Foreword

This code is prepared by China Power Engineering Consulting Group Corporation in collaboration with associated organizations as required by theNotice on Development and Revision Plan of National Standards for Engineering Construction in 2006 issued by the former Ministry of construction（JB〔2006〕136）.

This code has been developed by the task team through serious sum-up of experience，wide investigations and studies，reference to related international and advanced foreign standards，extensive consultations and a number of discussions and revisions，and finalized after review.

This code is organized into 16 chapters and 7 appendices，mainly including:general provision，terms and symbols，routing，meteorological conditions，conductor and earthwire，insulators and fittings，insulation coordination，lightning protection and earthing，conductor arrangement，tower type，tower load and material，tower structure，foundation，clearance to ground and other facilities，environmental protection，labour safety and industrial sanitation，and accessories.

Articles in bold in this code are compulsory and must be observed strictly.

This code is administered by Ministry of Housing and Urban-Rural Development of the Peoples Republic of China which will be responsible for the interpretation of compulsory articles.China Electricity Council is responsible for its daily management，and China Power Engineering Consulting Group Corporation and East China Electric Power Design Institute are responsible for the interpretation of specific technical issues therein.During the implementation of this code，the interests concerned are expected to seriously summarize the experiences and collect the relevant information based on the project practices and at any time refer any comments and suggestions to China Power Engineering Consulting Group Corporation at the address:No.65，Ande Road，Beijing，Postcode:100120 and East China Electric Power Design Institute at the address:No.409，Wuning Road，Shanghai，Postcode:200063，for reference in the future revision of the code.

Chief drafting organizations，participants，leading authors and main reviewers of this code are respectively as follows:

Chief Drafting Organizations:

China Power Engineering Consulting Group Corporation

East China Electric Power Design Institute

Participants:

Northwest China Electric Power Design Institute.

Leading Authors:

Yu Gang　Liang Zhengping　Zhang Pengfei　Huang Weizhong　Wu Jiansheng

Li Yongwei　Li Xilai　Liao Zonggao　Gong Yongguang　Li Yongshuang

Dong Jianyao　Xue Chunlin　He Jiang　Qian Guangzhong　Ye Hongsheng

Wei Shunyan　Yang Yuanchun　Zhu Yongping　Zhang Xiaoli　Zhang Fangjie

Wang Huchang　Wang Yong　Miao Guiliang　Sun Bo　Gan Fei　Zhang Hua

Xia Bo　Guan Shunqing　Zhou Danyu　Xiao Liqun

Main Reviewers:

Luo Yongliang　Guo Yueming　Zhu Tianhao　Ge Xubo　Zeng Jian

Fang Senhua　Lu Hongzhen　Xu Songlin　Liu Yongdong　Wang Zhuo

Li Aimin　Guo Yali　An Xudong　Chen Hanzhang　Yang Chongru

Weng Binghua　Wang Gang　Bao Yongzhong　Ye Hongsheng

Zhang Guoliang　Zhang Xianfeng　Ma Zhijian　Qin Qingzhi　Yang Lin

Shi Liuwu　Hou Changjian　Tang Yan　Dai Zhiqiang　Zhao Qingbin

Liang Peiquan　Wu Lei　Sun Zhefu　Huang Jian　Li Guangfu　Zhang Xian

Qiu Changgen　Kuang Ping　Lou Fuhao　Zhu Jinghua

Lu Yanping　Yang Xiangheng　Su Zhiyi　Yi Hui