Introduction to English Version

Department of International Cooperation,Science and Technology of Ministry of Water Resources,P.R.China has the mandate of managing the formulation and revision of water technology standards in China.

Translation of this specification from Chinese to English was organized by Department of International Cooperation,Science and Technology of Ministry of Water Resources,P.R.China in accordance with due procedures and regulations applicable in the country.

This English version of specification is identical to its Chinese original SL 511—2011 Specification for Electro-mechanical Design of Water and Hydropower Projects,which was formulated and revised under the auspices of Department of International Cooperation,Science and Technology of Ministry of Water Resources,P.R.China.

Translation of this specification is undertaken by China Water Northeastern Investigation,Design&Research Co.,Ltd.

Translation task force includes Zhu Weizhi,Fan Lijun,Chen Liqiu,Zhu Jiemin,Liu Haihui,Pan Hong,Chen Xikun,Tian Xiaojun,Xu Dawei,Guo Tiecheng,Wang Yunkuan,Zhang Xianwei,Xie Yong,Li Shugang,Jin Bo,Yu Yang,Yang Chenghui,Zhang Tiejian,Li Xin,Xue Ye,Lu Yongming,Lian Chunxing,and Niu Jushan.

This Specification is reviewed by Qiao Shishan,Meng Zhimin,Zheng Rugang,Jin Hai,Cao Shuliang,Wang Yicheng,Du Leigong,Xu Zeping,Yang Baijun,and Cheng Xialei.

Department of International Cooperation,Science and Technology

Ministry of Water Resources,P.R.China