As a senior independent third-party institution, CGC was engaged in certification, inspection, and testing of rail transit field in China, the rail transit business has covered three stages of system development, engineering construction and operation. After years of development, the technical service capabilities of rail transit have covered nine major majors, including vehicles, track, traction system, braking system, power supply, communication system, signaling system, railway maintenance management, and station electromechanical. It can provide certification, inspection, and testing related services throughout the entire lifecycle of rail transit product research and development, engineering construction and operation and maintenance. And six major testing and certification bases have been formed, represented by Beijing, Shanghai, Qingdao, Chongqing, Zhuzhou, and Guangzhou. In recent years, CGC has undertaken much more independent safety assessment projects for representative FAO systems in China, such as Beijing Line 19 and 11, Shanghai Line 15 and 18, and Shenzhen Airport Rapid Transit Line. CGC has also undertaken independent safety assessment for renovation projects represented by Chongqing Line 2, as well as dynamic testing for pre operation period in Tianjin, Qingdao, Shanghai, Chengdu, and other cities.
In terms of domestic cooperation, CGC actively cooperates with major domestic equipment manufacturers in certification and assessment projects, and has established joint ventures with Shanghai Shentong Metro and Qingdao Metro, focusing on building testing capabilities for design verification, operational assessment, in-service evaluation, RAMS traceability and maintenance capability verification of equipment such as track, signal, vehicle, power supply, communication and AFC. It can provide third-party testing and verification services for national urban rail construction and operation, equipment innovation and product quality assurance.
In terms of international cooperation, CGC has signed strategic agreements with SCONRAIL and Lloyd's Register, which can provide convenient and efficient third-party services for the rail transit industry in the areas of standard docking between China and Europe, test data acceptance, certification acceptance, functional safety product certification and inspection, and export of domestic rail transit industry, with the goal of "one certification, double certification between China and Europe".
In order to improve the quality and safety level of urban rail equipment, regulate the market order of urban rail equipment industry and enhance the independent innovation ability of urban rail equipment enterprises, the National Development and Reform Commission (NDRC) and the Certification and Accreditation Administration of the P.R.C(CNCA)issued the Notice on the Certification of Urban Rail Transportation Equipment, which implements the China Urban Rail Certification (CURC) in urban rail industry. CGC has obtained the "Urban rail Transit Equipment Product Certification" certification (abbreviated as CURC Certification) qualification approved by the CNCA, which was the first certification body in China to obtain this qualification, and which also has the certification qualification of all the first 7 categories of 28 products in the first CURC catalogue. At the same time, CGC has obtained CNAS accreditation certificates for urban rail vehicles, traction system, braking system, TCMS, Train doors, Train hook buffers and CBTC systems, issued by China National Accreditation Service for Conformity Assessment (CNAS).
At present, CGC has issued CURC certificates for many products such as braking system, Train doors, traction system, CBTC system, TCMS and so on. The certified companies include leading companies in the industry such as CRRC Qingdao Sifang Co.,Ltd, Thales Sec Transport, CRRC Yongji Electric Co.,Ltd, IFE-VICTALL and Nanjing Kangni Electrical Techinology Co.,Ltd etc. The number of certificates issued by CGC ranks second among all CURC certification bodies.
|No.||Product name (Category)||Product range|
|1||Urban rail transit vehicle||Vehicle|
|Suspension||Cylindrical helical steel spring|
|Metal rubber spring (Firstly)|
|2||Brake systems of urban rail transit||Air compressor|
|Brake control units|
|Brake caliper units|
|Tread brake units|
|Cast iron brake discs|
|3||Traction system of urban rail transit||Traction inverter|
|Asynchronous traction motor|
|Vehicle-mounted DC high-speed circuit breaker|
|4||Train control and diagnosis system of urban rail transit||Train control and diagnosis system|
|5||Doors of urban rail transit vehicles of urban rail transit||Electric Bodyside entrance systems|
|6||Coupler and draft gear for of urban rail transit||Coupler and draft gear for urban metro vehicle|
|7||Communication based train control system for urban rail transit||Communication based train control system(CBTC)|
|Automatic train supervision system(ATS)|
|Automatic train operation system(ATO)|
|Automatic train protection system(ATP)|
|Computer interlocking system(CI)|
The functional safety certification for railway application related safety functions is based on GB/T21562, GB/T28808, GB/T28809 or EN50126, EN50128, EN50129 or IEC62279, IEC62278, IEC62425 and other standards, the certification target is safety integrity level(SIL) of safety functions implemented by railway safety related system. CGC has been awarded the CNAS accreditation certificate for "Functional Safety Related Products for Railway application" by China National Accreditation Service for Conformity Assessment (CNAS) and can issue functional safety certification with the CNAS logo for railway application related systems.
The object of Functional safety certification is the product with safety risk and composed or driven by electrical/electronic/programmable electronic system. Such as railway application systems, aircraft control systems, process instrumentation control systems, automotive driver assistance systems, radiation dose interlocking systems and control systems for medical radiation machines, etc.
At present, CGC has carried out functional safety certification for railway application system of Qingdao Sifang CRRC, Shanghai Electric Thales, Beijing UCD, Beijing CRSCD, Beijing Hollysys, etc. The certification not only covers safety critical products in railway application, such as urban railway signalling system, brake system, train control and diagnostic system, full electronic interlocking system, obstacle detection system, vehicle passenger room side door controller system, high-speed railway signalling system, etc., but also covers the functional safety certification of the products of artificial intelligence technology applied in the railway application.
Independent Safety Assessment(ISA)refers to the process of construction of engineering projects, the system RAMS indicators as the target, the implementation of the core system equipment, the process of safety control means implemented by a third-party safety assessment agency, is a kind of independent of the system design, development and operation of personnel safety assessment activities, belongs to the whole life cycle process management, its purpose is to the established application of the system proposed by the safety requirements are appropriate, adequate, and whether the system meets these established safety requirements of the judgment. The purpose is to determine whether the safety requirements of the system for a given application are appropriate and sufficient, and whether the system meets these established security requirements.
At present, CGC is accredited by China National Accreditation Service for Conformity Assessment (CNAS) for "Independent Safety Assessment of Urban Rail Transit".
In the past three years, CGC has won bids for the safety assessment of more than 20 lines, and has undertaken the third-party engineering safety assessment of representative FAO systems in China, FAO assessment projects rank first in the industry，such as Beijing Line 19 and 11, Shenzhen Line 14 and 13, and Shenzhen Airport MRT Line，as well as the third-party safety assessment of the renewal and renovation project represented by Chongqing Line 2 and Dalian Line 3, providing technical services for the smooth opening of the engineering lines through professional assessment.
The operation period business mainly includes two categories of government supervision and operation support, among which government supervision is the business tendered by local transportation bureaus or law enforcement detachments, including safety assessment and service quality evaluation before initial operation, before formal operation and during operation; operation support is the business generated by each operation unit according to the actual needs of operation, such as special safety assessment for flood prevention, passenger service certification, PPP performance assessment, Station air quality testing, comprehensive evaluation of operational safety, facility and equipment status assessment, etc.
CGC has implemented more than 20 operational safety assessment projects in cities such as Beijing, Shenzhen, Shanghai, Wuxi, Qingdao, Changzhou, Wuxi, Hefei, etc.
In the field of rail transit engineering testing, CGC Certification has obtained CMA and CNAS testing qualification for equipment room EMC, and passed CNAS laboratory accreditation for track geometry dynamic testing, dynamic performance assessment and testing of rolling stock, measurements of the danamic interaction between pantogragh and overhead contact line, vibration and noise in rail transit,quality acceptance of the long term evolution for metro(LTE-M) system, etc.
In the past two years, we have carried out electromagnetic testing projects in Nanjing7 line and Lanzhou2 line equipment rooms, and have implemented Qingdao1line and Qingdao8 line wheel-track relationship testing projects ,including track geometry dynamic testing and dynamic performance assessment and testing of rolling stock.
Customized product certification is a certification program developed by CGC. It is mainly applicable to products outside the First Catalogue of Urban Rail Transit Equipment Product Certification or products not yet included in the Catalogue. All parties concerned can apply to our center for certification based on the requirements of application units or the independent will of manufacturing enterprises.
Up to now, in conjunction with the needs of metro authority in Shanghai and Qingdao, CGC has prepared technical specifications for the certification of MSTP (Multi-Service Transmission Platform) and urban rail intelligent operation and maintenance products, and issued Urban rail transit voluntary certification certificate for Huawei, ZTE, New H3C, ECI China, Nokia Shanghai Bell, Chengdu Railway Safety, Dinghan Qihui, DongGuan Nannar and many other companies. In addition, CGC has also implemented vehicle product certification for light cross-seat monorail vehicles (single-axle) of CRRC Puzhen Alstom Transportation System Co., Ltd. to help industrialization and engineering of new technology equipment.
In order to effectively improve the service level of urban rail transit operation, Entrusted by Shenzhen, Wuxi, Changzhou subway operating units and through the way of service certification,CGC systematically identifies the contact and interaction rules between service organizations and customers in the process of urban rail transit passenger service, and makes a quantitative evaluation of the whole process of customer experience perception, and has implemented service certification for nearly 20 stations in Shenzhen, Wuxi and Changzhou and issued star service certification certificates.