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650 California Street, also known as the Hartford Building, is a 34 story, 142 m, (466 feet) office tower on the northwestern edge of San Francisco's Financial District.〔 The tower is located on California Street on the edge of Chinatown, and not far from 555 California Street. 650 California is visible from every direction except from the southeast, where the Financial District skyscrapers block the view. == Description == The building was designed by Edward Charles Bassett of Skidmore, Owings & Merrill for Hartford Insurance, its initial tenant.〔(【引用サイトリンク】 publisher=Emporis )〕 It is architecturally significant, featuring a tall modernist lobby, high ceilings, and an exterior skeleton of floor-to-ceiling windows recessed into a square gridwork of precast white reinforced concrete. When this tower was completed in 1964, it was the second in San Francisco larger than .〔 It also became California's tallest building, replacing both the Russ Building in San Francisco and the Los Angeles City Hall in Los Angeles, California.〔 Later skyscrapers in both San Francisco and Los Angeles took the title of California's tallest from this building. 650 California was acquired for by the Pivotal Group in 2000, and later sold to private investors, A-650 California St. LLC, and AEW Capital Management in 2007. The tower was acquired by Tishman Speyer and partner Prudential Real Estate Investors in 2012 for about . Tishman undertook a renovation, which included a remodeled lobby by New York-based firm MdeAS Architects. Tishman sold 650 California to Columbia Property Trust Inc. in September 2014 for . 650 California Street passed the certification requirements for the Gold Level of the Leadership in Energy and Environmental Design (LEED) rating in June 2011.〔("Certified Project Directory" ), U.S. Green Building Council, Gold Level LEED-EB:OM v2009 June 2011〕 The LEED building certification system is a program for rating the design, construction and operation of environmentally and socially responsible buildings. 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「650 California Street」の詳細全文を読む スポンサード リンク
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