[Bidding for Nansha section of Huangpu Nansha East Expressway]On May 31, 2023, the Guangzhou Public Resource Trading Service Platform released a bidding announcement for the construction of the Nansha section of the Huangpu Nansha East Expressway, with a total investment of approximately 5 billion yuan. Nansha section of Huangpu Nansha East Expressway, including main line works and auxiliary road works: main line works of Nansha section of Huangpu Nansha East Expressway: first-class highway and urban expressway standard, two-way six lane, about 5.1 km long. The length of the roadbed section is about 2.14 kilometers, the total length of the bridge is about 2.67 kilometers, and the length of the semi submerged tunnel is about 255 meters; There are 4 interchanges set up along the entire line, including Nansha Bridge Interchange, Husha Avenue Interchange, Wuzhoushan North Road Interchange, and Huangge East Interchange. The main construction content includes road engineering, bridge engineering, tunnel engineering, traffic engineering, lighting engineering, greening engineering, toll facilities, external power engineering, temporary engineering, etc. The project budget is 3.07 billion yuan, including 1.996 billion yuan for construction and installation expenses. The auxiliary road project of the Nansha section of the Huangpu Nansha East Expressway: an urban main road, starting from the planned No. 21 Road in the Qingsheng area of Nansha District in the north and ending at Jigushan Road in the south, with four lanes in both directions and a length of about 4.9 kilometers. The total length of the roadbed section is 4495 meters, the bridge section is 290 meters, and the open section of the tunnel is 126 meters. The main construction content includes road engineering, bridge engineering, tunnel engineering, traffic engineering and traffic dispersion engineering, drainage engineering, lighting engineering, power pipe trench engineering, greening engineering, etc. The project budget is 1.934 billion yuan, including 1.085 billion yuan for construction and installation expenses. Editor/Zhao E
The Dazhun Railway with a total investment of 19.084 billion yuan has been officially approved, connecting Sichuan and Guizhou provinces and filling the gap in the western land sea new road network. The completion of the project can shorten the sea transportation distance from south Sichuan to Beibu Gulf, reduce logistics costs, and effectively solve the problem of outward transportation of Baijiu and mineral bulk goods in Chishui River Valley. Editor/Min Jing
The world's first 500 MW impulse type hydroelectric unit inlet ball valve of Datang Zhala Hydropower Station has completed outdoor assembly and passed the water pressure test. The self weight of the ball valve exceeds 300 tons, and the team innovates the assembly process to overcome multiple construction difficulties, promoting the continuous upgrading of core equipment technology for high head and large capacity hydropower in China. Editor/Min Jing