[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
The Chengjiang Tunnel in Yuxi section of the Yunnan Central Water Diversion Phase II supporting project, undertaken by China Railway First Group, has been successfully completed. The geological conditions of the tunnel are complex and the construction risk is high. After completion, it can provide water supply to the Chengjiang area every year, help protect the ecological environment of Fuxian Lake, and build a strong regional water safety barrier. Editor/Min Jing
At the bank of the Taihu Lake Lake in Wuxi, the Xiyi S2 Line, which CR14G participated in, was formally driven through the the Taihu Lake Lake Tunnel. The starting shield Pioneer was equipped with an intelligent model, which posed a serious construction challenge. After the completion of the project, it will contribute to the integration of the Yangtze River Delta and promote the coordinated development of Xiyi. Editor/Min Jing