Location | Sunshine Coast Airport, Marcoola Queensland Australia |
Service | Soil Erosion Control – Wind and Water |
Products | GRT: Soil-Loc, and GRT: Enviro-Binder |
Duration | October 2019 – April 2020 |
Status | Project complete and operational |
The largest Sunshine Council project ever undertaken, the Sunshine Coast airport expansion enabled visitors from international destinations to enjoy the region and to transform the economy.
The project consisted of:
The expansion works fringing environmentally sensitive mangroves and tidal swamps required delicate interaction with the natural surroundings. The airport bordered by the Coolum National Park recognized as having ‘Very High’ ecological values as habitat for endangered, vulnerable and rare species.
The level of care required in reducing the impacts of such a significantly sized civil project was successfully adopted in the control of the friable sand disturbed during groundworks and eroded by wind and rain. Sediment loading to adjacent waterways, which may impact marine life and water quality, was also closely managed during tidal surges and frequent rainfall events typical for the region. GRT, leaders in providing the most recently developed technologies, and environmentally sustainable sediment and erosion control solutions were called upon to offer an effective, economic solution, achievable within these constraints.
Global Road Technologies solution, successfully provided product for the treatment of over 600,000m2 of disturbed sand with the supply of 6,000 litres of GRT: Soil-Loc.
Challenges
1) Safe dosing into the truck without climbing up onto truck tanks or working at height
2) Adaptable to existing truck fill point
3) Pump capable of pumping up to 10litres/min
4) Product viscosity >20.5mm2/s
5) No power available at the fill point
Automation required to regulate consistent dosing into a number of water truck sizes.
GRT was able to provide a solution with the introduction of a marker dye. Following extensive testing in the GRT laboratory of a number of proprietary products designed as markers for herbicide application, a solution was provided that gave the client the ability to provide definition where GRT: Soil-Loc had been applied. Being non-cumulative, and non-toxic, the solution also met important ecological conditions by offering highly biodegradability characteristics.
Objective
The brief as communicated to GRT was to provide a cost-effective solution to contain sand-drift within the limit of works while: meeting a tight budget, complying with ecological conditions, being deployable at short notice, but above all, it must work for several months at a time. This list of constraints automatically drew focus to GRT: Soil-Loc as the ideal product.
Field Trial
Notwithstanding the rigours of environmental and budgetary constraints, the client also required a field test to be absolutely sure they were committing to the best available technologies to deal with the unique set of restraints presented with this project.
Proposal
Upon acceptance of the products ability to provide the desired outcome in addressing:
GRTs proposal was accepted in the supply of the product, supporting hardware and technical support.
Results
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