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NB/T 11258-2023General requirements of electromechanical management for underground coal mine (English PDF)

井工煤矿机电管理通用要求

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

May 26, 2023

Implementation date

November 26, 2023

Scope

NB/T 11258-2023 is the English-translated version of 井工煤矿机电管理通用要求.

NB/T 11258-2023 sets out how electromechanical work should be managed in underground coal mines, from organisation to daily practice.

It covers the organisational structure and responsibilities, the safety and technical management systems, and the full life cycle of equipment: planning, design and selection, purchasing, installation, commissioning and acceptance, operation, maintenance, technical upgrading, scrapping and spare parts.

A dedicated clause deals with power supply management for both the surface and the underground distribution systems, and the document closes with inspection, assessment and continuous improvement.

It draws on the GB/T 3836 explosive atmosphere series and on coal mine power supply and installation codes. Issued on 26 May 2023, it has applied since 26 November 2023.

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Document preview — NB/T 11258-2023

National Standard of the People's Republic of China

ICS: 73.100.01
Classification: D 90

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

PrefaceI
1 Scope
2 Normative reference documents
3 Terms and Definitions
4 General
5 Organizational Structure and Responsibilities
6 Management system
6.1 Safety management system
6.2 Technical management system
7 Device Management
7.1 Plan
7.2 Design and selection
7.3 Purchase
7.4 Installation, debugging and acceptance
7.5 Operation and maintenance
7.6 Maintenance
7.7 Technical transformation
7.8 Scrap
7.9 Spare parts management
8 Power supply management
8.1 Ground power supply system
8.2 Underground power supply system
9 Inspection, assessment and continuous improvement

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 general principles, organizational structure and responsibilities, management system, equipment management, power supply management, inspection and examination of mechanical and electrical management of underground coal mines. Core and continuous improvement.

This document applies to mechanical and electrical management of underground coal mines (hereinafter referred to as "mechanical and electrical management").

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 3836.1 Explosive atmosphere Part 1: General requirements for equipment

GB/T 3836.2 Explosive atmospheres Part 2: Equipment protected by flameproof enclosure "d"

GB/T 3836.3 Explosive atmospheres Part 3: Equipment protected by increased safety type "e"

GB/T 3836.4 Explosive atmospheres Part 4: Equipment protected by intrinsically safe type "i"

GB/T 3836.5 Explosive atmospheres Part 5: Equipment protected by positive pressure enclosure "p"

GB/T 3836.6 Explosive atmospheres Part 6: Equipment protected by liquid immersion type "o"

GB/T 3836.7 Explosive atmospheres Part 7: Equipment protected by sand-filled type "q"

GB/T 3836.8 Explosive atmospheres Part 8: Equipment protected by "n" type

GB/T 3836.9 Explosive atmospheres Part 9: Equipment protected by casting type "m"

GB/T 3836.13 Explosive atmospheres Part 13: Repair, overhaul, restoration and modification of equipment

GB/T 3836.15 Explosive atmospheres Part 15: Design, selection and installation of electrical installations

GB/T 3836.16 Explosive atmospheres Part 16: Inspection and maintenance of electrical installations

GB/T 3836.18 Explosive atmospheres Part 18: Intrinsically safe electrical systems

GB/T 3836.30 Explosive environments Part 30: Equipment and components for explosive environments in underground mines

GB/T 3836.34 Explosive atmosphere Part 34: Complete equipment

GB/T 15663.11 Coal mine scientific and technological terminology Part 11: Coal mine electrical

GB/T 50150 Standard for handover test of electrical equipment for electrical installation installation projects

GB 50215 Coal industry design specifications

GB/T 50417 Design specifications for underground power supply and distribution in coal mines

GB 50946 Coal mine equipment installation engineering quality acceptance specifications

GB 51062 Construction specifications for coal mine equipment installation projects

GB/T 51272 Coal industry intelligent mine design standards

AQ1023 General safety technical requirements for underground low-voltage power supply systems and equipment in coal mines

DL409 Electrical Safety Work Procedures (Power Line Part)

DL/T 572 Power Transformer Operating Procedures

DL/T 596 Preventive test procedures for electrical equipment

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 3836.15 · GB/T 50150 · AQ1023 · DL409 · DL/T 572 · DL/T 596

Similar standards

NB/T 11527-2024|NB/T 11543-2024|NB/T 11646-2024|NB/T 11106-2023|NB/T 11120-2023|NB/T 11121-2023

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