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Olsen Avenue road upgrade

Client: Georgiou Group
Location: Gold Coast
Site size: 2,500m2

Georgiou Group contracted NuGrow to provide long-term batter stabilisation for a road upgrade project that was taking the roadway from four to six lanes. Hydroganics delivered a superior, topsoil free solution to the originally-specified use of imported topsoil and double pass hydromulch – achieved through Hydroganics’ higher quality germination media and single-pass application. After a soil test showed an extreme pH of 4.2, Hydroganics was tailored by adding dolomite, lime and fertiliser directly to the high-grade compost. Ameliorants, a wetting agent and a tackifier were also added directly into the mix, along with the approved native seed mix (10kg/ha) and cover crop (30kg/ha). Hydroganics was applied in a single application, covering the 2,500m2 site at a rate of 100m3/ha of organics. The site quickly stabilised and native species began to germinate within three weeks. One year later, natives are flourishing.

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