On March 23, 2021, the "Announcement on the Total Price Contract Tendering of the Preliminary Construction Section of the New Nanning-Shenzhen Railway from Yulin to Cenxi (Guangxi and Guangdong Province) Section" was released on the website of Guangxi Department of Transportation. The preliminary construction section of the tender is the project-controlling project Rongcen Tunnel, with a total length of 7056m. The project is expected to officially start in May, with a planned construction period of 2.5 years.

The main content of the announcement

The early start of the Yulin-Cenxi section of the new Nanning-Shenzhen Railway (Guangxi-Guangdong provincial boundary) has been approved by the Development and Reform Commission of Guangxi Zhuang Autonomous Region in ) Section Feasibility Study Report" (Gui Fa Gai Jiaotong [2020] No. 1261) approved for construction. The preliminary design has been approved by the Guangxi Zhuang Autonomous Region Transportation Department in accordance with the "Guangxi Zhuang Autonomous Region Transportation Department's New Nanning-Shenzhen Railway Yulin-Cenxi (Guangxi-Guangdong Provincial Boundary) Section DK246+620~DK253+676 Section DK246+620~DK253+676 Section Station Front Project Approval of the Preliminary Design and Estimates" (Guijiaotie Jianhan [2021] No. 65), the project owner is Guangxi Nanyu Railway Co., Ltd. ( Contract signing unit), the construction fund comes from the owner's self-raised + bank loan, the project investment ratio is 100%, the tenderer is Guangxi Nanyu Railway Co., Ltd., and the bidding agency is Guangxi Communications Hongguan Engineering Consulting Co., Ltd.

The newly built Yulin-Cenxi (Guangxi-Guangdong provincial boundary) section of the Nanning-Shenzhen Railway (hereinafter referred to as the Yu-Cen Railway) leads from the Yulin North Station of the Nanning-Yulin section of the railway under construction. After G324, set up Rongxian South Station, then cross-border highway G241, pass Cenxi along the south side of Luozhan Railway, and set up Cenxi East Station to the provincial border. The line is about 111 kilometers long and has 3 stations. Among them, Yulin North Station is the station under construction, and Rongxian South Station and Cenxi East Station are newly built stations.

Main technical standard: high-speed railway. Number of positive lines: double lines. Design speed: 350 km/h. Maximum slope: 20‰ in general areas (30‰ in difficult areas). Minimum curve radius: 7000 meters in general areas (5500 meters in difficult areas). Effective length of arrival and departure line: 650 meters. Traction type: electric power. Train operation control mode: automatic control. Dispatching command mode: centralized dispatching.

The preliminary construction section of this tender is the Rongcen Tunnel (DK246+620-DK253+676), with a total length of 7056m. The scope of the bidding and the main project content include tunnels, various pipeline relocations and post-station projects that must be constructed or reserved at the same time as the professional projects in front of the station.Editor/Xing Wentao