Standard Number: YB/T 4865-2020(YB/T4865-2020)
Chinese:铁矿山露天转地下废石内排技术规范
English:Technical specification for internal drainage of waste rock from open pit to underground in iron ore mines
Effective Date:2021-04-01
Standard Applicability:This standard specifies the technical parameters and ecological environment restoration requirements for waste rock discharge in the open realm of open pit to underground mine. This standard applies to the transition period from open pit to underground iron ore mine, other types of mine waste rock discharge can be referred to.
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