A few days ago, the Wenzhou Public Resources Trading Network issued a tender announcement for the construction of the Qingtian-Wencheng Expressway (Wencheng Section). The tenderer for this project is Wenzhou Wenqing Expressway Co., Ltd., and the estimated total amount of the project is 5.373 billion yuan, including 3.966 billion yuan for construction and installation.

Project Overview

The starting point of this project is K30+954.316, located in the Lishan Tunnel at the junction of Tangyang Township, Qingtian and Yuhu Town, Wencheng. The Lishan Tunnel exits from the mountain on the east side of the dam of the Lilin Secondary Reservoir. After exiting the tunnel, the Dongxi 1# bridge is set up along both sides of the Dongxi River to route southward. During this period, the Yanmenliao Tunnel is set up. Set up the Dongxi 2# bridge wiring on the side, then enter the Shizhuping Tunnel on the east side of the Dongxi tertiary hydropower station and pass through the Wenqing Highway. #The bridge passes through, and then enters the Tanchang Tunnel. After exiting the tunnel, it bypasses Taichang Changshou Village and crosses the Wenqing Highway and Dongxi again, and then enters the east platform of Yuhu Town, where the Yuhu Interchange and Service Area is set up. The ramp connects to Provincial Highway 220 and lands. Afterwards, the route goes around to the west of Yuhu Town Waterworks, crosses the Dashi Line to the south, passes through the east of the Dongxi IV Hydropower Station, and sets up the Yuquanxi Bridge to cross the Yuquanxi and Yingzhu Lines. The roadbed section of the route is set to enter the Yeqiling Pavilion platform, and then the Tangxiayuan Bridge is set to pass through the west side of Tangxiayuan. The bridge crosses Linkeng Creek, and a Zhugeling super-long tunnel is set up under Zhourang Town. Crossing the Zhugeling Mountain, avoiding the two small reservoirs above the mountain and going down through the Zhangshan Reservoir, the Zhugeling Tunnel exits from the northwest valley of Zhanglong Village, and then sets up Zhangtai Ban Interchange to connect with the existing Stadium East Road. The route passes through the Zhangtai Interchange Main Line Bridge on the east hillside of Zhangtai Township, and then connects to the Wencheng Junction of Longliwen Expressway in the south. The end point of the main line is K50+568.622, and the total length of the Wencheng Section is 20.406m. Along the line, there are 3203m/8 main line bridges, 96m/2 middle bridges, 1833/6 main line bridges in the interconnection area, 16 main line bridges with a total length of 5132m, and 5.5 tunnels with a total length of 12968.4m. Bridges and tunnels accounted for 88.36%. There are 2 interchanges along the line, including 1 general interchange hub, 1 service area, 2 interchange toll stations, and 2 tunnel management stations (of which the Lishan Tunnel and Zhongnan Tunnel management stations are jointly built in Yuhu within the service area.

technical standard

The main line of this project adopts the two-way four-lane expressway standard in the "Technical Standards for Highway Engineering" (JTGB01-2014) issued by the Ministry, with a design speed of 80km/h and an integral roadbed width of 25.5m. Design load of bridge and culvert: road-I class; standard axle load of road surface: 100KN. Design flood frequency: 1/300 for extra-large bridges, 1/100 for other bridges, culverts and roadbeds. The remaining technical indicators are implemented in accordance with the specified values of relevant national standards and specifications.

There are 3 tenders in this construction bidding plan, which are the WQTJ01 tender, the WQTJ02 tender and the WQTJ03 tender.

Bid section WQTJ01: starting and ending stake number K30+954.316-K39+700/(K30+944.904-ZK39+685), the route length is about 8.746km, and the main contents are: construction of subgrade, bridge and culvert, tunnel, intercommunication project, special access road, etc. Completion, defect repair during the defect liability period and warranty liability during the warranty period. The main structures include Lishan Tunnel, Dongxi 1# Bridge, Yanmenliao Tunnel, Dongxi 2# Bridge, Shizhuping Tunnel, Dongxi 3# Bridge, and the charcoal yard Tunnel, Dongxi 4# Bridge, Yuhu Interchange, and Yuhu Dedicated Access Road, see the Bill of Quantities for the specific project quantity, and the estimated construction and installation cost is about 1.188 billion yuan.

Bid section WQTJ02: starting and ending pile number K39+700-K49+388/(ZK39+685-ZK49+370), the route length is about 9.7377km, and the main contents are: construction completion and defects of subgrade, bridge culvert, tunnel, special access road, etc. Defect repair during the liability period and warranty during the warranty period. The main structures include Yuquanxi Bridge, Tangxiayuan No. 2 Bridge, Zhugeling Tunnel, and the special access road from Xinlin Village to Zhourang Town. For the specific project quantity, see the bill of quantities and the estimated construction and installation costs About 1.082 billion yuan.

Section WQTJ03: starting and ending pile number K49+388-K50+568.622/(ZK49+370-ZK50+568.622), the route length is about 1.923km, the main content is: construction completion of subgrade, bridge culvert, road surface, etc., defect liability period defects Responsibility for repair and warranty period. The main structures include the Zhangtai Interchange, Wencheng Junction, and the 20.4km road surface project along the entire line. Please refer to the Bill of Quantities for the specific project quantity. The estimated construction and installation cost is about 861 million yuan. Keywords: engineering news, engineering construction, engineering construction information

Planned construction period: Planned construction period of WQTJ01 bid section: 1140 calendar days, defect liability period 24 months. The planned construction period of WQTJ02 bid section: 1140 calendar days, and the defect liability period is 24 months. The planned construction period of WQTJ03 bid section: 1260 calendar days, and the defect liability period is 24 months.

Obtaining tender documents

Potential bidders can log in to the electronic bidding trading platform of Zhejiang Provincial Public Resources Trading Center with the company's CA digital certificate, and download the bidding documents and supplementary documents below this announcement. The deadline for submission of bidding documents is 14:00, June 6, 2023, electronically Bidding documents shall be submitted online and uploaded to the electronic bidding trading platform of Zhejiang Provincial Public Resources Trading Center. Editor / Zhao E