This unit of competency specifies the outcomes required to design, size and document the layout of components of roof drainage systems.

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; enable clear and direct communication, using questioning to identify and confirm requirements, share information, listen and understand; follow instructions; identify requirements; - use language and concepts appropriate to cultural differences; - use and interpret non-verbal communication, such as hand signals; - literacy skills to: complete workplace documentation; - read and interpret: documentation from a variety of sources; regulations, relevant Australian standards, plans, specifications and drawings; record plans; - identifying and accurately reporting to appropriate personnel any faults in tools, equipment or materials; - numeracy skills to apply measurements and calculations; - planning and organising skills to: plan 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; - 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: - accessing relevant information sources for the work activity and the processes for the calculation of catchment areas and design flows; - capacity of fabrication machinery involved in the production of roof draining components; - Australian standards applicable to roof drainage; - capillary action, thermal expansion and fabrication techniques to prevent leaking; - characteristics of various metals and finishes; - computers and computer-aided design (CAD) software; - corrosion prevention treatment requirements of cut sheets; - design concepts and performance measures for various roof draining components for all types of roofs; - electrolysis and problems associated with the use of dissimilar metals; - implications of climate variations for the design of roof draining components; - job safety analysis (JSA) and safe work method statements (SWMS); - levelling and alignment processes; - process of planning, sizing and documenting the layout of roof drainage systems; - relevant statutory requirements related to planning, sizing and documenting the layout of roof drainage systems; - SI system of measurements, 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.

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