As part of Queensland’s Road Safety Program, the Noble Road intersection was upgraded to improve safety for turning vehicles. The project, managed by RoadTek, aimed to enhance road infrastructure while ensuring long-term environmental stability. Grassworx was engaged to provide expert revegetation solutions through hydromulching, ensuring rapid establishment of vegetation and effective erosion control along the newly upgraded roadside areas.

Client Overview
Client: RoadTek
Location: Susan River, Queensland
Service Provided: Hydromulching

The upgrade focused on improving safety along the Maryborough–Hervey Bay Road corridor, including the Noble Road, Stockman Way, and Sunnyside Drive intersections. The installation of dedicated turning lanes was a key feature of the project, designed to separate through and turning traffic and reduce the likelihood of rear-end collisions. With significant earthworks involved, a fast and reliable revegetation strategy was required to stabilise the soil and prevent erosion.

The project presented several key challenges, including:

• Exposed roadside batters susceptible to erosion due to wind and rainfall.
• The need for a rapid revegetation solution to mitigate soil loss before heavy weather events.
• Ensuring even distribution of seed, mulch, and fertiliser for optimal vegetation establishment.
• Working within the constraints of a high-traffic environment with minimal disruption to road users.

To address these challenges, RoadTek required a trusted contractor with experience in large-scale roadside revegetation projects. Grassworx was selected for its expertise in hydromulching and erosion control solutions tailored to Queensland’s diverse landscapes.

Grassworx was the ideal choice for this project due to our:

• Proven experience in roadside revegetation projects across Queensland.
• Expertise in hydromulching and soil stabilisation techniques.
• Ability to deliver cost-effective, high-performance revegetation solutions under tight project timelines.
• Use of advanced hydromulching equipment capable of even seed distribution over large and sloping areas.

The Solution

Grassworx implemented a hydromulching approach to ensure rapid seed germination and erosion control. This method involved applying a specially formulated slurry containing water, organic mulch, seed, fertiliser, soil conditioners, and binders via a high-pressure, truck-mounted system. The process ensured:

• A uniform application that maximised seed-to-soil contact.
• Immediate soil protection against erosion.
• Enhanced moisture retention to support germination and early plant growth.
• A tailored seed mix designed for the specific roadside conditions at Susan River.

Process Overview:

Site Preparation: The surface was prepared to ensure optimal seed adhesion and nutrient absorption.
Hydromulching Application: The slurry mixture was evenly applied using a directional monitor and extension hoses to reach difficult areas.
Erosion Control & Moisture Retention: The mulch formed a protective layer, preventing soil displacement and retaining moisture for seed establishment.
Growth Monitoring: Post-application monitoring ensured successful germination and early vegetation development.

• Rapid germination and successful vegetation establishment across all treated areas.
• Significant reduction in erosion risk, ensuring long-term soil stability.
• Uniform coverage with high seed strike rates.
• Minimal disruption to road construction timelines, keeping the project on track.

Conclusion

The Noble Road intersection upgrade required a fast, effective, and sustainable revegetation strategy. Grassworx delivered a hydromulching solution that not only stabilised the roadside batters but also ensured long-term vegetation success. By leveraging advanced hydromulching techniques, we provided RoadTek with a cost-effective, environmentally sound erosion control solution that met all project requirements.

Looking for a Proven Erosion Control Partner?
Grassworx specialises in hydromulching, soil amelioration, and revegetation for infrastructure projects across Queensland. Contact us today to discuss your project needs and discover how we can help protect and restore your land.