assets audits

City of Banyule WSUD

Operation and Maintenance of WSUD Infrastructure

  • Assets audit
  • Sediment mapping and contamination
  • Recommendations on optimal maintenance regime

The assets audit and sediment contamination testing were carried out at four WSUD sites within Banyule Council to determine the level of contamination for different parts of the stormwater management system, assess sediment types broadly, estimate sediment extraction volumes and measure water depths.

The sediment samples in wetlands and ponds were taken at intervals of 4 - 5 metres and analysed to inform the development of the optimal method for asset cleaning with an accent on safety. The three test types conducted were:

  • EPA Screen Test - Vic EPA IWRG 621
  • TRH with Silica wash - Total Retreviable Hydrocarbons (TRH) with Silica wash, BTEXN - TO test for organic contamination not caused by rotting leaf litter
  • Heavy Metals - M17 : Extended Metals Suite

The Findings and Recommendations reports had been issued to the Council outlining the water and sediment depths, disposal volumes for cleaning, cleaning priorities and work methods and disposal and recycling options. The site work is scheduled to start in 2021.

What We've Done for Others


  • All
  • Integrated
  • Stormwater
  • Wastewater
  • Maintenance
  • Industrial
  • Guidelines
  • IPWEA WSUD Workshop

  • OPEX cost reduction
  • Melbourne Olympic Park

  • 52 mill. litres of water annually
  • Alice Smart Effluent Reuse

  • 6 mill. litres of water daily
  • City of Banyule WSUD

  • OPEX cost reduction
  • Fonterra, Darnum Drainage

  • Safety and functionality improved
  • IPWEA / DELWP IWM Workshops

  • Collaboration initiated
  • Melbourne Royal Botanic Gardens

  • Improved system performance
  • Yarra Park Sewer Mining

  • 180 mill. litres of Class A water annually
  • Port Phillip Value for Money

  • Service contracts audit
  • Water Recycling Conference 2019

  • Best practice in Integrated Water Management
  • Banyule Stormwater Harvesting

  • Optimal method of asset maintenance
  • Sunshine Golf Sewer Mining

  • Design, tendering and project management
  • Stormwater Harvesting Guidelines

  • Developing industry standard
  • Moranbah Water Study

  • Developing sustainable mining strategies
  • Melbourne Sports Precinct Tour

  • Best practice in design, operation and maintenance
  • Lafarge Holcim Audits

  • Structural audits of plant and equipment
  • Grantville Quarry Infrastructure

  • Design and implementation
  • Road Map Report

  • Stormwater treatment devices performance verification

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