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The day before, Qingdao city planning of Qingdao issued a special sponge "(2016 - 2030)", the 75% local utilization of rainwater, by the end of 2017 to eliminate the built-up area of the smelly water.

2016 to declare the city of sponge construction of 20 pilot cities, the primary election, there are 17 cities to obtain competitive assessment. April 22nd afternoon, the competitive assessment, the second batch of 14 batches of Qingdao City, the construction of a pilot sponge.

Qingdao City, the construction of a pilot project duration of 2016 - 2018, the total construction investment of 4 billion 880 million yuan. In 2016 on the basis of previous work, expand the scope of the study of engineering and technology demonstration projects, and different types of construction, a total investment of 1 billion 910 million yuan; in 2017 a large area promotion, investment of 1 billion 880 million yuan; 1 billion 80 million yuan investment in 2018.

Based on the bank status, increase or expand the trunk river waterfront landscape, appropriate to increase the buffer shoreline width of not less than 20 meters, for residents hydrophilic space and meet the requirements of flood control, close to the bank, the Construction Bank of not less than 20 meters of green belt, is a three-dimensional ecological system with the combination of trees. In the urban inland river section, the functions of flood control and urban landscape. At the bottom of embankment with gravel reinforcement, ensure the stability of embankment.

Transformation of levees, ecological construction of inland shoreline, function and Ecosystem Reconstruction Based on flood control. The anchor of the geotextile is fixed on the embankment slope or vertical surface, the geotextile surface to improve the ecological situation of planting turf embankment.