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The discovery of ancient ruins unearthed in the urban centre of Cambridge triggers academic and archaeological interest in the site, local to Trinity College. In becoming an active dig site for educational excavation and public exhibition, the proposed accoya kit-of-parts building utilises a truss structural system that elevates above the historically sensitive activity; providing a transparent quality that emphasises its significance.
The design proposal acts to incorporate the public function of an exhibition hall as well as the private functions of educational archaeology teaching and ongoing excavation. This poses challenges from the urban site; being located on a primary street front while dealing with drastically differing levels throughout. The archaeological aspect of the site narrative also presents the constraint of constructing over sensitive historical materials.
In this 25-year project, the newly discovered history of Cambridge is brought to the forefront of the community, allowing visitors to step into the past.
Through simple steel bolt and plate fixings that minimise intrusive works, the prefabricated accoya frame modules are designed to be assembled and disassembled alongside the progression of the archaeological excavation.
In utilising a double skin façade system of two glazing layers separated by a large cavity, the proposal gains the visual and daylighting benefits of a glazed façade, while retaining internal environmental mediation.
The active archaeological dig site continues alongside construction and inhabitation of the elevated structure; being viewed from openings within the structure and integrated within the building’s education and exhibition programme.
The exhibition hall features the varying artefacts dug from the site and placed on display. Through glimpsed views to the excavations beneath their feet, visitors might imagine the newfound histories encased here.
The form feature of the structure takes place in the underbelly that interacts with the excavation below through an overlooking glass platform. The structural truss system deviates here to create a unique form.