GB 55033-2022 Project code for engineering of urban rail transit
1 General provisions
1.0.1 This code is hereby formulated with a view to standardizing the planning, construction and maintenance of engineering of urban rail transit, ensuring the safety and operation efficiency of urban rail transit, and achieving people orientation, mature technology, safety, applicability and economic rationality.
1.0.2 This code must be implemented for the engineering of urban rail transit.
1.0.3 The planning, construction, operation and maintenance of urban rail transit shall meet the requirements of safety, sanitation and health, environmental protection, resource conservation, public safety, public interests and social management.
1.0.4 It is up to the relevant responsibility subjects to determine whether the technical methods and measures adopted in the engineering construction meet the requirements of this code. Innovative technical methods and measures shall be demonstrated and meet the performance requirements in this code.
2 Basic requirements
2.1 General requirements
2.1.1 For the urban rail transit construction, network system planning shall be carried out with the goal of realizing network operation to achieve system planning, overall network allocation, sharing and convenient use of resources.
2.1.2 A standard track gauge of 1,435mm shall be adopted for the steel wheel and rail system of urban rail transit, including tram tracks.
2.1.3 Double-line right-hand running system shall be adopted for the operation of main line.
2.1.4 For the planning and construction of urban rail transit, the system with high transport capacity, large transport capacity, medium transport capacity or low transport capacity shall be selected and the format and design formation shall be selected according to the passenger flow; the operating speed shall be determined according to the target efficiency; service levels shall be determined based on factors such as trip time, comfort and transfer convenience. Vehicles of Types A, B, C and L, as well as trams, monorail vehicles or urban vehicles shall be selected in accordance with the requirements of the current national standards.
2.1.5 The design life of engineering of urban rail transit shall be based on the year of completion and opening to traffic, and shall be divided into initial term (3 years), short term (10 years) and long term (25 years). During the design life, the design transport capacity shall meet the forecast passenger flow demands, with no less than 10% of the transport capacity reserve.
2.1.6 The maximum operating speed of trains on the line shall meet the following requirements:
1 the maximum operating speed shall not be greater than the maximum operating speed allowed by the line design;
2 the maximum operating speed shall not exceed the speed limit of trains in special sections such as platform, curved line, turnout zone and depot;
3 within the range of the calculated length of the platform, when there is no platform screen door, the actual operating speed of the train bypassing the station shall not exceed 40km/h;
4 when tram operation is mixed with other transportation modes on the road, the maximum speed allowed by the design shall not exceed the maximum speed allowed on the road.
2.1.7 Except for trams, other urban rail transit trains shall be equipped with safety protection systems; for tram projects, measures shall be taken to avoid or reduce the driver's visual obstruction, and pavement boundary protection signs shall be arranged or safety protection measures shall be taken in the exclusive right-of-way section.
2.1.8 A line (including branch line and through-operation line), a transfer station and its adjacent sections shall be subjected to fire protection design according to the occurrence of a fire at the same time.
2.1.9 Vehicles and electromechanical equipment shall meet the electromagnetic compatibility requirements, and shall pass the electromagnetic compatibility test and pass the acceptance before being put into use.
2.1.10 Equipment to be operated by passengers on their own shall be easily identifiable and be located in a place easy to operate; when used or operated improperly by passengers, it shall not cause incidents that endanger the safety of passengers or affect the normal operation of equipment.
2.1.11 The earthing system of urban rail transit shall ensure personal safety and normal use of equipment. For equipment that may come into contact with a passenger's body, the exposed metal part shall be reliably earthed and provided with leakage protection measures.
2.1.12 The equipment and facilities controlling the indoor environment, such as air conditioning, ventilation and lighting equipment, in the urban rail transit site shall be constructed simultaneously with the engineering construction.
2.1.13 The engineering of urban rail transit shall be equipped with necessary fire-fighting facilities, and shall have conditions for safe evacuation and convenient rescue of passengers and relevant personnel.
2.1.14 Effective measures to prevent natural disasters such as earthquake, flood, snow, landslide, wind, rain and lightning shall be taken for the engineering of urban rail transit. The waterlogging prevention capacity of substations, distribution stations and control centers shall be determined according to the intensity of rainstorm with 100-year return period in the local area.
2.1.15 The network infrastructure and information systems of urban rail transit shall be subjected to the national classified protection system of cybersecurity. The use and management of the cryptographic products and cryptographic technology shall meet the requirements of the state cryptography administration authority of China.
2.1.16 Full closed urban rail transit stations shall be equipped with public toilets.
2.1.17 The engineering of urban rail transit shall be equipped with barrier-free riding and use facilities.
2.1.18 Reasonable and reliable technical measures shall be taken for urban rail transit to ensure the safety of adjacent buildings (structures) during construction and operation. During construction, fences shall be arranged, vibration and noise reduction, dust prevention, sewage treatment, and fire prevention measures shall be taken, and evacuation passages shall be arranged according to the surrounding environmental conditions.
2.1.19 The construction of urban rail transit shall meet the relevant requirements for the protection of cultural relics, ecological environment, and scenic spots.
2.1.20 In the construction of engineering of urban rail transit, the engineering safety risk management system, including the engineering risk assessment system, monitoring system and management and control system, shall be established and improved. The engineering construction risk management in the whole process of planning, feasibility study, survey and design, construction, acceptance and delivery shall be implemented, and a dual prevention mechanism involving risk classification and control and hazard investigation and treatment shall be established.
2.1.21 The following areas or sites shall be divided into the scope of safety protection zones for underground and above-ground engineering of rail transit:
1 within 10m outside the outer edge of the structure of ancillary facilities such as entrances and exits, ventilation pavilions, cooling towers, substations and barrier-free elevators;
2 within 30m outside the outer edge of structures of ground stations and ground lines as well as elevated stations and elevated lines, and land area of the vehicle bases;
3 within 50m outside the outer edge of the underground station and tunnel structure;
4 within 100m outside the outer edge of the tunnel or bridge structure for rail transit crossing (spanning) water areas.
2.1.22 The following operations shall not be carried out in the safety protection zones for engineering of rail transit without approval:
1 new construction, reconstruction and expansion or demolition of buildings (structures);
2 pipeline laying, overhead work, excavation, blasting, foundation treatment or well drilling;
3 construction of ponds and weirs, excavation of rivers and canals, well drilling, sand excavation, quarrying, soil borrowing, and bulldozing;
4 dredging operations or anchoring, towing and other operations in the tunnel section crossing the water area;
5 other activities that may affect the safety of rail transit, such as increasing or reducing loads on a large scale.
2.1.23 For urban rail transit, public safety protection zones shall be designated, and areas where people and objects from the outside are forbidden, as well as blocking and preventive facilities shall be arranged according to areas and positions.
2.1.24 In the construction of engineering of urban rail transit, a risk prevention and control system for key nodes shall be established, a list of key nodes shall be prepared, the risk management and control procedures for key nodes shall be implemented, and safety conditions for key nodes shall be checked before construction.
2.1.25 The joint commissioning of systems related to train operation shall be carried out after passing the initial inspection of the track system, the initial inspection of the power supply system, the cold-running test and the hot-running test of the relevant section.
Foreword i
1 General provisions
2 Basic requirements
2.1 General requirements
2.2 Planning
2.3 Stray current protection
2.4 Environmental protection and resource conservation
2.5 Emergency facilities
3 Gauge
4 Vehicle
4.1 General requirements
4.2 Vehicle body and interior decoration
4.3 Traction and braking
4.4 Vehicle equipment and facilities
4.5 Safety and emergency
5 Civil works
5.1 General requirements
5.2 Line works
5.3 Track and subgrade works
5.4 Station buildings
5.5 Structural works
5.6 Vehicle bases and other facilities
6 Electromechanical equipment system
6.1 Power supply system
6.2 Communication system
6.3 Signal system
6.4 Ventilation, air conditioning and heating systems
6.5 Water supply and drainage systems
6.6 Environment and equipment monitoring system
6.7 Integrated monitoring system
6.8 Automatic fare collection system
6.9 Escalator and elevator system
6.10 Platform screen door system
6.11 Passenger information system
6.12 Public security facilities
