This Code IS applicable to seismic resistant design of new project or
extension project of the following electric power installations in regions of seismic
fortification intensity of VI to IX:
1. Electric power installations of fossil power plant with unit capacity of 12 MW
to 600 MW;
2. Related electrical appliances of hydropower station with unit capacity of 10
MW and above;
3. Electric power installations of 110 kV to 500 kV voltage substations;
4. Poles and towers of 110 kV to 500 kV voltage transmission lines, and their
foundations;
5. Microwave towers of electric communication, and their foundations.
Note: 1. "Electric power installations" in this Code include: Buildings, structures and
electrical appliances of fossil power plants, electric substations, transmission lines,
as will as related electrical appliances of hydropower stations; but not including
chimney. cooling tower, ordinary pipe lines and their supports.
2. "Electrical appliances" in this Code include: electrical equipment, electrical
assemblies and connecting conductors, etc. The related "electrical appliances" of
hydropower stations include the electrical appliances installed inside and above the
main dam.
