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Macau. China Railway Bridge Bureau project manager HZMB Tanguo Shun accept - when reporters interview that the completion of Jiuzhou fairway plot, three sea bridge project tenders in the largest, most complex structure in the form of tenders. The bid of a total length of 6.653 kilometers, including Jiuzhou Channel Bridge, Port-Zhuhai-Macao Bridge artificial island connections, interchange and other projects. Bridge construction area due to bad sea conditions, complex geological structure. But also because of Zhuhai Airport and near the Macau International Airport, aviation limit high main tower construction big impact. In the three and a half of construction, China Railway Bridge Bureau project department uses a self-developed transport rack one boat 'Day One' and 'Little Swan' was carried out bearing abutments and piers and girder installation. 'Equipped with the 'Day One' dozens of power, lifting equipment and anchoring positioning system, a replacement boat fleet traditional way girder, a fleet of five a month to complete, 'Days One' one day a beam , easily. 'Tan Guoshun introduced for determining the position of the pier, the project used the space measurement technology, precision satellite parameters pier bits to determine elevation, the deviation is less than 1 cm. It is understood that the construction area Jiuzhou Channel Bridge crossing the national level but also because the Chinese White Dolphin Nature Reserve â…\xA0 protected animals and make the appropriate adjustments. Chinese White Dolphin is a world's most endangered marine mammals in a class, currently only survive more than a thousand head, known as 'sea pandas.' Deputy Project Manager HZMB Chengchang Peng told reporters, in order to bridge construction to minimize its impact, in terms of design a bridge for as less white dolphins living space, this will be specifically Caps buried under the seabed, which kind of 'deep chisel the stone floors' construction method was undoubtedly the first time in the world. Tanguo Shun said, HZMB main project is expected to completed by 2017, will open to traffic the world's longest cross-sea bridge. Hong Kong-Zhuhai-Macao will be greatly shortened three travel time, 30 minutes to achieve the Hong Kong-economic circle. Currently the design life of the world generally Bridge is 100 years and 120 years HZMB and requires 8 earthquake resistant, resist 16 typhoons. Recently, the Hong Kong-Zhuhai-Macao Bridge, the British 'Guardian' named one of the 'Seven Wonders of the Modern World.' (End) edit: SN182