GB/T 42251-2022 English PDF

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GB/T 42251-2022: Technical regulations for ecological restoration of mining subsidence area
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Basic data

Standard ID: GB/T 42251-2022 (GB/T42251-2022)
Description (Translated English): Technical regulations for ecological restoration of mining subsidence area
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D01
Classification of International Standard: 73.020
Word Count Estimation: 26,238
Date of Issue: 2022-12-30
Date of Implementation: 2023-04-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42251-2022: Technical regulations for ecological restoration of mining subsidence area

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 73.020 CCSD01 National Standards of People's Republic of China Technical Regulations for Ecological Restoration in Mining Subsidence Area Posted on 2022-12-30 2023-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

table of contents

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General 2 5 Current Situation Survey 4 6 Evaluation and Diagnosis 4 7 Ecological Restoration Goals and Models 5 8 Ecological Restoration Design 6 9 Ecological Restoration Technical Measures 6 10 Monitoring and acceptance 9 11 Management and maintenance 10 Appendix A (Informative) Investigation Contents of Current Situation of Mining Subsidence Area 11 Appendix B (Informative) Soil Nutrient Content Classification 13 Appendix C (informative) Damage degree classification and repair mode 14 Appendix D (informative) Ecological Restoration Program Compilation Outline 16 Appendix E (Informative) Ecological Restoration and Utilization Direction 19 Appendix F (Informative) Applicable Conditions and General Work Contents of Terrain Transformation Technical Measures 20 Reference 22

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by China Coal Industry Association. This document is drafted by. China Energy Investment Group Co., Ltd., China University of Mining and Technology (Beijing), Guoneng Shendong Coal Group Co., Ltd. Responsible company, China Coal Science and Technology Group Beijing Land Consolidation and Ecological Restoration Technology Research Institute Co., Ltd., Beijing Low-Carbon Clean Energy Research Institute, China Coal Industry Association Productivity Promotion Center, Youyan Technology Group Co., Ltd., Mining and Metallurgy Technology Group Co., Ltd. The main drafters of this document. Li Quansheng, Zhang Kai1), Zhang Kai2), Yu Yan, Yang Yingming, Hu Bingnan, Bai Lu, Zheng Houfa, He Anmin, Ren Huijun, Guo Junting, Du Shanzhou, Yang Yang, Wang Yi, Liu Shuyu, Zhao Yongqiang, Zhang Guojun, Song Ziheng, Xing Zhenguo, and Faye Wong. 1) China University of Mining and Technology (Beijing) 2) National Energy Investment Group Co., Ltd. Technical Regulations for Ecological Restoration in Mining Subsidence Area

1 Scope

This document stipulates the general principles, current situation investigation, evaluation, diagnosis, ecological restoration goals and models, and ecological restoration of ecological restoration in mining subsidence areas. Design, ecological restoration technical measures, monitoring, acceptance, management and maintenance. This document is applicable to technical work related to ecological restoration of stable subsidence areas formed by underground mining activities of mineral resources.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 15163 Technical Regulations for Closing Mountains (Sand) for Afforestation GB/T 15776 Afforestation Technical Regulations GB/T 37067 Technical Specifications for Restoration of Degraded Grasslands GB/T 38360 Technical Specifications for Vegetation Restoration on Bare Slopes GB 51018 Code for Design of Water and Soil Conservation Engineering GB 51411 Design standard for metal mine land reclamation engineering CJJ82 Code for construction and acceptance of landscaping projects HJ2.3 Environmental Impact Assessment Technical Guidelines Surface Water Environment HJ19 Environmental Impact Assessment Technical Guidelines Ecological Impact HJ25.4 Technical Guidelines for Soil Remediation of Construction Land HJ25.6 Technical Guidelines for Groundwater Restoration and Risk Control in Contaminated Lands HJ610 Environmental Impact Assessment Technical Guidelines for Groundwater Environment HJ964 Environmental Impact Assessment Technical Guidelines Soil Environment (Trial) NY/T 1342 Technical Regulations for Artificial Grass Construction SL/T 800 Technical Guidelines for River and Lake Ecosystem Protection and Restoration Engineering TD/T 1036 Quality Control Standard for Land Reclamation

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 mining subsidence area The area where the ground surface has subsided, moved and deformed due to underground mining activities of mineral resources. Note. Generally, the range is delimited by the point of sinking 10.0mm. 3.2 The mining subsidence area where the subsidence value of the surface point does not exceed 30.0mm for 6 consecutive months. ......

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