Yunnan Construction Investment: Accelerating towards 'full connectivity' to support Yunnan's development on a new journey

Kunming Information Port News Recently, the Baoshi Expressway, Luomi Expressway (Phase II), Guangna Expressway, Daga Expressway, and Xiangli Expressway (Shangri-La to Xiaozhongdian section), invested and constructed by Yunnan Construction Investment Group, were successfully completed, fulfilling the tasks of the provincial Party committee and government's annual county-level expressway "full connectivity" project, and helping Yunnan's development to move towards a new journey. 2019 The construction tasks of the annual county-level expressway "full connectivity" project have been successfully completed, helping Yunnan's development to a new stage.

Baoshi Expressway Project: "Sincere Heart" in Exchange for "Consent"

Baoshi Expressway

The Baoshi Expressway starts from the east side of Daguan City Village, Xinjie Township, Longyang District, Baoshan City. The route connects Yi, Bulang, Hui, Dai, and Wa ethnic minority villages and towns, 26 villager groups, stretching across 1627 tens of thousands of acres of land, 301.35 It can be described as "extremely complex." , "Sunbathing during the day, working under lights at night, searching through the deep grass, eating dry rations all day long, what's the point? Building roads to benefit millions of families." This is a humorous poem circulating among the project team, and it also truly reflects the relocation work. In the early stage, a coordination team was formed, consisting of members from the government, project company, general contractor, and branches. They developed a land acquisition flowchart, went door-to-door to publicize policies, and conducted land surveys in the scorching heat and mud. They held

multiple meetings, 100 solving 200 many difficult problems related to relocation.

"Sometimes, we have to visit a household seven or eight times, and we often get scolded or turned away. You talk to the people again and again, , coordinated back and forth for several days, my legs were almost worn out, and my voice was hoarse, , they basically agreed to the terms, , but they changed their minds at the last minute, , it's infuriating. But land acquisition and demolition involve their actual interests, , if it were us, , we would also have many thoughts. We still need to empathize and strive for the greatest trust and support from the people." Zhang Yongli, deputy project manager of the Yunnan Construction Investment Group's General Package No. 2 Department, recalled the relocation work with many feelings. Unlike the physical fatigue of on-site construction, relocation work relies on "sincere heart" in exchange for "consent", relying on patience , communication, which is more testing than physical fatigue.

Despite the numerous difficulties in land acquisition and demolition, the staff still demolished the walls of the people's hearts according to law and reason. The "Baoshi experience" was formed, characterized by "townships as the main body, the whole county working as one, and using the same standard." With the last household in Youwang Town who had difficulties with relocation signing the agreement, the relocation coordination team completely solved the first major difficulty in project implementation, laying a solid foundation for subsequent construction.

The Baoshi Expressway project adopts the standard of a two-way four-lane expressway, with a design speed of 80 kilometers / per hour. The main line is 33.49 kilometers long, with a total investment of 42.84 billion yuan. The route runs from a maximum altitude of 2074 meters to a minimum altitude of 1470 meters, which can be described as "ups and downs". Yunnan Construction Investment adheres to the principle of "high-starting-point planning, high-standard construction, high-intensity promotion, and high-level management", bringing together the strength of government departments at all levels and participating units. Based on the actual situation of the project, they scientifically formulated construction plans, carefully organized various procedures, strictly set node targets, and made advance plans in temporary facilities construction, resource allocation, construction organization, and cost control, continuously consolidating the foundation of project management. With a vigorous and pragmatic attitude, they ensured the smooth progress of all work.

2019 year 12 month 29 day, after two years and five months, the Baoshi Expressway was completed 7 months ahead of the contract schedule and one year ahead of the design schedule, creating a miracle in Yunnan's highway construction and ending the history of Shidian County not having an expressway. It also set the fastest record in the history of expressway construction in Yunnan. With the completion of the Baoshi Expressway, the once mountainous and isolated Shidian County will become accessible and well-connected. For the people of Baoshan, this is not only a fast passage to the outside world, but also a road to prosperity in the fight against poverty.

Guangna Expressway Project: Ten Thousand People Build a Road

Guangna Expressway

The Guangna Expressway is an important section of the Yunnan Provincial Expressway Network Plan S19 Guangnan to Xingjie Expressway. It connects Xilin, Guangxi in the north, and the National Highway G5615 Tianhou Expressway in the south. It is the main artery connecting Guangnan County to Wenshan City, an important channel connecting Yunnan and Guangxi provinces, and an important part of the skeletal highway network of Wenshan Prefecture, Yunnan Province. 2018 At the end of the year, 2019 the Guangna Expressway was included in Yunnan Province's year's "full connectivity" project. At this time, the main civil engineering of the Guangna Expressway still had 68.6%

incomplete, with some sections seriously lagging behind. Yunnan Construction Investment Group attached great importance to this, made overall plans, and vowed to complete the project on schedule, presenting a satisfactory answer to the people of Wenshan.

Yunnan Construction Investment Group organized various branches to reverse schedule the construction schedule day and night according to the task objectives, breaking down the schedule in detail to ensure that daily plans support weekly plans, weekly plans support monthly plans, and monthly plans support overall goals. They also tracked the implementation of the plans and adjusted them in a timely manner. A special progress supervision team was established, with two people responsible for supervising the progress of a designated branch. Every day, they went deep into the site to supervise the construction progress—normal management work was carried out at night, and the general contractor's office was brightly lit at night, providing timely guidance and analysis of the construction progress of each branch, and studying measures to improve the construction progress; every night, the team leader of the supervision team flexibly held working meetings based on the time when the members returned to the project, studying countermeasures, identifying gaps, and deploying the next day's work, immediately addressing existing problems.

2019 year 12 month 31 The highland soldiers stationed at the project frontline set off before dawn every day, and in order to save time, lunch and dinner were delivered to the site by logistics personnel for quick meals. They returned in the early hours of the morning, day after day, using practical actions to demonstrate their determination to open the Guangna Expressway. 45 A bridge was built in a day, 4 completed in a month 20 output value of several hundred million, highest monthly output T beam 700 multiple pieces, steel reinforcement usage doubled year-on-year 4 times, monthly concrete supply 15 ten thousand cubic meters, year-on-year increase of 3 times, at the peak, approximately ten thousand workers participated in the battle... This is the Guangna speed, the strength of JianTou, a "highway miracle".

Lu-Mi Expressway (Phase II) Project: Launching a Decisive Battle

Lu-Mi Phase II Expressway

The Lu-Mi Expressway Phase II project starts at Wulanghaizi East, Baishui Town, Luxi County ( at the junction of Honghe Prefecture and Qujing City ) , connecting to the Qilin District to Luxi Expressway planned and constructed by Qujing City, and the starting point of the Luxi to Mile Phase I project K20+200 connects here. 2019 At the beginning of the year, the construction of the Lu-Mi Expressway Phase II project started, and the project became the main artery for Luxi to integrate into the Diannan economic circle.

Due to various factors in the early stage, the remaining workload of Lu-Mi Phase II is huge. According to statistics, 2019 year 4 In the month, the remaining earthwork excavation for Lu-Mi Phase II is 70.47 ten thousand cubic meters, the remaining earthwork filling is 24.48 ten thousand cubic meters, the remaining bridge piers are 268 trees, the remaining cap beams are 168 roads, prefabricated T beams remaining 1577 pieces. Faced with difficulties, the responsibility of state-owned enterprises cannot be abandoned, the reputation of "Yunnan JianTou" cannot be lost, and the morale of the "iron army" cannot be weakened. Therefore, the goal of "sprint 12.30 " was born.

"The more we need to speed up the progress, the less we can relax in on-site management." Project Manager Sun Yaping said: "Staying on the construction site requires staying up until 2 am every day. It's tiring, but I feel at ease." Intensive rush work, continuous breakthroughs, project department cadres and employees felt unprecedented pressure and underwent immense tests. To ensure the safety of high-pier construction, the project implemented a system where the leadership team leads the way in climbing safety ladders, and invited the command center and supervision unit for on-site supervision. Lu-Mi Phase II insisted on delivering quality and safety technical briefings to the team for each sub-item and sub-project, insisted on holding a five-minute quality and safety reminder meeting every day, insisted on carrying out monitoring of major hazard sources and hidden danger investigation and governance, and developed special construction plans for projects with high risks. From the leadership team to the construction workers, from the safety officers to the construction workers, under the project's two-way management, the project passed all safe construction site assessments at once, without any quality or safety accidents.

Today, the third expressway built in Luxi County extends to the distance, and the Plateau Iron Army has fulfilled their promise on the land of Yunnan.

Da-Ga Expressway Project: Innovative Solutions to Problems

Da-Ga Expressway East Interchange to West Interchange

The Dakaimen to Xinping West Toll Station section of the Yuxi Xinping Dakaimen to Gasha Expressway project officially opened to traffic on 2019 year 12 month 31 date 24 at time. Thus, the Da-Ga Expressway project team completed the node target tasks of the Provincial Party Committee, Provincial Government, Group, and county "full connectivity" project on schedule, living up to the trust of Yuxi City and Xinping County, ushering in 2020 the first开门红 of the year!

"What seems ordinary is the most rugged, and success is easy but arduous." The section of the expressway that opened to traffic this time mainly involves high fill roadbed construction of interchanges and service areas, undertaken by Yunnan JianTou Ninth Construction Co., Ltd. "Roadbeds seem simple, but the processes are extremely complex. If any process is not done well, it means that everything needs to be redone." Project Manager Hu Jianquan said. The original design documents required the use of a large amount of water-sensitive soft rock for roadbed filling, but the soft rock softens when it encounters water, externally manifested as excessive settlement, cracking, or even instability and destruction of the fill roadbed, easily leading to uneven settlement and slippage of the roadbed. In view of these difficulties, the project department specifically established a research group for the "Research on the Stability and Control Technology of Water-Sensitive Soft Rock Fill Roadbeds." Through months of unremitting efforts, while ensuring the completion of the project schedule, the problem of excessive post-construction settlement of high fills and ensuring roadbed stability was successfully solved, providing valuable experience and technical reference for the construction of high-grade highways in similar geological areas in the future.

In 1000 many days and nights, the project company, general contractor, and various participating units worked together, fought side by side, resonated at the same frequency, and worked efficiently, overcoming difficulties such as tight funds, tight materials, drought and water shortage, and optimized construction plans, and road builders at an altitude of 3000 meters in the Ailao Mountains laid down a development path that helps Yunnan move towards a new journey!

Xiangli Expressway Project (Shangri-La to Xiaozhongdian Interchange Section) : Building an Environmental Protection Highway

Xiangli Expressway

The Xiangli Expressway is the highest-altitude expressway in Yunnan Province. Today, thanks to the arduous efforts of Yunnan JianTou Group in carrying forward the "Plateau Iron Army Spirit," it has successfully achieved the goal of "full connectivity," ending the history of no expressways in the Tibetan areas of Yunnan, and becoming a road to wealth, a road connecting hearts, and a road to happiness that has long been awaited by the people in the Tibetan areas of Yunnan.

The Xiangli Expressway project was listed as a pilot project for green highway construction by the Ministry of Transport. During the construction process, Yunnan JianTou closely focused on the goal of creating "green highways and quality projects" and actively organized participating units to create green highways. The plateau ecosystem is very fragile, and once damaged, it is difficult to recover.

Wei Jiaxu, chief engineer of the general contractor project management department, introduced that in terms of environmental protection, in addition to strengthening the construction of green highway projects, the general contractor project management department also organized work areas to work hard on the application of new materials, process and construction method innovation, and strive to improve quality and efficiency to create an environmentally friendly expressway. PHC pipe piles, rotary drilling, T beam steel reinforcement processing using CNC processing, T The adoption of biomass fuel steam curing and other measures are important measures for environmental protection and quality improvement.

Among them, PHC Pipe piles replace traditional bored piles and are used to treat deep soft foundations. They are prefabricated by professional manufacturers according to the design model and can only leave the factory after passing the acceptance inspection. During construction, the static pressure method is used. This strengthens quality control, reduces damage to the surrounding ecology of the pile foundation, and reduces construction noise—a win-win-win situation.

Pile foundation hole forming uses rotary drilling, which, compared with traditional impact drilling, reduces environmental pollution and damage; bridge reinforcement cages, prefabricated T Beam reinforcement processing uses a CNC processing system, which not only improves production efficiency and saves production costs, but also strengthens quality control...During construction, the general contractor project management department also carefully organized the work area to summarize in a timely manner, deepening the experience and practices into theoretical guidance. Up to now, the header section has harvested 2 item QC achievements, 2 item construction methods, 1 item scientific research achievements, and 13 item utility model patents. While improving quality, increasing efficiency, and protecting the environment, it has accumulated profound experience.

It is precisely because of the difficulties that courage is shown; it is precisely because of the tempering that success is achieved. It is this spirit of focusing on quality, ensuring safety, grasping progress, strictly implementing, bravely shouldering responsibilities, and overcoming difficulties that has allowed Yunnan Construction Investment to achieve "full connectivity" acceleration, helping Yunnan embark on a new journey of high-quality development.