The Halo Bridge project involved the installation of cladding to the undercroft of the road bridge by Battersea Power Station, finished in mirror polished stainless-steel panels on a bespoke support grid.
Angled in elevation and curved on plan, the acoustic sprung-loaded suspension system allows the panels to move and deflect with the weight of traffic crossing above. The judges hailed it as “a shining example of innovation”.
For Turbine Hall B, the brief was to produce a system that was functional and demountable, would form a pressure-sealed void incorporating a smoke extraction system and recreate the look of the original concrete structure acceptable to English Heritage.
Integra designed and built ceiling panels to replicate the original structure, using a GRG-clad metal support grid and curved wall abutment panels. A lightweight aluminium frame was designed to support the GRG panels. This reduced the weight of each module by 30kg, enabling a subgrid frame to be used unsupported between the existing trusses.
“The result is a spectacular ceiling, cranked to an apex, with concave wall abutment panels designed to funnel smoke to the extractors,” said the judges.
Christopher Davies, Associate Director at WilkinsonEyre, the architects responsible for the project added:
“The giant ceiling panels (1.8 x 1.8m) are one of the characteristic original features of the Grade II* Listed Turbine Hall B. We needed a very carefully controlled visual match from the underside, perfectly following the original geometry and by engineering lighter panels, there would be significant advantages for the structure and embodied carbon. Integra were able to achieve the high quality of finish and at the same time engineer an efficient lightweight system that reduced the panel weight from the original by over 80%.”
Congratulations to all members of the Integra team who were involved in this project and thank you for delivering such an outstanding project.
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