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NB/T 11111-2023Specification for feasibility evaluation of coal geological exploration (English PDF)

煤炭地质勘查可行性评价规范

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

February 6, 2023

Implementation date

August 6, 2023

Scope

NB/T 11111-2023 is the English-translated version of 煤炭地质勘查可行性评价规范.

NB/T 11111-2023 governs the feasibility evaluation carried out during coal geological exploration. It sets the purpose and tasks, basic principles and basic requirements, then the stage-by-stage requirements for general study, pre-feasibility study and feasibility study.

Further clauses define evaluation content, evaluation methods, technical and economic indicators and preparation of the evaluation report, while informative annexes treat coal resource and reserve types, calculation of economic evaluation parameters, main indicators and report outlines.

It applies to feasibility evaluation at every stage of coal geological exploration. Issued on 6 February 2023, it has applied since 6 August 2023.

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Document preview — NB/T 11111-2023

National Standard of the People's Republic of China

ICS: 73.040
Classification: D 20

Issued by: National Energy Administration of the People's Republic of China

Preface
1 Scope
2 Normative reference documents
3 Terms and Definitions
4 General
4.1 Purpose Task
4.2 Basic Principle
4.3 Basic requirements
5 Requirements for each stage of feasibility evaluation
5.1 Stage division
5.2 General study
5.3 Pre-feasibility study
5.4 Feasibility Study
6 Feasibility evaluation work
6.1 Evaluation content
6.2 Evaluation method
6.3 Technical and economic indicators
7 Feasibility Evaluation Report
Appendix A (informative) Coal resources and reserve types and their conversion relationships
Appendix B (informative) Economic evaluation parameter calculation method
Appendix C (informative) Main technical and economic indicators
Appendix D (Informative) Outline for Writing a General Research Report
Appendix E (informative) Pre-feasibility study report preparation outline Reference

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.

1 Scope

This document stipulates the purpose and tasks, basic principles, basic requirements, requirements for each stage, evaluation content, and Evaluation methods, technical and economic indicators and preparation requirements for evaluation reports.

This document is applicable to feasibility evaluation work at all stages of coal geological exploration.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 13908 General Principles of Code for Geological Exploration of Solid Minerals

GB/T 16417 Coal optionality assessment method

GB/T 25283 Specifications for Comprehensive Exploration and Evaluation of Mineral Resources

GB/T 26128 Division and utilization of scarce and special coal resources

GB/T 29119 Technical Specifications for Coalbed Methane Resource Exploration

GB/T 33444 Solid Mineral Exploration Work Specifications

GB/T 41042 Classification and Application Guidelines for Valuable Element Content in Coal

GB 50197 Coal industry open pit mine design specifications

GB 50215 Coal industry mine design specifications

GB 50359 Coal washing engineering design specifications

GB 50821 Coal Industry Environmental Protection Design Code

DZ/T 0079 Technical requirements for comprehensive research on comprehensive compilation of geological data for solid mineral exploration

DZ/T 0215 Mineral Geological Exploration Specification for Coal

DZ/T 0216 Specification for Estimating Coalbed Methane Reserves

DZ/T 0315 Green mine construction specifications for the coal industry

DZ/T 0336 General research specifications for solid mineral exploration

DZ/T 0374 Green Geological Exploration Work Specifications

HJ619 Technical Guidelines for Environmental Impact Assessment Coal Mining and Preparation Engineering

MT/T 1044 Specification for preparation of coal geological exploration report

MT/T 1090 Coal quality evaluation specifications for coal resource exploration

MT/T 1091 Coal deposit hydrogeology, engineering geology and environmental geology exploration evaluation standards

MT/T 1151 Standards for Preparation of Feasibility Study Reports on Coal Industry Mine Engineering Construction Projects

MT/T 1152 Standards for Preparation of Feasibility Study Reports for Coal Industry Open-pit Mine Construction Projects

MT/T 1153 Standard for preparation of feasibility study report for coal industry coal preparation plant construction project

3 Terms and definitions

The following terms and definitions apply to this document.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 29 pages — is available in the English PDF.

Referenced standards

Normative references

HJ619

Similar standards

NB/T 11145-2023|GB/T 11615-2026|GB/T 18341-2021|GB/T 23249-2009|GB/T 11102-2008|GB/T 10202-1988

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