http://electricaldiploma2013.zoomshare.com/files/Munit.htm
Maintenance
& Repair Works in Hazardous Areas
http://www.filefactory.com/file/7lbmqnqxc3fr/BAE631.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
Atmospheres
Atmospheres
Atmospheres
Atmospheres
hazardous areas electrical equipment - coal mining
Electrical Wiring in Hazardous Areas
http://www.filefactory.com/file/5dqqiwmepr35/BAE632.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
-
coal mining
-
dust atmospheres
-
Pressurisation explosion-protected equipment
- gas atmospheres
http://www.filefactory.com/file/4d79qeoi8tqn/BAE633.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
equipment - gas atmospheres
installations - gas atmospheres
explosion-protected equipment - gas atmospheres
http://www.filefactory.com/file/3mb35hm1xngp/BAE634.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
in a hazardous area
Atmospheres
http://www.filefactory.com/file/20u974pyy5fl/BAE635.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
Atmospheres
http://www.filefactory.com/file/5fq1y7udblh1/BAE636.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
installations - gas atmospheres
http://www.filefactory.com/file/3j2209rntsmh/BAE637.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
Environmental Engineering in Hazardous Areas
http://www.filefactory.com/file/13uvb2r7uyeb/BAE638.zip
The resources in the above link cover
the following competency units
By clicking the green tile, you can see the
detailed contents of the following competency units
Maintenance & Repair Works in Hazardous Areas
UEENEEM019A Attend to breakdowns in
hazardous areas - coal mining
KS01-EM019A
Explosion protection, certification and techniques
Evidence shall show an understanding of Ex certification schemes and techniques to
accepted Standards to an extent indicated by the following aspects:
T1 Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New Zealand.
Schemes commonly used in countries other than Australia and New Zealand.
Processes for having equipment certified under the acceptable Ex schemes
scheme procedures; quality management requirements; conformance testing
and assessment; and requirements for ongoing certification.
T2 Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the flameproof (Ex d) technique. (Examples of characteristics
and design features are flame paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Flameproof
technique;
The use of Standards in determining the requirements to which the installation
of flameproof explosion-protected apparatus shall comply.
T3 Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Increased safety (Ex e) technique (Examples of
characteristics and design features are temperature rise, maximum power
dissipation, protection devices, certified components, creepage and clearance
distances, absence of sparking contacts and enclosure entries).
Typical situations where the Increased safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Increased
safety technique;
The use of Standards in determining the requirements to which the installation
of Increased safety explosion-protected apparatus shall comply.
T4 Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Non-sparking (Ex n) technique (Examples of characteristics
and design features are creepage and clearance distances and restricted
breathing).
Typical situations where the Non-sparking explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
Non-sparking technique; and
The use of Standards in determining the requirements to which the installation
of Non-sparking explosion-protected apparatus shall comply.
T5 Intrinsic safety (Ex i) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Intrinsic safety (Ex i) technique (Examples of characteristics
and design features are field devices, cables, safe area devices, earthing, entity
versus integrated system concept, simple devices and interface devices and
their parameters, segregation, infallible components, current and voltage
limiting, creepage and clearance distances).
Typical situations where the Intrinsic safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Intrinsic
safety;
The use of Standards in determining the requirements to which the installation
of Intrinsic safety explosion-protected apparatus shall comply.
T6 Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Pressurization (Ex p) technique (Examples of characteristics
and design features are exclusion and dilution; purge periods, controlled shut
down, monitoring and sources of internal release).
Typical situations where the pressurization explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
pressurization technique;
The use of Standards in determining the requirements to which the installation
of pressurization explosion-protected apparatus shall comply.
T7 Enclosures for dusts (Ex tD) - explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the techniques for dusts (Examples of characteristics and design
features are for enclosures; pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust explosion-protection technique is used;
Actions or conditions that would void the protection provided the each dust
technique;
The use of Standards in determining the requirements to which the installation
of dust explosion-protected apparatus shall comply.
T8 Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy enclosures.
The purpose of conformity and certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on explosion-protection techniques.
The principles and applications of other and mixed explosion-protection
techniques (Other techniques include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q, ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and cable termination devices designed
for use in hazardous areas (These include conduit seals and barrier and
compression glands for cables with or without armouring, screening and/or
drain wires)
UEENEEM020A Attend to breakdowns in
hazardous areas - gas
Atmospheres
KS01-EM020A
Explosion protection, certification and techniques
Evidence shall show an understanding of Ex certification schemes and techniques to
accepted Standards to an extent indicated by the following aspects:
T1 Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New Zealand.
Schemes commonly used in countries other than Australia and New Zealand.
Processes for having equipment certified under the acceptable Ex schemes
scheme procedures; quality management requirements; conformance testing
and assessment; and requirements for ongoing certification.
T2 Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the flameproof (Ex d) technique. (Examples of characteristics
and design features are flame paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Flameproof
technique;
The use of Standards in determining the requirements to which the installation
of flameproof explosion-protected apparatus shall comply.
T3 Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Increased safety (Ex e) technique (Examples of
characteristics and design features are temperature rise, maximum power
dissipation, protection devices, certified components, creepage and clearance
distances, absence of sparking contacts and enclosure entries).
Typical situations where the Increased safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Increased
safety technique;
The use of Standards in determining the requirements to which the installation
of Increased safety explosion-protected apparatus shall comply.
T4 Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Non-sparking (Ex n) technique (Examples of characteristics
and design features are creepage and clearance distances and restricted
breathing).
Typical situations where the Non-sparking explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
Non-sparking technique; and
The use of Standards in determining the requirements to which the installation
of Non-sparking explosion-protected apparatus shall comply.
T5 Intrinsic safety (Ex i) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Intrinsic safety (Ex i) technique (Examples of characteristics
and design features are field devices, cables, safe area devices, earthing, entity
versus integrated system concept, simple devices and interface devices and
their parameters, segregation, infallible components, current and voltage
limiting, creepage and clearance distances).
Typical situations where the Intrinsic safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Intrinsic
safety;
The use of Standards in determining the requirements to which the installation
of Intrinsic safety explosion-protected apparatus shall comply.
T6 Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Pressurization (Ex p) technique (Examples of characteristics
and design features are exclusion and dilution; purge periods, controlled shut
down, monitoring and sources of internal release).
Typical situations where the pressurization explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
pressurization technique;
The use of Standards in determining the requirements to which the installation
of pressurization explosion-protected apparatus shall comply.
T7 Enclosures for dusts (Ex tD) - explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the techniques for dusts (Examples of characteristics and design
features are for enclosures; pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust explosion-protection technique is used;
Actions or conditions that would void the protection provided the each dust
technique;
The use of Standards in determining the requirements to which the installation
of dust explosion-protected apparatus shall comply.
T8 Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy enclosures.
The purpose of conformity and certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on explosion-protection techniques.
The principles and applications of other and mixed explosion-protection
techniques (Other techniques include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q, ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and cable termination devices designed
for use in hazardous areas (These include conduit seals and barrier and
compression glands for cables with or without armouring, screening and/or
drain wires).
UEENEEM021A Attend to breakdowns in
hazardous areas - dust
Atmospheres
KS01-EM021A
Explosion protection, certification and techniques
Evidence shall show an understanding of Ex certification schemes and techniques to
accepted Standards to an extent indicated by the following aspects:
T1 Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New Zealand.
Schemes commonly used in countries other than Australia and New Zealand.
Processes for having equipment certified under the acceptable Ex schemes
scheme procedures; quality management requirements; conformance testing
and assessment; and requirements for ongoing certification.
T2 Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the flameproof (Ex d) technique. (Examples of characteristics
and design features are flame paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Flameproof
technique;
The use of Standards in determining the requirements to which the installation
of flameproof explosion-protected apparatus shall comply.
T3 Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Increased safety (Ex e) technique (Examples of
characteristics and design features are temperature rise, maximum power
dissipation, protection devices, certified components, creepage and clearance
distances, absence of sparking contacts and enclosure entries).
Typical situations where the Increased safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Increased
safety technique;
The use of Standards in determining the requirements to which the installation
of Increased safety explosion-protected apparatus shall comply.
T4 Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Non-sparking (Ex n) technique (Examples of characteristics
and design features are creepage and clearance distances and restricted
breathing).
Typical situations where the Non-sparking explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
Non-sparking technique; and
The use of Standards in determining the requirements to which the installation
of Non-sparking explosion-protected apparatus shall comply.
T5 Intrinsic safety (Ex i) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Intrinsic safety (Ex i) technique (Examples of characteristics
and design features are field devices, cables, safe area devices, earthing, entity
versus integrated system concept, simple devices and interface devices and
their parameters, segregation, infallible components, current and voltage
limiting, creepage and clearance distances).
Typical situations where the Intrinsic safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Intrinsic
safety;
The use of Standards in determining the requirements to which the installation
of Intrinsic safety explosion-protected apparatus shall comply.
T6 Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Pressurization (Ex p) technique (Examples of characteristics
and design features are exclusion and dilution; purge periods, controlled shut
down, monitoring and sources of internal release).
Typical situations where the pressurization explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
pressurization technique;
The use of Standards in determining the requirements to which the installation
of pressurization explosion-protected apparatus shall comply.
T7 Enclosures for dusts (Ex tD) - explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the techniques for dusts (Examples of characteristics and design
features are for enclosures; pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust explosion-protection technique is used;
Actions or conditions that would void the protection provided the each dust
technique;
The use of Standards in determining the requirements to which the installation
of dust explosion-protected apparatus shall comply.
T8 Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy enclosures.
The purpose of conformity and certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on explosion-protection techniques.
The principles and applications of other and mixed explosion-protection
techniques (Other techniques include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q, ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and cable termination devices designed
for use in hazardous areas (These include conduit seals and barrier and
compression glands for cables with or without armouring, screening and/or
drain wires).
UEENEEM022A Attend to breakdowns in
hazardous areas pressurisation
KS01-EM022A
Explosion protection, certification and techniques
Evidence shall show an understanding of Ex certification schemes and techniques to
accepted Standards to an extent indicated by the following aspects:
T1 Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New Zealand.
Schemes commonly used in countries other than Australia and New Zealand.
Processes for having equipment certified under the acceptable Ex schemes
scheme procedures; quality management requirements; conformance testing
and assessment; and requirements for ongoing certification.
T2 Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the flameproof (Ex d) technique. (Examples of characteristics
and design features are flame paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Flameproof
technique;
The use of Standards in determining the requirements to which the installation
of flameproof explosion-protected apparatus shall comply.
T3 Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Increased safety (Ex e) technique (Examples of
characteristics and design features are temperature rise, maximum power
dissipation, protection devices, certified components, creepage and clearance
distances, absence of sparking contacts and enclosure entries).
Typical situations where the Increased safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Increased
safety technique;
The use of Standards in determining the requirements to which the installation
of Increased safety explosion-protected apparatus shall comply.
T4 Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Non-sparking (Ex n) technique (Examples of characteristics
and design features are creepage and clearance distances and restricted
breathing).
Typical situations where the Non-sparking explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
Non-sparking technique; and
The use of Standards in determining the requirements to which the installation
of Non-sparking explosion-protected apparatus shall comply.
T5 Intrinsic safety (Ex i) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Intrinsic safety (Ex i) technique (Examples of characteristics
and design features are field devices, cables, safe area devices, earthing, entity
versus integrated system concept, simple devices and interface devices and
their parameters, segregation, infallible components, current and voltage
limiting, creepage and clearance distances).
Typical situations where the Intrinsic safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Intrinsic
safety;
The use of Standards in determining the requirements to which the installation
of Intrinsic safety explosion-protected apparatus shall comply.
T6 Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Pressurization (Ex p) technique (Examples of characteristics
and design features are exclusion and dilution; purge periods, controlled shut
down, monitoring and sources of internal release).
Typical situations where the pressurization explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
pressurization technique;
The use of Standards in determining the requirements to which the installation
of pressurization explosion-protected apparatus shall comply.
T7 Enclosures for dusts (Ex tD) - explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the techniques for dusts (Examples of characteristics and design
features are for enclosures; pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust explosion-protection technique is used;
Actions or conditions that would void the protection provided the each dust
technique;
The use of Standards in determining the requirements to which the installation
of dust explosion-protected apparatus shall comply.
T8 Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy enclosures.
The purpose of conformity and certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on explosion-protection techniques.
The principles and applications of other and mixed explosion-protection
techniques (Other techniques include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q, ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and cable termination devices designed
for use in hazardous areas (These include conduit seals and barrier and
compression glands for cables with or without armouring, screening and/or
drain wires).
UEENEEM027A Maintain equipment in
hazardous areas - coal mining
KS01-EM027A
Explosion protection installation
and maintenance requirements
Evidence shall show an
understanding of explosion protection installation and
maintenance requirements to an
extent indicated by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization (Ex
p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information
provided on the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording the
maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
UEENEEM028A Maintain equipment in
hazardous areas - gas
Atmospheres
KS01-EM028A
Explosion protection installation
and maintenance requirements
Evidence shall show an
understanding of explosion protection installation and
maintenance requirements to an
extent indicated by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization (Ex
p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information
provided on the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording the
maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
UEENEEM029A Maintain equipment in
hazardous areas - dust
Atmospheres
KS01-EM029A
Explosion protection installation
and maintenance requirements
Evidence shall show an
understanding of explosion protection installation and
maintenance requirements to an
extent indicated by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the
flameproof explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization (Ex
p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information
provided on the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording the
maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
UEENEEM030A Maintain equipment in
hazardous areas pressurisation
KS01-EM030A Explosion protection installation and maintenance requirements
Evidence shall show an understanding of explosion protection installation and
maintenance requirements to an extent indicated by the following aspects:
T1 Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New Zealand.
Schemes commonly used in countries other than Australia and New Zealand.
Processes for having equipment certified under the acceptable Ex schemes
scheme procedures; quality management requirements; conformance testing
and assessment; and requirements for ongoing certification.
T2 Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the flameproof (Ex d) technique. (Examples of characteristics
and design features are flame paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Flameproof
technique;
The use of Standards in determining the requirements to which the installation
of flameproof explosion-protected apparatus shall comply.
T3 Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Increased safety (Ex e) technique (Examples of
characteristics and design features are temperature rise, maximum power
dissipation, protection devices, certified components, creepage and clearance
distances, absence of sparking contacts and enclosure entries).
Typical situations where the Increased safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Increased
safety technique;
The use of Standards in determining the requirements to which the installation
of Increased safety explosion-protected apparatus shall comply.
T4 Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Non-sparking (Ex n) technique (Examples of characteristics
and design features are creepage and clearance distances and restricted
breathing).
Typical situations where the Non-sparking explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
Non-sparking technique; and
The use of Standards in determining the requirements to which the installation
of Non-sparking explosion-protected apparatus shall comply.
T5 Intrinsic safety (Ex i) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Intrinsic safety (Ex i) technique (Examples of characteristics
and design features are field devices, cables, safe area devices, earthing, entity
versus integrated system concept, simple devices and interface devices and
their parameters, segregation, infallible components, current and voltage
limiting, creepage and clearance distances).
Typical situations where the Intrinsic safety explosion-protection technique is
used;
Actions or conditions that would void the protection provided the Intrinsic
safety;
The use of Standards in determining the requirements to which the installation
of Intrinsic safety explosion-protected apparatus shall comply.
REQUIRED SKILLS AND KNOWLEDGE
T6 Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the Pressurization (Ex p) technique (Examples of characteristics
and design features are exclusion and dilution; purge periods, controlled shut
down, monitoring and sources of internal release).
Typical situations where the pressurization explosion-protection technique is
used;
Actions or conditions that would void the protection provided the
pressurization technique;
The use of Standards in determining the requirements to which the installation
of pressurization explosion-protected apparatus shall comply.
T7 Enclosures for dusts (Ex tD) - explosion-protection technique encompassing:
The purpose and characteristics of the design features of apparatus and circuits
protected by the techniques for dusts (Examples of characteristics and design
features are for enclosures; pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust explosion-protection technique is used;
Actions or conditions that would void the protection provided the each dust
technique;
The use of Standards in determining the requirements to which the installation
of dust explosion-protected apparatus shall comply.
T8 Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy enclosures.
The purpose of conformity and certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on explosion-protection techniques.
The principles and applications of other and mixed explosion-protection
techniques (Other techniques include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q, ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and cable termination devices designed
for use in hazardous areas (These include conduit seals and barrier and
compression glands for cables with or without armouring, screening and/or
drain wires).
T9 Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in a hazardous area;
the significance of information provided on the certification documentation
and schedules for a given item of explosion-protected equipment;
the typical contents of a verification dossier and their purpose; and
limitations in the use of tools and testing devices in hazardous areas.
T10 The relationship between explosion-protected equipment, their certification
documents and required locations given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance plate and certification documents
for a given item of explosion-protected equipment;
matching explosion-protected equipment with certification documents and the
equipment specified for an installation; and
the location the items of explosion-protected equipment for an installation
from specifications and layout drawings and/or instructions.
T11 Installation Standards and requirements applicable to hazardous
encompassing:
the wiring systems permitted and not permitted in or above hazardous areas;
equipment not permitted in or above hazardous areas;
the regulations and Standards to which explosion-protected equipment and
wiring must be installed in a hazardous area and how these are applied; and
the documentation required as a record of the installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas that will ensure the integrity of the
explosion-protection technique encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample and periodic inspections;
the features of each explosion-protection techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on explosion-protected equipment,
including corrosion and frequency of maintenance;
the documentation requirements for recording the maintenance process and
results;
the use of Standards in determining the requirements with which the design of
explosion-protected apparatus shall comply.
T13 Cable termination types suitable for use in hazardous areas encompassing:
explosion protection features of cable terminations devices.
selecting compliant cable termination devices.
T14 Terminating cables suitable for use in hazardous areas encompassing:
installing conduit systems, where applicable, including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland. (Gases only.)
terminating a multipair, SWA, overall screened, individual screened cable into
an enclosure.
testing termination/connections of installed cables/circuits.
UEENEEM047A Develop and manage
maintenance programs for
hazardous areas electrical equipment
- coal mining
KS01-EM047A
Hazardous areas maintenance
management
Evidence shall show an
understanding of hazardous areas maintenance management to
an extent indicated by the
following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization (Ex
p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Maintenance procedures in hazardous areas that will ensure the integrity
of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording
the maintenance process and
results; and
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T10 The responsibilities of a person managing
activities or a site related to a
hazardous area, encompassing:
OHS procedures that are to be established;
responsibilities for ensuring that a
hazardous area is safe; and
responsibilities and processes for
establishing and maintaining a verification
dossier.
T11 Explosion-protection strategies in relation
to a hazardous area, encompassing:
the process of classifying a hazardous area;
various ways in which electrical systems
/apparatus can be treated to prevent
them from becoming an ignition
source; and
the cost of the different ways of treating
electrical systems/apparatus
associated with hazardous areas.
T12 Requirements for the maintenance of
electrical systems associated with
hazardous areas, encompassing:
the type and grades of inspection of
hazardous areas;
maintenance programs for electrical
explosion-protected systems/apparatus;
And documentation requirements
associated with maintenance procedures.
Electrical Wiring in Hazardous Areas
UEENEEM023A Install
explosion-protected equipment and wiring systems
- coal mining
KS01-EM023A
Explosion protection installation
and maintenance requirements
Evidence shall show an
understanding of explosion protection installation and
maintenance requirements to an
extent indicated by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization
(Ex p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in
determining the requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification dossier
and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a hazardous
area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording
the maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
UEENEEM025A Install
explosion-protected equipment and wiring systems
- dust atmospheres
KS01-EM025A
Explosion protection installation
and maintenance requirements
Evidence shall show an
understanding of explosion protection installation and
maintenance requirements to an
extent indicated by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization (Ex
p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in
determining the requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording the
maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
UEENEEM026A Install
explosion-protected equipment and wiring systems
- pressurisation
KS01-EM026A
Explosion protection installation
and maintenance requirements
Evidence shall show an
understanding of explosion protection installation and
maintenance requirements to an
extent indicated by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the
Increased safety explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization
(Ex p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of explosion-protected
equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of
explosion-protected equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording
the maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
Safety Audit in Hazardous Areas
UEENEEM036A Conduct a conformity
assessment of explosion-protected
equipment - gas atmospheres
KS01-EM036A
Explosion-protected equipment
conformity assessment
Evidence shall show an
understanding of explosion-protected equipment conformity
assessment to an extent indicated
by the following aspects:
T1
Occupational Health and Safety responsibilities related to hazardous
areas
encompassing:
the main features and purpose of a clearance
to work system (includes hot
work permit systems).
typical safety procedures that should be
followed before entering a hazardous
area;
the purpose of gas detectors and their
limitations;
effects of temperature on gas and vapour
detection;
frequency of monitoring for presence of gas
or vapours, i.e. effects of
temperature rise;
factors affecting the accuracy of gas
detectors, for example, contamination,
condensation, temperature;
safety in use of gas detectors, for example,
read and run concept
the safety precautions to be taken when
working in a hazardous area.
T2
The roles of the parties involved in the safety of hazardous areas
encompassing:
common Acts and Regulations related to the
safety of hazardous areas and the
Authorities responsible for their implementation;
where assistance and further information can
be obtained to assist persons with
hazardous area responsibilities,
for example, Standard bodies, experienced
consultants; and
the hazardous area responsibilities of the
owner of premises in which a
hazardous area exists; the
occupier of premises in which a hazardous area
exists; enterprises and personnel
engaged in installation and/or maintenance of
explosion-protection systems;
enterprises and personnel engaged in the
classification of hazardous areas
and/or design of explosion-protection
systems; enterprises and personnel
engaged in the overhaul, modification
and/or assessment of
explosion-protected equipment; enterprises and personnel
engaged in the inspection of
explosion-protection installations; manufacturers
of explosion-protected equipment;
designated authorities; insurers.
T3
Properties of combustible substances and their potential to create an
explosive
hazard encompassing:
condition in the workplace that will lead to
an explosion;
the terms combustion, ignition and
propagation;
explosive range of substances encountered in
the workplace i.e. LEL/UEL;
explosive parameters of substances as given
in tables of substance properties
Note: Combustible materials are gases,
vapours (from liquids), and dusts; flash
point.
the difference between gases and vapours; and
the toxic nature of gases and vapours and
potential harmful consequences.
T4
The nature of hazardous areas encompassing:
the Standards definition of a hazardous
area;
the recommended methods for classifying the
type and degree of explosion
hazard in an area;
hazardous area classifications as defined by
Standards; and
factors that are considered when a hazardous
area is classified.
the basics of how explosion-protection is
achieved by the methods of
exclusion, containment, energy
limitation, dilution, avoidance of ignition
source.
T5
Explosive-protected equipment encompassing:
The principles of each explosion-protection
technique, the methods used and
how each technique works
(Flameproof (Ex d); Increased safety (Ex e);
Non-sparking (Ex n); Intrinsic
safety (Ex i) and Pressurization (Ex p) for
gas atmospheres and Dust-exclusion
enclosures (Ex tD); Pressurization (Ex
pD); Encapsulation
(Ex mD); and Intrinsic safety (Ex iD) for dusts)
How explosion-protected equipment is
identified by the Ex symbol marked
on the equipment, including old
equipment and equipment certified in another
country.
Visible conditions or actions that would void
the explosion-protection provided
by a particular technique.
T6
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T7
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T8
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T9
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking explosion-protected
apparatus shall comply.
T10 Intrinsic safety (Ex i)
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T11 Pressurization (Ex p) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization
(Ex p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization explosion-protected
apparatus shall comply.
T12 Enclosures for dusts (Ex tD)
- explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T13 Common characteristics of
explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T14 The compliance certification and the Ex
scheme for recognition of
certification encompassing:
the purposes of certification of
explosion-protected equipment;
the parties involved in the
assessment/testing and certification of
explosion-protected equipment and
their responsibilities; and
the process for recognition of
assessment/testing and certification of
explosion-protected equipment from
other countries.
T15 The preparation required to assess explosion-protected
equipment for
compliance with Standards
encompassing:
the special safety measures that should be
taken when assessing/testing
explosion-protected equipment;
documentation required prior to conducting
conformity assessment;
tests necessary to establish that an item of
explosion-protected equipment
conforms with relevant Standards;
and
situations where testing is not applicable or
required.
T16 Assessing and testing explosion-protected
equipment encompassing:
assessment and test requirements; and.
procedures for conducting a conformity
assessment.
T17 Documentation used in assessing
explosion-protected equipment for
conformance to accepted Standards
encompassing:
The documentation and Standard(s) required to
begin an assessment.
The differences between the test requirements
of Standards from other
countries and the
compliant/acceptable Standards against which the equipment
is being assessed.
Results given in equipment test reports.
Conformity assessment processes and
procedures.
T18 Assessing to a current acceptable Standard
existing equipment that has been
certified to previously acceptable
Standards encompassing:
processes and procedures used; and
possible outcomes.
T19 A clause by clause assessment between the
equipment manufacturing
Standard(s) and the current
acceptable Ex Standards encompassing:
processes and procedures used; and
differences between the Standards that may be
detected.
UEENEEM057A Design
explosion-protected electrical systems and
installations - gas atmospheres
KS01-EM057A
Hazardous area electrical systems
design
Evidence shall show an
understanding of hazardous area electrical systems design to
an extent indicated by the
following aspects:
T1
Occupational Health and Safety responsibilities related to hazardous
areas
encompassing:
the main features and purpose of a clearance
to work system (includes hot
work permit systems).
typical safety procedures that should be
followed before entering a hazardous
area;
the purpose of gas detectors and their
limitations;
effects of temperature on gas and vapour
detection;
frequency of monitoring for presence of gas
or vapours, i.e. effects of
temperature rise;
factors affecting the accuracy of gas
detectors, for example, contamination,
condensation, temperature;
safety in use of gas detectors, for example,
read and run concept
the safety precautions to be taken when
working in a hazardous area.
T2
The roles of the parties involved in the safety of hazardous areas
encompassing:
common Acts and Regulations related to the
safety of hazardous areas and the
Authorities responsible for their
implementation;
where assistance and further information can
be obtained to assist persons with
hazardous area responsibilities,
for example, Standard bodies, experienced
UEENEEM068A Assess the
fitness-for-purpose of hazardous areas
explosion-protected equipment - gas
atmospheres
KS01-EM068A
Explosion-protected equipment
fitness-for-purpose
Evidence shall show an
understanding of explosion-protected equipment
fitness-for-purpose to an extent
indicated by the following aspects:
T1
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T2
The relationship between explosion-protected equipment, their
certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the
compliance plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T3
Installation Standards and requirements applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T4
Maintenance procedures in hazardous areas that will ensure the integrity
of the
explosion-protection technique
encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording
the maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus shall
comply.
T5
Cable termination types suitable for use in hazardous areas
encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T6
The relationship between the documentation held in a verification
dossier and
the installed equipment
encompassing:
consistency between the location and type of
equipment with the area
classification details in the
verification dossier; and
equipment certification and any attached
conditions that relate to the
equipment as it is installed.
T7
Inspecting a hazardous area installation encompassing:
typical processes for undertaking the
inspection of a hazardous area
installation;
requirements applicable to a given
installation; and
reporting of an inspection of a hazardous
area installation.
T8
Documentation used in assessing explosion-protected equipment for
conformance to accepted Standards
encompassing:
The documentation and Standard(s) required to
begin an assessment.
The differences between the test requirements
of Standards from other
countries and the
compliant/acceptable Standards against which the equipment
is being assessed.
Results given in equipment test reports.
Conformity assessment processes and
procedures.
T9
Assessing to a current acceptable Standard existing equipment that has
been
certified to previously acceptable
Standards encompassing:
processes and procedures used; and
possible outcomes.
T10 A clause by clause assessment between the
equipment manufacturing
Standard(s) and the current
acceptable Ex Standards encompassing:
processes and procedures used; and
differences between the Standards that may be
detected.
T11 Techniques used in fitness-for purpose
assessment of equipment for use in
hazardous areas encompassing:
Processes for verifying that a design
specification meets the integrity of the
equipment, showing the equipment
is fit-for-purpose and is safe to use:
Standards against which fitness-for-purpose
assessment is made;
the need to maintain the accuracy/calibration
of measuring/test
devices/tools;
assessment and measurements/tests
requirements for determining that an
item of explosion-protected
equipment complies with the relevant
Standards and meets the
certification requirements;
testing that is/is not required to determine
compliance of the equipment
being assessed; and
development of different tests to those given
in Standards and justification
as to how they achieve the same
result.
Typical specification for the equipment to be
assessed as fit-for-purpose.
T12 Processes used in auditing hazardous areas
encompassing:
Requirements to retain hazardous areas
documentation on site.
Components of an audit:
authenticity of documentation;
hazardous areas delineations shown
in site diagrams;
location and operating parameters of
equipment shown in certification
documents;
compliance of equipment location;
compliance of wiring systems; and
alignment of hazardous areas documentation to
as- built installation.
Reporting non-conformance of an installation.
Explosion Protection Equipments & Methods
UEENEEM080A Report on the integrity
of explosion-protected equipment
in a hazardous area
KS01-EM080A Hazardous areas and explosion-protection
principles
Evidence shall show an
understanding of hazardous areas and explosion-protection
principles (including working
safely in hazardous areas), principles of the following
explosion-protection techniques
and visible conditions of explosion-protection
equipment that indicate the
protection is void and changes in the nature of the
explosion hazard that may render
the explosion-protection unsafe. to an extent
indicated by the following
aspects:
T1
Occupational Health and Safety responsibilities related to hazardous
areas
encompassing:
the main features and purpose of a
clearance to work system (includes hot work
permit systems).
typical safety procedures that should be
followed before entering a hazardous area;
the purpose of gas detectors and their
limitations;
effects of temperature on gas and vapour
detection;
frequency of monitoring for presence of gas
or vapours, i.e. effects of temperature
rise;
factors affecting the accuracy of gas
detectors, for example, contamination,
condensation, temperature;
safety in use of gas detectors, for example,
read and run concept
the safety precautions to be taken when
working in a hazardous area.
T2
The roles of the parties involved in the safety of hazardous areas
encompassing:
common Acts and Regulations related to the
safety of hazardous areas and the
Authorities responsible for their
implementation;
where assistance and further information can
be obtained to assist persons with
hazardous area responsibilities,
for example, Standard bodies, experienced
consultants; and
the hazardous area responsibilities of the
owner of premises in which a hazardous
area exists; the occupier of
premises in which a hazardous area exists; enterprises
and personnel engaged in
installation and/or maintenance of explosion-protection
systems; enterprises and personnel
engaged in the classification of hazardous areas
and/or design of
explosion-protection systems; enterprises and personnel engaged
in the overhaul, modification
and/or assessment of explosion-protected equipment;
enterprises and personnel engaged
in the inspection of explosion-protection
installations; manufacturers of
explosion-protected equipment; designated
authorities; insurers.
T3
Properties of combustible substances and their potential to create an
explosive
hazard encompassing:
condition in the workplace that will lead to
an explosion;
the terms combustion, ignition and
propagation;
explosive range of substances encountered in
the workplace i.e. LEL/UEL;
explosive parameters of substances as given
in tables of substance properties
Note: Combustible materials are
gases, vapours (from liquids), and dusts; flash point.
the difference between gases and vapours; and
the toxic nature of gases and vapours and
potential harmful consequences.
T4
The nature of hazardous areas encompassing:
the Standards definition of a hazardous
area;
the recommended methods for classifying the
type and degree of explosion hazard
in an area;
hazardous area classifications as defined by
Standards; and
factors that are considered when a
hazardous area is classified.
the basics of how explosion-protection is
achieved by the methods of exclusion,
containment, energy limitation,
dilution, avoidance of ignition source.
T5
Explosive-protected equipment encompassing:
The principles of each explosion-protection
technique, the methods used and how
each technique works (Flameproof
(Ex d); Increased safety (Ex e);
Non-sparking (Ex n); Intrinsic
safety (Ex i) and Pressurization (Ex p) for gas
atmospheres and Dust-exclusion
enclosures (Ex tD); Pressurization (Ex pD);
Encapsulation (Ex mD); and Intrinsic safety (Ex iD)
for dusts)
How explosion-protected equipment is
identified by the Ex symbol marked on
the equipment, including old
equipment and equipment certified in another
country.
Visible conditions or actions that would void
the explosion-protection provided by
a particular technique.
T6
Explosion-protection visual checks encompassing:
occupational, health and safety procedures to
be followed before entering
hazardous areas; and while
conducting visual inspection.
Visible defects in explosion-protected
equipment and wiring.
Conditions that may indicate a change in a
given explosion hazard.
Reporting defects in explosion-protected
equipment and wiring - the purpose of a
verification dossier; and various
ways for reporting defects in explosion-protected
equipment and wiring.
procedures to be followed in the event of a
change in the explosion hazard.
UEENEEM065A Conduct audit of
hazardous areas installations - gas
Atmospheres
KS01-EM065A
Hazardous areas installation
auditing
Evidence shall show an
understanding of hazardous areas installation auditing to an
extent indicated by the following
aspects:
T1
Occupational Health and Safety responsibilities related to hazardous
areas
encompassing:
the main features and purpose of a clearance
to work system (includes hot
work permit systems).
typical safety procedures that should be
followed before entering a hazardous
area;
the purpose of gas detectors and their
limitations;
effects of temperature on gas and vapour
detection;
frequency of monitoring for presence of gas
or vapours, i.e. effects of
temperature rise;
factors affecting the accuracy of gas
detectors, for example, contamination,
condensation, temperature;
safety in use of gas detectors, for example,
read and run concept
the safety precautions to be taken when
working in a hazardous area.
T2
The roles of the parties involved in the safety of hazardous areas
encompassing:
common Acts and Regulations related to the
safety of hazardous areas and the
Authorities responsible for their
implementation;
where assistance and further information can
be obtained to assist persons with
hazardous area responsibilities,
for example, Standard bodies, experienced
consultants; and
the hazardous area responsibilities of the
owner of premises in which a
hazardous area exists; the
occupier of premises in which a hazardous area
exists; enterprises and personnel
engaged in installation and/or maintenance of
explosion-protection systems;
enterprises and personnel engaged in the
classification of hazardous areas
and/or design of explosion-protection
systems; enterprises and personnel
engaged in the overhaul, modification
and/or assessment of
explosion-protected equipment; enterprises and personnel
engaged in the inspection of
explosion-protection installations; manufacturers
of explosion-protected equipment;
designated authorities; insurers.
T3
Properties of combustible substances and their potential to create an
explosive
hazard encompassing:
condition in the workplace that will lead to
an explosion;
the terms combustion, ignition and
propagation;
explosive range of substances encountered in
the workplace i.e. LEL/UEL;
explosive parameters of substances as given
in tables of substance properties
Note: Combustible materials are gases,
vapours (from liquids), and dusts; flash
point.
the difference between gases and vapours; and
the toxic nature of gases and vapours and
potential harmful consequences.
T4
The nature of hazardous areas encompassing:
the Standards definition of a hazardous
area;
the recommended methods for classifying the
type and degree of explosion
hazard in an area;
hazardous area classifications as defined by
Standards; and
factors that are considered when a hazardous
area is classified.
the basics of how explosion-protection is
achieved by the methods of
exclusion, containment, energy
limitation, dilution, avoidance of ignition
source.
T5
Explosive-protected equipment encompassing:
The principles of each explosion-protection
technique, the methods used and
how each technique works
(Flameproof (Ex d); Increased safety (Ex e);
Non-sparking (Ex n); Intrinsic
safety (Ex i) and Pressurization (Ex p) for
gas atmospheres and Dust-exclusion
enclosures (Ex tD); Pressurization (Ex
pD);
Encapsulation (Ex mD); and Intrinsic safety (Ex iD) for dusts)
How explosion-protected equipment is identified
by the Ex symbol marked
on the equipment, including old
equipment and equipment certified in another
country.
Visible conditions or actions that would void
the explosion-protection provided
by a particular technique.
T6
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T7
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T8
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T9
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T10 Intrinsic safety (Ex i)
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T11 Pressurization (Ex p) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization
(Ex p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T12 Enclosures for dusts (Ex tD)
- explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T13 Common characteristics of
explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
or use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T14 Preparation to install and maintain
explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T15 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T16 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T17 Processes used in auditing hazardous areas
encompassing:
Requirements to retain hazardous areas
documentation on site.
Components of an audit:
authenticity of documentation;
hazardous areas delineations shown in site
diagrams;
location and operating parameters of
equipment shown in certification
documents;
compliance of equipment location;
compliance of wiring systems; and
alignment of hazardous areas documentation to
as- built installation.
Reporting non-conformance of an installation.
UEENEEM039A Conduct testing of hazardous
areas installations - gas
Atmospheres
KS01-EM039A
Hazardous area installations
testing
Evidence shall show an
understanding of hazardous area installations testing to an
extent indicated by the following
aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified under
the acceptable Ex schemes
scheme procedures; quality
management requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the
Increased safety explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization
(Ex p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of
explosion-protected equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not
permitted in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T13 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
T14 Preparation for conducting installation
testing in a hazardous area
encompassing:
OHS procedures to be followed for working in
a hazardous area; and
procedures for determining whether a given
hazardous area is safe to conduct
electrical testing.
T15 Characteristics and limitations of testing
equipment used to test installation in
hazardous areas encompassing:
testing devices required to test an
installation in a hazardous area; and
the suitability of testing device for use in
a hazardous area.
T16 Documentation of results of hazardous area
installation tests encompassing:
test results that should be recorded in a
verification dossier; and
procedures and options for dealing with test
results that show
non-conformance.
UEENEEM052A Classify hazardous areas
- gas atmospheres
KS01-EM052A Hazardous areas classification
Evidence shall show an
understanding of processes involved in gathering and
analysing technical data to
classify non-specific hazardous areas. The following
aspects indicate the extent of
understanding required.
T1
Occupational Health and Safety responsibilities related to hazardous
areas
encompassing:
the main features and purpose of a clearance
to work system (includes hot work
permit systems).
typical safety procedures that should be
followed before entering a hazardous area;
the purpose of gas detectors and their
limitations;
effects of temperature on gas and vapour
detection;
frequency of monitoring for presence of gas
or vapours, i.e. effects of temperature
rise;
factors affecting the accuracy of gas
detectors, for example, contamination,
condensation, temperature;
safety in use of gas detectors, for example,
read and run concept
the safety precautions to be taken when
working in a hazardous area.
T2
The roles of the parties involved in the safety of hazardous areas
encompassing:
common Acts and Regulations related to the
safety of hazardous areas and the
Authorities responsible for their
implementation;
where assistance and further information can
be obtained to assist persons with
hazardous area responsibilities,
for example, Standard bodies, experienced
consultants; and
the hazardous area responsibilities of the
owner of premises in which a hazardous
area exists; the occupier of premises
in which a hazardous area exists; enterprises
and personnel engaged in
installation and/or maintenance of explosion-protection
systems; enterprises and personnel
engaged in the classification of hazardous areas
and/or design of
explosion-protection systems; enterprises and personnel engaged
in the overhaul, modification
and/or assessment of explosion-protected equipment;
enterprises and personnel engaged
in the inspection of explosion-protection
installations; manufacturers of
explosion-protected equipment; designated
authorities; insurers.
T3
Properties of combustible substances and their potential to create an
explosive
hazard encompassing:
condition in the workplace that will lead to
an explosion;
the terms combustion, ignition and propagation;
explosive range of substances encountered in
the workplace i.e. LEL/UEL;
explosive parameters of substances as given
in tables of substance properties
Note: Combustible materials are
gases, vapours (from liquids), and dusts; flash point.
the difference between gases and vapours; and
the toxic nature of gases and vapours and
potential harmful consequences.
T4
The nature of hazardous areas encompassing:
the Standards definition of a hazardous
area;
the recommended methods for classifying the
type and degree of explosion hazard
in an area;
hazardous area classifications as defined by
Standards; and
factors that are considered when a hazardous
area is classified.
the basics of how explosion-protection is
achieved by the methods of exclusion,
containment, energy limitation,
dilution, avoidance of ignition source.
T5
The process of classifying hazardous areas encompassing:
methods by which an area can be classified;
the characteristics/attributes of an area
that should be considered in the
classification process, for
example, type of process, nature of plant, source and
nature of release;
the requirements and Standards for
classifying a hazardous area; and
the responsibilities of the owner/occupiers
for classification of a hazardous area.
T6
The likelihood (zoning) or risk assessment method of an explosive hazard
encompassing:
ignition properties of materials relevant to
determining the likelihood and extent of
an explosive hazard;
sources for obtaining data on ignition
properties of materials under the conditions
in which they could be present in
a given process;
methods for assessment and calculation of
factors such as release rate , ventilation
and dispersion characteristics;
and and
means for reducing hazard risk.
T7
The extent of an explosive hazard and classifying an area accordingly
encompassing:
the extent of zones for an area given data on
the likelihood of the explosive hazard
for that area;
requirements for documenting the classification
of a hazardous area; and
the extent of the zones, temperature classes
and gas groups on site drawings in a
hazardous area.
UEENEEM078A Manage compliance of
hazardous areas
KS01-EM078A Hazardous areas compliance requirements
Evidence shall show an
understanding of hazardous areas compliance requirements to
an extent indicated by the
following aspects:
T1
Occupational Health and Safety responsibilities related to hazardous
areas
encompassing:
the main features and purpose of a clearance
to work system (includes hot work
permit systems).
typical safety procedures that should be
followed before entering a hazardous area;
the purpose of gas detectors and their
limitations;
effects of temperature on gas and vapour
detection;
frequency of monitoring for presence of gas
or vapours, i.e. effects of temperature
rise;
factors affecting the accuracy of gas
detectors, for example, contamination,
condensation, temperature;
safety in use of gas detectors, for example,
read and run concept
the safety precautions to be taken
when working in a hazardous area.
T2
The roles of the parties involved in the safety of hazardous areas
encompassing:
common Acts and Regulations related to the
safety of hazardous areas and the
Authorities responsible for their
implementation;
where assistance and further information can
be obtained to assist persons with
hazardous area responsibilities,
for example, Standard bodies, experienced
consultants; and
the hazardous area responsibilities of the
owner of premises in which a hazardous
area exists; the occupier of
premises in which a hazardous area exists; enterprises
and personnel engaged in
installation and/or maintenance of explosion-protection
systems; enterprises and personnel
engaged in the classification of hazardous areas
and/or design of
explosion-protection systems; enterprises and personnel engaged
in the overhaul, modification
and/or assessment of explosion-protected equipment;
enterprises and personnel engaged
in the inspection of explosion-protection
installations; manufacturers of
explosion-protected equipment; designated
authorities; insurers.
T3
Properties of combustible substances and their potential to create an
explosive
hazard encompassing:
condition in the workplace that will lead to
an explosion;
the terms combustion, ignition and
propagation;
explosive range of substances encountered in
the workplace i.e. LEL/UEL;
explosive parameters of substances as given
in tables of substance properties
Note: Combustible materials are
gases, vapours (from liquids), and dusts; flash point.
the difference between gases and vapours; and
the toxic nature of gases and vapours and
potential harmful consequences.
T4
The nature of hazardous areas encompassing:
the Standards definition of a hazardous
area;
the recommended methods for classifying the
type and degree of explosion hazard
in an area;
hazardous area classifications as defined by
Standards; and
factors that are considered when a hazardous
area is classified.
the basics of how explosion-protection is
achieved by the methods of exclusion,
containment, energy limitation,
dilution, avoidance of ignition source.
T5
The responsibilities of a person managing activities or a site related
to a
hazardous area, encompassing:
OHS procedures that are to be established;
responsibilities for ensuring that a
hazardous area is safe; and
responsibilities and processes for
establishing and maintaining a verification
dossier.
T6
Explosion-protection strategies in relation to a hazardous area,
encompassing:
the process of classifying a hazardous area;
various ways in which electrical systems
/apparatus can be treated to prevent them
from becoming an ignition source;
and
the cost of the different ways of treating
electrical systems/apparatus associated
with hazardous areas.
T7
Requirements for the maintenance of electrical systems associated with
hazardous areas, encompassing:
the type and grades of inspection of
hazardous areas;
maintenance programs for electrical
explosion-protected systems/apparatus; and
documentation requirements
associated with maintenance procedures.
UEENEEM042A Conduct visual
inspection of hazardous areas installations
KS01-EM042A
Hazardous areas visual inspection
Evidence shall show an
understanding of the purpose and process of hazardous areas
visual inspections to an extent
indicated by the following aspects:
T1
Occupational, health and safety procedures encompassing:
occupational, health and safety procedures to
be followed before entering
hazardous areas; and
occupational, health and safety
procedures to be followed while conducting
visual inspection.
T2
Requirements for a verification dossier and relationship to as-built
electrical
installation.
T3
Purpose, scope and limitations of visual inspections.
T4
Documentation requirements resulting from a visual inspection.
UEENEEM044A Conduct detailed
inspection of hazardous areas
installations - gas atmospheres
KS01-EM044A
Hazardous areas detailed inspection
techniques
Evidence shall show an
understanding of hazardous areas detailed inspection
techniques to an extent indicated
by the following aspects:
T1
Explosion-protection equipment Ex certification schemes encompassing:
Purpose and scope of certification schemes.
Schemes accepted in Australia and New
Zealand.
Schemes commonly used in countries other than
Australia and New Zealand.
Processes for having equipment certified
under the acceptable Ex schemes
scheme procedures; quality management
requirements; conformance testing
and assessment; and requirements
for ongoing certification.
T2
Flameproof (Ex d) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the flameproof (Ex
d) technique. (Examples of characteristics
and design features are flame
paths, integrity under pressure, pressure piling,
and enclosure entries).
Typical situations where the flameproof
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Flameproof
technique;
The use of Standards in determining the
requirements to which the installation
of flameproof explosion-protected
apparatus shall comply.
T3
Increased safety (Ex e) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Increased safety
(Ex e) technique (Examples of
characteristics and design
features are temperature rise, maximum power
dissipation, protection devices,
certified components, creepage and clearance
distances, absence of sparking
contacts and enclosure entries).
Typical situations where the Increased safety
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the Increased
safety technique;
The use of Standards in determining the
requirements to which the installation
of Increased safety
explosion-protected apparatus shall comply.
T4
Non-sparking (Ex n) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Non-sparking (Ex
n) technique (Examples of characteristics
and design features are creepage
and clearance distances and restricted
breathing).
Typical situations where the Non-sparking
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
Non-sparking technique; and
The use of Standards in determining the
requirements to which the installation
of Non-sparking
explosion-protected apparatus shall comply.
T5
Intrinsic safety (Ex i) explosion-protection
technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Intrinsic safety
(Ex i) technique (Examples of characteristics
and design features are field
devices, cables, safe area devices, earthing, entity
versus integrated system concept,
simple devices and interface devices and
their parameters, segregation,
infallible components, current and voltage
limiting, creepage and clearance
distances).
Typical situations where the Intrinsic safety
explosion-protection technique is
used;
Actions or conditions that would void the protection
provided the Intrinsic
safety;
The use of Standards in determining the
requirements to which the installation
of Intrinsic safety
explosion-protected apparatus shall comply.
T6
Pressurization (Ex p) explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the Pressurization
(Ex p) technique (Examples of characteristics
and design features are exclusion
and dilution; purge periods, controlled shut
down, monitoring and sources of
internal release).
Typical situations where the pressurization
explosion-protection technique is
used;
Actions or conditions that would void the
protection provided the
pressurization technique;
The use of Standards in determining the
requirements to which the installation
of pressurization
explosion-protected apparatus shall comply.
T7
Enclosures for dusts (Ex tD) -
explosion-protection technique encompassing:
The purpose and characteristics of the design
features of apparatus and circuits
protected by the techniques for
dusts (Examples of characteristics and design
features are for enclosures;
pressurization; encapsulation; and intrinsic safety).
Typical situations where the each dust
explosion-protection technique is used;
Actions or conditions that would void the
protection provided the each dust
technique;
The use of Standards in determining the
requirements to which the installation
of dust explosion-protected
apparatus shall comply.
REQUIRED SKILLS AND KNOWLEDGE
T8
Common characteristics of explosion-protection techniques encompassing:
The purposes of temperature classification
and gas grouping/apparatus
grouping.
Compliance plate markings.
Limitations of non-metallic or specific alloy
enclosures.
The purpose of conformity and
certification/approval for equipment used in
hazardous areas.
Environmental conditions that may impact on
explosion-protection techniques.
The principles and applications of other and
mixed explosion-protection
techniques (Other techniques
include encapsulation Ex m; oil-immersion Ex
o; powder-filling Ex q,
ventilation Ex v and special protection Ex s).
Features and purpose of conduit seals and
cable termination devices designed
for use in hazardous areas (These
include conduit seals and barrier and
compression glands for cables with
or without armouring, screening and/or
drain wires).
T9
Preparation to install and maintain explosion-protected equipment in
hazardous areas encompassing:
OHS procedures to be followed when working in
a hazardous area;
the significance of information provided on
the certification documentation
and schedules for a given item of
explosion-protected equipment;
the typical contents of a verification
dossier and their purpose; and
limitations in the use of tools and testing
devices in hazardous areas.
T10 The relationship between explosion-protected
equipment, their certification
documents and required locations
given in specifications and layout drawings and/or
written instructions encompassing:
the purpose of markings on the compliance
plate and certification documents
for a given item of
explosion-protected equipment;
matching explosion-protected equipment with
certification documents and the
equipment specified for an
installation; and
the location the items of explosion-protected
equipment for an installation
from specifications and layout
drawings and/or instructions.
T11 Installation Standards and requirements
applicable to hazardous
encompassing:
the wiring systems permitted and not permitted
in or above hazardous areas;
equipment not permitted in or above hazardous
areas;
the regulations and Standards to which
explosion-protected equipment and
wiring must be installed in a
hazardous area and how these are applied; and
the documentation required as a record of the
installation process, including
certification documentation.
T12 Maintenance procedures in hazardous areas
that will ensure the integrity of the
explosion-protection technique encompassing:
the purpose of a maintenance schedule;
the purpose and extent of close, sample
and periodic inspections;
the features of each explosion-protection
techniques that should be included in
a maintenance schedule;
the impact of environmental conditions on
explosion-protected equipment,
including corrosion and frequency
of maintenance;
the documentation requirements for recording
the maintenance process and
results;
the use of Standards in determining the
requirements with which the design of
explosion-protected apparatus
shall comply.
T13 Cable termination types suitable for use in
hazardous areas encompassing:
explosion protection features of cable
terminations devices.
selecting compliant cable termination
devices.
T14 Terminating cables suitable for use in
hazardous areas encompassing:
installing conduit systems, where applicable,
including seals to meet hazardous
areas requirements. (Gases only.)
terminating a cable with a barrier gland.
(Gases only.)
terminating a multipair, SWA, overall
screened, individual screened cable into
an enclosure.
testing termination/connections of installed
cables/circuits.
T15 The relationship between the documentation
held in a verification dossier and
the installed equipment
encompassing:
consistency between the location and type of
equipment with the area
classification details in the
verification dossier; and
equipment certification and any attached
conditions that relate to the
equipment as it is installed.
T16 Inspecting a hazardous area installation
encompassing:
typical processes for undertaking the
inspection of a hazardous area
installation;
requirements applicable to a given
installation; and
reporting of an inspection of a hazardous
area installation.
1.1 What are hazardous chemicals?
1.2 Who has health and safety duties in relation to
hazardous chemicals?
1.3 What is required to manage the risks associated with
hazardous chemicals?
1.4 Prohibited and restricted hazardous chemicals
1.6 Preparing a register and manifest of hazardous
chemicals
2.1 How to identify which chemicals are hazardous
2.4 Other sources of information
3.1 Decide who should do the assessment
3.2 Decide what sort of risk assessment is appropriate
3.3 Things to consider in assessing health risks
3.4 How to assess physicochemical risks
4.3 Maintaining control measures
4.4 Providing information, training, instruction and
supervision
5.2 Reviewing control measures
6.2 Emergency equipment and safety equipment
6.5 Automatic sprinkler systems
Engineering in Hazardous Areas
HAZARDOUS MATERIALS AND HAZARDOUS
WASTE MANAGEMENT
NOISE
SOCIOECONOMICS
TRANSPORTATION
UTILITIES
ENVIRONMENTAL JUSTICE
SUBSISTENCE
Mercury in the
Environment
Health Hazards
MINE HEALTH AND SAFETY ACT
PIPELINE SAFETY
REGULATIONS