Unit of competency Outline
Date retreived
22/07/2026 6:08 PM AWST
22/07/2026 6:08 PM AWST
Whilst all efforts are made to provide accurate and timely information from the relevant source/documentation, please be aware that the information supplied may not be the most current version. The accuracy of the detail has not been confirmed by the Department and therefore should not be relied upon without first confirming the contents.
Install de-watering conduit and gas drainage equipment
Install de-watering conduit and gas drainage equipment
Unit of competency
National Code
RIINHB319A
RIINHB319A
State Code
WB682
WB682
TGA Status
Replaced
Replaced
DTWD Status
Replaced
Replaced
State Implementation and Classification
Approved Date
21/01/2011
Field of Education
030907 - Water And Sanitary Engineering
Original Release Date
21/01/2011
Nominal Hours
40
Description
This unit covers the installation of de-watering conduit and gas drainage equipment in the coal mining industry. It includes planning and preparing for installation of de-watering conduit and gas drainage equipment; installing de-watering conduit and monitoring water drainage; connecting gas drainage equipment and monitoring gas drainage; and maintaining equipment and housekeeping.
Notes
Elements and Performance Criteria
1. Plan and prepare for installation of de-watering conduit and gas drainage equipment
- 1.1. Access, interpret and apply compliance documentation relevant to the work activity
- 1.2. Access, clarify and apply the specific task requirements for the installation and operation of water and gas control equipment
- 1.3. Identify workplace hazards, assess, maintain control and report associated risks in accordance with required procedures
- 1.4. Resolve coordination requirements with others at the site prior to commencing and during work activities for the safe effective and efficient execution of the work
- 1.5. Prepare the de-watering conduit installation plan in consultation with the site gas drainage official and in accordance with appropriate site management plans
2. Install de-watering conduit and monitor water drainage
- 2.1. Insert hollow rods into the hole in accordance with the de-watering conduit installation plan
- 2.2. Attach non-return valve and anchor onto the de-watering conduit in accordance with the installation plan
- 2.3. Perforate the conduit at the appropriate locations to allow ingress of water in accordance with the installation plan
- 2.4. Install the de-watering conduit into hollow rod to the required distance in accordance with the installation plan
- 2.5. Identify and remedy operational problems
- 2.6. Remove hollow rods leaving conduit in place
- 2.7. Connect conduit to de-watering system and commence removing water via the water trap in accordance with mine-site procedures
- 2.8. Empty water trap as required by mine-site procedures
- 2.9. Disconnect de-watering equipment from the de-watering conduit when all water has been removed
- 2.10. Monitor, record and interpret all pressure and flow readings in accordance with mine-site requirements
- 2.11. Maintain communication with all relevant personnel
3. Connect gas drainage equipment and monitor gas drainage
- 3.1. Select and install appropriate gas drainage equipment in accordance with the site gas management plan
- 3.2. Select and use appropriate measuring equipment to monitor gas drainage in accordance with the site gas management plan
- 3.3. Correctly identify and tag gas drainage and monitoring units identifying the number, length and diameter of the hole
4. Maintain equipment and housekeeping
- 4.1. Ensure that the drill rods are inspected for wear and damage and that threads are dressed and greased in accordance with standard procedures or that rods are replace as required
- 4.2. Monitor all drill equipment and hoses and ancillary equipment and carryout remedial action
- 4.3. Apply health, safety and environmental controls
- 4.4. Maintain safe and tidy site for the duration and at the conclusion of the job
- 4.5. Ensure all drilling equipment is cleaned and maintained
The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Relevant compliance documentation
may include:
legislative, organisational and site requirements and procedures
manufacturer's guidelines and specifications
Australian standards
code of practice
Employment and workplace relations legislation
Equal Employment Opportunity and Disability Discrimination legislation
Specific task requirements may include:
nature and scope of tasks,
specifications
quality of finished works
achievement targets
operational conditions
obtaining of permits required
site layout
out of bounds areas
worksite inspection requirements
lighting conditions
plant or equipment defects
hazards and potential hazards
coordination requirements or issues
contamination control requirements
environmental control requirements
barricade and signage requirements
Workplace hazards may include:
mining equipment
roof and rib spalls
the presence of gases and water
Coordination requirements may include:
gas drainage official
drill rig team
operators of other equipment
maintenance personnel
supervisors
mine personnel
De-watering conduit installation plan may include:
size and length of the hollow rods
size and length of the conduit
anchor and non-return valve type, location and connection requirements
dewatering locations and perforation requirements
Operational problems may include:
changing geological formations, particularly clay, rock or unstable or porous formations
loss of air or water volume or pressure
equipment failure
bogging or parting of rod string
reliability of communications
Relevant personnel may include:
drill crew members
mine staff and supervisors
site safety personnel
statutory persons
Ancillary equipment may include:
pumps
water disposal lines and
ventilation equipment
Remedial action may include:
clear or remove obstructions
replace damaged hoses
top-up lubricants
Relevant compliance documentation
may include:
legislative, organisational and site requirements and procedures
manufacturer's guidelines and specifications
Australian standards
code of practice
Employment and workplace relations legislation
Equal Employment Opportunity and Disability Discrimination legislation
Specific task requirements may include:
nature and scope of tasks,
specifications
quality of finished works
achievement targets
operational conditions
obtaining of permits required
site layout
out of bounds areas
worksite inspection requirements
lighting conditions
plant or equipment defects
hazards and potential hazards
coordination requirements or issues
contamination control requirements
environmental control requirements
barricade and signage requirements
Workplace hazards may include:
mining equipment
roof and rib spalls
the presence of gases and water
Coordination requirements may include:
gas drainage official
drill rig team
operators of other equipment
maintenance personnel
supervisors
mine personnel
De-watering conduit installation plan may include:
size and length of the hollow rods
size and length of the conduit
anchor and non-return valve type, location and connection requirements
dewatering locations and perforation requirements
Operational problems may include:
changing geological formations, particularly clay, rock or unstable or porous formations
loss of air or water volume or pressure
equipment failure
bogging or parting of rod string
reliability of communications
Relevant personnel may include:
drill crew members
mine staff and supervisors
site safety personnel
statutory persons
Ancillary equipment may include:
pumps
water disposal lines and
ventilation equipment
Remedial action may include:
clear or remove obstructions
replace damaged hoses
top-up lubricants
The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, required skills and knowledge, range statement and the Assessment Guidelines for the Training Package.
Overview of assessment
Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to worksite operations and satisfy all of the requirements of the performance criteria, required skills and knowledge and the range statement of this unit and include evidence of the following:
knowledge of the requirements, procedures and instructions for the installation of de-watering conduit and gas drainage equipment
implementation of requirements, procedures and techniques for the safe, effective and efficient completion of the installation of de-watering conduit and gas drainage equipment
working with others to undertake and complete the installation of de-watering conduit and gas drainage equipment that meets all of the required outcomes
consistent timely completion of the installation of de-watering conduit and gas drainage equipment that safely, effectively and efficiently meets the required outcomes
Context of and specific resources for assessment
This unit must be assessed in the context of the work environment. Where personal safety or environmental damage are limiting factors, assessment may occur in a simulated environment provided it is realistic and sufficiently rigorous to cover all aspects of workplace performance, including task skills, task management skills, contingency management skills and job role environment skills.
The assessment environment should not disadvantage the participant. For example, language, literacy and numeracy demands of assessment should not be greater than those required on the job.
Customisation of assessment and delivery environment to sensitively accommodate cultural diversity.
Aboriginal people and other people from a non English speaking background may have second language issues.
Assessment of this competency requires typical resources normally used in the work environment. Selection and use of resources for particular worksites may differ due to site circumstances.
Where applicable, physical resources should include equipment modified for people with disabilities.
Access must be provided to appropriate learning and/or assessment support when required.
Method of assessment
This unit may be assessed in a holistic way with other units of competency. The assessment strategy for this unit must verify required knowledge and skill and practical application using more than one of the following assessment methods:
written and/or oral assessment of the candidate's required knowledge
observed, documented and/or first hand testimonial evidence of the candidate's:
implementation of appropriate requirement, procedures and techniques for the safe, effective and efficient achievement of required outcomes
consistently achieving the required outcomes
first hand testimonial evidence of the candidate's:
working with others to undertake and complete the installation of de-watering conduit and gas drainage equipment
Guidance information for assessment
Consult the SkillsDMC User Guide for further information on assessment including access and equity issues.
Overview of assessment
Critical aspects for assessment and evidence required to demonstrate competency in this unit
The evidence required to demonstrate competency in this unit must be relevant to worksite operations and satisfy all of the requirements of the performance criteria, required skills and knowledge and the range statement of this unit and include evidence of the following:
knowledge of the requirements, procedures and instructions for the installation of de-watering conduit and gas drainage equipment
implementation of requirements, procedures and techniques for the safe, effective and efficient completion of the installation of de-watering conduit and gas drainage equipment
working with others to undertake and complete the installation of de-watering conduit and gas drainage equipment that meets all of the required outcomes
consistent timely completion of the installation of de-watering conduit and gas drainage equipment that safely, effectively and efficiently meets the required outcomes
Context of and specific resources for assessment
This unit must be assessed in the context of the work environment. Where personal safety or environmental damage are limiting factors, assessment may occur in a simulated environment provided it is realistic and sufficiently rigorous to cover all aspects of workplace performance, including task skills, task management skills, contingency management skills and job role environment skills.
The assessment environment should not disadvantage the participant. For example, language, literacy and numeracy demands of assessment should not be greater than those required on the job.
Customisation of assessment and delivery environment to sensitively accommodate cultural diversity.
Aboriginal people and other people from a non English speaking background may have second language issues.
Assessment of this competency requires typical resources normally used in the work environment. Selection and use of resources for particular worksites may differ due to site circumstances.
Where applicable, physical resources should include equipment modified for people with disabilities.
Access must be provided to appropriate learning and/or assessment support when required.
Method of assessment
This unit may be assessed in a holistic way with other units of competency. The assessment strategy for this unit must verify required knowledge and skill and practical application using more than one of the following assessment methods:
written and/or oral assessment of the candidate's required knowledge
observed, documented and/or first hand testimonial evidence of the candidate's:
implementation of appropriate requirement, procedures and techniques for the safe, effective and efficient achievement of required outcomes
consistently achieving the required outcomes
first hand testimonial evidence of the candidate's:
working with others to undertake and complete the installation of de-watering conduit and gas drainage equipment
Guidance information for assessment
Consult the SkillsDMC User Guide for further information on assessment including access and equity issues.
Replaced By
| State Code | National Code | Title | Type |
|---|---|---|---|
| WH487 | RIINHB319D | Install de-watering conduit and gas drainage equipment | Unit of competency |