ELEMENT

PERFORMANCE CRITERIA

1. Plan and prepare

1.1. Access, interpret and apply compliance documentation relevant to the work activity

1.2. Obtain, confirm and apply work instructions, including plans, specifications, quality requirements and operational details to the allotted task

1.3. Obtain and confirm safety requirements from the site safety plan and organisational policies and procedures, and apply to the allotted task

1.4. Identify, obtain and implement signage requirements from the project traffic management plan

1.5. Select tools and equipment to carry out tasks consistent with the requirements of the job, check for serviceability and rectify or report any faults

1.6. Identify environmental protection requirements from the project environmental management plan, and confirm and apply to the allotted task

2. Set out and prepare sections

2.1. Identify and record underpinning requirements for adjoining properties and roadways from site drawings and surveys of the surrounding construction

2.2. Identify and implement sections and sequence of excavations from the planned schedule for underpinning

2.3. Check existing shoring system for soundness and conformation to specifications and design requirements

2.4. Set out sections for excavation to underpinning specifications and schedule

2.5. Identify and protect areas for excavation and surrounding working space requirements to provide a safe working area

2.6. Erect barricades and signage, where required, in accordance with the site safety plan

2.7. Position plant and equipment for excavations

3. Excavate sections

3.1. Excavate designated sections to the designed depth of footings

3.2. Install trench and excavation support in accordance with soil characteristics, safety considerations and the job safety analysis

4. Construct underpinning

4.1. Construct underpinning in accordance with job specifications

4.2. Backfill excavated sections

4.3. Underpin alternate sections in sequence according to underpinning schedule

5. Clean up

5.1. Clear work area and disposed of or recycled materials in accordance with project environmental management plan

5.2. Clean, check, maintain and store plant, tools and equipment

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 underpinnings:

apply legislative, organisation and site requirements and procedures for the construction of underpinnings

organise work activities

select and use relevant tools and equipment safely

identify and report on hazards related to the worksite and work activity

communicate effectively to receive and clarify work instructions

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 underpinnings:

site and equipment safety requirements

foundation work

civil construction terminology

underpinning techniques

construction principles

processes for interpreting engineering drawings

soil, sand, rock, clay, shale, gravel and silt types and characteristics

water erosion

equipment types, characteristics, technical capabilities and limitations

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

JSAs/safe work method statement

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 underpinnings

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

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

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

construction of underpinning for a minimum of two projects, one using drilling techniques and one using excavation techniques to the required job specifications

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 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

consistent achievement of required outcomes

first hand testimonial evidence of the candidate's:

working with others to undertake and complete the construction of underpinnings

Guidance information for assessment

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

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.

Relevantcompliance documentation may include:

legislative, organisational and site requirements and procedures

manufacturer's guidelines and specifications

Australian standards

Employment and workplace relations legislation

Equal Employment Opportunity and Disability Discrimination legislation

Safety (OHS) may include:

OHS requirements are to be in accordance with state or territory legislation and regulations, organisational safety policies and procedures, and project safety plan. This may include 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

hazards and risks may include but not be limited to uneven/unstable terrain, trees, fires, overhead and underground services, bridges, buildings, excavations, traffic, embankments, cuttings, structures and hazardous materials

emergency procedures related to this unit are to include but may not be limited to emergency shutdown and stopping, extinguishing fires, organisational First Aid requirements and evacuation

safe operating procedures are to include but not be limited to recognising and preventing hazards associated with overhead and underground services, other machines, personnel, restricted access barriers, traffic control, working at heights, working in proximity to others, worksite visitors and the public

Signage may include:

escort vehicle

highway traffic signs

site safety signage

temporary signage for the benefit of motorists and pedestrians

barricades

traffic conditions signage

Traffic may include:

congested urban environments

low traffic rural areas

off-road un-trafficked areas

buildings

parking sites

pedestrian areas

Tools and equipment may include:

compressors

fittings and hoses

pneumatic picks and jack hammers

pumps

winches

Environmental requirements may include:

organisational/project environmental management plan

waste management

water quality protection noise vibration

dust and clean-up management

Environmental requirements may include:

organisational/project environmental management plan

waste management

water quality protection noise vibration

dust and clean-up management

Underpinning requirements may include:

land subsidence due to water ingress

increase structural stability

the preparation for additions to structures

Shoring system may include:

sheet piling

trench shields

timber sets

Soil may include:

sand

rock

clay

shale

gravel

silt

Materials may include:

timber

reinforced concrete

concrete grout

select rock