Digital Construction Podcast
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Which cutting-edge technologies transformed construction tracking on the Doha Expressway around 2010?

Devon Middleditch deployed four transformative technologies on the Doha Expressway Program: drones to verify ground excavation for progress payments, iPads running early augmented reality software to visualize future road layouts across sand dunes, a common data environment centralizing all consultant data with security-based access control, and templated modeling tools replacing traditional string-based CAD systems. Together, these innovations fundamentally changed how teams tracked real-time construction progress and designed infrastructure in a desert environment.

Solving real-time verification and visualization challenges

When Middleditch arrived at the Doha Expressway Program as technology architect in 2010, the team faced a critical problem: verifying that excavation work was actually happening on-site before releasing progress payments. Traditional site inspections were time-consuming and difficult across the vast desert landscape. Drones provided an aerial view that could confirm digging activity quickly and reliably.

Parallel to this, the team struggled with design communication. Engineers and stakeholders needed to visualize where roads would be constructed across sand dunes—a landscape where traditional 2D blueprints felt abstract. Augmented reality software on iPads allowed teams to overlay the planned road network onto the actual terrain in real time, making design intent instantly clear to everyone on-site. This early adoption of AR technology predated widespread commercial use by years.

Centralizing data and standardizing design workflows

Beyond hardware innovations, Middleditch implemented a common data environment where every consultant fed data into one unified database. Rather than managing dozens of separate files and versions, the entire team accessed a single source of truth. Security-based access delineation ensured each consultant saw only the data relevant to their role—architects viewed design data, contractors accessed scheduling information, and project managers monitored financials.

To support this centralized approach, the team moved away from string-based CAD solutions—proprietary, rigid, and difficult to integrate. Templated-type modeling tools provided a standardized framework that let different teams work within a consistent structure. This shift made data sharing seamless and reduced the friction of coordinating across multiple disciplines on a complex linear infrastructure project.

"If you're not a critical thinker, you're going to let problems through when given a result from the machine."

Devon Middleditch — Head of Digital Engineering and Technology at Varys. Middleditch has led digital transformation at Tier 1 firms including AECOM and held senior roles in government agencies such as Transport for New South Wales. He relocated from New Zealand to Australia early in his career and pioneered the adoption of emerging technologies—drones, augmented reality, and common data environments—on major infrastructure programs. He has scaled teams and shaped organizational culture across multiple continents and sectors.

As Middleditch discusses in the full episode, these technological investments on the Doha Expressway Program laid the groundwork for modern digital construction practices. What was experimental in 2010 has become industry standard: the podcast explores how these early implementations shaped his philosophy on leading digital-first teams.

Key takeaways

See also

What was the career-defining moment that led to Devon Middleditch's leadership in digital engineering?

Devon wrote a paper to executives outlining Engineering 2.0 and the need to scale computing technology in engineering delivery. Initially receiving no response, the paper eventually became the foundation for his leadership role in digital transformation.

What workforce composition strategy maintains culture while scaling rapidly during high workload periods?

Devon recommends a 70-30 ratio of full-time employees to contingent workforce. When you have a strong core of FTE staff, the culture is maintained and scaled effectively even during intense project phases.

How does Devon Middleditch approach leading innovation teams versus project delivery teams differently?

People inventing the future operate differently from those delivering projects and design. Innovation teams do not like controls or constraints; they need psychological safety and experimentation space to thrive.

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