T/GRM 070-2023 Active

Scope: This document specifies the normative reference documents, terms and definitions, objectives and tasks, basic requirements, evaluation areas for open-pit mine regions and units, evaluation content, evaluation procedures, grading requirements for disaster development levels, grading requirements for disaster harm levels, and grading requirements for comprehensive disaster risks, as well as the submission of evaluation results. This document applies to the evaluation of geological hazards such as landslides, collapses, debris flows, mine subsidence, ground fissures, and land subsidence, as well as the comprehensive risk assessment of multiple geological hazards within open-pit mine regions. Main technical content: 1. Terms and definitions; 2. Objectives and tasks; 3. Basic requirements; 4. Evaluation areas for open-pit mine regions and units; 5. Evaluation content; 6. Evaluation procedures; 7. Grading requirements for disaster development levels; 8. Grading requirements for disaster harm levels; 9. Grading requirements for comprehensive disaster risks; 10. Submission of evaluation results