Free boat launching will commence at O’Sullivan Beach boat ramp from 1 November 2025 thanks to a harmful algal bloom response partnership between the City of Onkaparinga and the state government.
The following Technical Services Standard Details have been provided to assist in the preparation of documentation for Civil Engineering works within the City of Onkaparinga.
To download a PDF version for viewing or printing click on the relevant link below:
Stormwater management design guide(PDF, 661KB)
Technical Service Standard Details - cover sheet and index(PDF, 291KB)