Construction progress control and countermeasure analysis of engineering projects?

Different projects have different conditions and requirements for construction project-related data. The more complex project construction content and severe construction period bring new opportunities for development to construction companies. During the construction process of engineering projects, in addition to strengthening the quality and safety supervision of construction buildings, the construction progress of the project must also be controlled. Construction companies can effectively improve economic benefits and project quality by strengthening supervision of engineering projects. However, construction enterprises will face many uncontrollable factors when carrying out projects, which puts forward more technical requirements for enterprise development. This article adopts the "Chongqing Jiulongpo to Yongchuan Expressway (Chengyu Capacity Expansion) Project" (hereinafter referred to as the "Jiuyong Project" ) Control of project progress and study how construction companies can complete project construction with high quality within the specified time.

1 Construction progress control of engineering projects

With the rapid development of China's infrastructure industry, the scale of engineering construction is getting larger and larger, and the professional scope involved in project management is getting wider and wider. Construction is also becoming more and more difficult. In order to ensure the smooth progress of engineering projects and the sustainable development of enterprises, when enterprises carry out engineering projects, they must determine the horizontal connection relationships between construction projects, strengthen the technical support and material quality of engineering construction, and improve the overall progress of engineering construction. The construction progress of the project directly affects the quality and economic cost of the project construction. Pre-project planning and engineering plans should formulate a rational and standardized progress plan based on the actual project conditions, and strictly supervise the engineering links during the construction process to ensure control of the construction progress. The Jiuyong project is a BOT EPC project wholly owned by China Communications Construction Company No.1 Highway Engineering Bureau Co., Ltd. (now merged and reorganized into "China Communications Construction Company No.1 Group Co., Ltd."). The main characteristics of this project are long lines, large amounts of work, and tight construction schedules. The project is located in the suburbs of Chongqing City. The land acquisition, demolition, and pipeline relocation along the line are complicated and large in amount, which will have a greater impact on the construction. In order to ensure that the progress goals are achieved, it is necessary to formulate a scientific progress plan, strictly supervise the implementation of the plan, and at the same time analyze and deal with problems existing in the construction process in a timely manner [1].

1.1 Develop a scientific construction sequence

Construction companies carry out engineering construction according to the drawing design content when carrying out engineering projects. The construction complexity of different engineering projects has certain differences. For construction units Specifically, it is necessary to conduct relevant research and analysis based on the drawings and rationally plan the construction sequence, so that time can be maximized to shorten the construction period. Therefore, during the preparation period, the Jiuyong project conducted an overall analysis of the construction activities through pre-project planning, determined the attribution logic of the work content and the relationship between them, and made it clear that "the control works should be started first, the main roads should be opened as soon as possible, and the bridges and culverts should be opened as soon as possible. The progress sequence control goal is to "wait for structures first" and formulate a scientific construction sequence.

1.2 Develop a scientific progress plan

The Jiuyong project clearly stipulates the construction progress objectives and construction progress plan in the contract. For construction companies, it is necessary to clarify the overall construction plan of the project, the key lines and key control nodes of the project, and use reasonable planning to maximize the use of time to shorten the construction period. During the construction preparation stage, the construction unit must conduct a comprehensive study on the surrounding environment, difficulty of construction, material procurement status and other factors affecting the progress to determine the attribution of the work content according to the start and completion dates stipulated in the construction contract. logic and their relationship to each other. At the same time, differentiated management should be strengthened, various construction interfaces should be coordinated, and overall nodes should be deployed as a whole to ensure the reasonable development of various projects [2].

1.3 Multiple measures to promote the implementation of the progress plan

The Jiuyong project combined the construction progress goals and construction progress plan, reversed the construction period, decomposed the staged progress goals, and used special assessment as the basis Starting from the beginning, monthly, quarterly and annual progress assessments are carried out to encourage progress; through overall progress management, construction resources are reasonably allocated. While focusing on the control works of the project, attention is paid to "beaming channels, subgrade inspection, and road paving." "Connect the control points of the main process; by accelerating the progress of land acquisition and demolition, timely solve the land acquisition coordination problem, laying a solid foundation for the rapid formation of a fast start; establish an in-depth project management "guarantee team" to provide scientific decision-making and provide progress services and guarantee; strict process inspection, supervise existing problems during the implementation of the schedule plan, and ensure the smooth implementation of the schedule plan.

2 Analysis of Construction Plan Optimization Problems

2.1 Correcting the Construction Period

The construction of the project is composed of different links, and each construction link has different construction requirements The construction period of each construction process is different. For the processes of different construction links, time must be fully and rationally utilized by formulating a scientific and rational construction sequence, minimizing the project cycle, saving time and increasing economic benefits for the enterprise. The order of fixed construction processes cannot be changed at will, but the order of construction contents at the same level can be adjusted randomly. The order of construction pipelines is different, and the length of time is also changed. Projects can be found through optimized combinations of experiments The shortest construction period and the most optimized construction flow plan are formulated. By attaching great importance to the construction of small structures on the roadbed and optimizing the construction plan, the Jiuyong project site effectively shortened the construction period of small structures, reduced the impact on the rapid construction and shaping of the roadbed, and gained sufficient time for road construction.

2.2 Full and rational utilization of resources

Engineering construction requires large quantities of materials. Construction companies must fully and rationally utilize construction material resources by preparing construction schedules to save materials to the greatest extent. use to avoid waste of resources, and at the same time improve the quality selection of materials to ensure the quality of engineering projects and achieve economical and high-quality development of construction projects. When a large amount of a certain material needs to be used, the amount of material used should be controlled within a reasonable range to ensure the balance of material use. Balance the company's resources and materials to avoid peak use of resources, resulting in short-term resource shortages. If the construction company lacks resources during project construction, it will delay the smooth progress of the construction project, thus affecting the construction period. Give full play to the value of human and material resources in the rational formulation of construction projects to increase the economic benefits of the enterprise's engineering projects. Through the formulation of construction plans, resources are maximized and the highest economic value of the enterprise is achieved within the controllable range. During the construction of the Jiuyong project, we strengthened overall management capabilities, adopted unified resource allocation across the board, and dynamically managed and controlled the project progress in a balanced manner.

2.3 Optimizing project construction costs

The cost consumption of engineering projects is different according to different construction technologies and construction sequences. In order to maximize costs, construction companies must use the most effective The way is to reduce the construction cost of the project, but in the process, the absolute safety and quality of the construction project must be ensured. The engineering costs of engineering projects mainly include direct costs and indirect costs. The relationship between construction content and costs has the following characteristics. Construction links with fewer direct costs will consume longer construction time. In order to save the construction period to the greatest extent, high-efficiency construction technology and construction machinery can be selected, but the problem is that it increases the construction cost. If it is maintained within the original construction plan, more manpower and material resources will be invested to improve project efficiency, and the one-time investment of manpower and material resources will increase the direct cost of the project. The planning of the construction period should take the cost into consideration, and give priority to the project sequence with less cost and shorter construction period when formulating the plan. Many projects in the Jiuyong project adopt a combination of permanent and temporary construction to reduce construction costs. For example, the temporary power supply in tunnels and service areas is constructed according to the standard for permanent power use. Although the direct cost is increased, the total cost is reduced by avoiding repeated construction in later operations.

3 Research on Countermeasures to Control the Construction Progress of Engineering Projects

3.1 Conduct comprehensive supervision of all aspects of construction

During the development of construction projects, construction companies must supervise all aspects of construction. Record the relevant data of each link in a timely manner to ensure its accuracy and carry out data statistics. The accurate data will be analyzed in detail, and the construction schedule plan will be adjusted in a timely manner through the fluctuation of data. According to the consumption of engineering materials, labor consumption and related data Develop more accurate project plan adjustments and dynamically reform the construction plan to better adapt to the conditions and problems faced by the actual construction of the project [3].

3.2 Optimize the construction plan and strengthen the correlation between resources and work

When formulating the construction plan for a project, it is necessary to strengthen the allocation of internal resources of the project and formulate a reasonable and scientific allocation plan , clarify the construction sequence and improve the project progress. When formulating the construction plan, it is necessary to strengthen the interrelationship and correlation between the tasks at each level according to the actual construction situation. At different periods of the construction stage, the demand for resources is determined according to the intensity of the workload, so that the resource usage during the project construction reaches Optimize the balance, allocate resources more scientifically and rationally, and improve the efficiency of construction projects while promoting the use of resources by strengthening the correlation between resources and work. During the actual construction process of the construction project, the demand for resources changes in a curve. The curve change requires the construction company to adjust the construction progress through the optimization and comparison of multiple plans when formulating the construction plan to ensure the progress plan of each layer in the project construction plan. Consistent with the resource matching plan and highly relevant to the deployment content of the work.

3.3 Strengthen the dynamic control of project construction links

When a project is carrying out the construction process in accordance with the construction plan, the construction company must conduct construction quality tracking inspections in each work link of the construction, and do Do a good job in collecting information and data, and make timely sorting and judgment on the data information, so as to discover problems and deviations in the construction process and make timely corrections. When conducting data analysis and feedback on project progress, construction project personnel must combine the characteristics and conditions of the construction project, strengthen the use of experience, adopt scientific and reasonable methods to analyze and predict the project status, and effectively and reasonably control the progress of the construction period. Pay more attention to the important and difficult tasks during the construction process, make timely adjustments to the deviations in the engineering data to avoid affecting the progress of the construction period, strengthen the progress control, resource control and cost control of the engineering project, and optimize the engineering plan. Achieve dynamic equilibrium [4].

4 Conclusion

When strengthening project management, construction companies must promote project construction progress through strict control of all links, which puts forward higher technical requirements for construction workers. Requirements and comprehensive quality learning ability requirements. When carrying out project work, construction workers must be familiar with the specific work content, and also need to understand relevant knowledge such as project budgets. In order to strengthen the control over the construction links of engineering projects, construction companies should continuously improve the work content, including strengthening supervision and management and dynamically changing the construction links to ensure that the project progress meets the expected goals. By strictly controlling the construction progress, the Jiuyong Project has greatly shortened the construction cycle, saved management fees and construction period loans, completed the project construction with high quality, and achieved the goal of enhancing corporate brand benefits and maximizing the interests of construction companies.

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