Bidding Announcement on the Construction and Modification of Zhoushan-Dinghai Highway Xincheng Bridge

The reconstruction and expansion of the Zhoushan-Dinghai Highway Xincheng Bridge began at the intersection of Linchang Road and Haitian Avenue on Zhoushan Island, along the current Linchang Road, passing through Tangan Island, and finally at the intersection of Linchang Road and Taoyuan Road on Changyi Island for the purpose of reconstruction and expansion. engineering. The entire line is two-way six lanes. The original Xincheng Bridge was reconstructed as a one-way three-lane road as the left site. A one-way three-lane bridge was added on the right side of the Old Bridge as the right site. The width of the old and new bridges was 16.5m. The total length of the route is about 1.805km and the special bridge is 1362m / 1 (the main bridge is a steel box tied arch bridge with a main span of 148m; the approach bridge is a prestressed T beam with a standard span of 30m), and the main line plane crossover 2 At the office, the auxiliary road intersects at one place.

Technical Standards: The design adopts the first-grade highway combined with the urban road standard; the design speed is 60 km/hour for the main line and 30 km/hour for the auxiliary road; the bridge and culvert design has an automotive load rating of Highway-I; and the navigation rating: 500-ton-class seagoing vessel, with net navigation height 14.5m, net width 106m; other technical indicators are implemented according to relevant national standards and norms.

2.2 Bid Section Division, Major Project Contents and Duration

A bid for the construction of this bid is set. The main project includes the construction of roadbeds, roads, bridges and culverts, route crossings, anti-collision facilities, and old bridge repairs, and the repair of defect-defective period defects. Construction schedule: 33 months (28 months for the construction of the new bridge, 5 months for the maintenance of the old bridge), and the defect liability period is 24 months.

3. Bidder qualification requirements

3.1 All construction companies that have independent legal person qualifications and general contracting qualifications for highway engineering construction, and have the same type of project construction performance, and have corresponding construction capabilities in terms of personnel, equipment, funds, etc., and meet the requirements for qualification examination requirements. Can participate in bidding.