This specification is applicable to the pre-feasibility study, feasibility study and engineering design of new construction, reconstruction and expansion of large and medium-sized open-pit coal mines. The pre-feasibility study, feasibility study and engineering design of small open-pit coal mines can be implemented by reference.
GB 50197-2005 history
2015GB 50197-2015 Code for design of open-pit mines in the coal industry
2005GB 50197-2005 Code for design of open pit mine of coal industry
1994GB 50197-1994 Code for engineering design for open pit coal mine