citizen, lives in a residential area in Nansha Street, Nansha District. There is a 10-meter-wide "Jinzhou Chung" outside the residential area. Beautiful waterfront footpaths have been built on both sides of the river, with a large number of green plants.
However, this small river, which is now very pleasant in the mouth of residents, also has stories. In the past, it had troubled Mr. Guo and his neighbors.
It is understood that Jinzhou Chung is located in the north of Nansha Street in Nansha District, with a total length of 6838 meters, connecting Humen Waterway in the east and Jiaomen River in the west, which undertakes the flood control and drainage functions of the area. In addition, the number of drainage units such as residential areas and commercial plazas on both sides of the river is up to 39, and the water environment of the river also plays an important role in improving the regional living environment.
sewage come from? Why does love appear on rainy days? Nandu reporters also visited Jinzhou Chung when the water body was black and smelly. They saw that the water body in the western section of Jinzhou Chung was black, and there were white foam and other impurities on the water surface. They could smell a strong odor on the shore. Most passers-by covered their mouths and noses to speed up their pace.
During the reporter's visit, Mr. Guo expressed the urgent hope of the surrounding residents for the improvement of the water body of Jinzhou Chung. In response to the public's appeal and media attention, Nansha District launched a comprehensive renovation of Jinzhou Chung in response to the spirit of
"embroidery" governance
, and achieved remarkable improvement. Nandu reporters learned that the problem of water pollution in Jinzhou was mentioned by the local environmental protection department several years ago, and the rectification work was repeatedly put on the agenda. Zhou Ying, a member of the Party group and deputy director
of Nansha Water Bureau, told reporters that although it is only a few kilometers long river, every problem involved is full of challenges, and every detail needs to be taken seriously with an "embroidery" attitude.
According to reports, the sewage treatment action carried out in Jinzhou Chung is mainly divided into two directions, namely, comprehensive treatment of the project and treatment of the source of sewage.
Difficult problem: Is the hardware of the river not up to standard?
Zhou Ying told reporters
that this led to the poor mobility of the whole river at that time, and that "living water" was easy to become "stagnant water", which further magnified the impact of combined sewage overflow on the water quality of the river in the rainy season.
To this end, the District Water Affairs Bureau took the lead in organizing relevant departments to carry out comprehensive treatment of Jinzhou Chung, to implement the dredging and bank expansion project for the whole section of Jinzhou Chung, and actively communicate with the owners along the coast to "give up one or two meters of the bank" and open the river patrol channel.
After the dredging and bank expansion project, the average section width of Jinzhou Chung reached about 18 meters, which greatly improved the fluidity of the water body. On the one hand, the opening of the river patrol channels on both sides of the north and south provides a place for leisure activities for the masses, on the other hand, it also solves the problem that the daily patrol channels of the river length are not smooth, and can find the problems along the river more quickly and accurately.
The District Water Affairs Bureau adopts the concept of ecological riverbank construction to enrich the waterfront space on both sides of the river, including a hydrophilic rainwater and flood garden, which not only increases the volume of river regulation and storage, but also endows Jinzhou Chung with more natural and ecological aesthetic feeling.
She said that the sewage system on the shore is divided into two parts, one is the public drainage facilities, which are maintained and operated by the district drainage company according to its duties, and the other is the self-use drainage facilities within each drainage unit, which are maintained and operated by the property service person or professional unit entrusted by the property owner. At present, there are 39 drainage units with residential areas and commercial plazas as the main body
along Jinzhou Chung, with a high population density, which also brings a large demand for the discharge of domestic sewage. After investigation, the
Water Bureau found that due to the early completion of some residential areas, the internal drainage network was affected by the uneven settlement and fracture of the foundation and the misconnection of drainage households, and the effect of rain and sewage diversion and the drainage function of the pipeline were greatly reduced. In case of rainy weather, the sewage accumulated in the internal pipeline of the residential area will be mixed with rainwater and discharged into Jinzhou Chung. This is also one of the main reasons for the perennial occurrence of black and odorous sewage in Jinzhou Chung.
"The geological conditions of the soft foundation in Nansha are congenitally deficient, and the settlement is more obvious than that in other places, which can easily crack the public drainage network or cause the deformation and collapse of the network." For this reason, Nansha Water Bureau innovatively adopts the method of "virtual bill of quantities" to invite tenders to determine service units, and repairs the prominent hidden dangers of public drainage network found in the investigation at the first time.
Difficult Problem: Is It Difficult to Rectify the Problems of Drainage Units? In Zhou Ying's view, the governance of Jinzhou Chung "is not a water Bureau covering the whole world", we need to take the river and lake length system as the grasp, take the district river length office as the lead, and give full play to the strength of various functional departments to promote rectification. Although
39 drainage units are all along the coast of Jinzhou Chung, the problems of drainage facilities are different, but the situation is generally serious. Xiu Meiduo, senior engineer
of Nansha Water Bureau, told reporters that during the early investigation, they found that most residential areas and commercial plazas had serious problems such as mixed connection, damage and leakage of sewage pipe network, which needed to be rectified urgently.
Since 2020, the District Water Bureau has guided the coastal drainage units of Jinzhou Chung more than 150 times. "With such intensive frequency, we are stretched in manpower deployment." Xiumeiduo told reporters that the Bureau entrusted technical service units and co-ordinated the manpower and material resources of the drainage company in the district to form a special team of more than ten drainage units. "Each time, 3-5 people were arranged to guide the community, thus solving the problem of insufficient manpower of the Water Bureau alone."
Difficulties: How to cooperate with developers?
First, because developers and property companies lack professional understanding of drainage facilities, do not know how to solve the problem; second, there are problems in the rectification of funds. "Property is usually difficult to come up with hundreds of thousands of millions of yuan of rectification costs, and some old residential areas can not find developers and property."
In this regard, the Nansha District Water Affairs Bureau, on the one hand, organized special classes to intensively go down to the community to provide technical guidance; on the other hand, for the communities that are still in the housing warranty period, the Housing and Construction Department will continue to urge the developers to improve the drainage facilities; for the old communities without developers and without rectification funds, the Housing and Construction Bureau will hand them over to the District Drainage Company for rectification after confirmation by the Housing and Construction Bureau in conjunction with the local town streets.
"Binhai Peninsula has been built for a long time and has significant problems left behind, which is a classic case in our promotion of drainage unit renovation."
Binhai
Peninsula is located in Binhai Peninsula Community on the south side of the west section of Jinzhou Chung. It was delivered in 2008. There are more than 520 households, most of which are single-family villas. There is also a large artificial lake in the community. Years
of geological subsidence, coupled with the unauthorized laying of sewage pipes by some households, led to the chaos of the internal pipe network in the residential area, which once cracked seriously, and the domestic sewage of some households was directly discharged into the artificial lake, which further deteriorated the water quality of the lake, which was already not flowing smoothly. In case of heavy rain, the situation of lake water mixed with domestic sewage rushing into Jinzhou Chung occurs from time to time. After finding out the problems through investigation,
the District Water Bureau has repeatedly communicated with developers and property companies in conjunction with local street departments, and issued the "rain and sewage diversion" rectification requirements. For this reason, he went to the district many times with the District River Chief Office and the District Housing and Construction Bureau to organize and guide the rectification work. After
receiving the request for rectification, the developer organized the property to investigate the mixed drainage situation in the residential area for many times, but because of the silt in the artificial lake in the residential area, there were many cases of household mixing, and we were somewhat helpless at the beginning.Wu Wen, manager of customer relations department
of Binhai Peninsula District, told reporters that the District Water Bureau and drainage company had come to the district many times to guide the rectification, and put forward the transformation method of "draining lake water and drying pond mud", which was eventually adopted by developers.
As a result, the coastal peninsula district will drain the artificial lake water, use the winter sun to dry the pond mud, reduce the value of ammonia nitrogen in the lake, and in one fell swoop, the household's private sewage pipe will be connected to the newly built sewage pipeline, the original pipeline due to settlement, cracking and dislocation has also been fully repaired, "We have also built a new sewage pumping station." It is used to pump and collect sewage from the new sewage pipe network. Manager
Wu Wen disclosed that the total cost of the rectification was more than 4 million yuan, and the cost was borne by the developers of the residential area.
At the beginning of the rectification, the residential property had considered mobilizing each owner to carry out the rectification spontaneously or using public maintenance funds to centralize the rectification, but under the repeated supervision of the District Water Bureau and other departments, the developer finally decided to bear the cost of the rectification independently, "The rectification effect is very good, which reflects the social responsibility of the residential area and the developer to protect the environment." Internally, it also improves the quality of life of the owners.
water quality during the period of dragon boat water, residents say Jinzhou Chung is cool and beautiful 0 HTM L0UNK7 Guangzhou every year will usher in the "dragon boat water" concentration period, this year's Jinzhou Chung can stabilize the water quality, not to be "broken" by heavy rain? 0HTML0UNK8 Walking along the river, you can see lush green plants everywhere. The river patrol channels on both sides of the river are paved with wood or red bricks, with black painted iron guardrails, which are safe and beautiful. Asked about the feelings of the riverside leisure citizens, everyone raised their thumbs one after another: "Beautiful!"! Ccement. Com/richtext/IMG/h2vtua9j15c1689734430960. Auntie Li, who lives in a community near the western section of Jinzhou Chung, told the reporter: In the early years, there was often sewage and a bad smell in Jinzhou Chung, and my wife and I didn't dare to come. In the past two years, we have hardly seen any sewage in the river, and the government has built beautiful footpaths. We like to come and walk, cool and beautiful. 0HTML0UNK9 Mr. Guo and Ms. Guo, who had reported the sewage situation to Nandu, also said that they had not seen Jinzhou Chung disturbed by sewage in the past year. 0 HTML0 UNK1 0 According to the introduction of Nansha District Water Affairs Bureau, at present, 937 standard drainage units have been completed in Nansha District, covering an area of 71. Next, Nansha District will continue to implement the river and lake length system and promote the water control work in the whole district at a high level.
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