At the beginning of the new year, the construction site of major projects in Guangdong, Hong Kong and Macao Bay area is in full swing. The builders are accelerating the construction of major projects in Guangdong, Hong Kong and Macao Bay area with high enthusiasm. The immersed pipe section of deep and medium channel has been completed by 61% Recently, a good news came from the front of the construction of the deep middle channel: the sinking and installation of the 14th pipe joint of the immersed tunnel has been completed, and the installation length of the pipe joint has reached 3052.8m, accounting for about 61% of the total length of the immersed section. It is reported that Shenzhong channel is a cross sea cluster project integrating "bridge, island, tunnel and underwater interconnection". The subsea tunnel is 6845m long, including 5035m long immersed pipe section, which is composed of 32 pipe joints and one final joint. It is the world's first two-way eight Lane steel shell concrete immersed pipe tunnel. At present, the construction of Shenzhen China corridor is advancing steadily. By the end of 2021, the sinking and docking of 14 pipe joints of immersed tunnel has been completed, and the docking installation of 20 of the 32 pipe joints of the whole line has been completed in total; The construction of East and West man-made islands has been promoted in an orderly manner; The construction of the main tower, anchorage and anchor body of Lingdingyang bridge has been completed, and the hoisting of the main cable saddle has been completed. The box girder erection of Zhongshan Bridge is under way. Huangmao sea cross sea channel ushers in multiple key nodes On January 1, good news came from the construction site of Huangmaohai project that the first prefabricated box girder of Huangmaohai was successfully erected. At the same time, good news also came from the construction site of Gaolan Port Bridge of Huangmaohai project on the side of Zhuhai. The pouring of the first section of the tower column of the East Cable Tower of Huangmaohai bridge was completed. It is reported that the Huangmaohai sea crossing channel project is expected to be completed and opened to traffic in 2024. After completion, it will form a sea crossing and river crossing channel group in Dawan district together with Hong Kong Zhuhai Macao Bridge, Shenzhen China channel, Nansha bridge and Humen Bridge, so as to help Dawan district form a world-class transportation hub as soon as possible. At present, the construction of the main bridge of Huangmaohai project is progressing rapidly. The East Tower of Gaolan Port Bridge has entered the tower base construction stage, and the concrete pouring of the West Tower cushion cap has been completed; The tower base pouring of the East Tower of Huangmaohai bridge has been completed, the third section of the middle tower is under construction, and the fourth section of the West Tower is under construction. It is expected that the two main bridges will fully enter the tower column construction stage before the Spring Festival. The process of water resources allocation project in the Pearl River Delta has been more than half On January 2, the reporter learned from the Guangdong Provincial Department of water resources that the national major water conservancy project and the important livelihood project in the Great Bay area of Guangdong, Hong Kong and Macao - the Pearl River Delta water resources allocation project "through the Shiziyang water conveyance tunnel" has been successfully completed recently, marking that the construction process of the Pearl River Delta water resources allocation project has been more than half, laying a solid foundation for the early completion of the project by the end of 2023. It is reported that the water resources allocation project in the Pearl River Delta is composed of one trunk line, two sub trunk lines, one branch line, three pump stations and four regulation and storage reservoirs. The total length of the project is 113.2 km and the designed annual water supply is 1.708 billion cubic meters. After the completion of the project, it will divert water from the Xijiang River system to the east of the Pearl River Delta, solve the problem of water shortage in life and production in Guangzhou, Shenzhen and Dongguan, provide emergency standby water sources for Hong Kong and other places, and provide strategic support for the high-quality development of Guangdong, Hong Kong and Macao Dawan district. Next, the water resources allocation project in the Pearl River Delta will accelerate the comprehensive connection and lining construction, with the goal of fully completing the water supply. The two terminals of Baiyun airport began to "integrate" Recently, the first corridor steel column of the East Fourth corridor of Baiyun airport T2 terminal was successfully hoisted, marking the official opening of steel structure construction and the formal closure of the corridor main bodies of Baiyun Airport T1 and T2 terminal. Baiyun Airport Phase III expansion project is a key project to help build the regional development pattern of "one core, one belt and one zone" in Guangdong. After the completion of the East four and West four corridors project, T1 and T2 terminals will be connected as a whole to form the first terminal area of Baiyun Airport. Nansha Port Railway completed and opened to traffic On December 31, 2021, a container train loaded with goods departed from Nansha port station, marking the completion and opening of Nansha Port Railway and the official opening of freight function. Nansha Hong Kong Railway is the first passenger and freight double track railway entering Nansha Free Trade Zone, Dawan District, Guangdong, Hong Kong and Macao. After completion, it successfully opens up the "last kilometer" of land sea intermodal transport in Nansha Free Trade Zone, which is of great significance to the construction of land sea intermodal transport channel with Nansha port as the core, the strategic fulcrum of Maritime Silk Road and Silk Road Economic Belt, the construction of Nansha free trade port It is of great significance to improve the function of Guangzhou shipping hub and promote the coordinated development of Guangdong, Hong Kong and Macao Bay area. It is understood that the Nansha port railway will mainly undertake the task of packing, collection and distribution of import and export foreign trade in the southwest and Central South regions. At the same time, the Nansha port railway can also open a freight train from the Nansha port wharf to Europe. The opening of Nansha port railway will greatly reduce the logistics costs of port collection and distribution and port industries, fully show the position of Nansha port as a land sea intermodal logistics hub, and provide strong support for the high-quality development of Guangdong Hong Kong Macao Bay area. (Xinhua News Agency)