Domain - Electrical Apparatus in Explosive Atmospheres - Operations

Report on the integrity of explosion-protected electrical apparatus in explosive atmospheres

Version 4

17054 Unit Standard 3 Credits

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This unit standard is intended for people who are responsible for plant operation, maintenance, and inspections. People credited with this unit standard are able to: . demonstrate knowledge of visible conditions of explosion-protected apparatus that indicate the protection is void, and changes in the nature of the explosion hazardous environment that may render the explosion-protection unsafe . prepare to work in a hazardous area . observe and document condition of explosion-protected system area, and . take actions to limit the risks of an explosion.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Install explosion-protected equipment and associated equipment and wiring systems

Version 4

17056 Unit Standard 6 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres. People credited with this unit standard are able to: - prepare for installation of explosion-protected equipment and wiring systems - install equipment and wiring systems, and - confirm completion of the installation.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Maintain electrical equipment associated with explosive atmospheres

Version 4

17058 Unit Standard 6 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres. People credited with this unit standard are able to: . prepare to carry out maintenance of electrical equipment associated with explosive atmospheres . carry out maintenance of electrical equipment associated with explosive atmospheres, and . complete maintenance work and documentation.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Attend to breakdowns in explosive atmospheres

Version 3

17059 Unit Standard 7 Credits

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This unit standard is intended for electricians, technicians, or engineers who are responsible for attending to breakdowns in explosive atmospheres, or of explosion-protected and associated apparatus. People credited with this unit standard are able to: . prepare to attend breakdown . evaluate extent of work . arrange repair work, and . confirm completion of work.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Conduct testing of electrical apparatus in explosive atmospheres installations

Version 3

17073 Unit Standard 4 Credits

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This unit standard is for electricians who are responsible for conducting testing of electrical, electronic, instrument, and data communication installations for explosive atmospheres. People credited with this unit standard are able to: . demonstrate knowledge of testing installations of explosion-protected apparatus, wiring, and circuits associated with explosive atmospheres . demonstrate knowledge of visible conditions of explosion-protection apparatus that indicate the protection is void, and changes in the nature of the explosion hazard that may render the explosion-protection unsafe . prepare to conduct testing . conduct testing and . confirm and document test results.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Use and maintain the integrity of portable gas detection devices in hazardous areas

Version 2

24976 Unit Standard 2 Credits

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This unit standard is intended for competent people who require entry to a designated hazardous area to undertake repair, maintenance, or construction work. People credited with this unit standard are able to: . prepare to use a portable gas detection device . establish safety of the area with regard to the presence of gases or vapours . monitor gas detection devices for the presence of gases or vapours, and . follow procedures to maintain the integrity of gas detection devices.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Install fixed gas detection apparatus in hazardous areas

Version 2

24977 Unit Standard 2 Credits

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This unit standard is intended for people who are authorised by the Electrical Workers Registration Board (EWRB) to carry out installations of electrical apparatus, and are responsible for installation of electrical apparatus in explosive atmospheres. People credited with this unit standard are able to: . prepare for installation of gas detection apparatus . install gas detection apparatus, and . check and calibrate response of gas detection apparatus.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Carry out overhaul and repair of explosion-protected apparatus
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24979 Unit Standard 2 Credits

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This unit standard covers the explosion-protection aspects of overhauling and repairing explosion-protected apparatus at a craftsperson level. It requires the ability to identify and select authorised components, follow repair specifications to effect the overhauled and repaired apparatus and complete repair documentation. This unit standard is intended for electricians, electronic technicians, and/or mechanics responsible for the repair of explosion-protected apparatus. People credited with this unit standard are able to: . prepare for overhaul and repair of apparatus; . carry out the overhaul and repair work; and . document overhaul and repair work.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Repair reeling, trailing, and flexible electrical cables
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24982 Unit Standard 2 Credits

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This unit standard covers the sheathing, insulation, and conductor repair of reeling, trailing and flexible cables. It requires the ability to work safely and to Standards, follow repair instructions, apply repair techniques and document the repair work. This unit standard is intended for electrical service technicians who are responsible for electrical apparatus overhaul and repair. People credited with this unit standard are able to: . demonstrate knowledge of reeling, trailing, and flexible cable, and repair techniques; . prepare to repair cable; . carry out cable repair; and . complete and document cable repair work.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Test reeling, trailing, and flexible electrical cables
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24983 Unit Standard 1 Credits

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This unit standard covers the pre and post repair testing of reeling, trailing, and flexible cables. It requires the ability to work safely and to Standards, evaluate the condition of cables, conduct cable tests, write repair specifications, and document test results and cable repair history. This unit standard is intended for electricians or electrical service technicians who are responsible for electrical apparatus overhaul and repair. People credited with this unit standard are able to: . demonstrate knowledge of reeling, trailing, and flexible cable, and repair techniques; . demonstrate knowledge of electrical fundamentals and testing techniques; . prepare to test cables; . specify the extent of cable repair required; . test repaired cable; and . document cable tests.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Inspect and fit plugs/couplers for reeling, trailing, and flexible electrical cables
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24984 Unit Standard 1 Credits

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This unit standard covers the inspection, component replacement, and fitting of plugs/couplers on reeling, trailing, and flexible cables for use in hazardous areas and explosive atmospheres. It requires the ability to work safely and to Standards, to evaluate the condition of the plugs/couplers, to identify correct core and pin configurations, to apply repair techniques and to document repair/replacement work. This unit standard is intended for electrical service technicians or electricians who are responsible for electrical apparatus overhaul and repair. People credited with this unit standard are able to: . demonstrate knowledge of reeling, trailing, and flexible cable plug and coupler inspection and fitting techniques; . prepare to repair cable; . inspect and fit plugs/couplers; and . complete and document cable repair work.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Disconnect and reconnect explosion-protected apparatus connected to low voltage supply
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24986 Unit Standard 2 Credits

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This unit standard covers isolating, disconnecting and reconnecting flameproof, increased safety and intrinsic safety electrical apparatus to supply up to 1000 V a.c. or 1500 V d.c. under the restrictions of the designated electrical apparatus and conditions specified. It encompasses working safely in hazardous areas, following isolation procedures, handling explosion-protected apparatus, selecting and using testing and measuring devices, terminating and connecting cables and conductors, safety testing and reporting. This unit standard is intended for electricians who are responsible for undertaking prescribed electrical maintenance work in hazardous areas. People credited with this unit standard are able to: . demonstrate knowledge of status and service reporting; . prepare for disconnection or reconnection; . disconnect electrical apparatus; . reconnect electrical apparatus; and . prepare electrical apparatus for service.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Demonstrate introductory underpinning knowledge of electrical equipment in explosive atmospheres

Version 3

26739 Unit Standard 5 Credits

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This unit standard is intended for use in the training and assessment of people who work with explosion-protected equipment in explosive atmospheres. People credited with this unit standard are able to demonstrate knowledge of: - explosive atmospheres and explosion-protection principles - the principles of explosion-protection techniques - the characteristics and application of the flameproof Ex d explosion-protection technique - the characteristics and application of the increased safety Ex e explosion-protection technique - the characteristics and application of intrinsic safety Ex i and Ex iD explosion-protection techniques - the characteristics and application of the non-sparking Ex n explosion-protection technique - the characteristics and application of less common explosion-protection techniques - the characteristics and application of the pressurisation enclosure Ex p technique - the characteristics and application of the enclosures for dusts Ex t explosion-protection technique - the common characteristics of explosion-protection techniques, and - Ex certification schemes.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Demonstrate and apply intermediate underpinning knowledge of electrical equipment in explosive atmospheres

Version 3

26740 Unit Standard 5 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres and covers the essential underpinning knowledge for people working with or intending to work with such equipment. People credited with this unit standard are able to demonstrate: - knowledge of hazardous areas installation and maintenance preparation techniques - knowledge of the relationship between explosion-protected equipment, certification documentation, and required equipment installation locations for the installation as given in specifications and layout drawings and/or written instructions - knowledge of Standards and requirements applicable to explosive atmospheres - knowledge of maintenance procedures required in hazardous areas that ensure the integrity of the explosion-protection technique - knowledge of cable termination types suitable for use in explosive atmospheres - cable terminating methods suitable for use with various explosion-protection techniques in hazardous areas - knowledge of documents that show the classification of a hazardous area - knowledge of selection and checking of equipment, wiring, and accessories suitable for use in explosive atmospheres - knowledge of cables and cable selection suitable for use in explosive atmospheres - knowledge of hazardous areas installation design documentation, and - knowledge of common and specific hazardous areas for which classification examples are given in Standards.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Demonstrate underpinning knowledge of gas detection equipment in explosive atmospheres

Version 3

26741 Unit Standard 5 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres. People credited with this unit standard are able to demonstrate: - knowledge of explosive atmospheres and explosion-protection principles - and apply knowledge of the principles of gas detection and the use and care of portable gas detection devices - knowledge of the factors to consider in the evaluation and selection of portable gas detection equipment - knowledge of basic properties, behaviour, and detection of gases and vapours - knowledge of fixed gas detection equipment, and - knowledge of the instructions to be given to non-technical people in the use of portable gas detection devices in specific applications or environments.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Demonstrate underpinning knowledge of permanently-installed gas detection apparatus in explosive atmospheres

Version 2

26742 Unit Standard 4 Credits

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This unit standard is for people working with or intending to work with fixed gas detection apparatus in explosive atmospheres. People credited with this unit standard are able to demonstrate knowledge of: . requirements and techniques for installation and maintenance specific to fixed gas detection apparatus . the factors to consider in establishing the operating requirements for fixed gas and vapour detection apparatus, and . the use of published data in terms of selecting and installing gas detection apparatus.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Response check, calibrate, and maintain fixed gas detection apparatus in hazardous areas

Version 2

26743 Unit Standard 1 Credits

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This unit standard is for electricians or technicians responsible for maintenance of electrical apparatus in explosive atmospheres. People credited with this unit standard are able to: response check, calibrate, and maintain fixed gas detection apparatus in hazardous areas.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Determine the explosion-protection requirements specified for classified explosive atmospheres

Version 2

30069 Unit Standard 5 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres. People credited with this unit standard are able to: - prepare to review explosion-protected technical Standards - ascertain the requirements for each explosion-protection type - identify acceptable equipment certification for a given site.

Consent & Moderation Requirements:

CMR 3

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Develop and manage electrical inspection and maintenance programmes for explosive atmospheres
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 4

17070 Unit Standard 8 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres. This unit standard covers the development and management of maintenance programmes and incorporates strategies for inspections, repair, overhaul, replacement of components, and recording of maintenance outcomes. People credited with this unit standard are able to: - demonstrate knowledge of the management responsibilities related to explosive atmospheres, the strategies used to maintain the safety of explosive atmospheres, and the maintenance requirements; - demonstrate knowledge of visible conditions of explosion-protected equipment that indicate the protection is void, and changes in the nature of the explosion hazard that may render the explosion-protection unsafe; - establish inspection and maintenance requirements; - develop inspection programmes for a given explosive atmosphere area; and - implement and evaluate inspection and maintenance programmes to identify the maintenance that is required.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Plan electrical installations for explosive atmospheres
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 4

17071 Unit Standard 8 Credits

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This unit standard is intended for use in the training and assessment of people who work with electrical equipment in explosive atmospheres. This unit standard covers the aspects of planning electrical installations for explosive atmospheres. It requires the ability to identify explosive atmospheres zones from classification diagrams, or from examples of previously classified areas such as those given in Standards, and to select and locate explosion-protected equipment and wiring systems and other items that may influence the explosion-protection technique. People credited with this unit standard are able to: - determine the extent of the installation; - select and check equipment, wiring components, and accessories; and - document installation plan.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Establish, arrange and verify overhaul and repair of explosion-protected apparatus
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24987 Unit Standard 5 Credits

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This unit standard covers the explosion-protection aspects of overhauling and repairing explosion-protected apparatus and the activities required of the responsible person. It requires the ability to establish and document the level of work required, to arrange for the overhaul and repair to be carried out, to verify compliance of overhauled and repaired apparatus, and to complete the necessary documentation. This unit standard is intended for electricians, electronic technicians, and/or mechanics responsible for apparatus repair workshop supervision. People credited with this unit standard are able to: . demonstrate knowledge of the procedures required to overhaul and repair explosion-protected apparatus at a registered workshop engaged in the overhaul and repair of explosion-protected apparatus; . demonstrate knowledge of overhaul and repair for specific explosion-protection techniques; . prepare for overhaul and repair of apparatus; . establish the level of overhaul required; . arrange overhaul and repair work; . verify that apparatus complies with original certification; and . document overhaul and repair work.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Design explosion-protected electrical systems and installations
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 3

17072 Unit Standard 12 Credits

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This unit standard covers the explosion-protection aspects of designing electrical power, control and instrumentation systems and installations. It requires the ability to establish design briefs and to pursue economical and effective explosion-protection design solutions. This unit standard is for engineering associates who are responsible for the design of electrical power, control, and instrumentation systems and installations. People credited with this unit standard are able to: . demonstrate knowledge of explosion-protected electrical system design; . establish design brief; . design system and installation; and . check and finalise design.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council

Design gas detection systems and installations for hazardous areas
This standard is expiring. The last date for assessment to take place is Tue Dec 31 00:00:00 NZDT 2024.

Version 2

24978 Unit Standard 8 Credits

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This unit standard covers the selection aspects of gas detection apparatus for the design of gas detection systems and installations for hazardous areas. It requires the ability to establish apparatus parameters and to evaluate these against the manufacturer''s specifications. This unit standard is intended for engineers who are responsible for the design of gas detection systems and installations for hazardous areas. People credited with this unit standard are able to: . demonstrate knowledge of requirements and techniques for the installation and maintenance of fixed gas detection apparatus; . establish gas detection parameters; . select gas detection apparatus; and . document details of gas detection apparatus to be used.

Standard-setting body:

Waihanga Ara Rau Construction and Infrastructure Workforce Development Council