Wood Wharf A1
Part of the Wood Wharf development for Canary Wharf Group, the 57-storey A1 tower is designed to reach approximately 210 m tall, primarily providing residential space, with the lower three floors reserved for amenities such as a gym, pool and lobby.
The site is located within the current dock, so the tower is only constrained by the new Cofferdam that forms the boundary. The Wood Wharf masterplan extends to the north and east, where the A1 extent will adjoin to the surrounding buildings. Since the A1 site is being reclaimed from the dock, the enabling contract has many technical complications including building up the original dock bed level to the new basement profile.
The substructure consists of 1.8 m diameter piles, with a higher frequency of 1.5 m diameter piles underneath the core, founded in the Thanet sands at depth. The raft is 2.5 m deep and extends beyond the retaining wall that forms part of the double-storey basement wall.
The structural concept adopted for the tower superstructure typically consists of reinforced concrete flat slabs supported by reinforced concrete blade walls and columns. The core of the tower is located centrally within the internal layout and is partially enhanced by frame action of the surrounding tower.
There are three main types of residential typologies; Loft, Cluster and Bay Window, resulting in the constant evolution of the façade geometry, as these typologies in plan offset and rotate around the building forming the distinctive geometry. A critical design consideration has been the tolerance and movement criteria that the floor slabs have been designed to meet, whilst maintaining the consistent shallow floor zone.
An evolving residential with a staggered, shifting façade in a major London development
Canary Wharf Group
Herzon & de Meuron