African construction leaders convene to advance digital innovation and circular building practices

In Kumasi, Ghana, construction professionals from across Africa gathered for a two-day workshop to confront a problem that grows more urgent each year: how to build sustainably while cities expand faster than infrastructure can support them. The Technology Consulting Center at Kwame Nkrumah University of Science and Technology, working with the German Academic Exchange Service, brought together architects, engineers, quantity surveyors, academics, local government officials, and students to explore digital tools and circular construction methods that might reshape how the continent builds.

The workshop, titled "Digital Pathways for Circular Construction: Alumni-Led Solutions for Resilient Communities in Africa," was funded by DAAD with backing from Germany's Federal Ministry for Economic Cooperation and Development. The gathering reflected a specific conviction: that Africa's rapid urbanization and infrastructure demands cannot be met through conventional construction alone. The continent's cities are growing at a pace that strains existing resources, institutions, and land. The questions posed at the workshop—how we build, what materials we use, and who benefits from construction—sit at the center of Africa's development challenge.

Professor David Asamoah, Pro Vice-Chancellor of KNUST, framed the workshop as an expression of the university's commitment to generating knowledge that serves practical needs. He emphasized that sustainable construction is no longer a peripheral concern but central to how Africa addresses its infrastructure deficit. The construction sector itself is resource-intensive and generates substantial waste, yet it also holds significant potential for innovation. Building information modeling, material passports, lifecycle assessment tools, and the reintegration of natural and locally sourced materials into modern construction represent concrete pathways toward change.

Felix Barnes, representing the DAAD Regional Office in Accra, highlighted the value of sustaining networks built through academic exchange. The workshop created space for DAAD alumni from Ghana, other African nations, and Germany to collaborate on approaches that prioritize sustainability, resilience, and inclusion. He noted that the strength of such networks lies in their ability to connect professionals and researchers across regions and disciplines who might otherwise never work together. This cross-pollination of expertise and perspective is itself a form of innovation.

Professor Alexander Boakye Marful, Director of Business Development and Sustainability at TCC-CIMET, articulated the core premise driving the initiative: that Africa's urbanization and infrastructure demands can only be met sustainably if digital innovation and circular construction thinking are placed directly into the hands of those building cities. The workshop was not theoretical. It brought together people with the authority and expertise to implement change—industry leaders, government planners, and emerging professionals—in a single space to exchange knowledge and begin forming partnerships.

The timing reflects an accelerating reality. Africa's cities are growing, and the decisions made now about how to build will shape the continent's environmental footprint and resource security for decades. The workshop represents an attempt to ensure that digital tools and circular practices are not imported as afterthoughts but embedded into construction from the start. Whether these networks and innovations translate into systemic change across the construction sector remains to be seen, but the gathering itself signals that the conversation is moving from academic margins toward industry centers.