About Us

Why Choose QDBS for Line Drilling

Line drilling requires more than placing holes close together. The quality of the outcome depends on planning, equipment selection, accurate execution and communication between everyone involved in the excavation.

Clients choose Queensland Drilling & Blasting Services because we provide:

Accurate drilling along defined excavation boundaries
Practical understanding of civil and quarry excavation requirements
Experienced drill crews and site supervision
Coordination with engineers, supervisors and excavation contractors
Drill-rig options for different project environments
Mobilisation across metropolitan, regional and remote locations
Structured maintenance and equipment-support systems
Clear communication throughout the drilling programme

Our focus is on completing the drilling safely, accurately and in a way that supports the required excavation outcome.

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Why Line Drilling Is Used

Line drilling is used to help create a defined break line in the rock, allowing excavation to occur with greater precision and less unnecessary disturbance outside the intended cut. This makes it a practical method for projects where excavation limits are tight and where overbreak can create downstream problems.

A well-executed line drilling programme can help achieve:

Cleaner rock separation
Improved excavation boundary control
Reduced overbreak
Better final wall and profile definition
Less disturbance to surrounding ground
More efficient follow-on works such as footing installation, retaining structures, trenching and service placement

On projects where the edge needs to be right, line drilling helps improve excavation quality and reduce rework.

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Our Drill Rigs & Machines For Line Drilling

Our fleet includes multiple Epiroc SmartROC surface drill rigs, specifically the SmartROC T35, T40, and T45 platforms, allowing us to deliver reliable drilling across civil, quarry, mining, and renewable energy projects.These rigs are designed for quarrying and construction environments, delivering precise drilling, high productivity, and improved blast outcomes through consistent hole quality and intelligent control systems.

Precision drilling across multiple environments

Our SmartROC T35, T40, and T45 drill rigs provide consistent drilling performance across civil construction, quarry production, mining rehabilitation, and renewable energy projects. Their advanced control systems ensure accurate collar positioning, controlled penetration rates, and consistent hole depth. Protecting blast design integrity and improving overall excavation outcomes.

Intelligent rig control and hole accuracy

SmartROC drill rigs use advanced rig control systems to monitor drilling parameters in real time, reducing operator variability and improving hole alignment and consistency. This improves fragmentation outcomes, reduces oversize material, and supports safer and more efficient blasting operations.

Scalable fleet for small and large programmes

With multiple SmartROC rigs available, we can deploy single or multi-rig drilling operations depending on project size and programme requirements. This allows us to maintain production schedules, support simultaneous project sites, and scale drilling output to meet client timelines without compromising drilling quality.

Maintained for reliability and operational uptime

All drill rigs are supported by structured preventative maintenance systems, daily inspections, and dedicated fleet management. This ensures equipment remains operational, reliable, and ready for deployment. Reducing downtime and ensuring consistent delivery across all project environments.

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Reliable Mobilisation Across Australia

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Brisbane · Gold Coast · Sunshine Coast · Cairns · Townsville · Toowoomba · Rockhampton · Gladstone · Bundaberg · Mackay · Hervey Bay · Wide Bay

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Our crews are experienced in working across metropolitan, regional and remote environments. We mobilise efficiently with the equipment, safety systems and operational planning needed to support projects across multiple states.

Whether working on infrastructure corridors, quarry sites or remote developments, we bring the same disciplined approach to drilling accuracy and blasting execution.

Line Drilling Services for Controlled Rock Excavation

Why Choose QDBS for Line Drilling

Why Line Drilling Is Used

Our Drill Rigs & Machines For Line Drilling

Precision drilling across multiple environments

Intelligent rig control and hole accuracy

Scalable fleet for small and large programmes

Maintained for reliability and operational uptime

Reliable Mobilisation Across Australia

Uptime & Maintenance Systems