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.