Foreword

This code was made according to the requirements of Document〔2005〕No.739 issued by National Development and Reform Commission—Notice on Printing the Development Plan of Professional Standard in 2005.

This code was proposed and managed by China Electricity Council.

Chief Drafting Organization:

      State Grid AC Project Construction Company Limited

      State Grid Beijing Electric Power Construction Research Institute

Participating Drafting Organization:

      Northwest Power Grid Company Limited

      Guangxi Transmission &Transformation Construction Company

      Jiangsu Transmission &Transformation Engineering Company

      Hunan Transmission &Transformation Construction Company

      Northwest Electric Power Design Institute

Chief Drafting Staff:

      Zheng Huaiqing Li Qinglin Liu Zengsheng Wu Yingli Wang Zhong

      Chen Fayu Tang Zhiqiang Wang Huchang

State Grid Beijing Electric Power Construction Research Institute is in charge of the explanation of this code.