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National Project

Classic Case

Zhuhai Sponge City

 Pilot project profile

  Western Central City District and Hengqin New District will be the pilot demonstration areas.

 Western Central District demonstration areas include Central Area and Golden Bay Area, total area is 248.18 square kilometers. Establishing sponge water system, sponge wetland system, sponge cascade wetland system, sponge plant system, sponge road system and sponge park green space system are the main sponge measures.

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 Hengqin New District demonstration area is east to the Huandao East Road - the Huandao South Road - Wanli East Road - Yiwen second Road, south to the first cross-Hengqin mountain ridge line, west to the Modaomen Water Road, north to the Huandao North Road - Guifeng Road - Qinhai North Road, total area is about 20 square kilometers. Taking into account about the area integrity, approximately 50 km area around the center river as a demonstration area of the study scope. In addition, in accordance with the principle of “local conditions, zoning control”,it will set up five functional areas partitions: Residential area sponge city construction demonstration area, public building sponge city construction demonstration area, industrial land sponge city transformation demonstration area, sponge mountain restoration demonstration area, ecological wetland sponge recovery demonstration area.

    Sponge drainage system planning goals: 1. By 2020, more than 20% of Zhuhai built-up area reach the goal requirement of the annual runoff control rate. By 2030, more than 80% of Zhuhai built-up area reach the goal requirement of the annual runoff control rate. 2. By 2020, the annual rainfall runoff pollution reduction rate reach 35%. 3. Drainage pipe net standard. Central city standard: the rainwater drainage return period of Central city district and Hengqin New District, as well as Kejiao City, Binjiang City, Hangkong City, Fushan City, Haigang City is 3 years standard. Important area standard: the rainwater drainage return period of this area which include the south of Cuixiang Road,  the east of Fenghuang Road and Kangning Road, the north of Renmin road and Haibin south road, the west of the Qinglv road is 5 years standard (People's Hospital is on the higher terrain, it keeps the rainwater drainage return period of 5 years);The area of Jingshan Road, Haibin South Road, Jiuzhou Avenue and the area of Yuehai Road, Guihua South Road, Zhuhai-Macao Boundary Channel and Qinglv South Road are important trade and transportation area and customs clearance ports in Zhuhai City Center, this area rainwater drainage return period is 5 years standard. Wanzai Cross Gate Business District of Nanwan City is an important center of the city center. This area rainwater drainage return period is 5 years standard.

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