What is the basis of investment estimation in the current feasibility study report of water conservancy projects?

1. Comprehensive description: overview, project construction conditions, project tasks and scale, scheme comparison, project construction and investment estimation, economic parity and comprehensive evaluation conclusion, and suggestions for future work. 2. Hydrology: general situation of river basin, meteorology, hydrological station and basic data, runoff, flood, relationship between water level and discharge downstream of dam site, sediment, ice removal and automatic hydrological forecasting system. 3. Engineering Geology: overview of exploration work, regional geology, engineering geological conditions of reservoir area, engineering geological conditions, evaluation and comparison of hydraulic structures at upper and lower dam sites, natural building materials, engineering geological conclusions and suggestions. Task and scale of the project: socio-economic development of the region, necessity of project construction, comprehensive utilization, flood control, urban and industrial water supply, irrigation, power generation and aquaculture. 5. Project site selection, project layout and main buildings: project classification and standards, project site selection, general layout, main building forms and main buildings. 6. Electromechanical and metal structure: hydraulic machinery, electrician, electrical primary, control, protection and communication, electromechanical equipment layout, metal structure. 7. Project management: management organization, staffing, management methods, project management regional planning and facilities. 8. Construction organization design: construction conditions, construction diversion, main project construction, general layout of construction and general progress of construction. 9. Reservoir inundation treatment and permanent land occupation of the project: the scope and physical indicators of inundation treatment, resettlement, reconstruction of special facilities, cleaning of reservoir bottom, inundation treatment and investment estimation of permanent land occupation of the project. 10. Soil and water conservation: the prediction period of soil and water loss, the scope of responsibility for prevention and control, the land area damaged by engineering construction disturbance, the possible amount and harm of soil and water loss, the guiding ideology and basis, principles and objectives of making the plan, the division of soil and water conservation prevention and control and the overall layout of soil and water conservation, soil and water conservation facilities, and the implementation guarantee measures of the soil and water conservation plan. 1 1. Environmental impact assessment: the impact of the project on social environment and natural environment; The impact of the hub project on the local climate; Analysis of the influence of the hub project on the downstream plant community; Environmental impact analysis and protection measures during construction; Environmental protection investment estimation; Comprehensive evaluation and conclusion. 12. Investment estimation: project overview, compilation description and main economic indicators. 13. Economic evaluation: overview, national economic evaluation, financial analysis, calculation of maximum loan capacity and comprehensive evaluation.