GB 50421-2007
Code for waste dump design of nonferrous metal mines (English Version)
- Standard No.
- GB 50421-2007
- Language
- Chinese, Available in English version
- Release Date
- 2007
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2018-12
- Replace By
- GB 50421-2018
- Latest
- GB 50421-2018
- Scope
- This code is applicable to the design of new, reconstructed and expanded non-ferrous metal open-pit mining mines and underground mining mine dumps.
GB 50421-2007 history
- 2019 GB 50421-2018 Design standards for non-ferrous metal mine dumps
- 2007 GB 50421-2007 Code for waste dump design of nonferrous metal mines
