[38 key projects in Tianjin were signed intensively] Recently, Tianjin City held the signing ceremony for the first phase of the key promotion projects of jointly seeking Tianjin’s development and creating a better future. The 38 projects signed this time have a total investment of more than 450 billion yuan, involving infrastructure, industrial upgrading, rural revitalization, and urban renewal. , cultural tourism, social livelihood and other fields. Editor / Zhao E

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• 2023.03.23 17:24
• [Bidding Opening for Ningbo Xiwu-Ma'aoling Expressway Expansion Project]
• On March 22, 2023, the Zhejiang Provincial Department of Transportation released the announcement of the bid evaluation results for investors in the reconstruction and expansion project of the G15 Shenhai Expressway Ningbo Xiwu to Ma'aoling section. The G15 Shenhai Expressway Ningbo Jiangshan to Ma'aoling section is a national The G15 Shenhai Expressway, one of the 11 north-south longitudinal lines of the expressway network, is a component of the nine-vertical, nine-horizontal, five-ring, and five-channel multi-connection of the expressway network in Zhejiang Province. It is also a part of the Yongtaiwen Expressway. component. The G15 Shenhai Expressway Ningbo Jiangshan-Ma'aoling Section Reconstruction and Expansion Project is divided into two projects: the G15 Shenhai Expressway Ningbo Jiangshan-Xiwu Section Reconstruction and Expansion Project, and the G15 Shenhai Expressway Ningbo Xiwu-Maaoling Section Reconstruction and Expansion Project. The total length of the main line of this project is 69.069km, of which the width along the old road is 53.615km, the new line is 15.454km, and the length of the Meilin branch line is 2.99km. A total of 6 intercommunications and 2 service areas are set up in this project. Among them, 3 existing intercommunications need to be reconstructed in situ, 1 relocated intercommunication, 2 newly built intercommunications, 1 expanded service area, and 1 relocated service area. The main line is equipped with 20598m/114 bridges, including 10726m/5 super-large bridges, 7589m/18 large bridges, 2283m/91 medium and small bridges; 5400.5m/5 tunnels, including 4530.5m/3 long tunnels and 870m medium and short tunnels /2 blocks; the length of bridges and tunnels accounts for 37.65% of the total length of the route. The project investment is estimated to be about 19.698 billion yuan, of which construction and installation costs are about 12.006 billion yuan. Editor / Zhao E

• 2023.03.23 17:21
• [Another sea-crossing bridge in Xiamen is about to start construction]
• On March 22, 2023, the candidates for the survey and design of the cross-East Sea Channel Project in Xiamen have been announced, and the recommended candidates for the bid are Shanghai Municipal Engineering Design and Research Institute Co., Ltd. and Fujian Provincial Transportation Planning and Design Institute Co., Ltd. consortium. The project is located in Jimei District, Tong'an District and Xiang'an District. It starts from Haixiang Avenue, crosses the East China Sea using a public-rail bridge construction scheme, and ends at Xidong Road Airport Expressway, with a total mileage of about 20.9km. The main line of the project adopts the first-class highway and urban expressway, and the auxiliary road adopts the standard of urban trunk road. The main line of the land section has 6 lanes in two directions, the main line of the highway in the sea area has 8 lanes in both directions, and the number of main lines of the track is double; auxiliary roads: Jimei and Tong'an sections have 4 lanes in both directions, and Xiang'an section has 6 lanes in both directions. The design speed of the main line is 80km/h, the design speed of the auxiliary road is 40km/h, and no auxiliary road is set in the sea area. The main line bridge of the land section is 9,938 meters / 4, including 2 super-large bridges: the total length of the Jimei section of the super-large bridge is 2,035.5 meters; the total length of the Xiang'an section of the super-large bridge is 6,838.5 meters. The combined highway and rail bridge in the sea area is about 6.22 kilometers long. The sea-crossing bridge spans two waterways, of which the west navigation hole adopts a cable-stayed bridge with a span of (188+330+188) m; the east navigation hole adopts a steel truss girder with a span of (110+132+110) m. 110m steel truss girders are used for non-navigation holes. The connecting bridge at both ends is 1.82 kilometers long, which is basically the same type as the bridge in the land area. The tentative estimated price of the project is 19.997 billion yuan, of which construction and installation costs are about 13.575 billion yuan. Editor / Zhao E