1 General provisions
1.0.1 This code is formulated with a view to go through with the national technical economic policy to achieve safety and reliability, economic feasibility, state-of-art technology, integral esthetic appearance, and convenience of maintenance and administration in electrical design of civil buildings.
1.0.2 This code is applicable to the electrical design of newly constructed, renovated and extended civil urban buildings, and it is not applicable to the electrical design of civil defense, gas booster station, and filling station.
1.0.3 The electrical design of civil buildings shall embody people oriented concept, take comprehensive treatment for electromagnetic pollution, sound pollution and light pollution to meet the requirement of relevant standards on environmental protection and ensure the environmental safety of habitations.
1.0.4 The equipment level in electrical design of civil buildings shall be in accordance with the functional requirement and serviceability of the engineering.
1.0.5 The electrical design of civil buildings shall adopt mature and virtual energy-saving measures to reduce the electric power consumption.
1.0.6 Products meeting the national current standards shall be selected. And those products eliminated in China are strictly prohibited to be used.
1.0.7 The electrical design of civil buildings shall adopt those new tried and true technologies to enhance the economic benefit and social benefit.
1.0.8 Not only the requirements stipulated in this code, but also those in the current relevant ones of the nation shall be complied with in the electrical design of civil buildings.
Contents
Foreword II
1 General provisions
2 Terms and code numbers
2.1 Terms
2.2 Code numbers
3 Power supply and distribution system
3.1 General provisions
3.2 Load grades and power requirements
3.3 Power supply and the power supply and distribution system
3.4 Selection of voltage and quality of electric power
3.5 Load calculation
3.6 Reactive compensation
4 Distribution substations
4.1 General provisions
4.2 Station site selection
4.3 Selection of distribution transformer
4.4 Main connection and selection of electrical apparatus
4.5 Mode and arrangement of distribution substation
4.6 10 (6) kV distribution equipment
4.7 Low voltage distribution equipment
4.8 Power condenser devices
4.9 Requirements on civil engineering specialty
4.10 Requirements on the heating and ventilation and the water supply and drainage specialties
5 Relay Protection and Electrical Measurements
5.1 General provisions
5.2 Relay protection
5.3 Electrical measurements
5.4 Secondary circuit and central signal device
5.5 Control mode, house power supply and operational power supply
6 Self-provided Emergency Power Supply
6.1 Self-provided emergency diesel generating set
6.2 Emergency power supply (EPS)
6.3 Uninterrupted power supply (UPS)
7 Low voltage power distributions
7.1 General provisions
7.2 Low-voltage distribution system
7.3 Extra-low voltage distribution
7.4 Selection of conductor
7.5 Selection of low-voltage apparatus
7.6 Protection of low-voltage distribution circuit
7.7 Electric shock protection of low-voltage distribution system
8 Distribution wiring system
8.1 General provisions
8.2 No-protection-wiring
8.3 Wiring with metal conduit
8.4 Wiring with flexible metal conduits
8.5 Wiring with metal raceway
8.6 Wiring with rigid plastic conduit (groove)
8.7 Wiring of power cables
8.8 Wiring of prefabricated branching cables
8.9 Wiring of mineral insulated (MI) cables
8.10 Wiring with cable bridge rack
8.11 Wiring of enclosed-type bus bars
8.12 Wiring in electrical vertical shaft
9 Electric apparatus of conventional plant
9.1 General provisions
9.2 Motor
9.3 Transfer system
9.4 Elevator, escalator and moving sidewalk
9.5 Automatic gate and electric rolling shutter door
9.6 Stage electrical equipments
9.7 Medical equipments
9.8 Equipments at sport venues
10 Electrical lighting
10.1 General provisions
10.2 Quality of lighting
10.3 Mode and variety of lighting
10.4 The lighting illuminant and light fittings
10.5 Luminance level
10.6 Lighting energy-efficient
10.7 Lighting service
10.8 Design requirement of architectural lightings
10.9 Building Landscape Lighting
11 Lightning protection of civil buildings
11.1 General provisions
11.2 The lightning protection classification of buildings
11.3 Lightning protection measures of Class II lightning protection buildings
11.4 Lightning protection measures of Class III lightning protection buildings
11.5 Other lightning protection measures
11.6 Arrester
11.7 Downlead
11.8 Earth-electrode network
11.9 Lightning preventing electromagnetic impulse
12 Safety protections for earthing and special places
12.1 General requirements
12.2 Earthing forms and basic requirements for low-voltage distribution system
12.3 The scope of protective earthing
12.4 Grounding requirements and grounding resistance
12.5 Grounding grid
12.6 The earthing and equipotential bonding of general power equipment
12.7 The earthing of electronics and computers
12.8 The safety protection at all health facilities
12.9 The safety protection in special places
13 Automatic fire alarm systems
13.1 General requirements
13.2 The grading of system protection objects and the division of alarm and detection zone
13.3 System design
13.4 Integrated fire control
13.5 Selection and setting of fire detector and manual pull station
13.6 Fire emergency broadcast and fire alarm
13.7 Fire telephone
13.8 Fire emergency lighting
13.9 Mains power supply
13.10 The lead selection and laying
13.11 Fire duty room and fire control room
13.12 Residual current operated alarm system for fire prevention
13.13 Earthing
14 Security technology systems
14.1 General provision
14.2 Invasion alarm system
14.3 Video security monitoring system
14.4 Passageway control system
14.5 Electronic patrol system
14.6 Parking garage (field) management system
14.7 Residence (community) security system
14.8 Pipe lying
14.9 Monitoring centre
14.10 Gang control and system integration
15 Cable television and satellite television receiving system
15.1 General provisions
15.2 CATV system design principle
15.3 Receiving antenna
15.4 Self-designed front-end
15.5 Transmission and distribution network
15.6 Satellite television receiving system
15.7 Line lying
15.8 Power Supply, lightning protection and grounding
16 Broadcasting, acoustic irradiation and conference system
16.1 General provisions
16.2 Broadcasting system
16.3 Sound-reinforcement system
16.4 Conference system
16.5 Equipment selection
16.6 Equipment arrangement
16.7 Line lying
16.8 Control room
16.9 Power and grounding
17 Echoing signals and information display
17.1 General provisions
17.2 Design of echoing signals system
17.3 Design of information display system
17.4 Control of information display unit
17.5 Clock system
17.6 Equipment selection, line laying and equipment room
17.7 Power supply, lightning protection and grounding
18 Building equipment monitor system
18.1 General requirements
18.2 The network architecture of the building equipment monitoring system
18.3 The network management layer (central management workstation)
18.4 The control network layer (substation)
18.5 The field network layer
18.6 The software of the building equipment monitoring system
18.7 The selection of field meters
18.8 The chilled water and cooling water system
18.9 The heat exchange system
18.10 The heating and ventilation and air conditioning system
18.11 Domestic water, reclaimed water and drainage systems
18.12 The electrical power supply and distribution system
18.13 The public area lighting system
18.14 Elevator and escalator system
18.15 The energy conservation design of the building equipment monitoring system
18.16 Monitoring table
18.17 The machine room engineering and lightning protection and earthing
19 The computer network system
19.1 General requirements
19.2 The network design principle
19.3 The selection of network topology and transmission medium
19.4 The configuration of the network connection devices
19.5 The security of the operating system software and network
19.6 WAN connection
19.7 The network application
20 Communications network system
20.1 General requirements
20.2 The PBX system with digital programmable controlling
20.3 The digital programmable controlling dispatch exchange system
20.4 Video conferphone system
20.5 Wireless communication system
20.6 Modern multimedia teaching system
20.7 Communication wiring and conduit
21 Generic cabling systems
21.1 General provisions
21.2 System design
21.3 System configuration
21.4 System index
21.5 Equipment room and telecommunication room
21.6 Equipments of work area
21.7 The selection and lying of cable
21.8 Electrical protection and grounding
22 Electromagnetic compatibility and electromagnetic environmental sanitation
22.1 General provisions
22.2 Electromagnetic environmental sanitation
22.3 Harmonic prevention and cure of power supply and distribution system
22.4 The design of electronic information system EMC
22.5 Protection of the power interference
22.6 Overvoltage protection of the signal line
22.7 Pipeline design
22.8 Grounding and equipotent connection
23 Electronic information equipment rooms
23.1 general requirements
23.2 Site selection, design and equipment layout of the apparatus room
23.3 Professional requirement for condition of circumstance
23.4 Power supply, earthing and electrostatic prevention of the machine room
23.5 Fire control and safety
24 Heat engineering detection and control of boiler room
24.1 General requirements
24.2 Selection of self-service instrument
24.3 Heat engineering detection and control of boiler room
24.4 Auto alarm and coordinated control
24.5 Power supply
24.6 Instrument board, platform
24.7 Instrument control room
24.8 Tap, conduit and safety
24.9 Selection and laying of cable
24.10 Earthing
24.11 Computer monitors system of the boiler houses
Annex A Major Electrical Load Classification of Civilian Architecture
Annex B Illumination standard value of some locations
Annex C Calculation of Estimated Frequency and Average Annual Frequency of Lightning Stroke of the Building and Indoor Facilities
Annex D Bathroom Partition
Annex E Partition of Swimming Pool and Wading Pools
Annex F Partition of the Fountain
Annex G Calculation of Sound Pressure Level and Required Horsepower for Speaker
Annex H Recommend Value of Reverberation Time for All Kinds of Buildings, Calculation and Selection of Cable Specification
Annex J Monitoring System DDC of Buildings Equipment
Annex K BAS Monitoring Point
Annex L channel of generic cabling system and indices of permanent chain circuit
Explanation of Wording in this code
