Standard
UPDATE AVAILABLE
AS/NZS 2290.1:2014
[Superseded]Electrical equipment for coal mines — Introduction, inspection and maintenance, Part 1: For hazardous areas
This Standard sets out requirements for the inspection and maintenance of electrical equipment designed for use in hazardous areas in and around underground coal mines.
Published: 11/02/2014
Pages: 55
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Definitions
2 General requirements
2.1 Life cycle management
2.2 Documentation
2.2.1 General
2.2.2 Verification dossier
2.2.3 Additional documentation
2.3 Competency
2.3.1 Competent persons
2.3.2 Electrical engineering manager
2.4 Inspections
2.4.1 General
2.4.2 Determining accessibility for inspection of components
2.4.3 Types of inspection
2.4.3.1 General
2.4.3.2 Initial inspection
2.4.3.3 Periodic inspections
2.4.3.4 Pre-overhaul audit
2.5 Initial inspection requirements
2.6 Periodic inspection requirements
2.6.1 General
2.6.2 Frequency of inspection
2.6.3 Portable equipment
2.6.4 Fixed installations
2.6.5 Transportable and mobile equipment
2.7 Pre-overhaul audit requirements
2.7.1 General
2.7.2 Examination
2.7.3 Equipment not included in pre-overhaul audit
2.8 Maintenance requirements
2.8.1 Repair and alterations to equipment
2.8.2 Maintenance of flexible cables entering enclosures
2.8.3 Repair in situ
2.8.4 Withdrawal from service
2.8.5 Fastenings and tools
2.9 Environmental conditions
2.10 Isolation of equipment
2.10.1 Installations other than intrinsically safe circuits
2.10.2 Intrinsically safe installations
2.10.2.1 General
2.10.2.2 Maintenance work in hazardous areas
2.10.2.3 Maintenance work in non-hazardous areas
2.11 Earthing and equipotential bonding
2.12 Specific conditions of use
2.13 Mobile, portable and transportable equipment and its connections
2.14 General inspection requirements
2.14.1 General
2.14.2 Equipment is appropriate to the requirements of the location
2.14.3 Equipment maximum surface temperature
2.14.4 Equipment circuit identification
2.14.5 Cable gland
2.14.6 Cables, plugs and couplers
2.14.7 Fault loop impedance or earthing resistance
2.14.8 Insulation resistance
2.14.9 Electrical protection devices
3 Specific inspection requirements
3.1 General
3.2 Type of protection ‘d’—Flameproof enclosure
3.2.1 Flameproof joints
3.2.2 Periodic inspection—External inspection
3.2.3 Periodic inspection—Internal inspection
3.2.4 Pre-overhaul audit
3.3 Type of protection ‘e’—Increased safety
3.3.1 General
3.3.2 Enclosures
3.3.3 Overloads
3.3.4 Replacement parts
3.3.5 Periodic inspection—External inspection
3.3.6 Periodic inspection—Internal inspection
3.4 Type of protection ‘i’—Intrinsic safety
3.4.1 General
3.4.2 Enclosures
3.4.3 Labelling
3.4.4 System configuration and entity parameters
3.4.5 Repairs and unauthorized modifications
3.4.6 Replacement parts and attachments
3.4.7 Associated apparatus (safety interface) between intrinsically safe and non-intrinsically safe circuits
3.4.8 Cables
3.4.9 Cable screens
3.4.10 Point-to-point connections
3.4.11 Earth continuity of non-galvanically isolated circuits
3.4.12 Intrinsically safe circuit earthing and insulation
3.4.13 Separation between intrinsically safe and non-intrinsically safe circuits
3.4.14 Inspection schedule
3.5 Type of protection ‘p’—Pressurized enclosure
3.6 Type of protection ‘m’—Encapsulation
3.7 Type of protection ‘o’—Oil-immersion
3.8 Type of protection ‘q’—Powder-filling
3.9 Type of protection ‘s’—Special protection
3.10 Explosion protected caplights
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
Appendix F
Appendix G
Appendix H
Appendix I
Appendix J
Appendix K
Appendix L
Appendix M
M1 Introduction
M2 Historical background
M2.1 General
M2.2 Group I
M2.3 Group II and III
M3 General
M3.1 Introduction
M3.2 Mines susceptible to firedamp (Group I)
M3.2.1 EPL Ma
M3.2.2 EPL Mb
M3.3 Gases (Group II)
M3.3.1 EPL Ga
M3.3.2 EPL Gb
M3.3.3 EPL Gc
M3.4 Dusts (Group III)
M3.4.1 EPL Da
M3.4.2 EPL Db
M3.4.3 EPL Dc
M4 Risk ignition protection afforded
M5 Implementation
Cited references in this standard
[Current]
Electrical installations (known as the Australian/New Zealand Wiring Rules)
[Current]
Electrical equipment for explosive atmospheres - Repair and overhaul (IEC 60079-19:2015 (ED. 3.1), MOD)
AS/NZS 4761
Competencies for working with electrical equipment for hazardous areas (EEHA) (series)
[Available Superseded]
Occupational health and safety management systems — Specification with guidance for use
AS/NZS 4871
Electrical equipment for mines and quarries (series)
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