Foreword

This Code is developed by Sinopec Luoyang Petrochemical Engineering Corporation in cooperation with other involved organizations under the administration of China Petrochemical Corporation（Sinopec Group）based on the requirements of Document Jian Biao［2006］No.136 issued by original Ministry of Construction（MOC）of the People's Republic of China-Notice on Printing the Development and Revision Plan of National Engineering Construction Standards（2nd Group）in 2006.

This Code comprises 12 chapters and 6 appendixes，and mainly includes the general，terms，basic requirements，designs of above ground pipelines coordination，designs of underground pipelines coordination，compiling the design diagrams for pipelines coordination，pipeline construction，detecting the underground pipeline，survey of underground pipeline，compiling the pipelines coordination present diagram，pipeline as-built survey and underground pipeline exploration report，and pipelines coordination information management system.

The provisions printed in bold type aremandatory and must be enforced strictly.

Ministry of Housing and Urban-Rural Development of the People's Republic of China is in charge of administration of this Code and explanation of its mandatory provisions，China Petrochemical Corporation（Sinopec Group）is responsible for its routine management，and SINOPEC Luoyang Branch is tasked for explanation of specific technical contents.

In the process of implementing this Code，it is appreciated to summarize the experience and accumulate the data in time on the basis of construction practice.The relevant comments and recommendations，whenever necessary，may be posted or passed on to SINOPEC Luoyang Branch.（Address:Zhongyuan Road，Jili District，Luoyang，Henan Province，P.R.China.Post code:471012）for reference in future revision.

Name list of the chief development organization，participating development organizations and chief drafters，chief reviewers of the Code:

Chief Development Organization:

　　　　　　SINOPEC Luoyang Branch

Participating Development Organizations:

　　　　　　Sinopec Shanghai Engineering Co.Ltd.

　　　　　　CNPC Pipeline Engineering Co.Ltd.

　　　　　　Beijing New Oriental Star Petrochemical Engineering Co.Ltd.

　　　　　　Jiangsu Engineering Physics Survey Institute

　　　　　　Sinopec Luoyang Petrochemical Engineering Corporation

　　　　　　China Ordnance Industry Survey and Geotechnical Institute

　　　　　　Sinopec Zhenhai Refining and Chemical Co.Ltd.

　　　　　　Fangyuan Construction Supervision Consulting Co.Ltd.Yueyang

　　　　　　Changling Refining and Petrochemical

　　　　　　Sinopec Fourth Construction Co.Ltd.

　　　　　　Changling Branch of Sinopec Assets Operation and Management Co.Ltd.

　　　　　　Luoyang Petrochemical Engineering Design Co.Ltd.

Chief Drafters:

　　　　　　Sun Fuji　Qian Lingming　Yi Shiyou　Wei Wenqiang　Li Guohua

　　　　　　Pan Hui　Tao Yijun　Zhou Jun　Ye Hongyue　Gao Guozheng

　　　　　　Tang Menghai　Zhao Yuntong　Weng Keqin　Tan Jianxun　Zhao Shuqiang

　　　　　　Zhong Chongbiao　Zhang Jianwei　Yuan Wenzhong　Liao An　Lu Yong

　　　　　　Qi Jianhua

Chief Reviewers:

　　　　　　Zhou Jiaxiang　Ge Chunyu　Ji Hongjin　Chen Zhilang　Shi Lianzhong

　　　　　　Zhao Yong　Lai jindong　Xu Mingcai　Hu Jian　Kan Hanhua

　　　　　　Zhang Shuling

Chief Translators:

　　　　　　Li Yang

Translating Reviewer:

　　　　　　Xu Yonggang　Qi Kun