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Plan the layout for a residential sanitary drainage system

Unit Descriptor This unit specifies the competency required to plan the layout for sanitary drainage systems for residential buildings Work associated with this unit is undertaken within the plumbing and services sector in accordance with relevant Australian standards and local statutory codes. It has application to the sanitary stream.

1 . Prepare for work
  1. Information and plans/specifications are obtained

  2. OH&S requirements associated with planning the layout for sanitary drainage systems, and the workplace environment, are adhered to throughout the work

  3. Quality assurance requirements are identified and adhered to in accordance with workplace requirements

  4. Tasks are planned and sequenced in conjunction with others involved in or affected by the work

  5. Tools and equipment, including personal safety equipment, are selected and checked for serviceability

  6. Work area is prepared to support the efficient planning of sanitary drainage systems layouts

2 . Plan the system layout

  1. Site inspection is undertaken to determine job requirements

  2. Quantity, location and type of fixtures is determined from design drawings, plans and elevations

  3. Layout of the sanitary drainage system is planned in accordance with the plans and standards

  4. Materials and fixtures required are determined from the proposed design

  5. Plans are recorded in accordance with workplace requirements

3 . Clean up

  1. Work area is cleared and materials disposed of or recycled in accordance with State or Territory legislation and workplace procedures

  2. Tools and equipment are cleaned, checked, maintained and stored in accordance with manufacturers' recommendations and workplace procedures

  3. Documentation is completed in accordance with workplace requirements

Key CompetencyExamples of ApplicationPerformance
How can information be collected, analysed and organised?Communicate ideas and information in simple English to enable confirmation of work requirements, passage of information and requests to other workers during operations and the reporting and recording of work outcomes1
How are ideas and information communicated within this competency?Collect, organise, interpret and understand the information required to planning the layout for a sanitary drainage system, including work instructions, manufacturers' instructions, material safety data sheets, drawings and sketches and equipment instructions2
How are activities planned and organised?Plan and organise activities associated with planning the layout for a sanitary drainage system, including the scheduling of a site visit where required2
How are problem solving skills applied?Work with others and in a team by recognising dependencies and using co-operative approaches to optimise satisfaction and productivity1
How are mathematical ideas and techniques used?Use mathematical ideas and techniques to collate applicable data, complete measurements and calculations, calculate levels, distances, material requirements and establish accuracy checks used in relation to the planning the layout for a sanitary drainage system1
How is use of technology applied?Establish safe and effective work processes which anticipate likely problems and blockages and systematically work around these to avoid or minimise reworking and avoid wastage2
How is team work used within this competency?Use workplace technology related to planning the layout for a sanitary drainage system, including the use of calculators, tools and drawing/design equipment (including CAD) and the reporting/recording of results1

Range Statement

Unit scope

Safety (OH&S)

Environmental Requirements

Quality Assurance

Statutory/Regulatory Authorities




Evidence Guide

Critical aspects of evidence required to demonstrate competency in this unit

Relationship to other units

Specific knowledge required to achieve the performance criteria

The context of assessment

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