Recently, the new Zhuhai-Zhaoqing high-speed railway Zhuhai-Jiangmen section and the Gaoming-Zhaoqing east section construction project total price contract bidding was released. The entire Zhuhai-Zhaoqing high-speed railway line is about to enter the official construction stage, with a planned construction period of 4 years.

Zhuhai-Zhaoqing High-speed Railway is a high-speed railway with a speed of 350 kilometers per hour independently invested and led by Guangdong Province for the first time. The total length of the line is 184.5 kilometers, with a total investment of about 53.6 billion yuan. section to build. Among them, the Jiangmen-Pearl River Delta hub airport section, the Gaoming-Zhaoqing east section, and the Zhuhai-Jianmen section have started construction by the end of 2021.

Details of the tender announcement are as follows:

1. Bidding conditions

The newly-built Zhuhai-Zhaoqing high-speed railway Zhuhai-Jiangmen section and Gaoming-Zhaoqing east section have been approved by the Guangdong Provincial Development and Reform Commission in the "Guangdong Provincial Development and Reform Commission's Reply on the Feasibility Study Report of the New Zhuhai-Zhaoqing High-speed Railway Zhuhai-Jiangmen Section Project" (Yuefa Gaitou Shen (2021) No. 102), "Guangdong Provincial Development and Reform Commission's Reply on the Feasibility Study Report of the New Zhuhai-Zhaoqing High-speed Railway Gaoming-Zhaoqing East Section Project" (Yue Fa Gai Tou Shen (2021) No. 100) Approved construction.

The location of the project in the Guangdong-Hong Kong-Macao Greater Bay Area Railway Planning Map

The construction unit is Guangdong Zhuhai-Zhaoqing Railway Co., Ltd. The construction funds come from Guangdong Provincial Finance, Zhuhai City, Jiangmen City, Foshan City, and Zhaoqing City. The capital of the Jiangmen section is shared by the provincial level and Jiangmen City at a ratio of 7:3; the capital of the Foshan section is shared by the provincial level and Foshan City at a ratio of 5:5; the capital of the Zhaoqing section is shared by the provincial level and Zhaoqing City on a 5:5 basis. 7:3 share, and the rest apply for bank loans.

The funds have been secured, the construction drawing and design documents are complete, the entrusted construction agreement for the project has been concluded, and the tenderer is the Jiangmen Engineering Construction Headquarters of China Railway Guangzhou Bureau Group Co., Ltd.

2. Project overview

1. New Zhuhai-Zhaoqing high-speed railway Zhuhai-Jiangmen section

Starting from Zhuhai Hezhou Station, going north along the Jiangzhu Expressway, passing through Lianzhou, crossing the Hema Creek, Laolao Creek and other waterways, connecting with the Guantian Line on the east side of the Jiangmen Waterway, and passing directly through the Jiangji section of the Zhuhai-Zhaozhou High-speed Railway to Jiangmen Station. The total length of the main line is 44.435 kilometers, with 11 double-line super bridges/37318.119 meters, 5 double-line bridges/1798.825 meters, 2 double-line middle bridges/167.95 meters, and 7 tunnels/2805.365 meters.

Among them, the project that has been implemented in advance (DK18+411.79~DK19+295.5) is 0.884 kilometers long. There are 2 Zhuhai Hezhou (including) and Jiangmen (excluding) stations, 1 Guantian line station and 1 Hezhou EMU station on the whole line, as well as related supporting projects and EMU running lines for Zhuhai Hezhou EMU.

Main technical standards: Railway grade: high-speed railway. Number of positive lines: double lines. Design speed: 350km/h, speed limit in local areas.

2. New Zhuhai-Zhaoqing high-speed railway Gaoming-Zhaoqing east section

Introduced from Gaoming Station of Jiangji Section of Zhuhai-Zhaoqing High-speed Railway, through Gaoming of Foshan, Gaoyao of Zhaoqing, Dinghu, and then introduced into Zhaoqing East Station of Guizhou-Guangzhou High-speed Railway. There is one bridge/191.42 meters, one double-lane middle bridge/101.22 meters, and four tunnels/5473.5 meters. Among them, the project that has been implemented in advance (DK0+000~DK2+668.71) is 2.669 kilometers long.

There are 3 Gaoming (not included), Jinli, and Zhaoqing East (existing) stations along the entire line, and 1 station for Xinzhuang and Pucao lines.

Main technical standards: Railway grade: high-speed railway. Number of positive lines: double lines. Design speed: 350km/h, speed limit in local areas.

3. Bidding scope and bidding section division

1. Pearl River Section of Zhuhai-Zhaozhou High-speed Railway

(1) Design mileage DK0+068~DK44+281.37 (excluding DK18+411.79~DK19+295.5) of the design mileage from Zhuhai Hezhou (inclusive) to Jiangmen Station (exclusive) The entire content of the construction drawings of the station front works.

(2) 1 Hezhou bullet train station, as well as all the construction drawings of the relevant supporting projects for the use of Zhuhai Hezhou bullet trains and the station front engineering of the bullet train running lines.

This tender is divided into 3 tender sections, the details are as follows:

ZJSG-2 mark: Design mileage DK0+068 ~DK4+115.604 of the Zhujiang section of the Zhuhai-Zhaozhou high-speed railway, the station front project of the Hezhou bullet train station and moving line (excluding box girder frame), DK0+068 ~DK25+038.65 of the box Beam frame and other construction drawings and all contents.

ZJSG-3 standard: The design mileage of the Pearl River section of the Zhuhai-Zhaozhou High-speed Railway DK4+115.604 ~DK18+411.79, DK19+295.5~DK26+505.615, all contents of the construction drawings including the station front works (excluding box girder frame).

ZJSG-4 standard: The design mileage of the Pearl River section of the Zhuhai-Zhaozhou High-speed Railway is DK26+505.615~DK44+281.37 in front of the station (excluding box girder frame), DK25+499.15~DK44+281.37 in box girder frame, track laying for the whole line, etc. The entire content of the map (excluding the Guantian Line Station and related projects).

2. Zhuhai-Zhaozhou High-speed Railway Gaozhao Section

The design mileage DK0+000~DK41+207.817 (excluding DK0+000~DK2+668.71) of Gaoming Station (not included) to Zhaoqing East Station (existing) is the entire content of the construction drawings of the works in front of the station.

This tender is divided into 2 tender sections, details are as follows:

GZSG-2 standard: Design mileage DK2+668.71~DK25+565 for the station front project of the Gaozhao section of the Zhuhai-Zhaozhou high-speed railway (excluding box girder frames), DK0+000~DK31+899 (including pre-implementation projects) for box girder construction All the content of the construction drawings such as frame and track laying works on the whole line.

GZSG-3 standard: the design mileage DK25+565~DK41+207.817 of the station front project of the Gaozhao section of Zhuhai-Zhaozhou high-speed railway (excluding the box girder frame), DK33+207~DK41+207.817 of the box girder frame and other construction drawings. .

Planned construction period: 1461 calendar days, planned start date: May 20, 2023, planned completion date: May 20, 2027.Editor/Ma Xue