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Chiswick Park

Chiswick Park - Construction

The commitment to buildability and cost-efficient construction methods of the behalf of the client and RRP benefited from a series of workshop discussions between the client, RRP, engineers and specialist contractors at the outset of the project, resulting in an innovative structural system. This process also lent a level of assurance and set benchmark quality standards for assessing the performance of contractors that was closely monitored by the project management team and RRP.

The primary structure is comprised of a concrete frame and a single steel core, with stability provided by steel bracing. The main floor plates from ground to roof level are of in-situ, post-tensioned concrete, with columns of pre-cast reinforced concrete. The core structure comprises composite steel and concrete floor plates, steel columns and steel bracing. The external steelwork is a lightweight tubular structure, in which all tube-end connections are created using sand-cast steel elements with flexible pin-connections.

The perimeter steelwork comprises tubular steel elements spanning between the main concrete frame and slender columns spaced six and nine metres away from the side and front facades respectively. This steelwork supports a number of elements including high-level aluminium anodised louvers, maintenance walkways and escape stairs suspended by high-tensioned cables tied back to the primary structure. The distinctive entrance canopy to each of the buildings is supported by twin bow-string trusses, each spanning 24 metres and centrally braced with high-tension cable-stays.

The buildings are serviced vertically through the central core which includes the provision for goods and passenger lifts, internal stair and WC s, and horizontally through the raised floor and the services zone below the concrete slabs which provide facilities for IT and electrical risers and building monitoring systems. Plant is located both on the roofs and principle services located in the undercroft areas.

    Team:

Together with Stanhope and Bovis Lend Lease, RRP formed close working relationships with key members of the extended team to develop the masterplan according to the client s brief and achieve a high level of quality in the resolution of the design.

    Legibility:

The central public space forms the focus of the design, with each of the building's dramatic canopied entrances opening onto the gardens, and with all office floors enjoying views out over the landscape.