CPCPDR3021 - Plan layout and install below ground sanitary drainage systems

For Melbourne campuses

Assessment tasks will be designed to reinforce & extend knowledge and skill competence within set & controlled parameters in accordance with each unit’s learning outcomes & performance criteria requirements, incl 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:
* planning the layout and install a vented below-ground sanitary drainage system with a minimum length of 10 metres to connect a:
* bathroom group including floor waste gully with fixtures connected
* WC
* laundry trough
* kitchen sink
* soil or waste stack to a minimum of two floor levels
* The system must include inspection openings and shafts and connection to an approved point of discharge, provision for an overflow relief gully or reflux valve as required, and provision for articulation in drainage for soil movement.
* testing a sanitary drainage system
* cutting in a branch to an existing drain to connect a new WC or another fixture.

Students will also be expected to demonstrate the following knowledge:
* terminology relating to the installation of below-ground sanitary drainage systems
* principles of drainage design and working drawings conventions, symbols and abbreviations
* trench support
* how to obtain, transfer and record levels and heights
* sewerage inspection chambers
* approved materials and their characteristics and application for the installation of below-ground sanitary drainage systems
* processes, procedures and techniques for the installation of below-ground sanitary drainage systems, including testing
* how to access relevant information, including codes and Australian standards
* work health and safety (WHS) requirements for planning the layout and for installation of below-ground sanitary drainage systems.