AS/NZS 60079.10.1:2009

Explosive atmospheres - Classification of areas - Explosive gas atmospheres

This document has been re-assessed by the committee, and judged to still be up to date.

Sets out requirements for the classification of areas where flammable gas or vapour risks might arise, in order to permit the proper selection and installation of electrical apparatus for use in such hazardous areas. This Standard is for the use of manufacturers and installers of electrical equipment as well as by electrical inspecting authorities. It provides guidance to industries and statutory authorities concerned with the classification of hazardous areas.

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Amendment history

AS/NZS 60079.10.1:2009 A1 . - incorporated. Published 28/11/2013.

Supersedes

AS/NZS 2430.3.1:2004 as of 18/09/2009
AS/NZS 2430.3.2:2004 as of 18/09/2009
AS/NZS 2430.3.3:2004 as of 18/09/2009
AS/NZS 2430.3.4:2004 as of 18/09/2009
AS/NZS 2430.3.5:2004 as of 18/09/2009
AS/NZS 2430.3.6:2004 as of 18/09/2009
AS/NZS 2430.3.7:2004 as of 18/09/2009
AS/NZS 2430.3.8:2004 as of 18/09/2009
AS/NZS 2430.3.9:2004 as of 18/09/2009
AS/NZS 60079.10:2004 as of 18/09/2009

Publishing information

Status: CURRENT

Published: 17/09/2009

Pages: 184

Committee: MS/11

References

This document may make references to other documents. All referenced documents are displayed below.

Standards NZ References:

Overseas Standards References:

AS 5601 Gas installations
IEC 60050-426 International Electrotechnical Vocabulary (IEV) – Part 426: Equipment for explosive atmospheres
RP 500 Recommended Practice for ‘Classification of Locations for Electrical Installations at Petroleum Facilities classi
AS 2746 Working areas for gas-fuelled vehicles
AG 901 Code of Practice for NGV Refuelling Stations (The Australian Gas Association)
UK IP 15 Model Code of Safe Practice in the Petroleum Industry Part 15: Area Classification Code for Petroleum Installat
AS 1482 Electrical equipment for explosive atmospheres - Protection by ventilation - Type of protection v
AS 2809 Road-tank vehicles for dangerous goods (all parts)
AS 2885.1 Pipelines Part 1: Design and construction
RP 505 Recommended Practice for ‘Classification of Locations for Electrical Installations at Petroleum Facilities classi
AS 2380.4 Electrical equipment for explosive atmospheres - Explosion-protection techniques Part 4: Pressurized rooms or
AS 2030 (all parts) Gas Cylinders
BS 5908 Code of practice for fire precautions in the chemical and allied industries
AS 1074 Steel tubes and tubulars for ordinary service
AS 3754 Safe application of powder coatings by electrostatic spraying
AS 1940 The storage and handling of flammable and combustible liquids
ADG Australian Code for the Transport of Dangerous Goods by Road and Rail
AS 1697 Installation and maintenance of steel pipe systems for gas
AS 3814 Industrial and commercial gas-fired appliances
AS 4645 Gas distribution network management

Citations

This document is cited by New Zealand legislation. Expand the box to see details.

Below ground stationary container systems for petroleum – design and installation HSNOCOP 44 - Revoked

Ministry: Environmental Protection Authority
Section: 6.5

Citation Context:
Hence, where petroleum substances are stored, hazardous atmosphere zones must be delineated in accordance with AS/NZS 60079.10.1:2009.

Below ground stationary container systems for petroleum – design and installation HSNOCOP 44 - Revoked

Ministry: Environmental Protection Authority
Section: Appendix A: Further Guidance

Citation Context:
AS/NZS 60079.10.1:2009 Explosive gas atmospheres Part 10.1: Classification of areas – Explosive gas atmospheres.

Gas (Safety And Measurement) Regulations 2010

Ministry: WorkSafe New Zealand: Energy Safety
Section: 5A(2)(b)(viii)

Citation Context:
...is within 20 metres of a hazardous area (as determined in accordance with AS/NZS 60079.10.1 or AS/NZS 60079.10.2, as appropriate...

Flammable Gases and Oxygen Tank Wagons HSNOCOP 29 - Revoked

Ministry: Environmental Protection Authority
Section: 1.6 References

Citation Context:
AS/NZS 60079.10.1: 2009 Explosive atmospheres – Classification of areas – Explosive gas atmospheres

Below ground stationary container systems for petroleum – design and installation HSNOCOP 44 - Revoked

Ministry: Environmental Protection Authority
Section: 11.5.1

Citation Context:
Hazardous atmosphere zones must be delineated about vents in accordance with the provisions of AS/NZS 60079.10.1 2009 and any electrical equipment installed within these zones must be compatible with the zoning.

Gas (Safety And Measurement) Regulations 2010

Ministry: WorkSafe New Zealand: Energy Safety
Section: Schedule 1

Citation Context:
AS/NZS 60079.10.1:2009: New Zealand Standard known as AS/NZS 60079.10.1:2009 (Explosive atmospheres—Classification of areas—Explosive gas atmospheres)

Code of Practice: In-situ Filling of LPG Cylinders, HSNO COP 38

Ministry: LPG Association of New Zealand Inc
Section: 4

Citation Context:
AS/NZS 60079.10.1: 2009 Explosive atmospheres - Classification of areas - Explosive gas atmospheres (IEC 60079-10-1, Ed.1.0 (2008) MOD)

Secondary Containment Systems, HSNOCOP 47 - Revoked

Ministry: Environmental Protection Authority
Section: 4

Citation Context:
Flammable substances can create hazardous atmosphere zones. Such zones can be present in compounds for flammable substances. These zones must be delineated and controls in place. Refer to AS/NZS 60079.10 for the classification of hazardous atmosphere zones.

Approved code of practice for flammable liquids road tank wagons

Ministry: WorkSafe New Zealand
Section: 1.8

Citation Context:
AS/NZS 60079.10.1:2009 Explosive atmospheres – Classification of areas – Explosive gas atmospheres

Approved code of practice for flammable liquids road tank wagons

Ministry: WorkSafe New Zealand
Section: 2.3

Citation Context:
Delineation of hazardous areas - Hazardous areas are deemed to exist during hazardous substance transfer and for five minutes after. The hazardous area must be determined according to the area classifications of AS/NZS 60079.10.1:2009 or a relevant safe work instrument that specifies hazardous areas and takes into account the risk of the presence of flammable materials.

Flammable Gases and Oxygen Tank Wagons HSNOCOP 29 - Revoked

Ministry: Environmental Protection Authority
Section: 2.4.10

Citation Context:
Hazardous atmosphere zones shall be determined in accordance with the principles of the area classifications of AS/NZS 2430.3.4:2004 or AS/NZS 60079.10.1:2009. These zones exist for the period of the transfer plus a further five minutes.

Secondary Containment Systems, HSNOCOP 47 - Revoked

Ministry: Environmental Protection Authority
Section: 8

Citation Context:
AS/NZS 60079.10 Explosive atmospheres – Classification of areas – Explosive gas atmospheres (IEC 60079-10-1, Ed.1.0(2008)

HSNOCOP 6 Flammable Liquids Tank Wagons - Revoked

Ministry: Environmental Protection Authority
Section: 2.4.10

Citation Context:
The hazardous atmosphere zone shall be determined in accordance with the area classifications of ... ... or AS/NZS 60079.10.1:2009.

Approved code of practice for flammable liquids road tank wagons

Ministry: WorkSafe New Zealand
Section: 3.9

Citation Context:
Repairs and servicing of tank wagons... ...A PCBU may take tank wagons that are not gas-freed into a building for repairs, vehicle inspection or servicing, including maintenance, but not hot work, provided that:... ...d. Hazardous areas are delineated in accordance with the provisions of AS/NZS 60079.10.1:2009 and all electrical equipment is rated accordingly or disconnected.... ...A PCBU may service tank wagons outside a building provided that:.. ...c. Hazardous areas are delineated in accordance with the provisions of AS/NZS 60079.10.1.

HSNOCOP 6 Flammable Liquids Tank Wagons - Revoked

Ministry: Environmental Protection Authority
Section: 1.6 References

Citation Context:
AS/NZS 60079.10.1:2009 Explosive atmospheres – Classification of areas – Explosive gas atmospheres.

Code of Practice: In-situ Filling of LPG Cylinders, HSNO COP 38

Ministry: LPG Association of New Zealand Inc
Section: 9

Citation Context:
Hazardous atmosphere zones must be delineated and identified in accordance with AS/NZS 60079.10.1:2009.... ...Further reference should be made to AS/NZS 60079.10.1:2009 to identify how site specific issues must be taken into account.

Code of Practice: In-situ Filling of LPG Cylinders, HSNO COP 38

Ministry: LPG Association of New Zealand Inc
Section: Appendix 1

Citation Context:
Figures from AS/NZS 60079.10.1:2009

Health and Safety at Work (Hazardous Substances) Regulations 2017

Ministry: WorkSafe New Zealand
Section: 10.6(1)

Citation Context:
A PCBU with management or control of work using a class 2.1.1A, 2.1.1B, 2.1.2A, 3.1A, 3.1B, or 3.1C substance at a place within a workplace must ensure that a hazardous area is established at the place that complies with—(a) AS/NZS 60079.10.1:2009, if the threshold quantity in that standard for a particular substance is met; or...

Health and Safety at Work (Hazardous Substances) Regulations 2017

Ministry: WorkSafe New Zealand
Section: 10.1

Citation Context:
AS/NZS 60079.10.1:2009 means the standard on Explosive atmospheres—Part 10.1: Classification of areas—Explosive gas atmospheres (IEC 60079–10–1)

Code Of Practice: Hazardous Atmosphere Zones - AS/NZS 60079.10.1:2009

Ministry: Environmental Protection Authority
Section: 4

Citation Context:
This Code requires hazardous atmosphere zones to be delineated in accordance with the standard AS/NZS 60079.10.1:2009.

ICS codes

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AS/NZS 60079.10.1:2009

Explosive atmospheres - Classification of areas - Explosive gas atmospheres

Table of contents

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Amendment history

Supersedes

Publishing information

References

Citations

ICS codes

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