Three awards of excellence at CTBUH 2021

Kicking 2021 off to a great start! Three Robert Bird Group projects have been recognised as an ‘Award of Excellence’ winner in multiple categories at the Council on Tall Buildings and Urban Habitat – CTBUH Awards Program 2021.

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21 Moorfields (London)

Exciting times at 21 Moorfields as the final piece of lightweight concrete is cast onto the roof of the 17 storey 16,000T steel frame on 9th September 2021. Developed by Landsec with Structural, Civil, Geotechnical and Construction Engineering design by Robert Bird Group, the building will provide ~600,000sqft of premium office space, and is due for shell and core completion by Sir Robert McAlpine in 2022. The building is located directly over London Underground’s Moorgate Station platforms, Crossrail’s running lines, and the Moorgate Station Entrance to Crossrail’s Liverpool Street Station.

Maintaining station operations throughout construction was imperative, and the complex underground constraints left little space for foundations. Robert Bird’s solution for a 60m span ‘bridge’ building is founded on 70m long large diameter monopiles located within negotiated back of house station areas. Foundations were piled within steel sleeves through the station from a bespoke piling grillage sat on the station roof. This method enabled the station to remain fully operational with very little noise or disruption from the construction process.

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