According to the requirements of Document GNKJ [2015]?No.?12 issued by National Energy Administration of the People’s?Republic of China, “Notice on Releasing the Development and Revision Plan of the Second?Batch of Energy Sector Standards in 2014”, and after extensive investigation and research, summarization of practical experience, and wide solicitation of opinions, the drafting group has prepared this specification.


The main technical contents of this specification include: basic requirements, engineering geological investigation of karst for reservoir, engineering geological investigation of karst for dam site, engineering geological investigation of karst for underground cavern or tunnel and result report.