This unit of competency specifies the outcomes required to design, size and document the layout of surface and sub-soil stormwater drainage systems up to legal points of discharge.  It covers the preparation for the planning, identification and confirmation of system specifications and requirements, the planning of the system layout and work finalisation processes, including records and documentation.

Unit details

Study level:
Vocational and further education (TAFE)
Unit code:


Assessment tasks will be designed to reinforce and extend knowledge and skill competence within set and controlled parameters in accordance with each unit's learning outcomes and performance criteria requirements, including the setting of work based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines. Students will be expected to demonstrate the following required skills: - communication skills to: access information; identify requirements, including system requirements; enable clear and direct communication, using questioning to identify and confirm requirements, share information, listen and understand; follow instructions; - use language and concepts appropriate to cultural differences; - use and interpret non-verbal communication, such as hand signals; - initiative and enterprise skills to identify and report to appropriate personnel any faults in tools, equipment or materials; - complete workplace documentation; - read and interpret: documentation from a variety of sources; plans, specifications and drawings; regulations and relevant Australian standards; record written plans and complete other relevant workplace documentation, including work backups; - numeracy skills to apply measurements and calculations; - planning and organising skills to: organise and sequence tasks with others; plan and set out work; - teamwork skills to work with others to action tasks and relate to people from a range of cultural and ethnic backgrounds and with varying physical and mental abilities; - technical skills to interpret plans and specifications to plan, size and document the layout of a surface and sub-soil stormwater drainage system, incorporating downpipes, pits, tanks and overflow discharge, and; - access and understand site-specific instructions in a variety of media; use mobile communication technology.Students will also be expected to demonstrate the following knowledge: - Australian standards applicable to stormwater drainage systems; - catchment, rainfall intensity and run-off calculations; - characteristics and application of different pipe systems, including their fittings and fixture supports and fixing and joining techniques; - design concepts and performance measures for stormwater and sub-soil drainage systems; - determining levels; - job safety analysis (JSA) and safe work method statements (SWMS); - principles of water flow and stormwater and sub-soil drainage; - process of planning, sizing and documenting the layout of stormwater and sub-soil drainage systems using relevant sources of information; - relevant statutory requirements related to planning, sizing and documenting stormwater and sub-soil drainage systems; - SI system of measurements; - stormwater installation techniques; - use of computers and relevant computer-aided design (CAD) software; - water tank installation, and; - workplace and equipment safety requirements.

Where to next?

As part of a course

This unit is studied as part of the following courses. Refer to the course page for information on how to apply for the course.

VU takes care to ensure the accuracy of this unit information, but reserves the right to change or withdraw courses offered at any time. Please check that unit information is current with the Student Contact Centre.