamp = DateTimeOffset.UtcNow,
+					Depth = 1.11,
+					MessageText = nameof(TechMessageDto.MessageText),
+					System = nameof(TechMessageDto.System).ToLower(),
+					UserId = Guid.NewGuid()
+				},
+				new TechMessageDto()
+				{
+					EventId = Guid.NewGuid(),
+					CategoryId = 2,
+					Timestamp = DateTimeOffset.UtcNow,
+					Depth = 2.22,
+					MessageText = nameof(TechMessageDto.MessageText),
+					System = nameof(TechMessageDto.System).ToLower(),
+					UserId = Guid.NewGuid()
+				}
+			};
+
+
+			//act
+			var response = await techMessagesClient.AddRange(dtos, new CancellationToken());
+
+			//assert
+			Assert.Equal(HttpStatusCode.Created, response.StatusCode);
+			Assert.Equal(dtos.Count, response.Content);
+
+			return dtos;
+		}
+	}
+}
diff --git a/Persistence.IntegrationTests/Controllers/TimeSeriesBaseControllerTest.cs b/Persistence.IntegrationTests/Controllers/TimeSeriesBaseControllerTest.cs
index 87efa43..08bb11e 100644
--- a/Persistence.IntegrationTests/Controllers/TimeSeriesBaseControllerTest.cs
+++ b/Persistence.IntegrationTests/Controllers/TimeSeriesBaseControllerTest.cs
@@ -30,7 +30,7 @@ public abstract class TimeSeriesBaseControllerTest<TEntity, TDto> : BaseIntegrat
         var expected = dto.Adapt<TDto>();
 
         //act
-        var response = await timeSeriesClient.InsertRange(new TDto[] { expected });
+        var response = await timeSeriesClient.AddRange(new TDto[] { expected });
 
         //assert
         Assert.Equal(HttpStatusCode.OK, response.StatusCode);
diff --git a/Persistence.IntegrationTests/Controllers/TimestampedSetControllerTest.cs b/Persistence.IntegrationTests/Controllers/TimestampedSetControllerTest.cs
index aa33e1b..3fc7dff 100644
--- a/Persistence.IntegrationTests/Controllers/TimestampedSetControllerTest.cs
+++ b/Persistence.IntegrationTests/Controllers/TimestampedSetControllerTest.cs
@@ -25,7 +25,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         IEnumerable<TimestampedSetDto> testSets = Generate(10, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
 
         // act
-        var response = await client.InsertRange(idDiscriminator, testSets);
+        var response = await client.AddRange(idDiscriminator, testSets);
 
         // assert
         Assert.Equal(System.Net.HttpStatusCode.OK, response.StatusCode);
@@ -39,7 +39,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         Guid idDiscriminator = Guid.NewGuid();
         int count = 10;
         IEnumerable<TimestampedSetDto> testSets = Generate(count, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
 
         // act
         var response = await client.Get(idDiscriminator, null, null, 0, int.MaxValue);
@@ -58,7 +58,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         Guid idDiscriminator = Guid.NewGuid();
         int count = 10;
         IEnumerable<TimestampedSetDto> testSets = Generate(count, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
         string[] props = ["A"];
 
         // act
@@ -86,7 +86,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         var dateMin = DateTimeOffset.Now;
         var dateMax = DateTimeOffset.Now.AddSeconds(count);
         IEnumerable<TimestampedSetDto> testSets = Generate(count, dateMin.ToOffset(TimeSpan.FromHours(7)));        
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
         var tail = testSets.OrderBy(t => t.Timestamp).Skip(count / 2).Take(int.MaxValue);
         var geDate = tail.First().Timestamp;
         var tolerance = TimeSpan.FromSeconds(1);
@@ -111,7 +111,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         Guid idDiscriminator = Guid.NewGuid();
         int count = 10;
         IEnumerable<TimestampedSetDto> testSets = Generate(count, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
         var expectedCount = count / 2;
 
         // act
@@ -133,7 +133,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         var expectedCount = 1;
         int count = 10 + expectedCount;
         IEnumerable<TimestampedSetDto> testSets = Generate(count, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
 
         // act
         var response = await client.Get(idDiscriminator, null, null, count - expectedCount, count);
@@ -152,7 +152,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         Guid idDiscriminator = Guid.NewGuid();
         int count = 10;
         IEnumerable<TimestampedSetDto> testSets = Generate(count, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
         var expectedCount = 8;
 
         // act
@@ -174,7 +174,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         var dateMin = DateTimeOffset.Now;
         var dateMax = DateTimeOffset.Now.AddSeconds(count-1);
         IEnumerable<TimestampedSetDto> testSets = Generate(count, dateMin.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
         var tolerance = TimeSpan.FromSeconds(1);
 
         // act
@@ -195,7 +195,7 @@ public class TimestampedSetControllerTest : BaseIntegrationTest
         Guid idDiscriminator = Guid.NewGuid();
         int count = 144;
         IEnumerable<TimestampedSetDto> testSets = Generate(count, DateTimeOffset.Now.ToOffset(TimeSpan.FromHours(7)));
-        var insertResponse = await client.InsertRange(idDiscriminator, testSets);
+        var insertResponse = await client.AddRange(idDiscriminator, testSets);
 
         // act
         var response = await client.Count(idDiscriminator);
diff --git a/Persistence.IntegrationTests/Extensions/EFCoreExtensions.cs b/Persistence.IntegrationTests/Extensions/EFCoreExtensions.cs
new file mode 100644
index 0000000..6b09587
--- /dev/null
+++ b/Persistence.IntegrationTests/Extensions/EFCoreExtensions.cs
@@ -0,0 +1,14 @@
+using Persistence.Database.Model;
+
+namespace Persistence.IntegrationTests.Extensions;
+
+public static class EFCoreExtensions
+{
+	public static void CleanupDbSet<T>(this PersistenceDbContext dbContext)
+	   where T : class
+	{
+		var dbset = dbContext.Set<T>();
+		dbset.RemoveRange(dbset);
+		dbContext.SaveChanges();
+	}
+}
diff --git a/Persistence.Repository/Data/SetpointDto.cs b/Persistence.Repository/Data/SetpointDto.cs
deleted file mode 100644
index 4a20aa4..0000000
--- a/Persistence.Repository/Data/SetpointDto.cs
+++ /dev/null
@@ -1,28 +0,0 @@
-namespace Persistence.Repository.Data
-{
-	/// <summary>
-	/// Модель для работы с уставкой
-	/// </summary>
-	public class SetpointDto
-	{
-		/// <summary>
-		/// Идентификатор уставки
-		/// </summary>
-		public int Id { get; set; }
-
-		/// <summary>
-		/// Значение уставки
-		/// </summary>
-		public required object Value { get; set; }
-
-		/// <summary>
-		/// Дата сохранения уставки
-		/// </summary>
-		public DateTimeOffset Edit { get; set; }
-
-		/// <summary>
-		/// Ключ пользователя
-		/// </summary>
-		public int IdUser { get; set; }
-	}
-}
diff --git a/Persistence.Repository/DependencyInjection.cs b/Persistence.Repository/DependencyInjection.cs
index e79c555..e353d30 100644
--- a/Persistence.Repository/DependencyInjection.cs
+++ b/Persistence.Repository/DependencyInjection.cs
@@ -19,6 +19,7 @@ public static class DependencyInjection
         services.AddTransient<ISetpointRepository, SetpointRepository>();
         services.AddTransient<ITimeSeriesDataRepository<DataSaubDto>, TimeSeriesDataCachedRepository<DataSaub, DataSaubDto>>();
         services.AddTransient<ITimestampedSetRepository, TimestampedSetRepository>();
+		services.AddTransient<ITechMessagesRepository, TechMessagesRepository>();
 
         return services;
     }
diff --git a/Persistence.Repository/Extensions/EFExtensionsSortBy.cs b/Persistence.Repository/Extensions/EFExtensionsSortBy.cs
new file mode 100644
index 0000000..03b9c65
--- /dev/null
+++ b/Persistence.Repository/Extensions/EFExtensionsSortBy.cs
@@ -0,0 +1,267 @@
+using System.Collections.Concurrent;
+using System.Linq.Expressions;
+using System.Reflection;
+
+namespace Persistence.Repository.Extensions;
+
+public static class EFExtensionsSortBy
+{
+    struct TypeAccessor
+    {
+        public LambdaExpression KeySelector { get; set; }
+        public MethodInfo OrderBy { get; set; }
+        public MethodInfo OrderByDescending { get; set; }
+        public MethodInfo ThenBy { get; set; }
+        public MethodInfo ThenByDescending { get; set; }
+    }
+
+    private static ConcurrentDictionary<Type, Dictionary<string, TypeAccessor>> TypePropSelectors { get; set; } =
+        new();
+
+    private static readonly MethodInfo methodOrderBy = GetExtOrderMethod("OrderBy");
+
+    private static readonly MethodInfo methodOrderByDescending = GetExtOrderMethod("OrderByDescending");
+
+    private static readonly MethodInfo methodThenBy = GetExtOrderMethod("ThenBy");
+
+    private static readonly MethodInfo methodThenByDescending = GetExtOrderMethod("ThenByDescending");
+
+    private static MethodInfo GetExtOrderMethod(string methodName)
+        => typeof(Queryable)
+            .GetMethods()
+            .Where(m => m.Name == methodName &&
+                        m.IsGenericMethodDefinition &&
+                        m.GetParameters().Length == 2 &&
+                        m.GetParameters()[1].ParameterType.IsAssignableTo(typeof(LambdaExpression)))
+            .Single();
+
+    private static Dictionary<string, TypeAccessor> MakeTypeAccessors(Type type)
+    {
+        var propContainer = new Dictionary<string, TypeAccessor>();
+        var properties = type.GetProperties();
+        foreach (var propertyInfo in properties)
+        {
+            var name = propertyInfo.Name.ToLower();
+            ParameterExpression arg = Expression.Parameter(type, "x");
+            MemberExpression property = Expression.Property(arg, propertyInfo.Name);
+            var selector = Expression.Lambda(property, new ParameterExpression[] { arg });
+            var typeAccessor = new TypeAccessor
+            {
+                KeySelector = selector,
+                OrderBy = methodOrderBy.MakeGenericMethod(type, propertyInfo.PropertyType),
+                OrderByDescending = methodOrderByDescending.MakeGenericMethod(type, propertyInfo.PropertyType),
+                ThenBy = methodThenBy.MakeGenericMethod(type, propertyInfo.PropertyType),
+                ThenByDescending = methodThenByDescending.MakeGenericMethod(type, propertyInfo.PropertyType),
+            };
+
+            propContainer.Add(name, typeAccessor);
+        }
+
+        return propContainer;
+    }
+
+    /// <summary>
+    /// Добавить в запрос сортировку по возрастанию или убыванию.
+    /// </summary>
+    /// <typeparam name="TSource"></typeparam>
+    /// <param name="query"></param>
+    /// <param name="propertySort">
+    /// Свойство сортировки.
+    /// Состоит из названия свойства (в любом регистре) 
+    /// и опционально указания направления сортировки "asc" или "desc"
+    /// </param>
+    /// <example>
+    /// var query = query("Date desc");
+    /// </example>
+    /// <returns>Запрос с примененной сортировкой</returns>
+    public static IOrderedQueryable<TSource> SortBy<TSource>(
+        this IQueryable<TSource> query,
+        IEnumerable<string> propertySorts)
+    {
+        if (propertySorts?.Any() != true)
+            return (IOrderedQueryable<TSource>)query;
+
+        var sortEnum = propertySorts.GetEnumerator();
+        sortEnum.MoveNext();
+        var orderedQuery = query.SortBy(sortEnum.Current);
+
+        while (sortEnum.MoveNext())
+            orderedQuery = orderedQuery.ThenSortBy(sortEnum.Current);
+
+        return orderedQuery;
+    }
+
+    /// <summary>
+    /// Добавить в запрос сортировку по возрастанию или убыванию.
+    /// Этот метод сбросит ранее наложенные сортировки.
+    /// </summary>
+    /// <typeparam name="TSource"></typeparam>
+    /// <param name="query"></param>
+    /// <param name="propertySort">
+    /// Свойство сортировки.
+    /// Состоит из названия свойства (в любом регистре) 
+    /// и опционально указания направления сортировки "asc" или "desc"
+    /// </param>
+    /// <example>
+    /// var query = query("Date desc");
+    /// </example>
+    /// <returns>Запрос с примененной сортировкой</returns>
+    public static IOrderedQueryable<TSource> SortBy<TSource>(
+        this IQueryable<TSource> query,
+        string propertySort)
+    {
+        var parts = propertySort.Split(" ", 2, StringSplitOptions.RemoveEmptyEntries);
+        var isDesc = parts.Length >= 2 && parts[1].ToLower().Trim() == "desc";
+        var propertyName = parts[0];
+
+        var newQuery = query.SortBy(propertyName, isDesc);
+        return newQuery;
+    }
+
+    /// <summary>
+    /// Добавить в запрос дополнительную сортировку по возрастанию или убыванию.
+    /// </summary>
+    /// <typeparam name="TSource"></typeparam>
+    /// <param name="query"></param>
+    /// <param name="propertySort">
+    /// Свойство сортировки.
+    /// Состоит из названия свойства (в любом регистре) 
+    /// и опционально указания направления сортировки "asc" или "desc"
+    /// </param>
+    /// <example>
+    /// var query = query("Date desc");
+    /// </example>
+    /// <returns>Запрос с примененной сортировкой</returns>
+    public static IOrderedQueryable<TSource> ThenSortBy<TSource>(
+        this IOrderedQueryable<TSource> query,
+        string propertySort)
+    {
+        var parts = propertySort.Split(" ", 2, StringSplitOptions.RemoveEmptyEntries);
+        var isDesc = parts.Length >= 2 && parts[1].ToLower().Trim() == "desc";
+        var propertyName = parts[0];
+
+        var newQuery = query.ThenSortBy(propertyName, isDesc);
+        return newQuery;
+    }
+
+    /// <summary>
+    /// Добавить в запрос сортировку по возрастанию или убыванию
+    /// </summary>
+    /// <typeparam name="TSource"></typeparam>
+    /// <param name="query"></param>
+    /// <param name="propertyName">Название свойства (в любом регистре)</param>
+    /// <param name="isDesc">Сортировать по убыванию</param>
+    /// <returns>Запрос с примененной сортировкой</returns>
+    public static IOrderedQueryable<TSource> SortBy<TSource>(
+        this IQueryable<TSource> query,
+        string propertyName,
+        bool isDesc)
+    {
+        Type rootType = typeof(TSource);
+        var typePropSelector = TypePropSelectors.GetOrAdd(rootType, MakeTypeAccessors);
+        var propertyNameLower = propertyName.ToLower();
+
+        MethodInfo orderByDescending;
+        MethodInfo orderByAscending;
+
+        LambdaExpression? lambdaExpression = null;
+
+        if (propertyName.Contains('.'))
+        {
+            Type type = rootType;
+            ParameterExpression rootExpression = Expression.Parameter(rootType, "x");
+            Expression expr = rootExpression;
+
+            var propertyPath = propertyName.Split(".", StringSplitOptions.RemoveEmptyEntries);
+
+            for (int i = 0; i < propertyPath.Length; i++)
+            {
+                PropertyInfo pi = type.GetProperty(propertyPath[i])!;
+                expr = Expression.Property(expr, pi);
+                type = pi.PropertyType;
+            }
+
+            Type delegateType = typeof(Func<,>).MakeGenericType(rootType, type);
+            lambdaExpression = Expression.Lambda(delegateType, expr, rootExpression);
+
+            orderByAscending = methodOrderBy.MakeGenericMethod(rootType, type);
+            orderByDescending = methodOrderByDescending.MakeGenericMethod(rootType, type);
+        }
+        else
+        {
+            var rootTypeAccessor = typePropSelector[propertyNameLower];
+            orderByAscending = rootTypeAccessor.OrderBy;
+            orderByDescending = rootTypeAccessor.OrderByDescending;
+            lambdaExpression = rootTypeAccessor.KeySelector;
+        }
+
+        var genericMethod = isDesc
+            ? orderByDescending
+            : orderByAscending;
+
+        var newQuery = (IOrderedQueryable<TSource>)genericMethod
+            .Invoke(genericMethod, new object[] { query, lambdaExpression })!;
+        return newQuery;
+    }
+
+    /// <summary>
+    /// Добавить в запрос дополнительную сортировку по возрастанию или убыванию
+    /// </summary>
+    /// <typeparam name="TSource"></typeparam>
+    /// <param name="query"></param>
+    /// <param name="propertyName">Название свойства (в любом регистре)</param>
+    /// <param name="isDesc">Сортировать по убыванию</param>
+    /// <returns>Запрос с примененной сортировкой</returns>
+    public static IOrderedQueryable<TSource> ThenSortBy<TSource>(
+        this IOrderedQueryable<TSource> query,
+        string propertyName,
+        bool isDesc)
+    {
+        Type rootType = typeof(TSource);
+        var typePropSelector = TypePropSelectors.GetOrAdd(rootType, MakeTypeAccessors);
+        var propertyNameLower = propertyName.ToLower();
+
+        MethodInfo orderByDescending;
+        MethodInfo orderByAscending;
+
+        LambdaExpression? lambdaExpression = null;
+
+        // TODO: Устранить дублирование кода
+        if (propertyName.Contains('.'))
+        {
+            Type type = rootType;
+            ParameterExpression rootExpression = Expression.Parameter(rootType, "x");
+            Expression expr = rootExpression;
+
+            var propertyPath = propertyName.Split(".", StringSplitOptions.RemoveEmptyEntries);
+
+            for (int i = 0; i < propertyPath.Length; i++)
+            {
+                PropertyInfo pi = type.GetProperty(propertyPath[i])!;
+                expr = Expression.Property(expr, pi);
+                type = pi.PropertyType;
+            }
+
+            Type delegateType = typeof(Func<,>).MakeGenericType(rootType, type);
+            lambdaExpression = Expression.Lambda(delegateType, expr, rootExpression);
+
+            orderByAscending = methodThenBy.MakeGenericMethod(rootType, type);
+            orderByDescending = methodThenByDescending.MakeGenericMethod(rootType, type);
+        }
+        else
+        {
+            var rootTypeAccessor = typePropSelector[propertyNameLower];
+            orderByAscending = rootTypeAccessor.ThenBy;
+            orderByDescending = rootTypeAccessor.ThenByDescending;
+            lambdaExpression = rootTypeAccessor.KeySelector;
+        }
+
+        var genericMethod = isDesc
+            ? orderByDescending
+            : orderByAscending;
+
+        var newQuery = (IOrderedQueryable<TSource>)genericMethod
+            .Invoke(genericMethod, new object[] { query, lambdaExpression })!;
+        return newQuery;
+    }
+}
\ No newline at end of file
diff --git a/Persistence.Repository/Repositories/SetpointRepository.cs b/Persistence.Repository/Repositories/SetpointRepository.cs
index 7f81c29..f0e921f 100644
--- a/Persistence.Repository/Repositories/SetpointRepository.cs
+++ b/Persistence.Repository/Repositories/SetpointRepository.cs
@@ -43,6 +43,38 @@ namespace Persistence.Repository.Repositories
 			return dtos;
 		}
 
+		public async Task<IEnumerable<SetpointLogDto>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token)
+		{
+			var query = GetQueryReadOnly();
+			var entities = await query
+				.Where(e => e.Created >= dateBegin)
+				.Take(take)
+				.ToArrayAsync(token);
+			var dtos = entities
+				.Select(e => e.Adapt<SetpointLogDto>());
+
+			return dtos;
+		}
+
+		public async Task<DatesRangeDto> GetDatesRangeAsync(CancellationToken token)
+		{
+			var query = GetQueryReadOnly()
+				.GroupBy(e => 1)
+				.Select(group => new
+				{
+					Min = group.Min(e => e.Created),
+					Max = group.Max(e => e.Created),
+				});
+			var values = await query.FirstOrDefaultAsync(token);
+			var result = new DatesRangeDto()
+			{
+				From = values?.Min ?? DateTimeOffset.MinValue,
+				To = values?.Max ?? DateTimeOffset.MaxValue
+			};
+
+			return result;
+		}
+
 		public async Task<Dictionary<Guid, IEnumerable<SetpointLogDto>>> GetLog(IEnumerable<Guid> setpointKeys, CancellationToken token)
 		{
 			var query = GetQueryReadOnly();
@@ -56,7 +88,7 @@ namespace Persistence.Repository.Repositories
 			return dtos;
 		}
 
-		public async Task Save(Guid setpointKey, object newValue, int idUser, CancellationToken token)
+		public async Task Add(Guid setpointKey, object newValue, Guid idUser, CancellationToken token)
 		{
 			var entity = new Setpoint()
 			{
diff --git a/Persistence.Repository/Repositories/TechMessagesRepository.cs b/Persistence.Repository/Repositories/TechMessagesRepository.cs
new file mode 100644
index 0000000..c838619
--- /dev/null
+++ b/Persistence.Repository/Repositories/TechMessagesRepository.cs
@@ -0,0 +1,177 @@
+using Mapster;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Caching.Memory;
+using Persistence.Database.Entity;
+using Persistence.Models;
+using Persistence.Repositories;
+using Persistence.Repository.Extensions;
+
+namespace Persistence.Repository.Repositories
+{
+	public class TechMessagesRepository : ITechMessagesRepository
+	{
+		private static readonly string SystemCacheKey = $"{typeof(Database.Entity.DrillingSystem).FullName}CacheKey";
+		private const int CacheExpirationInMinutes = 60;
+		private readonly IMemoryCache memoryCache;
+		private DbContext db;
+
+		public TechMessagesRepository(DbContext db, IMemoryCache memoryCache)
+		{
+			this.memoryCache = memoryCache;
+			this.db = db;
+		}
+
+		protected virtual IQueryable<TechMessage> GetQueryReadOnly() => db.Set<TechMessage>()
+			.Include(e => e.System);
+
+		public async Task<PaginationContainer<TechMessageDto>> GetPage(RequestDto request, CancellationToken token)
+		{
+			var query = GetQueryReadOnly();
+			var count = await query.CountAsync(token);
+
+			var sort = request.SortSettings != string.Empty 
+				? request.SortSettings 
+				: nameof(TechMessage.Timestamp);
+			var entities = await query
+				.SortBy(request.SortSettings)
+				.Skip(request.Skip)
+				.Take(request.Take)
+				.ToArrayAsync(token);
+
+			var dto = new PaginationContainer<TechMessageDto>()
+			{
+				Skip = request.Skip,
+				Take = request.Take,
+				Count = count,
+				Items = entities.Select(e => e.Adapt<TechMessageDto>())
+			};
+
+			return dto;
+		}
+
+		public async Task<IEnumerable<MessagesStatisticDto>> GetStatistics(IEnumerable<string> autoDrillingSystem, IEnumerable<int> categoryIds, CancellationToken token)
+		{
+			var query = GetQueryReadOnly();
+			var systems = autoDrillingSystem.Select(s => s.ToLower().Trim());
+			var result = await query
+				.Where(e => systems.Count() == 0 || systems.Contains(e.System.Name.ToLower().Trim()))
+				.GroupBy(e => e.System.Name, (key, group) => new
+				{
+					System = key,
+					Categories = group
+						.Where(g => categoryIds.Count() == 0 || categoryIds.Contains(g.CategoryId))
+				})
+				.ToArrayAsync(token);
+
+			var entities = new List<MessagesStatisticDto>();
+			foreach (var e in result)
+			{
+				var categories = e.Categories
+					.GroupBy(g => g.CategoryId)
+					.ToDictionary(c => c.Key, v => v.Count());
+				var entity = new MessagesStatisticDto()
+				{
+					System = e.System,
+					Categories = categories
+				};
+				entities.Add(entity);
+			}
+
+			return entities;
+		}
+
+		public async Task<IEnumerable<string>> GetSystems(CancellationToken token)
+		{
+			var entities = await GetDrillingSystems(token);
+			var result = entities.Select(e => e.Name);
+
+			return result;
+		}
+
+		public async Task<int> AddRange(IEnumerable<TechMessageDto> dtos, Guid userId, CancellationToken token)
+		{
+
+			var entities = new List<TechMessage>();
+			foreach (var dto in dtos)
+			{
+				var entity = dto.Adapt<TechMessage>();
+				var systems = await GetDrillingSystems(token);
+				var systemId = systems.FirstOrDefault(e => e.Name.ToLower().Trim() == dto.System.ToLower().Trim())?.SystemId
+					?? await CreateDrillingSystem(dto.System, token);
+
+				entity.SystemId = systemId;
+				entity.UserId = userId;
+
+				entities.Add(entity);
+			}
+
+			await db.Set<TechMessage>().AddRangeAsync(entities, token);
+			var result = await db.SaveChangesAsync(token);
+
+			return result;
+		}
+
+		public async Task<IEnumerable<TechMessageDto>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token)
+		{
+			var query = GetQueryReadOnly();
+			var entities = await query
+				.Where(e => e.Timestamp >= dateBegin)
+				.Take(take)
+				.ToArrayAsync(token);
+			var dtos = entities
+				.Select(e => e.Adapt<TechMessageDto>());
+
+			return dtos;
+		}
+
+		public async Task<DatesRangeDto> GetDatesRangeAsync(CancellationToken token)
+		{
+			var query = GetQueryReadOnly()
+				.GroupBy(e => 1)
+				.Select(group => new
+				{
+					Min = group.Min(e => e.Timestamp),
+					Max = group.Max(e => e.Timestamp),
+				});
+			var values = await query.FirstOrDefaultAsync(token);
+			var result = new DatesRangeDto()
+			{
+				From = values?.Min ?? DateTimeOffset.MinValue,
+				To = values?.Max ?? DateTimeOffset.MaxValue
+			};
+
+			return result;
+		}
+
+		private async Task<IEnumerable<Models.DrillingSystemDto>> GetDrillingSystems(CancellationToken token)
+		{
+			var systems = await memoryCache.GetOrCreateAsync(SystemCacheKey, async f =>
+			{
+				f.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(CacheExpirationInMinutes);
+
+				var query = db.Set<Database.Entity.DrillingSystem>();
+				var entities = await query.ToListAsync(token);
+				var dtos = entities.Select(e => e.Adapt<Models.DrillingSystemDto>());
+
+				return dtos;
+			});
+
+			return systems!;
+		}
+		private async Task<Guid> CreateDrillingSystem(string name, CancellationToken token)
+		{
+			memoryCache.Remove(SystemCacheKey);
+
+			var entity = new Database.Entity.DrillingSystem()
+			{
+				SystemId = default,
+				Name = name.ToLower().Trim()
+			};
+
+			await db.Set<Database.Entity.DrillingSystem>().AddAsync(entity);
+			await db.SaveChangesAsync(token);
+
+			return entity.SystemId;
+		}
+	}
+}
diff --git a/Persistence.Repository/Repositories/TimeSeriesDataCachedRepository.cs b/Persistence.Repository/Repositories/TimeSeriesDataCachedRepository.cs
index 20dbe00..2037f09 100644
--- a/Persistence.Repository/Repositories/TimeSeriesDataCachedRepository.cs
+++ b/Persistence.Repository/Repositories/TimeSeriesDataCachedRepository.cs
@@ -48,9 +48,9 @@ public class TimeSeriesDataCachedRepository<TEntity, TDto> : TimeSeriesDataRepos
         return items;
     }
 
-    public override async Task<int> InsertRange(IEnumerable<TDto> dtos, CancellationToken token)
+    public override async Task<int> AddRange(IEnumerable<TDto> dtos, CancellationToken token)
     {
-        var result = await base.InsertRange(dtos, token);
+        var result = await base.AddRange(dtos, token);
         if (result > 0)
         {
             
diff --git a/Persistence.Repository/Repositories/TimeSeriesDataRepository.cs b/Persistence.Repository/Repositories/TimeSeriesDataRepository.cs
index d73caf7..0e58c76 100644
--- a/Persistence.Repository/Repositories/TimeSeriesDataRepository.cs
+++ b/Persistence.Repository/Repositories/TimeSeriesDataRepository.cs
@@ -41,7 +41,7 @@ public class TimeSeriesDataRepository<TEntity, TDto> : ITimeSeriesDataRepository
         return dtos;
     }
 
-    public virtual async Task<int> InsertRange(IEnumerable<TDto> dtos, CancellationToken token)
+    public virtual async Task<int> AddRange(IEnumerable<TDto> dtos, CancellationToken token)
     {
         var entities = dtos.Select(d => d.Adapt<TEntity>());
 
diff --git a/Persistence.Repository/Repositories/TimestampedSetRepository.cs b/Persistence.Repository/Repositories/TimestampedSetRepository.cs
index ad9a6cf..a67b823 100644
--- a/Persistence.Repository/Repositories/TimestampedSetRepository.cs
+++ b/Persistence.Repository/Repositories/TimestampedSetRepository.cs
@@ -20,7 +20,7 @@ public class TimestampedSetRepository : ITimestampedSetRepository
         this.db = db;
     }
 
-    public Task<int> InsertRange(Guid idDiscriminator, IEnumerable<TimestampedSetDto> sets, CancellationToken token)
+    public Task<int> AddRange(Guid idDiscriminator, IEnumerable<TimestampedSetDto> sets, CancellationToken token)
     {
         var entities = sets.Select(set => new TimestampedSet(idDiscriminator, set.Timestamp.ToUniversalTime(), set.Set));
         var dbSet = db.Set<TimestampedSet>();
diff --git a/Persistence/API/ISetpointApi.cs b/Persistence/API/ISetpointApi.cs
index 7af0895..b1504a2 100644
--- a/Persistence/API/ISetpointApi.cs
+++ b/Persistence/API/ISetpointApi.cs
@@ -6,7 +6,7 @@ namespace Persistence.API;
 /// <summary>
 /// Интерфейс для API, предназначенного для работы с уставками
 /// </summary>
-public interface ISetpointApi
+public interface ISetpointApi : ISyncApi<SetpointLogDto>
 {
     /// <summary>
     /// Получить актуальные значения уставок
@@ -33,12 +33,12 @@ public interface ISetpointApi
     /// <returns></returns>
     Task<ActionResult<Dictionary<Guid, IEnumerable<SetpointLogDto>>>> GetLog(IEnumerable<Guid> setpoitKeys, CancellationToken token);
 
-    /// <summary>
-    /// Метод сохранения уставки
-    /// </summary>
-    /// <param name="setpointKey">ключ уставки</param>
-    /// <param name="newValue">значение</param>
-    /// <param name="token"></param>
-    /// <returns></returns>
-    Task<ActionResult<int>> Save(Guid setpointKey, object newValue, CancellationToken token);
+	/// <summary>
+	/// Метод сохранения уставки
+	/// </summary>
+	/// <param name="setpointKey">ключ уставки</param>
+	/// <param name="newValue">значение</param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	Task<IActionResult> Add(Guid setpointKey, object newValue, CancellationToken token);
 }
diff --git a/Persistence/API/ISyncApi.cs b/Persistence/API/ISyncApi.cs
index 7f72812..e630ee7 100644
--- a/Persistence/API/ISyncApi.cs
+++ b/Persistence/API/ISyncApi.cs
@@ -6,7 +6,7 @@ namespace Persistence.API;
 /// <summary>
 /// Интерфейс для API, предназначенного для синхронизации данных
 /// </summary>
-public interface ISyncApi<TDto> where TDto : class, new()
+public interface ISyncApi<TDto>
 {
     /// <summary>
     /// Получить порцию записей, начиная с заданной даты 
diff --git a/Persistence/API/ITimeSeriesDataApi.cs b/Persistence/API/ITimeSeriesDataApi.cs
index a2406aa..51b9332 100644
--- a/Persistence/API/ITimeSeriesDataApi.cs
+++ b/Persistence/API/ITimeSeriesDataApi.cs
@@ -28,7 +28,7 @@ public interface ITimeSeriesDataApi<TDto> : ITimeSeriesBaseDataApi<TDto>
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> InsertRange(IEnumerable<TDto> dtos, CancellationToken token);
+    Task<IActionResult> AddRange(IEnumerable<TDto> dtos, CancellationToken token);
 
 
 }
diff --git a/Persistence/Models/DrillingSystemDto.cs b/Persistence/Models/DrillingSystemDto.cs
new file mode 100644
index 0000000..c2e7abc
--- /dev/null
+++ b/Persistence/Models/DrillingSystemDto.cs
@@ -0,0 +1,22 @@
+namespace Persistence.Models;
+
+/// <summary>
+/// Модель системы автобурения
+/// </summary>
+public class DrillingSystemDto
+{
+	/// <summary>
+	/// Ключ
+	/// </summary>
+	public Guid SystemId { get; set; }
+
+	/// <summary>
+	/// Наименование
+	/// </summary>
+	public required string Name { get; set; }
+
+	/// <summary>
+	/// Описание
+	/// </summary>
+	public string? Description { get; set; }
+}
diff --git a/Persistence/Models/MessagesStatisticDto.cs b/Persistence/Models/MessagesStatisticDto.cs
new file mode 100644
index 0000000..08f0edd
--- /dev/null
+++ b/Persistence/Models/MessagesStatisticDto.cs
@@ -0,0 +1,17 @@
+namespace Persistence.Models;
+
+/// <summary>
+/// Статистика сообщений по системам бурения
+/// </summary>
+public class MessagesStatisticDto
+{
+	/// <summary>
+	/// Система бурения
+	/// </summary>
+	public required string System {  get; set; }
+
+	/// <summary>
+	/// Количество сообщений в соответствии с категориями важности
+	/// </summary>
+	public required Dictionary<int, int> Categories { get; set; }
+}
diff --git a/Persistence/Models/SetpointLogDto.cs b/Persistence/Models/SetpointLogDto.cs
index 484be7a..4aa61b5 100644
--- a/Persistence/Models/SetpointLogDto.cs
+++ b/Persistence/Models/SetpointLogDto.cs
@@ -13,5 +13,5 @@ public class SetpointLogDto : SetpointValueDto
     /// <summary>
     /// Ключ пользователя
     /// </summary>
-    public int IdUser { get; set; }
+    public Guid IdUser { get; set; }
 }
diff --git a/Persistence/Models/TechMessageDto.cs b/Persistence/Models/TechMessageDto.cs
new file mode 100644
index 0000000..84da656
--- /dev/null
+++ b/Persistence/Models/TechMessageDto.cs
@@ -0,0 +1,52 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Persistence.Models
+{
+	/// <summary>
+	/// Модель технологического сообщения
+	/// </summary>
+	public class TechMessageDto
+	{
+		/// <summary>
+		/// Id события
+		/// </summary>
+		[Required]
+		public Guid EventId { get; set; }
+
+		/// <summary>
+		/// Id Категории важности
+		/// </summary>
+		[Range(0, int.MaxValue, ErrorMessage = "Id Категории важности не может быть меньше 0")]
+		public int CategoryId {  get; set; }
+
+		/// <summary>
+		/// Дата возникновения
+		/// </summary>
+		public DateTimeOffset Timestamp { get; set; }
+
+		/// <summary>
+		/// Глубина забоя
+		/// </summary>
+		[Range(0, double.MaxValue, ErrorMessage = "Глубина забоя не может быть меньше 0")]
+		public double? Depth {  get; set; }
+
+		/// <summary>
+		/// Текст сообщения
+		/// </summary>
+		[Required]
+		[StringLength(512, MinimumLength = 1, ErrorMessage = "Допустимая длина текста сообщения от 1 до 512 символов")]
+		public required string MessageText { get; set; }
+
+		/// <summary>
+		/// Система автобурения, к которой относится сообщение
+		/// </summary>
+		[Required]
+		[StringLength(256, MinimumLength = 1, ErrorMessage = "Допустимая длина наименования системы АБ от 1 до 256 символов")]
+		public required string System { get; set; }
+
+		/// <summary>
+		/// Id пользователя за пультом бурильщика
+		/// </summary>
+		public Guid UserId { get; set; }
+	}
+}
diff --git a/Persistence/Repositories/AbstractChangeLogRepository.cs b/Persistence/Repositories/AbstractChangeLogRepository.cs
index 88cf511..d7b1cbc 100644
--- a/Persistence/Repositories/AbstractChangeLogRepository.cs
+++ b/Persistence/Repositories/AbstractChangeLogRepository.cs
@@ -74,7 +74,7 @@ namespace Persistence.Repositories;
 //        throw new NotImplementedException();
 //    }
 
-//    public async Task<int> InsertRange(int idUser, IEnumerable<TDto> dtos, CancellationToken token)
+//    public async Task<int> AddRange(int idUser, IEnumerable<TDto> dtos, CancellationToken token)
 //    {
 //        using var transaction = dbContext.Database.BeginTransaction();
 //        try
diff --git a/Persistence/Repositories/ISetpointRepository.cs b/Persistence/Repositories/ISetpointRepository.cs
index 1d82b16..502b44a 100644
--- a/Persistence/Repositories/ISetpointRepository.cs
+++ b/Persistence/Repositories/ISetpointRepository.cs
@@ -1,3 +1,4 @@
+using Microsoft.AspNetCore.Mvc;
 using Persistence.Models;
 
 namespace Persistence.Repositories;
@@ -7,13 +8,13 @@ namespace Persistence.Repositories;
 /// </summary>
 public interface ISetpointRepository
 {
-	/// <summary>
-	/// Получить значения уставок по набору ключей
-	/// </summary>
-	/// <param name="setpointKeys"></param>
-	/// <param name="token"></param>
-	/// <returns></returns>
-	Task<IEnumerable<SetpointValueDto>> GetCurrent(IEnumerable<Guid> setpointKeys, CancellationToken token);
+    /// <summary>
+    /// Получить значения уставок по набору ключей
+    /// </summary>
+    /// <param name="setpointKeys"></param>
+    /// <param name="token"></param>
+    /// <returns></returns>
+    Task<IEnumerable<SetpointValueDto>> GetCurrent(IEnumerable<Guid> setpointKeys, CancellationToken token);
 
 	/// <summary>
 	/// Получить значения уставок за определенный момент времени
@@ -32,15 +33,31 @@ public interface ISetpointRepository
     /// <returns></returns>
     Task<Dictionary<Guid, IEnumerable<SetpointLogDto>>> GetLog(IEnumerable<Guid> setpointKeys, CancellationToken token);
 
-    /// <summary>
-    /// Метод сохранения уставки
-    /// </summary>
-    /// <param name="setpointKey">ключ операции</param>
-    /// <param name="idUser">ключ пользователя</param>
-    /// <param name="newValue">значение</param>
-    /// <param name="token"></param>
-    /// <returns></returns>
-    /// to do
-    /// id User учесть в соответствующем методе репозитория
-    Task Save(Guid setpointKey, object newValue, int idUser, CancellationToken token);
+	/// <summary>
+	/// Получить порцию записей, начиная с заданной даты 
+	/// </summary>
+	/// <param name="dateBegin"></param>
+	/// <param name="take"></param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	Task<IEnumerable<SetpointLogDto>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token);
+
+	/// <summary>
+	/// Получить диапазон дат, для которых есть данные в репозитории
+	/// </summary>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	Task<DatesRangeDto> GetDatesRangeAsync(CancellationToken token);
+
+	/// <summary>
+	/// Метод сохранения уставки
+	/// </summary>
+	/// <param name="setpointKey">ключ операции</param>
+	/// <param name="idUser">ключ пользователя</param>
+	/// <param name="newValue">значение</param>
+	/// <param name="token"></param>
+	/// <returns></returns>
+	/// to do
+	/// id User учесть в соответствующем методе репозитория
+	Task Add(Guid setpointKey, object newValue, Guid idUser, CancellationToken token);
 }
diff --git a/Persistence/Repositories/ITechMessagesRepository.cs b/Persistence/Repositories/ITechMessagesRepository.cs
new file mode 100644
index 0000000..92e8f70
--- /dev/null
+++ b/Persistence/Repositories/ITechMessagesRepository.cs
@@ -0,0 +1,59 @@
+using System.Threading.Tasks;
+using Persistence.Models;
+
+namespace Persistence.Repositories
+{
+	/// <summary>
+	/// Интерфейс по работе с технологическими сообщениями
+	/// </summary>
+	public interface ITechMessagesRepository
+	{
+		/// <summary>
+		/// Получить страницу списка объектов
+		/// </summary>
+		/// <param name="request"></param>
+		/// <param name="token"></param>
+		/// <returns></returns>
+		Task<PaginationContainer<TechMessageDto>> GetPage(RequestDto request, CancellationToken token);
+
+		/// <summary>
+		/// Добавление новых сообщений
+		/// </summary>
+		/// <param name="dtos"></param>
+		/// <param name="token"></param>
+		/// <returns></returns>
+		Task<int> AddRange(IEnumerable<TechMessageDto> dtos, Guid userId, CancellationToken token);
+
+		/// <summary>
+		/// Получение списка уникальных названий систем АБ
+		/// </summary>
+		/// <param name="token"></param>
+		/// <returns></returns>
+		Task<IEnumerable<string>> GetSystems(CancellationToken token);
+
+		/// <summary>
+		/// Получение количества сообщений по категориям и системам автобурения
+		/// </summary>
+		/// <param name="categoryId">Id Категории важности</param>
+		/// <param name="autoDrillingSystem">Система автобурения</param>
+		/// <param name="token"></param>
+		/// <returns></returns>
+		Task<IEnumerable<MessagesStatisticDto>> GetStatistics(IEnumerable<string> autoDrillingSystem, IEnumerable<int> categoryIds, CancellationToken token);
+
+		/// <summary>
+		/// Получить порцию записей, начиная с заданной даты 
+		/// </summary>
+		/// <param name="dateBegin"></param>
+		/// <param name="take"></param>
+		/// <param name="token"></param>
+		/// <returns></returns>
+		Task<IEnumerable<TechMessageDto>> GetPart(DateTimeOffset dateBegin, int take, CancellationToken token);
+
+		/// <summary>
+		/// Получить диапазон дат, для которых есть данные в репозитории
+		/// </summary>
+		/// <param name="token"></param>
+		/// <returns></returns>
+		Task<DatesRangeDto> GetDatesRangeAsync(CancellationToken token);
+	}
+}
diff --git a/Persistence/Repositories/ITimeSeriesDataRepository.cs b/Persistence/Repositories/ITimeSeriesDataRepository.cs
index 9de7fc7..aa2c9ff 100644
--- a/Persistence/Repositories/ITimeSeriesDataRepository.cs
+++ b/Persistence/Repositories/ITimeSeriesDataRepository.cs
@@ -15,5 +15,5 @@ public interface ITimeSeriesDataRepository<TDto> : ISyncRepository<TDto>, ITimeS
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<int> InsertRange(IEnumerable<TDto> dtos, CancellationToken token);
+    Task<int> AddRange(IEnumerable<TDto> dtos, CancellationToken token);
 }
diff --git a/Persistence/Repositories/ITimestampedSetRepository.cs b/Persistence/Repositories/ITimestampedSetRepository.cs
index 27627c3..c350739 100644
--- a/Persistence/Repositories/ITimestampedSetRepository.cs
+++ b/Persistence/Repositories/ITimestampedSetRepository.cs
@@ -55,5 +55,5 @@ public interface ITimestampedSetRepository
     /// <param name="sets"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<int> InsertRange(Guid idDiscriminator, IEnumerable<TimestampedSetDto> sets, CancellationToken token);
+    Task<int> AddRange(Guid idDiscriminator, IEnumerable<TimestampedSetDto> sets, CancellationToken token);
 }
\ No newline at end of file