On September 8, 2022, the platform of the National Public Resources Trading Center released the tender announcement for the survey and design of the Ningbo-Jinhua section (Jinhua section) of the reconstruction and expansion project of the Yongjin Expressway. The tenderer for this project is the Jinhua Highway and Transportation Management Center. The total investment is about 19.42 billion yuan, and the construction and installation cost is about 12.06 billion yuan.

Project Overview

The Ningbo-Jinhua Section of the Yongjin Expressway Reconstruction and Expansion Project The recommended plan for the Ningbo-Jinhua section starts at the junction of Shengzhou and Dongyang in the Baifengling Tunnel of the Yongjin Expressway, and is renovated and expanded westward along the existing line of the Yongjin Expressway, and finally the Yongjin Expressway and the Hangjinqu Expressway. The intersection of the Fucun hub, the total length of the route is about 69.736 kilometers, of which the Dongyang section is 33.49 kilometers, the Yiwu section is 31.785 kilometers, and the Jinyixin section is 4.461 kilometers. There are 10.64km/144 bridges and about 8.80km/5.5 tunnels on the whole line. Among them, the recommended plan is to build a new integrated Shuangjianghu Tunnel. It is proposed to use open-cut U-channels and buried tunnels to pass through Shuangjianghu. The full length of the Shuangjianghu Tunnel 3590m; the Baifengling tunnel group is planned to adopt the new single-hole four-lane tunnel scheme on the left side. The length of the No. 1 tunnel is 735m, the length of the No. 2 tunnel is 2400m, and the length of the No. 3 tunnel is 595m; the Yankengjian tunnel group is planned to adopt the new three-lane tunnel scheme on both sides. No. 1 of the left-hole left hole is 275m, No. 2 of the left-side hole is 1430m, No. 3 of the left-side hole is 1490m, No. 1 of the right-side hole is 245m, No. 2 of the right hole is 1390m, and No. 3 of the right hole is 1875m. There are 4 interchanges in the reconstruction hub, and the reconstruction is generally interconnected. 8 sites, 1 new Liushi Interconnection, 1 Dongyang service area renovated, 1 Yiwu service area rebuilt, 1 rebuilt management sub-center, 1 rebuilt maintenance work area, 2 new tunnel management stations, and newly built Fu Village The interconnection line is about 2.05 kilometers. The specific structure setting is subject to the final approval.

technical standard

The technical standards to be adopted after the reconstruction and expansion of this project are as follows: the whole line adopts the standard of two-way eight-lane expressway, the design speed is 100km/h, and the width of the roadbed is 41m. The Fucun interconnection line adopts the two-way four-lane first-class highway standard, the design speed is 80km/h, and the roadbed width is 24.5m. Keywords: engineering news, engineering construction information, engineering construction

Acquisition and submission of tender documents

From September 8, 2022 to September 15, 2022, potential bidders should log in to the electronic bidding trading platform of Zhejiang Provincial Public Resources Trading Center with their CA digital certificate and download the bidding documents and supplementary documents below this announcement. The deadline for submitting tender documents is 14:30 on October 8, 2022.Editor/Zhao E