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1. Necessity and feasibility of management, development and management

(1) Necessity of comprehensive management of inland river

1. Need of flood control and safety

Inland river is located in the hinterland of downtown city, with high density of residents along the coast, high concentration of social wealth, prosperous business and developed economy. Once it crashes, it will bring hundreds of millions of yuan of economic losses to the coast.

2. The need to tap the potential of urban resources.

Optimizing the allocation of urban resources to the maximum extent is the primary task of city management. Inland rivers run through the golden zone of urban areas, and the concept of city management is adopted, so that this unique and rare water and soil resource in urban areas can bring greater social benefits and generate more economic benefits.

3. The need to improve the city's taste, improve the investment environment and increase the city's competitiveness

To build a "strong city in economy, a famous city in culture and a big city in ecology" is an inevitable choice and a necessary requirement for building a regional mega-city and social and economic development.

4. Beautifying the city and benefiting the residents is the need to build a harmonious city and improve the quality of life of residents.

Carry out systematic management and development, and build a beautiful home with harmony between man and water and harmony between man and nature.

5. The need to create a garden city and a sanitary city.

(2) Feasibility of comprehensive river management

1. River management is the expectation of the general public in the city and a pragmatic move to benefit the people. The Jinzhuang Reservoir under construction provides unique conditions for river management; The operation of urban sewage treatment plants also provides a guarantee for the sewage treatment of inland rivers.

2. The biggest constraint factor of urban river comprehensive management-capital, using market-oriented operation, development construction, turning resource advantage into capital advantage, transforming the investment subject from the government to the city operator, exploring a new mode of diversified investment and operation of the city, so that ecological construction and management and development complement each other.

3. Demolition and resettlement, the key factor of comprehensive management, can focus on developing affordable housing near the scenic spot according to the number of Qian 'an, and demolish and resettle while building to ensure the smooth implementation of management and development.

4. City leaders attach great importance to the comprehensive river management and development in the downtown area of the city.

the development and management of inland rivers will help to improve the spiritual and cultural quality, inherit the life of rivers, promote the construction of spiritual and material civilization in cities, and achieve ecological, political and social civilization.

II. Standards, principles and basis for comprehensive management

1. Standards for comprehensive management: the base year for comprehensive management of inland rivers is 2114, the planned near-term horizontal year is 2111, and the long-term horizontal year is 2121. The recent flood control standards are once every 21 years and once every 51 years.

comprehensive management concept: water resources are converted into water capital, so that water resources can be integrated into the economic cycle and realize value in market operation activities, and water can be used to promote water and rivers can be used to control rivers.

2. Governance objectives: to ensure the flood discharge capacity of river courses, control pollution, improve urban environment, shape landscape features, revitalize regional land, promote urban renewal, enhance urban taste, increase urban vitality, and ensure the sustainable balance between economic development, flood control safety and ecological environment. Really achieve "beautiful water, green shore, new landscape, smooth river, auspicious people and prosperous economy".

3. Principle of comprehensive management:

(1) Adhere to and implement Scientific Outlook on Development, put people first, develop in an all-round, coordinated and sustainable way, realize the harmony between people and water, serve economic construction and urban construction with the protection, utilization and allocation of water resources, and restore the healthy life of rivers.

(2) adhere to the principle of "overall planning, overall consideration, tackling both the symptoms and root causes, and comprehensive management", combining the promotion of benefits with the elimination of pests, combining management and development, combining engineering construction, ecological construction with sewage treatment, subordinating local interests to overall interests, and gradually improving the flood control engineering system and regional ecological environment system.

(3), to ensure the key points, the combination of point and line, with point and line, giving consideration to the whole line. Governance while developing, promoting development through governance, ensuring governance through development, combining governance with development, and rolling development.

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Forgotten Wind

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(4) The comprehensive management planning scheme strives for better social, ecological and economic benefits, and realizes "win-win" of resource value promotion and comprehensive management benefits.

(5) in the management, the river safety function should be given priority, environmental protection should be given priority, the whole system should be given priority, and the market should be oriented, so as to give priority to land use and create land appreciation.

(6) In terms of implementation, the combination of the near and the long term is adopted, and the short-term implementation is the main way to ensure the order and operability.

(7) At the same time of comprehensive management, we should manage according to law and combine construction with management.

III. Comprehensive management planning scheme

The comprehensive management planning of inland rivers mainly includes: flood control safety planning of rivers; Water environmental protection planning; Ecological construction and landscape planning; Planning for the development and utilization of resources along the river; Demolition and resettlement planning.

(1) River flood control safety planning

Design dike line: the calculation basis of the design water surface line. According to the field survey, the existing dike line is basically reasonable, and the banks are covered with buildings, so the original dike line is basically kept unchanged and the regulation is carried out according to the existing dike line.

control section: based on the existing river course, after dredging and riverbed regulation, the design standard flood can pass, and the dike is raised less or not on the basis of the existing elevation, and the riverbed width is controlled by sections. If it is smaller than the control section, the control section shall be widened according to the design, and if it is larger, it shall remain unchanged.

reconstruction of water-blocking bridge: calculate the effective flood discharge section according to the design water level, and adopt the methods of adding holes and expanding the river section to make the bridge backwater be solved by increasing the water-crossing section.

planning of drainage pumping station: drainage culverts will be set at the inlet of storm sewer and tributaries, and drainage stations will be built at the intersection with tributaries.

backwater structure: a backwater dike will be built in the near future, and a flood gate will be built in the long term. When the Baihe River encounters a once-in-a-century flood, the flood gate will be closed to prevent the backflow of the Baihe River. To prevent waterlogging, it is necessary to add drainage pumping stations.

(II) Water environmental protection planning

Water environmental protection, creating hydrophilic space, sewage interception on the shore, focusing on pollution control.

pollution control project: the drainage system of inland river adopts the split-flow system, rainwater is discharged into the nearby inland river and flows into the Baihe River, and sewage is transported to the sewage treatment plant for purification through sewage pipes, so as to realize the sustainable development and utilization of water resources.

pipeline layout: sewage pipelines in the built-up areas of dikes on both sides of the inland river are arranged downstream under the green belt, and the unfinished areas of Chezhan North Road are arranged under the platform. Finally, it is connected to the inspection well W-125 of the sewage pipeline of Baihe No.4 Dam, and the sewage is discharged to the sewage treatment plant.

(3) ecological construction and landscape planning

ecological construction and landscape planning include green space system with riverside green space as the main part, landscape system with theme park as the main part, waterscape world, water park and water scenery with small bridges as the main part.

Ecological gardens with linear waterscape are set up along the banks of the river. In the green waterscape corridor along the river, diversified theme parks are embedded near the main nodes to promote history, culture and spirit, so as to realize the combination of history and reality and the blending of culture and landscape.

water is the spirit of the city, and water is the life of the river. Three-stage rubber dam is planned to form an effective green water surface.

The first-class rubber dam is built in Sangu Bridge to retain the river water, form a green water surface with an effective area of 51,111 m2, and set up a garden to provide the citizens with an eco-friendly leisure space.

A second-class rubber dam will be built downstream of Qiyi Road Bridge, and the water will return to Jianshe Road. The piano sound and underwater sound complement each other, creating a new landscape of Qiyi Garden.

a three-stage rubber dam will be built at the upstream of Futong Bridge in the city gear factory, and the water will return to National Highway 312.

In the construction of Luqiao-Guangwu Luqiao section, the river ecological construction, natural water surface and landscape

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forgotten wind

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architecture and amorous feelings green space are blended to create a waterscape world.

The section from Hekou to Sangu Bridge, relying on the inland river, combines vegetation protection and green space construction, and provides people with a kind and pleasant waterfront leisure space-cultural park through the organic combination of high-quality landscape, cultural facilities and traditional waterfront open commercial facilities;

Qiyi Road Bridge ~ Wenhua Road Bridge has transformed the existing Qiyi Garden to improve its taste;

build a waterscape world from Luqiao to Guangwu Luqiao;

312 National Highway Bridge ~ Jinzhuang Reservoir Planning "Between Heaven and Earth" Garden designed by Chongqing University.

(IV) Development and utilization planning of land resources along the river

The main land on both sides of the inland river are residential land, cultivated land, industrial land, commercial land and municipal land.

The development measures of each section are planned as follows:

1. Estuary to Sanguqiao: Around the Cultural Park and on the east side of the river, high-rise, small high-rise and multi-storey semi-enclosed hydrophilic residential quarters will be built.

2. Sanguqiao ~ Gongye South Road: The land resources of Hongmiao Village on the west bank of the inland river are reorganized to provide residents with housing projects.

3. Qiyi Road and Bridge ~ Wenhua Road and Bridge: Through reasonable land resources reorganization, the official village will be appropriately demolished, and multi-storey and waterfront small high-rise hydrophilic residential quarters will be arranged to provide residents with housing projects, and the existing garden will be re-elected to improve the landscape quality.

4. Zhongzhou Luqiao-Xinhua Road: The existing riverbank is relatively complete, and it is located in the commercial area. Open waters, landscape bridges and antique commercial buildings are used to decorate the cultural and commercial streets of Han and Tang Dynasties with green landscapes and sculptures.

5. Bayi Road ~ Road and Bridge Construction: the city Zhouzhuang that reproduces the beautiful bridges, flowing people and water villages.

6. Road and Bridge Construction ~ Guangwu Road and Bridge Construction: Sun City Business Plaza will be built in the golden location where the three districts meet. Through the combination of water body, landscape architecture and amorous feelings green space, we will create a waterscape world and starlight square, and create a new chapter in the development and regulation of urban inland rivers.

as the first phase of the project, this section is mainly implemented, because Sun City Business Plaza is located in the center of three vertical and three horizontal crosses in the urban area, which not only plays the role of a landscape hub, but also has a commercial radiation effect on the surrounding counties and cities and the adjacent areas of Henan, Hubei and Shaanxi, and the project funds have been put in place, and the main demolition tasks have been completed.

7. Gongye North Road Bridge ~ Futong Bridge: A residential area will be built on the east bank of the inland river, and a residential area mainly consisting of multi-storey houses will be built.

8. jiaozhi railway bridge ~ 312 national highway bridge: carry out overall waterscape greening and develop high-grade residential area qinmeiyuan.

9. National Highway Bridge 312 to Jinzhuang Reservoir: The whole waterscape will be afforested, and a low-density high-grade stacked villa area, Shumei Garden, will be set up near the garden between heaven and earth.

(V) Demolition and resettlement planning

Demolition and resettlement scope: the dikes, sewage pipes, green belts, theme parks and land development along the estuary to Jinzhuang Reservoir need to be demolished and resettled.

Meixi Hantang Commercial Street has a green belt with a width of 11 meters, a traffic road with a width of 11 meters and antique buildings with a width of 12 meters on both sides of the river.

waterscape world, the current river course is regulated and waterscape development is carried out without demolition and occupation.

In the small bridge and flowing water residential area, a 5-meter-wide, 11-meter-wide green belt and 12-meter-wide oriental building will be built along the banks of the river.

other residential areas and high-grade villas covering Sun City Business District, waterfront commercial and high-grade residential buildings, Hongmiao Village residential buildings, Guanzhuang real estate development, theme park construction, Industrial North Road Bridge-Jinzhuang Reservoir.

relocation compensation: there are two types of compensation, one is housing compensation, which uses the developed economic housing to compensate and resettle the relocated households' housing in kind, and the other is economic compensation using the development profit of high-grade commercial housing.

IV. Implementation ideas

The project has a large investment, many relocation tasks and a long implementation front, and it will be implemented by stages and sections based on the principles of order and operability.

in the first phase of the comprehensive treatment project, the Sun City business district and waterscape world, where funds have been secured and conditions are ripe, will be completed, and riverbeds, dikes, dredging and drainage pumping stations, etc. will be rectified according to the recent standards, and sewage pipelines in the upstream section will be buried.

the second phase of the comprehensive treatment project, utilizing the benefits and experience gained from the development in the first phase, regulates the dikes, dredging, riverbed, laying the whole sewage pipeline, building linear ecological gardens and theme parks, and developing water areas in the section from Baihekou to Jianshe according to the recent standards, and completes the construction of the estuary-commercial and high-grade residential buildings on the waterfront of roads and bridges, residential buildings in Hongmiao Village, real estate development in Guanzhuang, high-grade walking, leisure shopping and sightseeing streets, and leisure homes for people with small bridges and flowing water.

the third phase of the comprehensive management project will utilize the economic benefits of the second phase to improve the construction of dikes, dredging, riverbed, linear ecological gardens and theme parks from Guangwu Road to Jinzhuang Reservoir according to the recent standards, and develop the residential quarters and high-grade villas of Jinzhuang Reservoir, a bridge of industrial north road.

in the fourth phase of the comprehensive management project, the dikes, flood gates, drainage pumping stations, etc. in the whole section from Baihekou to Jinzhuang Reservoir will be treated according to the long-term standards by using the economic benefits of the third phase.

Conclusion

1. To build a strong economic city, a famous cultural city and an ecological city, the central city should be ahead. Therefore, it is necessary to explore new ideas for managing the city, use the market operation, enhance the value of resources, make up for the project investment, create a beautiful environment in which people and nature live in harmony, attract high-level talents, attract funds and attract many entrepreneurs to settle in the city.

2. The comprehensive management of inland river is the need of urban flood control safety, tapping the potential of urban resources, improving urban grade, improving investment environment, increasing urban competitiveness, beautifying the city and benefiting residents. It is not only necessary but also feasible to turn resource advantage into capital advantage and explore a new mode of diversified investment and operation of cities.

3. The city is a famous historical and cultural city. Under the leadership of the city leaders, the economy has made great progress. Seven inland rivers have been transformed into a new regional landscape axis, ecological axis and development axis of the city, just like seven color chains and the Baihe River. The theme parks along the river are as dazzling as pearls embedded in the color chains, creating a new city with characteristics.