DB11/ 852.1-2012
Safety Technical Specifications for Operations in Confined Underground Spaces Part 1: General Rules (English Version)
- Standard No.
- DB11/ 852.1-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- Beijing Provincial Standard of the People's Republic of China
- Status
- 2020-04
- Replace By
- DB11/T 852-2019
- Latest
- DB11/T 852-2019
DB11/ 852.1-2012 history
- 2019 DB11/T 852-2019 Safety technical specification for limited space operation
- 2012 DB11/ 852.1-2012 Safety Technical Specifications for Operations in Confined Underground Spaces Part 1: General Rules
DB11/ 852.1-2012 Safety Technical Specifications for Operations in Confined Underground Spaces Part 1: General Rules was changed to DB11/T 852-2019 Safety technical specification for limited space operation.
