This unit specifies the skills and knowledge required to undertake the hydraulic engineering design of complex sanitary plumbing and drainage installation and to prepare specifications for a range of wide-span and high-rise building applications up to 25 metres, including basement for residential, commercial and industrial buildings.

The unit requires application of technical skills and knowledge to prepare plans, specifications and operating and maintenance manuals.

In some jurisdictions, this unit of competency may form part of accreditation, licensing, legislative, regulatory or certification requirements.