Barnwell House

State-of-the-art office facilities in a location rich in aerospace history

The Project

Barnwell House, a new-build open plan office space designed to house Airbus’s UK engineering teams, was recently completed. The project included the design, build and fit-out of a new four-storey office building and energy centre to accommodate 2,350 staff. The building is some 90m square and is open plan, including 4 atria. 


Building Control

At design stage it was found that the application of Part B (Fire Safety) would be too limiting for the intended scale of the building. Through extensive consultation with Oculus, a BS 9999:2008 strategy was created by the design team which among other enhancements, enabled the use of much extended travel distances resulting fewer escape stairs than was originally anticipated.


CASE STUDY
Rosenberg House

On Tuesday 31st January Her Royal Highness, The Duchess of Cornwall came to celebrate the reopening of the newly modernised almhouse, Rosenberg House. Built in 1974, connecting to an early Georgian east wing, Rosenberg House is a grade II listed building that provides homes for some of St John’s Hospitals’ elderly local residents in Bath.

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CASE STUDY
Knole - Conservation Studio

The Conservation Studio is a new facility dedicated to conserving historical objects of the Knole collection. Located in a medieval barn, the Studio has been carefully converted into a two storey building with the original pitched roof profile having been restored after a fire in 1887. The new purpose designed Studio will offer an insight into the work of conservators and their important contribution to the conservation profession. Visitors will be able to observe specialists from multiple conservation disciplines in one location, and gain insight into a world rarely seen from behind closed doors. 

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CASE STUDY
Airbus - AWIC

The new £40m Aircraft Wing Integration Centre is arranged to maximise opportunities for departments to share spaces, equipment and ideas and will provide an innovative, highly flexible and easily adaptable physical test environment that forms a proving ground for the future technologies. This includes Airbus’ Wings of tomorrow programme, part of which focuses on exploring how wings can be more efficient, lighter and easier to make and assemble, looking at the best materials to use, assembly techniques and new technologies in aerodynamics and wing architecture. Covering 9,050m2 the scheme comprises hangar facilities including a 'Strong Floor' and relocatable ‘Strong Wall’, a high capacity hydraulic system to power multiple test rigs, three overhead cranes, laboratories, testing control rooms and open plan offices. As this facility is to be used to develop new technologies it was clearly important to build in flexibility for future uses. The delivery team was involved through this period and translated the design development into physical form with the same mind-set.

The ‘Strong Floor’ itself is 40 metres long by 18 metres wide and is housed within a building over 25 metres tall to allow the testing of full size wings from the largest Airbus aircraft including long term fatigue testing. A total of 1,440 cubic metres of concrete was used for the floor which took some 23 hours to cast to a total depth of two metres. The steel reinforcement amounted to a total of approximately 280 tonnes of rebar, estimated to be around 54 km laid end-to-end.

The 'Strong Wall' is 14 metres long, 10 metres high, 4.5 metres deep and has a total weight of 220 tonnes. It is made up of four modules and can be configured in two separate two module walls or a single four module wall. The mounting surfaces are machined to a close tolerance and when erected on the strong floor all points on the flange faces are within +/-1mm of a flat vertical plane. The structure is designed to cope with billions of load cycles so resistance to fatigue is the determining factor as well as its immense strength.

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