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Elements and Performance Criteria

1. Plan and prepare for the detailed design of subsurface drainage
   • Access, interpret and apply detailed design of subsurface drainage documentation and ensure the work activity is compliant
   • Obtain, read, interpret, clarify and confirm work requirements
   • Identify and confirm the subsurface drainage project requirements and information
   • Prepare a design plan which makes best use of the available resources
2. Undertake the detailed design of subsurface drainage
   • Interpret and analyse data and identify viable options
   • Interpret and analyse data and recommend the preferred option
   • Complete the detailed design of the subsurface drainage
   • Prepare a cost estimate for execution of the design
   • Participate in the review of design with peers and stakeholders
   • Complete required documentation
   • Monitor and coordinate the progress of other team members involved in the design process
   • Gain design approval
3. Finalise design processes of subsurface drainage
   • Ensure filing of design records is completed
   • Complete and submit design cost and other reporting
   • Participate in performance review of the design process
   • Seek client feedback and contribute to the verification of the design
   • Close out all systems
4. Support and review the application of the design of subsurface drainage
   • Provide clarification and advice to those applying the design
   • Review the application of the design and recommend changes continuous improvement
   • Contribute to the validation of the design
5. Plan and prepare for the detailed design of subsurface drainage
   • Access, interpret and apply detailed design of subsurface drainage documentation and ensure the work activity is compliant
   • Obtain, read, interpret, clarify and confirm work requirements
   • Identify and confirm the subsurface drainage project requirements and information
   • Prepare a design plan which makes best use of the available resources
6. Undertake the detailed design of subsurface drainage
   • Interpret and analyse data and identify viable options
   • Interpret and analyse data and recommend the preferred option
   • Complete the detailed design of the subsurface drainage
   • Prepare a cost estimate for execution of the design
   • Participate in the review of design with peers and stakeholders
   • Complete required documentation
   • Monitor and coordinate the progress of other team members involved in the design process
   • Gain design approval
7. Finalise design processes of subsurface drainage
   • Ensure filing of design records is completed
   • Complete and submit design cost and other reporting
   • Participate in performance review of the design process
   • Seek client feedback and contribute to the verification of the design
   • Close out all systems
8. Support and review the application of the design of subsurface drainage
   • Provide clarification and advice to those applying the design
   • Review the application of the design and recommend changes continuous improvement
   • Contribute to the validation of the design

Performance Evidence

Evidence is required to be collected that demonstrates a candidate’s competency in this unit. Evidence must be relevant to the roles within this sector’s work operations and satisfy all of the requirements of the performance criteria of this unit and include evidence that the candidate:

locates and applies applicable legislation, documentation, policies and procedures

implements the requirements, procedures and techniques for the safe, effective and efficient detailed design of subsurface drainage including:

accessing and interpreting plans, drawings, specifications and design briefs

accessing and interpreting engineering survey and geotechnical information

accessing and interpreting hydrological, meteorological, cultural and heritage data

works effectively with others to undertake and complete the detailed design and documentation of subsurface drainage that meets all of the required outcomes including:

using a range of communication techniques and equipment to convey information to others

maintaining written and verbal reporting requirements

organising work activities to meet all task requirements

communicating clearly and concisely with others to receive and clarify work instructions

demonstrates completion of detailed designs of subsurface drainage that safely, effectively and efficiently meets all of the required outcomes on more than one (1) occasion including:

interpret and apply civil concrete structures components selection data

carry out risk assessments

interpret subsurface drainage design data

identify and analyse catchments

interpret and apply rainfall and runoff data

estimate subsurface drainage design flows

solve pipe flow problems and sizing of subsurface drainage components

design storm water and sewerage drainage systems

identify appropriate construction techniques

develop and apply design plans

interpret and analyse data

complete a detailed design of subsurface drainage

prepare a cost estimate

participate in a design review

obtain design approval

complete and submit design cost

review application of design and recommending changes

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Knowledge Evidence

The candidate must demonstrate knowledge of the detailed design of subsurface drainage through:

applying legislative, organisation and site requirements and procedures for:

risk assessment and management

statutory compliance

work health and safety

applying equipment safety requirements

complying with emergency issues

complying environmental issues

quality management

verbal and written communication

Australian and other relevant standards

Industry and organisational design procedures and practice

current Industry best practice

civil concrete structures design principles

civil concrete structures options

civil concrete structures geometric requirements

subsurface drainage surfacing requirements

trench and pit shoring requirements

potential hazards, constraints and conditions

design review

design approval

documentation and reporting

record keeping

performance review

systems close out

techniques for choosing preferred options

team leadership techniques

operational techniques

subsurface drainage construction plant and equipment capabilities

cost estimation techniques

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