Jiangning 17 key black and smelly river remediation in full operation

During the Spring Festival holiday, Jiangning 17 key black and smelly river regulation began in full swing, construction personnel actively gave up rest, seize the winter and spring favorable opportunities to carry out such basic work as river dredging. A total of 220 million yuan will be invested in the 25-kilometer-long river, and the renovation project will be completed by July.

Jiangning District previously sorted out 68 black and odorous rivers in need of comprehensive treatment, among which 17 Yudaiwei River, Bianan River and other key rivers in the national and municipal examinations. In order to understand the progress of key river regulation, February 1, Jiangning District Party Committee, the main leadership of the district government respectively rate team inspection 17 black river regulation work.

The fifth day of the first lunar month is still the Spring Festival holiday, but the 17 black and smelly river has been fully started to improve, the construction personnel or standing at the bottom of the river dredging, or cleaning up the rubbish on the shore, or paving grass, the site site is a busy scene. In view of the characteristics of black and smelly river channels, construction units have formulated scientifically the river discharge outlet remediation plan, adopted the "one river, one policy" measure, and controlled the source and pollution by retaining, blocking and other measures.

In view of the problems existing in Bianan River, Zhongxin River and Zhuanhe River, Dongshan Street adopts the methods of source control and pollution intercation, internal source treatment, drainage and water replenishment, river dredging and so on to improve water quality. Jiangning Development Zone for 17 black and smelly rivers, unified preparation of plans, unified coordination of construction, in accordance with the principle of treating both symptoms and root causes, formulate a five-step work method of "pollution control and management, internal source dredging, beautification and purification, water diversion, long-term management", and increase the greening of river dike, gradually improve the quality of water environment; Zijin Jiangning realizes the ecological restoration of river through bio-ecological technology.

According to the requirements of the district Party committee and the district government, Jiangning will eliminate black odor and long-term management of the river closely combined, scientific measures to improve the water environment. Part of the river originally formed "gong" shape or "Ding" shape, after the renovation will form regional small circulation, to achieve water interconnection. For example, Yin lane a longitudinal ditch, a transverse ditch, four transverse ditch originally belong to the broken river, the renovation of the construction personnel opened three rivers, formed a small circulation and the introduction of water, so that the river flow up, convenient for long-term management.

The reporter learned that the 17 key waterways above the longest 6 kilometers, the shortest several hundred meters, the total length of about 25 kilometers. During the Spring Festival, all construction units started 17 key river improvement projects.

The dredging project of the basic link is expected to be completed in succession within a month, and the remaining projects such as pollution interception and bank slope regulation will be basically completed in July, completed in October, and accepted for assessment and acceptance in December.

Jiangning District responsible person said, black river regulation is a systematic project, construction units will strengthen communication and coordination, through joint governance, Tongzhi, scientific implementation of remediation projects; By strengthening source control and innovating ways to root out pollution sources, we are determined to win the battle to clean up black and smelly rivers. At the same time, we should strengthen the afforestation and beautification of river dikes, strengthen the long-term management of river channels, and strive to achieve the goal of clear water, green bank, beautiful scenery, smooth road and people's satisfaction.

Source: A1 of Nanjing Daily, February 3, 2017