healthcare build & design special report
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BUILDING PROJECTS
to a particular patient need, such as chemotherapy, radiotherapy or the one-stop clinic, and with its own distinct identity. Breaking the building up into two-, three- or four- storey chunks is intended to introduce a human scale, making orientation easier. Each village centres on a ‘square’, a non clinical space including a planted external balcony and infor- mal seating and relaxation areas for patients. Most of the building’s structural and non-structural
elements are being fabricated off-site, including the main structural external shear walls, known as “twin walls”, which are delivered to site pre-installed with insulation and precast concrete with a high quality concrete finish. Engineering Excellence Group, Laing O’Rourke’s in-house
team of experts set up to innovate new construction method- ologies, developed several structures for the hospital including the E6 floor slab, which comes to site pre-installed with reinforcement, requiring no in situ concrete pours. In addition, a 12-storey steel frame plant tower, located on the back of building, is being assembled in sections off-site pre- installed with all the services. The finished building will feature a large amount of exposed
concrete, making pre-cast the ideal solution for a quality finish. “This building is comparable to “Lego” construction and the innovation was in resolving very complex structural concrete details at the joints between different components,” said Leonardo Pelleriti at RSHP. Off-site modular construction has been criticised in the
past for limiting the creative options available to architects. But recent hospital projects completed using DfMA challenge the traditional notion that pre-fabrication must stand for bland repetition and monotony. Alderhey in the Park is geometrically very complex,
featuring numerous curved walls and flowing green roofs that cascade down toward the park like waves on a beach. BDP wanted the building to appear as if it had emerged
from the ground and designed the facades to mimic the rock strata that can be seen in the train tunnels when entering Liverpool Lime Street station. To create this effect, Explore Industrial Park, Laing O’Rourke’s manufacturing facility in Steetley, Nottinghamshire, used just three different concrete moulds, set in different orientations to create 1,200 different panels in four shades of sandstone red. Only 18 facade panels across the entire project are identical. “BDP found it a hugely enjoyable process looking at the
differences of texture that can be achieved with a limited num- ber of moulds, and how spinning or flipping them, you get what appears to be a random pattern, but retain the efficiency of a repeating design,” says McArthur at Laing O’Rourke. “The architects we work with are not interested in people trying to constrain their creativity, they want hospital buildings to have Continued overleaf...
‘This building is comparable to ‘Lego’
construction and the innovation was in resolving very complex structural concrete details at the joints between different
components’ Leonardo Pelleriti, RSHP
Pictured: Aerial of Guys Hospital, December 2014
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