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Brunel Building, North Wharf Road

Project data

Location: London, United Kingdom

Purpose: 15-storey office development


The customer required an architectural concrete finish on the building's three cores.



Customer's benefit

Blemish-free finish on cores

Flexible tie-hole positioning accommodated ACS design


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PERI solution

As the architectural finish was a top priority, all core walls were formed ahead of the slab work via a jump-form sequence.

Alongside our team in Germany, we designed an ACS-P system according to the requirements of each core.

As all anchor points are installed on the internal walls of the core, we were able to eliminate penetration marks on all exposed faces. Compared to other means of climbing, ACS’s large bracket spacing and fewer tie points also help to create a blemish-free finish.

We employed 53 ACS cylinders to raise all climbing units across the three structures. By achieving the required climbing capacity, each casting section could be concreted in a single pour.

We worked alongside the customer and architect to develop a solution that was structurally sound and architecturally pleasing. In total, 2,394m² of custom shutters and 280 m of ACS platforms were required within a short lead-time.

Thanks to VARIO’s freely selected joint formation and flexible tie-hole positioning, girders were arranged to accommodate the ACS design in order to avoid clashes between ties and anchors.

Custom double-layer plywood was then applied to prevent unwanted blemishes and any unwanted fixation markings on the surface.

To achieve a continuous plywood pattern across right-angled corners and between changes in pour heights, our fabrication worked rigorously to ensure all plywood joints matched the architect’s design.