On October 21, 2020, the People’s Government of Gansu Province issued an announcement, in order to disperse the traffic flow, strengthen the connection between the lines, and improve the travel environment, the G30 Lianhuo Expressway Qingshuiyi-Zhonghe section expansion and transformation and supporting engineering PPP project opened the bid, the total The investment is about 24 billion yuan.

This project includes four sub-projects, namely: G30 Lianhuo Expressway Qingshuiyi to Zhonghe Section Expansion and Reconstruction Project, Central Passage South Extension Road Project, G30 Lianhuo Expressway Lanzhou East (Dingyuan Ramp) Toll Station and Lanzhou North ( Zhonghe Ramp) toll station project, the Yanchangbao-Shichuan connection line project of the east section of the Lanzhou North Ring Expressway.

G30 Lianhuo Expressway Qingshuiyi to Zhonghe Section Expansion and Reconstruction Project

This sub-project includes the main line and Shichuan interconnection line. The main line starts at Dujiazui Village, Qingshuiyi Township, Yuzhong County, and ends at Pingxian Village, Zhonghe Town, Gaolan County. It has a total length of 66.812km and is divided into two sections. The section from Qingshuiyi to Zhonghe Town Shangchuan is a two-way six-lane road with a length of 63.934. km; The section from Shangchuan to Pingxian in Zhonghe Town is a two-way eight-lane road with a length of 2.878km. The starting point of the Shichuan Interchange Line is at Sancha Road, Shichuan Township, Gaolan County, and the end point is Binhe West Road, Shuichuan Town, Baiyin District. The route is 57.13km long (including the newly-built Lanzhou section 30.018km and the newly-built Baiyin section 6.602km, which fully utilizes the 20.51km of the Baiyin-Shuichuan tourist highway under construction. The newly-built Lanzhou section 30.018km and the newly-built Baiyin section 6.602km are invested in this PPP project , Within the scope of construction and operation, the fully utilized Baiyin-Shuichuan tourist road is not within the scope of construction and operation of this PPP project).

Central Channel South Extension Highway Project

The route starts at Zhongpuzi, Zhonghe Town, Gaolan County, and crosses Nanbinhe Road, B614 Road, and Tianshui North Road on the southwest side of Longwang Temple, and then connects to planned road T603#. The total length of the route is 11.1km, among which Zhongpuzi-Yanchangbao, Zhonghe Town, Gaolan County, is an expressway with a length of 8.5km; Yanchangbao-Tianshui Road is a first-class highway with a length of 2.6km.

G30 Lianhuo Expressway Lanzhou East Toll Station and Lanzhou North Toll Station Project

A total of 28 toll lanes with 10 entrances and 18 exits were built at the Lanzhou East Toll Station at K1853+580 of G30 Lianhuo Expressway, including 6 ETC lanes and 22 MTC lanes. The straight section of the toll plaza is 200m long and 160.1m wide. 1 pre-assembled pre-stressed concrete pedestrian bridge, 1 culvert; 1 new management station area, covering an area of 15.67 mu, 4535.32 m2 of staff dormitory building, 232.9 m2 of auxiliary buildings, 38.85 m2 of concierge; 3,172 m2 of toll ceiling, underground passage 158.6m; Set up corresponding traffic safety facilities, charging, monitoring, and communication facilities. The toll plaza adopts cement concrete pavement structure, and other sections adopt asphalt concrete pavement structure.

A total of 28 toll lanes with 10 entrances and 18 exits were built at the Lanzhou North Toll Station at K1706+266 of G30 Lianhuo Expressway, including 6 ETC lanes and 22 MTC lanes. The straight section of the toll plaza is 150m long and 160.1m wide. Widened middle bridge 82.08m/2, 3 culverts, 1 management station area, covering an area of 16.75 acres, newly built staff dormitory building of 4,535.32 m2, auxiliary buildings of 232.9 m2, gatehouse 38.85 m2; toll ceiling of 3,172 m2, underground passage of 158.6 m; Set up corresponding traffic safety facilities, charging, monitoring, and communication facilities.

Lanzhou North Ring Road East Section Expressway Yanchangbao to Shichuan Connection Line Project

The route starts at Yanchangbao, Chengguan District, Lanzhou City and ends at the head of the Shichuan Yellow River Bridge in Gaolan County, with a total length of 19.05km. The subsections of the project are constructed in accordance with the standards of urban arterial roads, two-way four-lane first-class highways, two-way two-lane second-class highways, and the design speed is 60km/hour. The section K0+000-K2+600 is the urban arterial road with a road width of 33m; the section K2+600-K4+130 is an urban arterial road with a road width of 28m; the section K4+130-K17+300 is a roadbed width of 24.5m The K17+300-K19+075 section is a secondary road with a subgrade width of 12m; the design of bridges and culverts adopts highway-I grade, and other technical standards are in accordance with the "Highway Engineering Technical Standards" (JTG B01- 2014) regulations are implemented.

The project was won the bid by China Seventeen Metallurgical, China Metallurgical Construction Credit Investment Fund Management Co., Ltd., China Railway Construction Investment Group, China Railway 18th Bureau, China Railway 15th Bureau and Gansu Road and Bridge Construction Group Consortium. Editor/Peng Xue