Practice of project management in the whole process of hydropower station?

Abstract: Luojiahe Hydropower Station Project implemented by Guizhou Zhongshui Construction Project Management Co., Ltd. is a typical model of whole process project management. This paper introduces the practice and achievements of the whole process project management of Luojiaohe Hydropower Station.

With the progress and development of science and technology, the continuous maturity and perfection of project management concepts and the wide application of project management tools, project management has achieved practical results in all walks of life. However, different industries have different particularities. For the hydropower station project, the requirements of soil and water conservation and environmental maintenance are strict, the project covers a large area, the reservoir is flooded, many people are involved, the construction procedure is complex, the construction season is strong, and the construction environment is difficult. If one of the links is missing or poorly managed, or the surrounding environment is not handled properly, it will affect the normal development of the project construction, delay the project construction cycle, increase the project investment and delay the fund recovery of the project investors. Therefore, it is particularly important to apply the knowledge and concept of project management to the implementation and management of hydropower station construction.

Luojiaohe hydropower station project is a small hydropower station entrusted by the owner to Guizhou Zhongshui Construction Project Management Co., Ltd. (hereinafter referred to as Zhongshui Company) to build in the whole process project management mode. After accepting the entrustment, Zhongshui Company conducted project design demonstration, improved project examination and approval procedures, made construction preparations, organized construction bidding, and set up on-site project management department to conduct construction management, reservoir inundation compensation and power station trial operation on behalf of the owner. Management practice has proved that the progress, quality, safety, environmental protection and investment of power station construction projects have been effectively controlled. In the case of tight construction period and heavy tasks, the project was successfully completed and power generation was advanced, which achieved remarkable economic and social benefits. The successful practice of the whole process project management of Luojiaohe Hydropower Station is of great practical significance for Zhongshui Company to further implement and standardize the project management.

1 Project Management Performance of Luojiaohe Hydropower Station

1. 1 project overview

Luojiaohe Hydropower Station is located in Shuangshan Town, Dafang County, Bijie Prefecture, Guizhou Province, and belongs to the seven-level hydropower station developed by the mainstream of Baifu River. The installed capacity of the power station is 2× 10MW, the total reservoir capacity is 46.5 million m3, and the maximum dam height of hyperbolic concrete arch dam is 81m. The project is Grade III, the power station is a small (I) type power station, and the reservoir is a medium-sized reservoir. After the completion of the power station, the annual power generation is 69.6 million kW·h, which plays a peak-shaving role in the local power grid. It will also improve the power generation guarantee rate of the downstream Dongfeng Power Station and Duijiang Power Station, increase the power generation efficiency, form a pattern of mutual assistance between water and fire in the local power grid, improve the quality of power supply, and provide a strong guarantee for the water intake of Dafang Thermal Power Plant, which is "Power Transmission from West to East".

The owner of Luojiaohe Hydropower Station Project is Guizhou Zhongshui Energy Development Co., Ltd. According to the Contract Law of People's Republic of China (PRC), the Construction Law and the relevant laws and regulations of water conservancy and hydropower construction, with reference to the Interim Measures for the Pilot Project of General Contracting of Design Units in Guizhou Province (Qian Fa [1992] No.05/KLOC-0) and the Guiding Opinions of the Ministry of Construction on Cultivating and Developing General Contracting and Project Management Enterprises.

1.2 Practical achievements in project management of Luojiaohe Hydropower Station

In the construction of Luojiaohe Hydropower Station, after analysis and research, Zhongshui Company thinks that the project approval and the concrete hyperbolic arch dam with a height of 8 1.0m are the key factors restricting the construction progress. In order to speed up the project approval process, Zhongshui Company will also bring the external environment that restricts the normal development of the project construction into the unified management of the on-site project management department, and build a harmonious and friendly external environment, which is conducive to project approval; In order to speed up the dam pouring, it is decided to adopt the internationally advanced MgO micro-expansive concrete rapid dam construction technology. After more than a year's efforts, the Luojiaohe Hydropower Station was completed ahead of schedule and generated electricity safely, which satisfied the project investors to the greatest extent. The achievements of the project management practice of Luojiaohe Hydropower Station are as follows:

(1) The project approval procedures are fast, so that the project can be legalized in the shortest time.

(2) The reservoir inundation compensation shall be made in time for the project.

(3) The construction period is 345 days, which is shorter than similar projects at home and abroad.

(4) The project quality meets the requirements at one time, and the one-time power generation is connected to the grid successfully.

(5) The internationally advanced MgO concrete rapid dam construction technology has been successfully adopted in this project.

2. Practice of whole process project management

During the whole construction of Luojiaohe Hydropower Station, Guizhou Zhongshui Energy Development Co., Ltd., as the owner, only registered the implementation of the project, and all the project management work was completed by Zhongshui Company. That is, the international general contracting mode of EMPTURNKEY is implemented, that is, Zhongshui Company [1] carries out all-round and whole-process project management of the whole project life cycle from project concept stage to design stage, implementation stage, closing stage and warranty maintenance stage. Zhongshui Company actively builds a harmonious and friendly external environment, organically combines design, construction, supervision and other participating units, closely combines and coordinates with each other, and forms a large team with great centripetal force, so that the project can be promoted according to the established goals. In the whole process of project management, Zhongshui Company puts forward that project environment is the key, design is the forerunner, construction is the main body, supervision is the command, and project management company is the leading service role. At the same time, in accordance with the principle of effective service, coordination, supervision, control and management, we will strive to do a good job in project approval, design, land, investment, progress, quality and safety management.

During the implementation of Luojiahe Hydropower Station project, Zhongshui Company attaches importance to the understanding of the connotation of project management, and guides the implementation and operation of the whole construction project with the concept, organization, methods and means of project management discipline. Attach importance to the important role of project organization, and straighten out and handle the relationship between project parties, owners and project managers representing the interests of owners; Attach importance to the role of goal planning in project management, reasonably formulate the realization goals of each management stage and control them effectively; Pay attention to the importance of effective service control management in the whole project implementation process to ensure the realization of project objectives; Attach importance to contract management, design, construction, materials and equipment procurement, etc. Strict contracts are signed after bidding, and effective control is carried out to ensure the realization of project objectives.

The project management of Luojiaohe Hydropower Station is a typical model of the whole process project management.

2. 1 project approval

According to the Decision of the State Council on the Reform of Investment System (Guo Fa [2004] No.20) and the Notice on Printing and Distributing the Interim Opinions on the Approval of Investment Projects in Guizhou Province (No.20041KLOC-0/73), the approval system and filing system are implemented for projects that enterprises do not use government investment.

There are many special reports needed for the project approval of Luojiaohe Hydropower Station, involving dozens of departments such as water conservancy, environmental protection, land, immigration and forestry, as well as governments at various levels such as villages, towns, counties, prefectures, provinces and the central government. There are many units and departments that need coordination, and the span is large. Zhongshui Company fully understood and analyzed the importance and arduousness of this work, effectively planned, executed, tracked and coordinated the project approval by using mature and professional management talents (and teams), and completed all the 13 special procedures related to this project in a short time, creating the necessary preconditions and environmental conditions for the smooth construction of the power station project.

2.2 Project design management

In order to successfully complete the survey and design task of Luojiahe Power Station project, Zhongshui Company effectively managed and controlled the survey and design work in the whole process, and provided necessary assistance and services for the design, so that the design work was carefully designed, drawings were provided in time, and close cooperation was provided, which provided a strong guarantee for the realization of the investment, progress and quality objectives of the whole project.

In order to adopt the internationally advanced technology of rapid dam construction with MgO-doped micro-expansive concrete, Zhongshui Company provided funds for material research and test, and entrusted the Structural Institute of China Research Institute of Water Resources to carry out three-dimensional finite element simulation calculation, which provided the design basis for the dam. The company hired experts in materials, scientific research, design and construction to consult, and some experts were also hired as consultants. These measures combine design with new technology well.

The quality of design work is directly related to the investment control, schedule control and quality control of the project. The management and design of the project management department are the key points. Analyze the relevant investment parts in various design documents, and require the design to control the total investment of the project within the scope of the total investment plan on the premise of ensuring the quality of the project; Arrange the design drawings reasonably and effectively, list the drawing plan, and ensure that the design progress meets the needs of bidding, material and equipment procurement and construction; In the design quality control, the engineering personnel of each major in project management read and analyze the drawings in detail on the basis of in-depth understanding of the owner's requirements, and find and solve problems in time; Organize experts to demonstrate and solve important details and key problems; The construction design stage is rich in information and complex in content, and the whole design process is always in the state of information exchange. Through information management, the relationship between design and related equipment manufacturers, as well as the relationship between professional designs can be coordinated in time. The design representative will stick to the construction site from beginning to end and solve any problems in the construction process in time. This is from the perspective of management, aiming at the management of important links.

Good design is the basic guarantee for building Luojiaohe Power Station into a high-level project with novel design, complete functions, reliable structure, excellent quality, reasonable economy and harmonious environment.

2.3 Forestry compensation management of land occupied by the project

In the construction of Luojiaohe Hydropower Station, the first problems to be solved are land occupation and forest expropriation. Zhongshui Company strictly abides by the Regulations on Land Management in Guizhou Province, the Notice of the Provincial People's Government on Strengthening the Land Acquisition Management of Key Construction Projects, and the Measures for the Administration of Compensation for Requisition and Occupation of Woodland in Guizhou Province and other relevant laws and regulations. In the process of implementation, according to the requirements of project management, with the support and cooperation of local government, Land and Resources Bureau, Forestry Bureau, Immigration Bureau, villages and villagers, relevant formalities and land survey registration were carried out, and all the work was completed in a short time.

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