Water Sensitive SA

Maintenance of WSUD assets

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Maintenance of WSUD assets



Robin Allison and Jason Sonneman –  DesignFlow

Learning objective

The training will assist participants to improve knowledge and skills with respect to appropriate maintenance techniques and regimes, and associated costs to aid efficient and effect asset management.

Who should attend?

All council/contract staff responsible for the hands-on maintenance, or influencing the maintenance of WSUD assets. For example, maintenance crews, and supervisors and managers who are often from multiple departments.

Course content

  • identifying maintenance and rectification issues, including simple ways to rectify underperforming WSUD assets
  • condition assessment audits
  • planning and undertaking maintenance of sedimentation basins, bioretention swales/basins, raingardens, constructed wetlands and sedimentation ponds,  infiltration systems including permeable pavements and gross pollutant traps
  • maintenance – practical solutions and methods of performance rectification, via case studies
  • unit rates for the range of maintenance activities identified for the asset types
  • developing the case for improved maintenance regimes and associated budget
  • site visit(s)

Core competencies attained

  • Awareness of the activities required to maintain WSUD assets and typical frequency of maintenance activities, for both civil and landscape works.
  • Participants have the skills to carry out maintenance inspections of WSUD assets using supporting checklists.
  • Appreciation of the cost of maintaining WSUD assets.

Learning activities

Site visits

Delivery method

  • Presentations
  • Group and individual activities
  • Site visits

Learning resources

  • presentation slides as handout
  • checklists for construction phase and maintenance of WSUD assets
  • references

$275.00  (incl. GST) Water Sensitive SA investment partners (incl. Stormwater SA members)
$440.00  (incl. GST) Others


Presenters’ profiles

Dr Robin Allison, DesignFlow

Robin AllisonRobin is a founding Director of DesignFlow, a specialist water sensitive urban design consultancy based in in SA, Victoria and Queensland.

He has more than 20 years’ experience in stormwater management and in particular integrating WSUD into urban spaces to protect aquatic ecosystems while enhancing people’s enjoyment and appreciation of water.

He has delivered projects from streetscape scale to regional wetlands and a focus is often on retrofitting systems within constraints of existing urban areas.  All of the systems employed use vegetation as a key driver of water quality improvement and promote green infrastructure.

Jason Sonneman, DesignFlow

Jason Sonneman - DesignFlowJason is an aquatic ecologist with expertise in water resource assessment and management. He has over 14 years experience working on the ecology of marine and freshwater ecosystems, particularly urban streams and wetlands. His experience includes developing integrated approaches to urban water management and the innovative use of water sensitive urban design concepts within urban development projects at many scales. This includes the modelling of catchment runoff and the design of stormwater treatment and harvesting systems such as wetlands and bioretention systems. He has specialist skills in ecosystem assessment and management, environmental impact assessment and statistical analysis of environmental data.


The Brocas – The Warehouse
111 Woodville Road
St Clair, SA Australia
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Registration: 8:15am

26 May - 8:30am
26 May - 4:15pm
The Brocas – The Warehouse
111 Woodville Road
St Clair

Acknowledgement of Country

Water Sensitive SA acknowledges Aboriginal people as the First Peoples and Nations of the lands and waters we live and work upon, and we pay our respects to their Elders past, present and emerging. We acknowledge and respect the deep spiritual connection and the relationship that Aboriginal and Torres Strait Islander people have to Country.