Abstract:

The paper focused on hidden troubles in the process of duarry safety inspection for transformation and upgrading of Yunnan Province.  The basic reasons for the existence of security risks were ana-lyzed and summarized.  Taking the Liangshuijing duarry as an example，the paper proposed rectification plans for the major security risks by considering special geographical environment and terrain features of the duarry.  In the planning scheme，a safe operating platform is formed，It reduces the ore heap height，avoids a series of security problems of operation on high and steep slopes and the floor cut ore loading，avoids other accidents such as mud一rock flow.  This planning scheme has reference significance for the transformation and upgrading of other similar duarry in our province，and the safety of mining.

Key words: quarry, transformation and upgrading, potential safety risk, technological transformation