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Database: 189759 (26 Oct 2025)
YB/T 4866.1-2020 English PDF
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YB/T 4866.1-2020
: Technical specification for open-pit to underground mining of iron mine - Part 1: General technical specification
Status: Valid
Standard ID
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YB/T 4866.1-2020
English
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Technical specification for open-pit to underground mining of iron mine - Part 1: General technical specification
Valid
YB/T 4866.1-2020
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Basic data
Standard ID
YB/T 4866.1-2020 (YB/T4866.1-2020)
Description (Translated English)
Technical specification for open-pit to underground mining of iron mine - Part 1: General technical specification
Sector / Industry
Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard
H34
Classification of International Standard
77.140.99
Word Count Estimation
8,870
Date of Issue
2020-12-09
Date of Implementation
2021-04-01
Quoted Standard
GB 6722; GB 12719; GB 16423; GB 50830; YB/T 4486; DZ/T 0033
Regulation (derived from)
Ministry of Industry and Information Technology Announcement No. 48 (2020)
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard specifies the terms and definitions, basic regulations, open-pit conversion to underground mining, ecological restoration of open-pit pits, monitoring, early warning, inspection and recording, etc. of the general technical specifications for the conversion of open-pit mining to underground mining. This standard applies to iron mining enterprises.
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