On July 14, 2021, Beijing-Kunming High-speed Railway Xikun Co., Ltd. issued the "Announcement on the Pre-examination of Qualifications for the Unit Price Contracting Bidding for the Construction of the Yibin-Songming Section of the New Chongqing-Kunming High-speed Railway". Construction.

Chongqing-Kunming High-speed Railway

The construction of the new Chongqing-Kunming high-speed railway has been approved by the National Development and Reform Commission in accordance with the "Approval of the National Development and Reform Commission on the Feasibility Study Report of the New Chongqing-Kunming High-speed Railway" (Fagaijiji [2019] No. 1463) Kunming High-speed Railway Xikun Co., Ltd. The construction funds come from the project capital and bank loans jointly funded by China National Railway Group Co., Ltd., Chongqing City, Sichuan Province, and Yunnan Province. The project capital contribution ratio is 50% of the project capital and bank loans. , The tenderee is Jingkun High-speed Railway Xikun Co., Ltd.

The line departs from Chongqing West Railway Station and passes through Jiangjin District and Yongchuan District of Chongqing City, Luzhou City and Yibin City in Sichuan Province, Bijie City in Guizhou City, Zhaotong City and Qujing City in Yunnan Province, and finally to Kunming South Railway Station. The total length of the main line is 699 kilometers, of which 681 kilometers are newly built, and 18 kilometers of the Zigong-Yibin high-speed railway under construction is used. There are 20 stations on the whole line (1 reserved station). Simultaneous construction of this line to Chongqing West Railway Station Yuqianchang Shujie Line, Shanghai-Kunming High-speed Railway Songming Station Link Line, and Luoyang Town Link Line, the Chongqing West-Jingkou Station Section of the Yuqian Railway will be converted into a dual line, and Kunming West Railway Station will be newly built. , Chongqing West Railway Depot 8 line EMU inspection warehouse. The start date is September 1, 2021, and the completion date is August 31, 2027.

According to the tender announcement, the planned start date for the entire line is September 1, 2021, and the planned completion date is August 31, 2027, with a construction period of 6 years. The Chongqing-Kunming high-speed railway is an important part of the Beijing-Kunming high-speed railway, which is divided into two sections from Chongqing to Yibin and Yibin to Kunming. Construction of the Zhaotong Tunnel, a control project of the Yibin-Kunming section, started in December 2019, and the Chongqing-Yibin section has also been fully started in December 2020.

Keywords: engineering construction, engineering news

The Yibin-Songming section of the Chongqing-Kunming high-speed railway will be constructed at a design speed of 350 km/h. The newly-built dual-line passenger dedicated line will be constructed with a length of 466.43 km. There are 10 stations in Gaoxian, Junlian, Yanjinnan, Yiliangbei, Zhaotongdong, Yuche, Huize, Tianba, Xundian, Songming, etc. The Songming-Kunming section is expected to be implemented simultaneously with the reconstruction and expansion project of Changshui International Airport (new T2 terminal building). After the project is opened, it will build the Beijing-Kunming high-speed railway corridor, strengthen the transportation links between the three urban agglomerations of Chengdu, Chongqing, Central Yunnan, and Guanzhong, and enhance the central city's radiating and leading role in the surrounding areas, which will promote the regional economy and society. Coordinated and sustainable development provides a favorable guarantee.Editor/Xing Wentao