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Elements and Performance Criteria

  1. Plan and prepare
  2. Excavate portal shape
  3. Support excavation and form portal surrounds
  4. Install ground support
  5. Clean up

Required Skills

Required skills

Specific skills are required to achieve the Performance Criteria of this unit particularly for its application in the various circumstances in which this unit may be used This includes the ability to carry out the following as required to construct portals

apply legislative organisation and site requirements and procedures for constructing portals

interpret engineering drawings and sketches

use plant tools and equipment

install portals

organise work tasks

Required knowledge

Specific knowledge is required to achieve the Performance Criteria of this unit particularly for its application in the various circumstances in which this unit may be used This includes knowledge of the following as required to construct portals

the types and purposes of portals

basic principles of soil technology for civil works

the principles of ground support

the types functions characteristics and limitations of excavation ground support systems

the types functions characteristics and limitations of finishing ground support systems

ground support systems installation techniques

types characteristics uses and limitations of drilling equipment

site and equipment safety requirements

operational maintenance and basic diagnostic procedures

site isolation and traffic control responsibilities and authorities

materials safety data sheets and materials handling methods

project quality requirements

civil construction terminology

portal installation methods

JSAssafe work method statement

Evidence Required

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 constructing portals

implementation of requirements procedures and techniques for the safe effective and efficient completion of portal construction

working with others to undertake and complete the construction of portals that meets all of the required outcomes

consistent timely completion of portal construction that safely effectively and efficiently meets the required outcomes

the construction of a portal using an excavation ground support system

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

Assessment of this competency requires typical resources normally used in a resources and infrastructure sector environment Selection and use of resources for particular worksites may differ due to the site circumstances

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

Where applicable physical resources should include equipment modified for people with disabilities Access must be provided to appropriate learning andor 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 andor oral assessment of the candidates required knowledge

observed documented andor first hand testimonial evidence of the candidates

implementation of appropriate requirement procedures and techniques for the safe effective and efficient achievement of required outcomes

consistent achievement of required outcomes

first hand testimonial evidence of the candidates

working with others to undertake and complete the construction of portals

Guidance information for assessment

Consult the SkillsDMC User Guide for further information on assessment including access and equity issues


Range Statement

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

Environmental Protection Agency (EPA) requirements

Australian standards

Employment and workplace relations legislation

Equal Employment Opportunity and Disability Discrimination legislation

Safety requirements may include:

OHS requirements in accordance with state or territory legislation and regulations, organisational safety policies and procedures, and project safety plan, including protective clothing and equipment, use of tools and equipment, workplace environment and safety, handling of materials, use of fire fighting equipment, use of First Aid equipment, hazard control and hazardous materials and substances

safe parking practices including ensuring access ways are clear, equipment/machinery is away from overhangs and refuelling sites, safe distance are kept from excavations, and areas secured from unauthorised access or movement

safe operating procedures including recognising and preventing hazards associated with uneven/unstable terrain, trees, pits, poles, trip hazards, dirt mounds, overhead service lines, bridges, surrounding buildings, obstructions, structures, facilities, dangerous materials, recently filled trenches, other machines, personnel, traffic control, working in proximity to others, worksite visitors and the public

recognising hazards and risks including uneven/unstable terrain, trees, fires, overhead and underground services, bridges, buildings, excavations, traffic, embankments, cuttings, structures and hazardous materials

emergency procedures related to equipment operation including emergency shutdown and stopping, extinguishing equipment fires, organisational First Aid requirements and evacuation

Tools and equipment may include:

hand tools

excavation tools

installation and drilling equipment relevant to the selected ground support system

Environmental protection requirements may include:

organisational/project environmental management plan

waste management

water quality protection

noise

vibration

dust and clean-up management

Ground support may include:

ground support prior to excavation, such as:

rock anchors

rock bolts

soil nails

spialling bars

cable anchors

canopy tubes

steel sets

ground support to finish portal surrounds, such as:

shotcrete

masonry

stone or concrete blockwork

reinforced concrete

pre-cast concrete panels

ground cover

Maintain may include:

cleaning

authorised servicing

recording and reporting of faults

authorised minor replacements

provision of assistance to maintenance personnel during maintenance and repair activities