Stormwater Detention: Bunnings

New Bunnings Warehouse project in Victoria

Drainwell DW1592 Drainage Cells were the preferred option used for an On Site Storm Water Detention Tank (OSD) at a new Bunnings Warehouse project in Victoria. The site required a 500m³ OSD tank to meet WSUD requirements. Storm Water flows into the tank and is then discharged into the council stormwater system at a reduced flow rate. To maximise the land usage it was necessary to install the tank underneath the busy car park area. The Drainwell OSD tank system footprint was 54m long x 8m wide. A 95% Standard Proctor density compaction was required before the asphalt pavement layer was placed above the tank.

The Drainwell Underground Cell Storm Water Tank system is manufactured in Australia utilising 100% recycled materials. Novaplas, Australian manufacturer of the Drainwell system, is committed to providing sustainable solutions working together with Engineers and Contractors to effectively embrace Water Sensitive Urban Design (WSUD) requirements.


Drainwell Cells are Trafficable
Low-cost Drainage System
Easily Adapted to Projects
Eliminates Open Stormwater Sumps
Lightweight Construction

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