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22 Bishopsgate is a commercial skyscraper planned for construction in London, United Kingdom. It will occupy a prominent site on Bishopsgate, in the City of London financial district, and will stand tall with 62 storeys. The project replaces an earlier plan for a tower named The Pinnacle, on which construction was started in 2008 but suspended in 2012 following the Great Recession, with only the concrete core of the first seven storeys built. The structure was later subjected to a re-design, out of which it became known by its postal address, 22 Bishopsgate.〔 Under the original plans, The Pinnacle was to become the second-tallest building in both the United Kingdom and the European Union after The Shard, also in London. The Economic Development Corporation of Saudi Arabia and its development manager, Arab Investments, were part-funding the construction in return for a majority stake in the structure. However, the build was put on hold due to a lack of additional funding and letting commitments. In 2013 it was reported that a review of the design and construction process, undertaken by original architects Kohn Pedersen Fox, agents CBRE and the developers, had been completed, with the building's "helter skelter" style exterior set to be retained.〔(【引用サイトリンク】url=http://www.building.co.uk/news/pinnacle-tower-to-keep-%E2%80%98helter-skelter%E2%80%99-design-after-review/5064546.article? )〕 In 2015, the site was sold to a consortium led by AXA Real Estate and a re-design with a simpler exterior, ultimately excluding the costly "helter skelter" shape, was submitted for public consultation before application for planning permission. ==Original plan and design== The architects of The Pinnacle were Kohn Pedersen Fox and the developer was the fund management company Union Investment. The height of the tower was initially proposed at , but this was scaled down to following concerns from the Civil Aviation Authority. The revised design included approximately of office space. The Bishopsgate Tower, as it was first called, was submitted for planning permission in June 2005 and approved in April 2006.〔(【引用サイトリンク】title=Backers in talks to save stalled City skyscraper )〕 The twisting design of its roof and the curling patterns in the façade were based on various organic forms in nature such as armadillos, mushrooms and seashells, and led to the building being nicknamed "The Helter Skelter". The upper floors were to contain restaurants and the second-largest public viewing deck in the UK, behind The Shard's. The Pinnacle's original design also provided more solar panelling than any other building in the country, with of photovoltaic cells, capable of generating up to 200 kW of electricity. It would also have had a double-layered skin like the nearby gherkin-shaped 30 St Mary Axe, allowing it to respond dynamically to climatic changes and to utilise effective climate control with low energy consumption. To control construction costs, every panel on the tower would be of exactly the same size. In August 2006 Keltbray began test-piling on site. Demolition began on the smaller of the two existing buildings in November 2006. In February 2007 it was reported that the Bishopsgate Tower had been purchased by Arab Investments, and that the structure would be renamed as The Pinnacle. In May 2007 it was announced that full funding had been secured and that The Pinnacle was likely to be built speculatively. In June 2007 demolition began on Crosby Court, the larger of the two existing buildings on the site. In August 2007 Arab Investments signed a pre-construction contract with Multiplex to build the tower.〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「22 Bishopsgate」の詳細全文を読む スポンサード リンク
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