On February 22, 2023, the Sichuan Provincial Public Resources Trading Information Network issued a tender announcement for the preliminary design of the Mianyang-Suining section of the new Mianyang-Suining-Neijiang Railway. 2022] No. 727 approved the construction, and the estimated total investment of the project is 32.852 billion yuan.

Project Overview

Construction site: within the territory of Mianyang City and Suining City, Sichuan Province.

The line of this project starts from Mianyang South Station, passes through Mianyang Fucheng District, Santai County, Suining Shehong City, Daying County, Chuanshan District, Anju District, and ends at Suining High-tech Station. The 136.16-kilometer main line will be newly built, and 4 new stations will be established in Mianyang South, Santai, Shehong, and Suining Gaoxin, and Luxi Station will be reserved. The newly-built connection line is 18.85 kilometers long, of which, the connection line introduced in the Mianyang area is 13.65 kilometers long, and the connection line introduced in the Suining area is 5.20 kilometers long. The new Mianyang Nancun depot is newly built, and the train line is 0.56 kilometers long; the Mianyang Station, Suining Station, and Xinqiao lines are renovated, and the Baocheng Line is rebuilt for 1.1 kilometers.

Main Technical Standards

Railway grade: high-speed railway; number of main lines: double lines; speed target value: 250 km/h; distance between main lines: 4.6 meters; maximum slope: 20‰ for ordinary sections, 30‰ for difficult sections; minimum curve radius: generally 3500 meters , The difficulty is 3000 meters; the effective length of the arrival and departure line: 650 meters; the train operation control method: automatic control; the traffic command method: centralized dispatching.

Bidding scope

The main work content of this bidding is: the preliminary design of the Mianyang-Suining section of the new Mianyang-Suining-Neijiang Railway and the survey and surveying work in the corresponding stages; the preparation of relevant special research reports; and the cooperation with the construction unit to carry out relevant scientific research projects.

Survey and mapping in the preliminary design stage: Carry out the engineering geological survey in the preliminary design stage of the project, complete the survey work, and form relevant survey results.

Preliminary design: complete the preliminary design preparation tasks within the entire project scope of the project, and form relevant preliminary design materials; complete cultural relics investigation, environmental impact assessment report, environmental sensitive point special topic, water and soil conservation report, occupational disease hazard assessment, forest land occupation assessment report, land Compilation of special research reports on reclamation special design, energy-saving assessment, geological hazard assessment, overburden mineral assessment, earthquake safety assessment, safety assessment of Mianyang oil depot, full-line integration plan assessment, full-line environmental and water protection special design, as well as line plans Special supplementary research and recompilation of reports caused by changes; cooperate with the construction unit to carry out relevant scientific research projects; cooperate with the construction unit to carry out services related to the preliminary design, including assisting in design review, revision, approval, and passing relevant review work And other tracking services designed later.

The survey and design standards are in line with the current standards of the railway industry, and meet the project approval requirements of the relevant competent departments of the country and Sichuan Province, and have been reviewed and approved by the relevant competent departments. Keywords: engineering news, engineering construction information, engineering constructionObtaining and submitting tender documents

Anyone who intends to participate in the bidding, please log in to the national public resource trading platform national investment and construction engineering project system login portal on February 23, 2023, and download the bidding materials for free through digital certificates. The deadline for submission of bidding documents is 9:00 on March 16, 2023, at the Bid Opening Room of the Sichuan Provincial Government Government Affairs and Public Resources Transaction Service Center. Editor / Zhao E