A person who demonstrates competency in this unit must be able to provide evidence of the ability to: design, size and document the layout details, including a specification, of a stormwater system for a site incorporating a high rise mixed development building and a wide span project, such as a school evaluate and document design parameters, including client, regulatory, manufacturer and relevant Australian standards and code requirements for a stormwater system evaluate health risks associated with the stormwater system collect, analyse and evaluate research, including: catchment area survey plans existing services building plans site plans civil drawings reduced levels contour levels prepare a plan coordinated with other services for the layout of piping, pits, gullies and other system components according to design parameters and site limitations calculate stormwater detention, retention and harvesting systems calculate roof catchment areas and surface run-off volumes determine specifications for guttering requirements and size of downpipes design sub-soil drainage systems, including sizing for collection, containment and discharge create detail drawings, including long sections and cross-sections create a design, including size and detail for complex stormwater and roof drainage systems, including: access chambers (manholes) grade of drains holding pits collection sumps detention, retention and harvesting systems other system components apply appropriate software in order to design, size and detail selected stormwater systems prepare plans for a range of complex stormwater and roof drainage systems prepare a specification for a complex stormwater and roof drainage system prepare a testing and commissioning schedule prepare an operation and maintenance manual apply sustainability principles and concepts throughout to achieve a star rating under the Green Building Council of Australia rating scheme. |