Maintaining and dredging mud in some areas in the wards of Vinh Niem, Niem Nghia, An Bien, Ho Nam, Lam Son, Hang Kenh, Dong Hai, Kenh Duong, An Duong, Nghia Xa, Du Hang Kenh, Cat Long Le Chan district, Hoang Minh Thao street drainage system (Section from Xi Phong sewer to No. 189A), the sewer line collects wastewater to the Southwest PS3 pumping station and repairs and replaces the collection grate, the sewer collapse station is damaged. number of areas in Le Chan district