Method and application of schedule management of water conservancy and hydropower projects?

By analyzing the characteristics of schedule management of water conservancy and hydropower projects, this paper studies the current situation of schedule management of water conservancy and hydropower projects in China, and coordinates the management of construction quality and construction cost in the process of schedule management to realize the smooth construction of water conservancy and hydropower projects.

1 characteristics of schedule management of water conservancy and hydropower construction projects

1. 1 Project schedule management is a complicated work.

In general, an engineering project is composed of multiple construction links and parts, and the professional field of design in engineering construction is wide, which requires the use of multiple disciplines. Because each project has its own characteristics, it is difficult to learn from previous engineering construction experience. In actual construction, we often encounter many unexpected events, which need to be solved by using knowledge and technology. According to this uncertainty, it is difficult and complicated to manage and control the technical performance cost and construction progress.

1.2 Each project has specific management procedures and steps.

In the process of water conservancy and hydropower project construction, each construction project has its own unique characteristics, and the one-off and one-piece nature reflects the construction objectives of the construction project. Therefore, in project management, the management direction and method should be decided according to the specific construction objectives of the project. In addition, each construction project has different construction objectives, which means that it has its own construction process and construction plan.

1.3 project schedule management is project manager-centered management.

There is a certain degree of danger in the construction of water conservancy and hydropower projects, which shows that the construction projects in water conservancy and hydropower projects have certain danger and responsibility. Management is also relatively broad, including manpower, technology, equipment, materials, funds and many other aspects. In the process of management, in order to ensure the authenticity and effectiveness of management, the corresponding project manager should be appointed to take charge of the main management work. The project manager can be given the proper authority to solve the problems in management quickly and effectively.

1.4 apply modern management science and technology to project management.

In the actual project construction, I am good at applying modern science and combining scientific theory and technology with actual construction technology. Through the application of science and technology, we can improve and improve the construction technology by combining multi-disciplinary knowledge and technology, so as to complete the construction task more smoothly, quickly and with high quality. This is also conducive to the scientific, modern and information-based project management.

1.5 implementing dynamic control in the process of project schedule management

Water conservancy and hydropower project is a time-consuming and costly construction project, and there are specific construction objectives in each construction stage. In order to ensure the smooth realization of the construction goal, dynamic control should be carried out in the construction composition of the project, sampling supervision should be carried out on the phased construction situation and construction progress, and the wrong instructions in the construction should be corrected in time to promote the completion of the project construction through scientific management means.

2 Water conservancy and hydropower construction project schedule management status

2. 1 The management method is outdated and the management personnel are bloated.

At present, most managers in the construction team of water conservancy and hydropower projects are still using traditional management methods to unilaterally monitor the construction management of the project, which makes the management not comprehensive and specific, and even leads to poor construction or unreasonable mechanical configuration, resulting in a serious waste of project funds and human resources.

2.2 Technology and economy are still out of touch.

At present, the phenomenon of occupational concretization is widespread for both construction workers and managers. For example, technical operators know nothing about economic management, and economic managers know nothing about technical construction. The prevalence of this situation makes it impossible to carry out coordinated management within the construction project, and the technical and economic analysis is not in place, which leads to many management loopholes in project management.

3 Application example of value engineering in hydraulic engineering machinery and equipment selection

3. 1 application background

Dayakou Hydropower Station is located in Junnong Township, Zhenkang County, Yunnan Province, downstream of Nanpeng River. It is the third cascade hydropower station in the hydropower planning and cascade development of Nanpeng River Basin. The dam site is 26 kilometers away from Nansan Town, Zhenkang County, 566 kilometers away from Xiangyun City and 893 kilometers away from Kunming City. It is 23km away from the upstream Fengweihe Hydropower Station and about 10km away from the downstream planned Hongyan Hydropower Station.

3.2 Investigation, research and data collection

The slopes on both sides of the dam site reach are steep, the valley is V-shaped, the rock wall on the left bank is steep, and the right bank is slightly gentle. The main buildings of the project hub are: RCC hyperbolic arch dam, left bank diversion system and power station. The arch dam crest length is 299.56m, the elevation is 653.00m, the crest width is 5.0m, the maximum dam height is 92.0m, and the maximum sag of upstream and downstream surfaces is 0.23 and 0.00 respectively. The slope of dam site is 25 ~ 35, and the slope of workshop is15 ~ 30. Among them, the topography of the left and right banks upstream of the dam site is relatively gentle, and some strip platforms are distributed in the Ma Lu water depression about 800m downstream of the right bank. There is a slightly flat ribbon platform beside Changba Highway on the upstream of the left bank of the workshop. The above sites can be used as construction layout sites. About 500 meters downstream of the left bank of the dam site, the terrain is steep and the construction layout is difficult.

3.3 Functional analysis

By summarizing the basic situation of Dayakou hydropower station construction, we know that it is more important to understand and prepare the terrain and environment when carrying out water conservancy and hydropower project construction. According to the actual situation on site, select the appropriate machine type, staffing and construction technology, formulate a detailed construction plan, and summarize and scrutinize the construction tasks and objectives of each construction stage as a whole according to the construction plan. Project construction funds are mainly reflected in rental fees, installation fees, transportation fees and miscellaneous service fees. We can also refer to the rental expenses as use expenses, including equipment rental expenses, personnel expenses, materials expenses, etc. The rest includes environmental protection expenses, maintenance expenses, transportation expenses, etc.

4. Opinions and suggestions on effectively controlling the progress of water conservancy and hydropower construction

4. 1 Reasonable overall planning of construction progress

Before construction, the construction personnel should have an overall understanding of the location, conditions and surrounding environment of the construction site and form a concrete concept of the project construction scale. In addition, it is necessary to know something about the arrangement of construction personnel, so as to make careful and scientific arrangements and help to successfully complete the construction task.

4.2 improve the comprehensive quality of water conservancy and hydropower engineering construction personnel

It is necessary to focus on the professional skills training for the construction personnel involved in the first-line construction, and provide the construction skills of the construction personnel and the ability to solve emergencies during the construction process. This is also conducive to improving the overall quality of engineering construction, forming standardized operations and facilitating unified management.

4.3 Rational use of network planning technology

In the process of project schedule planning and analysis, we should be good at using network technology to optimize the construction schedule, which can also form a reasonable allocation of resources and reduce the construction cost, and is also an effective means of project control.

4.4 Strengthen construction safety

Strengthening the safety awareness of construction personnel is a key issue in engineering construction. There are certain risks in the construction of water conservancy and hydropower projects, and the construction unit and the construction unit should bear the corresponding risks and responsibilities. At the same time, enhancing the safety awareness of construction personnel plays an important role in reducing risks. Conduct centralized training for construction personnel before construction, and take safety knowledge and safety operation norms as the main contents of training. In actual construction, if there is a construction link with increased risk factor, try to reduce manual construction and carry out mechanical cooperation; It is also necessary to place obvious safety warning signs in dangerous places to remind construction personnel of construction safety at all times.

4.5 Strengthen the control of materials and equipment

First of all, we should control the building materials used in construction. According to the provided project construction plan, inspect the quality and model of materials to avoid the influence of material quality problems on the project progress; Secondly, in the storage stage of materials, standardized control should be carried out. In the trial preparation stage of building materials, centralized storage is usually carried out, but different kinds of materials are forbidden to be mixed and piled up to avoid mutual corrosion between different materials and seriously affect the quality of materials; Finally, if there is a need to use materials in the project construction, you must apply in advance and make a specific estimate of the number of applications to avoid the waste of materials. In addition, in the construction process, it is necessary to select suitable materials and equipment according to the actual construction needs to realize mechanized construction, and at the same time, it can greatly improve the construction efficiency and speed up the construction progress.

To sum up, project schedule management is an important part of project construction management, and it is also closely related to the construction efficiency and quality of the whole project. The schedule management of water conservancy and hydropower projects is inseparable from the interests of the construction unit. Therefore, the construction unit should assist the construction unit to do a good job in project schedule management, strengthen management, improve management quality and optimize the overall construction of the project.

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