CPCPWT4022 - Commission and maintain backflow prevention devices

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, 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:
*testing and commissioning the following backflow prevention devices:

• three different double check valves
• one single (testable) check valve
• two different registered air gaps (including different orifice sizes and inlet pressures)
• three different reduced pressure zone devices
  *removing and maintaining:
• one double check valve
• one reduced pressure zone device.

Students will also be expected to demonstrate the following knowledge:
*basic hydraulics and mechanics relevant to backflow prevention devices in water services
*process of testing, commissioning and maintaining backflow prevention devices
*properties of water, including pressure and flow rates
*types of backflow prevention devices
*electrical safety
*how to access relevant information, including codes and standards
*tools, materials and equipment used to test, commission and maintain backflow prevention devices in water services
*work health and safety (WHS) requirements for testing, commissioning and maintaining backflow prevention devices in water services.