This technical specification is established for the purpose to guide the electric power system construction of high speed railway, unify principal technical requirements, strengthen construction management, ensure construction quality.This technical specification is applicable to the electric power system construction of new high speed railway. The construction of the electric power system of intercity railway shall be implemented in reference to this Code.In the construction of electric power system of high speed railway, national laws, regulations and correlative technical standards shall be strictly implemented. The construction shall strictly be in accordance with design documents to satisfy system functionality and performance requirements, so as to guarantee normal operation within the design life. In the construction of electric power system of high speed railway, standardization management shall be strengthened in the four aspects, i. e. management system, staffing, field management and process control, so as to achieve the construction objectives of quality, safety, on-time completion, investment profitability, environmental protection and technical innovation etc.Electric power system construction of high speed railway should actively adopt advanced construction management approaches such as mechanization, member prefabrication in plant, specialization, information technology, etc.Electric power system construction of high speed railway should be conducted in a improved manner of civilized construction.The installation of box type substations for high speed railway shall take into account the actual condition9 and achieve risk management goals through risk planning, risk identifications risk assessment and risk control programs. Risk-related special construction program and contingency plans shall be developed.Electric power system construction of high speed railway, if involving heritage preservation, shall be carried out in accordance with relevant regulations and protection measures embedded in the design scheme,In the construction of electric power system of high speed railway, a technical scheme for energy efficiency and emission reduction shall be compiled in accordance with relevant legal policies and technical standards on resource-saving, energy efficiency and emission reduction in combination of the engineering characteristics and construction environment, and carried into execution after it's approved.In the construction of electric power system of high speed railway, various personnel shall take necessary training, and they are not allowed to take their posts before they are qualified in the training.In the construction of electric power system of high speed railway, document collection and rearrangement shall be carried out currently in sync with work progress and the documentation shall be systematic, intact, true and exact. Meanwhile, and document archiving management shall be done.
1 GeneralProvisions 2 Terms 3 Basic Requirements 3.1 General Requirements 3.2 Employer 3.3 Designlnstitute 3.4 Contractor 3.5 Supervision Firm 4 Construction Preparation 4.1 Construction Investigation 4.2 Verification of Construction Drawings 4.3 Selection of Construction Method and Resource Allocation 4.4 Preparation of Construction Operation Guide 4.5 Construction TechnicalDisclosure 5 Substation and Distribution Substation 5.1 General Requirements 5.2 Foundation and Frame 5.3 Barrier and Fence 5.4 Power Transformer 5.5 Instrument Transformer 5.6 High-voltage Circuit Breaker 5.7 IsolatorLoad Switch & High Voltage Fuse 5.8 High-voltage Switch gear 5.9 Centralized Reactive Power Compensator 5.10 Low-voltage Switchgear 5.11 Box-type Substation and Box-type Reactor 5.12 Integrated Automation System & Secondary Wiring 5.13 Bus Bar Device 5.14 AC & DC Power Supply Unit 5.15 UPS & EPS 5.16 Diesel Generator Set 5.17 Photovoltaic (PV) Power Generation System 5.18 Automatic Fire Alarm Unit 5.19 Neutral Point Earthing Unit 6 Cables 6.1 General Requirements 6.2 Cable Laying inside Cable Ducts 6.3 Laying of direct-buried Cable 6.4 Cable Laying on Cable SupportCable Ladder (Tray) 6.5 Cable Laying inside Cable Conduits 6.6 Suspension Type Cable Laying 6.7 Fabrication and Mounting of Cable Accessories 6.8 Cable Shaft 7 Overhead Lines of 35 kV and Below 7.1 GeneralRequirements 7.2 Survey of Overhead Power Lines 7.3 Excavation and Backfill of Foundation Pits and Foundation Casting 7.4 Pole and Tower ErectionCross Arm Assembly and Insulator Installation 7.5 StayWirelnstallation 7.6 Construction of Conductor and Earthing Wire 7.7 Equipmentlnstallation 8 LowVoltageDistribution 8.1 GeneraIRequirements 8.2 Piping and Wiring 8.3 Installation of Distribution Box (Cabinet) 8.4 Explosion-proof Electrical Equipment 8.5 Conductor Bar 8.6 Enclosed Bus Bar 8.7 Wayside Power Supply for Electric Multiple Units (EMU) 9 Lighting 9.1 GeneralRequirements 9.2 LightingforStationYard.N 9.3 Lighting for BridgesTunnels and Special Locations 10 Supervisory Control and Data Acquisition (SCADA) System for Electric Power Supply 10.1 GeneralRequirements 10.2 Installation of SCADA Equipment 10.3 SCADA System Integrated Commissioning 11 Building Automation System (BAS) 11.1 GeneralRequirements 11.2 Equipmentlnstallation 11.3 System Wiring 11.4 Commissioning of Electromechanical Monitoring System 12 Lightning Protection and Earthing 12.1 GeneralRequirements.N 12.2 Lightning Protection Device 12.3 Earthing Net 12.4 Electric Equipment Earthing 12.5 Earthing of Equipment in Locations with Explosive and Fire Hazards 12.6 EquipotentialConnection 13 System Commissioning 14 Acceptance of Works 14.1 Acceptance of Unit Works 14.2 Static Acceptance 14.3 Dynamic Acceptance Appendix A Safety Clearance for Indoor & Outdoor Distribution Devices Appendix B Lapping of Rectangular Bus Bar Appendix C Illustration of Insulation Treatment of Load Bearing Joints Appendix D Illustration of Conductor Crimping Connection & Size of Crimped Notches Explanation of Wording in This Technical Specification