Rail safety standards

Recently, the quality supervision department issued opinions on local standards for the technical requirements for safety protection of urban rail transit. Station entrances and exits, platform floors, rails on platform floors without screen doors, public passages in stations, etc. are mandatory to install video surveillance systems. In addition, the platform layer also requires the installation of a congestion detection device.

According to the passenger flow classification, the quality supervision department pointed out that the Beijing urban rail transit is a relatively closed high-speed traffic system. The amount of evacuation is large, the access and flow are limited by objective conditions, and the internal ventilation is dependent on the ventilation system. weakness. Therefore, there are high requirements for public safety precautions. This standard includes the requirements for the establishment of six parts of the video security monitoring subsystem for rail transit, the monitoring and disposal of radioactive materials, and the detection and disposal of weapons and explosives dangerous goods, and is a safety precaution for the construction and renovation of existing urban rail transit lines. The system provides the technical basis. The standard proposes that the station is divided into four risk classes according to the passenger flow. Station design passenger flow of more than 30,000 passengers per hour is a level, as the key control stations. Between 20,000 and 30,000 passengers are transferred to the hub station at level 2. Less than 20,000 people are three and four.

Platforms to install congestion detection equipment important parts safety precautions Technical facilities configuration requirements, station entrances and exits, platform floors, platform layer track side without screen gates, public access within the station are mandatory to install video surveillance systems. It is recommended to set up a face image acquisition system at the entrances, exits, and platforms of stations. It is recommended to set up passenger flow statistics facilities at ticket gates and station entrances and exits. On the platform level, it is mandatory to set congestion detection equipment.

The video security monitoring subsystem requires that the frontal image of each passenger be captured not less than three times during the entire process of passengers entering and leaving the facility. The camera installed in the carriage should cover the entire carriage. At both ends of the train, cameras should be installed at the front and rear outside of the train. The installation of on-board image equipment and cables for trains should meet the requirements of the train operating environment.

The height of the rail line screen door shall not be less than 2 meters. The underground, ground and elevated station platforms of the new urban rail transit system shall all adopt the screen door system. Closed barriers should be set up on both sides of the surface traffic lanes, and the height of the closed barriers should not be less than 2 meters, and have a certain amount of anti-human damage capabilities. The structure of the closed barrier should be permeable and compatible with the surrounding environment. A guarded security guard post shall be set up every 400m on both sides of the ground traffic lane. More than two non-self-resetting emergency alarm buttons (recommended) should be installed at appropriate locations on the ground station platform and the underground station platform.

The chemical monitor is installed at the respiratory belt position. Other rail traffic should be installed with fixed chemical monitor facilities. The monitor should be installed at a vertical height equal to the position of the respiratory belt of the general population. It should not exceed 170 cm and should not be lower than 120 cm. Non-sealed protection devices should be installed to prevent people from touching and ensure smooth air flow. In important stations, chemical monitors of two different technologies should be used, and fixed chemical monitors should be installed in train cars as required.