This unit specifies the skills and knowledge required to plan the layout of and install below ground sanitary drainage systems for sewage and waste discharge from sanitary fixtures to approved points of connection in new or existing domestic and commercial structures.
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.
The qualified trainer and assessor will provide teaching and learning materials as required in the form of workbooks produced by Victoria University and/or via the Victoria University e-learning system.
This unit is studied as part of the following course(s):