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Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination. The Layered Gallery in London, England by Gianni Botsford Architects LtdApril 4th, 2018 by Sumit Singhal
Article source: Gianni Botsford Architects Ltd The Layered Gallery, located in central London, houses a private collection of photographs, prints, pastels and lithographs. The five storey Grade II listed building it is extended from dates from 1770. The aim of client and architect has been to create an enclosed courtyard structure that provides a retreat and place to contemplate art. This has been achieved by adding a new elevation to the building both substantial and sufficiently light to bring life into what is now a garden‐like inner court.  Image Courtesy © Gianni Botsford Architects Ltd
 Image Courtesy © Gianni Botsford Architects Ltd To achieve this, Gianni Botsford Architects has designed a sequence of screens creating a layered effect. The first, outer screen is purely structural and made of Corten, or ‘weathering’ steel. The second is a Corten-framed glazed screen. Inside, a further layered effect is achieved through red blinds protecting the collection of artworks and the hanging of Corten screens on rails used for storing and viewing the collection. The openings within the two outer screens create a filigree elevation reinforcing the relationship between interior and exterior spaces. This is emphasised further by planting growing up within the Corten structure.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd Inside, finishes are robust in much the same way as warehouses or stores that have been converted into art galleries. On the ground floor, an existing exposed brick wall is contrasted with a Corten cabinet designed by Gianni Botsford Architects.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd The cabinet introduces an element of uncertainty within the space: it conceals a folding WC. A homage to the traditional outside lavatory, or a play, perhaps on Duchamp’s “Fountain”, this gesture adds a sense of surprise and transformation.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd On the lower ground level, the architects have placed an outdoor kitchen and, on the first floor, a viewing bench in a sun trap within the Gallery itself. Museum quality UV-treated glazing has been used throughout to protect the collection from excessive light. However, the architects have been at pains to avoid the hermetic effects that can result from an environment designed purely to protect and conserve its contents. The filigree quality of the screens is a key component in this approach.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd Another theme Gianni Botsford Architects have embraced is that of the ephemeral. The naturally rusting Corten surfaces achieve this, for example, by evoking the notion of ageing though time. The architects liken the building to a tree, because its structure has two load‐bearing columns in the centre with lighter membranes branching out. Trees, of course, are layered structures that shift with changes in weather as does the Layered Gallery with the variation of light and reflections on its glass panels.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd Description of structure and materials by Toby Maclean ENTUITIVE The gallery building is fabricated from weathering steel, an alloy of steel that forms a stable oxide surface unlike typical steel from which the rust flakes off. The entire dendritic façade of the gallery is supported by the weathering steel frame made from flat stiffened plates branching out over the three‐storey structure and supported off just two 120mm x 12mm steel posts with a stiffening rib on the rear face. Unusually however, and in a reversal of the usual structural hierarchy, the façade is also the main structural frame of the gallery and supports all the floors and roof, as well as providing stability.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd The 25 or so steel members in the façade are made up of a family of just three sizes; 120mm, 100mm and 70mm – all fabricated from flat plate and selected for each member subject to the load path and the forces that the member is subject to. The numerous connections (45+) were carefully coordinated and detailed to conceal the bolts. Because the façade is the structural frame and therefore outside the building envelope, the floor beams that connect to the façade are detailed with a thermal break in them at the glazing line. In effect the main floor beam stops at the glazing line and is supported off weathering steel plates cantilevered from the façade members.  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd  Image Courtesy © Gianni Botsford Architects Ltd
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