Modernization of telecommunications equipment for mobile operators MTS, MegaFon, and VimpelCom, including base stations and remote radio units located in the sub-platform collector and tunnel sections between stations. Installation of power and fiber-optic cables. Expansion of existing network paths from 1 Gbps to 10 Gbps. In specific cases: connection to radiating cables with adaptation of the existing antenna-feeder system.
Development of working documentation (sections RC, PS, PE, PS, MS)

Establishment of a distributed telephone network with a total capacity of over 1,500 subscribers utilizing IP telephony based on Avaya and Cisco telecommunications equipment. Development of a unified numbering plan and communication management schemes. The project includes: automated telephone exchanges with analog and digital lines, PSTN (Public Switched Telephone Network) integration, a billing system, and a hardware-software complex for remote maintenance and monitoring. Execution of design works (Project Documentation stage, 27 volumes), development and coordination of cost estimates.

Design of an IoT/LPWAN narrowband wireless network in the 863-876 MHz range along the Krasnoye-Kartaly railway section of the West-East Transport Corridor, with a total length of 2,577 km. Connection of base station equipment (copper/fiber) to the data network, Category 1 power supply and lightning protection. Utilization of existing masts or site selection for new 15m poles.
Conducting commission surveys with approved Acts; development of working documentation sections: Radio Technology (RT), Lightning Protection (LP and Metal Structures (MS).

Modernization of the TTK/Rostelecom transport network with the installation of a 40-channel DWDM (dense wavelength division multiplexing) system with a 100G capacity between nodes. Installation of Huawei OSN 9800 equipment in server racks with guaranteed power supply.
Development of project and working documentation for sections TS, EP (HVAC where necessary). Coordination of design solutions with railway services.

Creation of a multi-service network using Avaya's Definity telephony technology at Moscow Railway stations in Kashira, Kursk, Lyublino, Orel, Pavelets and Tula, with a capacity of over 10,000 numbers. Installation of an automated gas fire suppression system in the server rooms and fire alarm systems. 
Conducting surveys, developing and coordinating design and estimate documentation for sections: Telecommunication Systems (TS), Security Alarms Systems (SAS), and Fire Protection (FPS).

Development of low-voltage systems for a 6-story building exceeding 20,000 sq. m: automatic fire alarm system; fire alarm and evacuation management system; security and panic alarm system; video surveillance system; access control and management system.
Solution parameters: Axis video cameras (over 200); HP servers; Cisco switches; Eaton uninterruptible power supply; Siemens detectors (over 1000); InterM speakers; HID readers; cable routes (over 45 km).
Development and coordination of design and estimate documentation with the client, adjustments based on expert assessment results (8 albums).

Integrated security systems at two of the company's production sites: access control and management system; security and alarm system; video surveillance system.
Conducting a technical survey to clarify initial data, developing general technical requirements, design specifications, and cost estimates. Carrying out design work (Working Documentation stage). Equipment delivery, installation and commissioning, and commissioning of the security system system. Subsequently, scheduled system upgrades and maintenance.

Creation of a Wi-Fi backbone wireless access system between the plant's main production and casting areas. A high-speed data transmission channel with a total span of 5.6 km is required to ensure the reliable and efficient operation of engineering and computer systems, particularly security systems.
The following stages have been completed: pre-project surveys and design; system installation and commissioning; creation of a secure VPN channel; and scheduled equipment upgrades.

The data center's engineering systems include: power supply system, including lighting; uninterruptible power supply system; ventilation system; air conditioning system; gas and smoke removal system; fire extinguishing system; LAN cabling; video surveillance system; access control and management system.
Service Level Agreement (SLA-3): scheduled maintenance, repair and restoration work, commissioning, consulting, warranty management, and 24/7/365 monitoring.