Drone technology has become one of the most significant advancements in how we approach detail and contour surveys.
What once required extensive ground-based fieldwork can now be completed faster, more safely, and more cost-effectively using unmanned aerial vehicles (UAVs).
For projects across the Illawarra, Shoalhaven, and South West Sydney, drone surveying is increasingly a preferred approach for larger sites or areas where traditional methods are impractical.
What is a detail and contour survey?
A detail and contour survey gives you a complete picture of a site. The detail component captures all visible features including buildings, fences, trees, services, and surface structures. The contour component maps the shape and elevation of the land using contour lines. Together, they form the foundation for design, planning, and development decision-making, and are a standard requirement across most development and engineering projects.
How drone surveying works.
Our drone surveys use high-resolution cameras and GPS technology to capture hundreds of overlapping aerial images across a site in a single flight. These images are processed through advanced photogrammetry software to produce accurate 2D maps, 3D models, and detailed contour data. The result is a precise digital representation of the site, typically delivered in a fraction of the time compared to conventional ground survey methods.
Why it matters for your project.
The practical advantages are real and measurable.
Large or difficult-to-access sites can be surveyed in hours rather than days, which matters when your project is running to a tight programme. With the use of ground control points and GPS corrections, drone surveys routinely achieve centimetre-level accuracy, more than sufficient for the vast majority of engineering and design applications.
There’s also a genuine safety benefit. Where sites involve steep terrain, active construction zones, or other hazards, capturing data remotely removes the need to put surveyors in difficult environments. And because field time is reduced and data processing is streamlined, the overall cost is lower, particularly for large-scale surveys where traditional methods would require multiple days on site.
The data outputs go well beyond a standard plan. Deliverables can include orthophotos, digital terrain models (DTMs), point clouds, and 3D visualisations, giving your design team, engineers, and planners far richer information to work from.
Where we use drone surveying.
Drone-based detail and contour surveys are well suited to a broad range of project types, including civil engineering and infrastructure design, construction planning and progress monitoring, land development and subdivision design, environmental assessment and rehabilitation, and mining and quarry management. If your site is large, complex, or time-sensitive, it’s worth asking whether a drone survey is the right approach.
We’re here to help.
The Allen Price survey team has the equipment, expertise, and local knowledge to deliver precise, reliable results across the Illawarra and South Coast. If you’re scoping a project and want to understand whether drone surveying is suitable for your site, get in touch with our team today.
