On August 27, 2021, a reporter from Jiandao.com learned from the Hefei Economic Development Zone that in order to clear the construction obstacles of the rapid transformation project of Jinzhai Road (Ring Expressway-Fangxing Avenue) in Hefei, the district is facing Jinzhai Road. (Circular Expressway-Shimen Road) Greening will be transplanted. This move means that the highly-regarded south extension project of Jinzhai Road in Hefei is about to start. The project won a bid of 3.217 billion yuan and a planned construction period of 550 calendar days.

Jinzhai Road Elevated South Extension Project

It is understood that Jinzhai Road (Circular Expressway-Fangxing Avenue) is an asphalt road rebuilt on the basis of the original He'an Highway in 2006, and the construction of the Jinzhai Road viaduct, which started in the same period, ends at the Ring Expressway. With the continuous economic and social development of Hefei City, the traffic load on Jinzhai Road has increased rapidly, and "intestinal obstruction" has formed in the Jingkai section and Feixi section of Jinzhai Road. County integration and development. In response, Hefei decided to speed up the implementation of the south extension project of Jinzhai Road viaduct.

According to the person in charge of the Urban Management Bureau of Hefei Economic Development Zone, the greening migration project involves 90,600 square meters of public green space, including 1,889 trees, 3,824 flowering shrubs and shrubs, and 48,000 square meters of ground cover. After the seedlings are moved, the site will be delivered. To the winning construction unit. Prior to this, the Urban Management Bureau of the district had already coordinated with the Hefei Key Project Construction Administration to handle the inspection and transfer of roads and municipal auxiliary facilities, and the asset evaluation procedures.

The rapid transformation project of Jinzhai Road under this construction starts from Longchuan Road in the north to Fangxing Avenue in the south, with a total length of about 7,650 meters and an implementation width of 70 meters. The project mainly adopts the elevated scheme, in which the ground expressway is used for crossing the high-speed and railway sections, the newly built viaduct is about 5622 meters, and the width of the existing elevated is about 510 meters.

The main line to the north of Jinxiu Avenue is a two-way 8-lane, and the main line to the south of Jinxiu Avenue is a two-way six-lane. Simultaneous construction of the bustling avenue underneath Jinzhai Road, Jinxiu Avenue, etc. The main construction content of the project is roads, bridges, tunnels, drainage, water supply, lighting, greening, traffic signs and markings, signal monitoring and auxiliary facilities (excluding iron-related parts).

The reporter learned that the project is divided into 3 bid sections for simultaneous construction, of which:

The start and end points of section 1 are Longchuan Road and Shimen Road, with a length of 2,589 meters (including 1,694 meters of viaduct). The scope of the project includes the partial reconstruction project of the prosperous avenue, with a length of 871 meters (including the total length of the underpassing passage 500 meters), and two new slow-moving underground passages;

The starting and ending points of section 2 are Shimen Road and Zipeng Road, with a length of 2288 meters. The scope of the project includes the renovation of Jinxiu Avenue and the semi-interchange of Jinxiu Avenue. The length of the renovation of Jinxiu Avenue is 710 meters (including the total length of underpass 441 meters and the frame bridge section is 90 meters long), the total length of 4 semi-interchange overpasses is 3,029 meters, and a new pedestrian bridge will be built. ；

The start and end points of section 3 are Zipeng Road and Fangxing Avenue, with a length of 2,514 meters (including 1,640 meters of viaduct). The scope of the project includes the transformation project of the underpass passage of Tangkou Road, with a length of 800 meters (including the total length of the underpass passage 560 meters and the frame bridge section length of 96 meters). The entire line of integrated pipelines and roads will be constructed simultaneously.

It is worth mentioning that according to the design plan of the prosperous avenue underneath the Jinzhai Road project, the pedestrian bridge of the Pearl Square, which is the landmark night view carrier of Hefei, will be demolished. The person in charge of the Urban Management Bureau of the Economic Development Zone said that considering the cross construction of rail transit line 7 and Jinzhai Road rapid transformation project, it is necessary for traffic diversion. The specific demolition time cannot be determined temporarily. The construction, traffic police, and urban management departments will depend on the situation. Develop a demolition plan. Editor/He Yuting