Sutherland Hospital Expansion

Challenge

The NSW Transport Authority was undertaking a massive 30km highway extension project through challenging terrain in Sydney’s Northern Beaches. Traditional ground-based surveying methods would have been prohibitively expensive and time-consuming in this environment. They required comprehensive aerial mapping to support both initial design refinement and ongoing construction planning while minimizing environmental impact on sensitive coastal ecosystems.

Solution

Upload Enterprise deployed a combination of fixed-wing and multirotor drones to capture high-resolution data across the entire 30km corridor. Our technical approach included:

1. Initial comprehensive corridor mapping using fixed-wing drones for efficient coverage
2. Detailed mapping of interchange locations using multirotor drones for higher resolution data
3. Regular progress surveys throughout the 20-month construction period
4. Digital terrain modeling with 2cm accuracy to support earthwork calculations
5. Environmental monitoring of sensitive coastal areas adjacent to the construction zone
6. Integration with the authority’s GIS systems for seamless data utilization

Results

• Completed initial survey 50% faster than traditional methods
• Achieved survey accuracy of 2cm across diverse terrain conditions
• Reduced environmental impact by eliminating the need for extensive ground survey teams
• Provided accurate cut/fill volumes leading to optimized earthmoving operations
• Saved an estimated $280,000 in survey costs across the project lifetime

Conclusion

The Northern Beaches Highway Extension project showcases how advanced drone mapping technology can revolutionize large-scale infrastructure development. By providing accurate, comprehensive data more efficiently than traditional methods, Upload Enterprise enabled the NSW Transport Authority to complete this essential transportation corridor with minimized costs, optimized construction processes, and reduced environmental impact.