Design of broadcasting radio office building
We have designed the radio broadcasting network of the radio stage of the taxiway for the building of the Business Center
DESIGNING OF TELEVISION RADIO
The project was completed in accordance with the terms of reference of FSUE RS JV 2. Characteristics of the facility The building is located near the administration building. The entrance to the lobby of office premises is provided from the side of the square - the public zone of the complex. On the ground floor, in addition to the premises belonging to the business center, there are shops and a restaurant. To increase the light front of office space from the second floor in the building provides a courtyard. Elevators are divided into two groups. The total height of the typical floor is 3.6 m, the ground floor is 4.8 m, the upper, eighth floor is 4.5 m. The height of the building to the eave is 31.7 m, the maximum building height is 37.00 m, which corresponds to the height parameters for this zone. 3. Purpose In accordance with the technical conditions (TU) and the technical task (TOR) for the development of the project of connecting to the RSCSA SPb, the equipment installed at the facility must ensure the reception of warning signals and sound broadcasting (SZ) - 3 radio programs and service program, as well as - amplification and retransmission of these signals through the object warning system (CCA). For the CCA, the alert system of the personnel on duty and the evacuation alert and control system (SOUE) are adopted. The building is subject to mandatory connection to the IP network. The RATSO signals are transmitted via the IP-VPN channel of Rostelecom's network to the local area network of the building, through which they are transmitted to the CCA, and there they are already distributed and converted in accordance with the tasks and functions of the CCA devices. 182-p from N In accordance with the specifications for (CCA) when an emergency occurs at the facility, the CCA must provide the transmission of the Attention All signal and the subsequent voice message from its own control panel. Thus, the voice alert system (RO) is assigned the function of transmitting voice messages not only from the center of the city relay network, but also from the local duty station. At the same time, the equipment control of the switchgear can be performed both automatically and manually by the system operator. The siren generator is built into the equipment of the CCA system. The equipment for receiving and retransmitting commands of the POCTS SPb includes: a Cisco 881-K9 router, a remote OTZVUK-PV-30 module for receiving and retransmitting PW signals from the POCCO, an RTU-Ethernet interface unit KRON.468351.008,705 to automatically turn on the system RO and SOUE devices and also uninterruptible power supply UPS APC SURT6000RMXLI (provided in the project of LAN) to support the performance of the above equipment at power failure. These devices are installed in the OP-1 alert rack on the 3rd floor and are in constant readiness to receive and send alert signals to the duty personnel and to the AEEP. Centralized notification is sent via the PF network to the rooms with PT-322-1 loudspeakers (30V version) connected to the subscriber line (AL) of the OTZVUK-PV-30 module, including for the staff on duty, and to the rest of the building and to the adjacent territory - by means of loudspeakers connected to the SOUE equipment. Installation locations of outdoor loudspeakers, see dubbing diagram.
PROJECT DOCUMENTATION OF RADIO
SOUE was built on the basis of Esser by Honeywell certified equipment (amplification equipment of the DOM4 series, external loudspeakers - 581226, microphone console - DCS15, cable production - KPSNG (A) -FRHF 1x2x2.5 Spetskabel). 4. Algorithm of work Centralized management of the system from the regional warning system of St. Petersburg takes place over an IP network. In normal condition, the equipment of the RT and SOUE systems are in standby mode, or they receive and transmit radio programs. Digital signals of pollutants are converted into an analog signal at the output of the OTZVUK-PV-30 module and the RTU-Ethernet KRON.468351.008,705 interface unit, as well as into triggering of relay contacts (only on RTU-Ethernet). In case of local emergency situations, notification should be made from the META-8510 microphone control panel. To start working with the remote control it is necessary with the help of the control dynamics of the alert system of the duty personnel to ensure that there is no alert process from the Regional automated centralized alert system. When working from a console, the rack is intercepted using the same algorithm as with a centralized launch. Priority in the management of the CCA is given to the central warning station of St. Petersburg. ATTENTION! EQUIPMENT OF VOICE MESSAGES MUST BE IN DURABLE MODE.
5. Network PV On the object to lay the subscriber network wired broadcast voltage of 30V. The subscriber network is to be made with ТРВ 2х0.5 wire, the trunk line - with ПППППМ-2х1,2 mm. In this case, only make a single wiring in PVC pipes behind the suspended ceiling and in the wall in the walls when cables are lowered to the radio outlet. Tube to fasten with clips, the distance between the clips - 500-600 mm. The splice boxes UK-2P should be installed in the risers and low-voltage rooms of the SS. The laying of the wires of the radio network should be performed at a distance of at least 25 cm from the wiring cables. As limiting boxes, use RON boxes in 2 directions (R = 240 Ohm; 0.25W), installed behind the suspended ceiling in the corridor. Radio points are installed in rooms with people around the clock in the premises of the complex operation service (see block diagram, sheet 3). Sockets are installed at a level of 1 m from a clean floor no further than 1 meter from a 220 V, 50 Hz power outlet, to enable the connection of a radio receiver. This project does not provide solutions for the construction of cable ducts to connect the projected building to the city cable network of wire broadcasting. The project of external networks of RT is carried out under a separate contract and is not included in the scope of this project documentation. 6. Power and Grounding Rack-mounted instruments should be grounded according to the package documentation. Connect the equipment to the grounding device from the existing ground bus 19 inch rack. Power supply of the central equipment to carry out from an uninterruptible power supply. The three-program loudspeakers are powered from the electrical outlets of the ~ 220B, 50 Hz network provided by the electrical part of the project