The drainage network construction and renovation project in the Foshan Shunde Guangdong-Hong Kong-Macao Coordinated Development Zone has a total investment of 2.8 billion yuan

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Drainage network construction and renovation project in the Foshan Shunde Guangdong-Hong Kong-Macao Collaborative Development Zone. This project is located in Shunde District, Foshan City, Guangdong Province, and is funded and constructed by Guangdong Shunkong Water Investment & Construction Co., Ltd. The 5 projects are as follows: Foshan Shunde Guangdong-Hong Kong-Macao Collaborative Development Zone Drainage Network Construction and Renovation Project – New Construction and Renovation of the Drainage Network in the Western Part of Shunde District’s First Linked Enclosure (Phase I) (hereinafter referred to as “Project 1”), Foshan Shunde Guangdong-Hong Kong-Macao Collaborative Development Zone Drainage Network Construction and Renovation Project – New Construction and Renovation of the Drainage Network in the Northeastern Part of Shunde District’s First Linked Enclosure (Phase I) (hereinafter referred to as “Project 2”), New Construction and Renovation of the Drainage Network in Qixing Linked Enclosure, Shunde District (hereinafter referred to as “Project 3”), Foshan Shunde Guangdong-Hong Kong-Macao Collaborative Development Zone Drainage Network Construction and Renovation Project – New Construction and Renovation of the Drainage Network in Qiaosang Linked Enclosure, Shunde District (hereinafter referred to as “Project 4”), and Foshan Shunde Guangdong-Hong Kong-Macao Collaborative Development Zone Drainage Network Construction and Renovation Project – New Construction and Renovation of the Drainage Networks in Zhongshun Dawei and Nansha Wei Linked Enclosures, Shunde District (hereinafter referred to as “Project 5”). The specific details are as follows: (1) Project 1: It is planned to construct 38 km of new drainage pipelines, install 394 new check valves and anti-backflow valves, 99 electric gates, and build 6 new integrated lift stations. 27 km of existing drainage networks were rebuilt and repaired; 1,323 pipe sections were partially repaired. Pipe cleaning and correction of incorrect connections were carried out, and 11.557 km of river channels were cleared. Four underground culverts were improved. The final scale of the project will be determined according to the construction drawings. The estimated construction cost is tentatively set at 599.8844 million yuan; the final amount will be based on the approved budget figure. (2) Project 2: It is planned to construct 58 km of new pipeline networks, and add 765 check valves and anti-backflow valves, as well as 12 electric gates ； 24 km of existing drainage networks were rebuilt and repaired, 1,179 pipe sections were partially repaired, and 24.76 km of pipes were cleared of sediment. The cutoff surge connects to 1 location ； 10 waterways were dredged, with a total length of 13.78 km. 16 flood-prone areas were upgraded, and the final scale of the project will be determined according to the construction drawings. The estimated construction cost is tentatively set at 473.3724 million yuan; the final amount will be determined based on the approved budget estimate. (3) Item 3: Provisional construction of 116 km of new drainage networks ； 1,343 new check valves and anti-backflow flaps were installed, along with 63 electric gates. 1 existing pump house was renovated, and 5 new integrated lift stations were constructed. 22 km of the existing drainage network was renovated, rebuilt, and repaired; 1,016 loops were locally fixed, and 22.83 km of pipes were cleared of sediment. 4 waterways were connected via cut-off channels, and 1 river channel was dredged. 14 flood risk areas were rectified, and the final scale of the project will be determined according to the construction drawings. The estimated investment amount is temporarily set at 540,020,200 yuan; the final amount will be determined based on the approved budget estimate. (4) Item 4: Provisionally plan to build 108 km of new drainage networks ； 257 new check valves and anti-backflow flaps added ； 1 existing pump station was upgraded, and 2 new integrated lift pump stations were constructed. 30 km of existing drainage pipelines were excavated, reconstructed, and repaired; 1,462 pipe sections were partially repaired, and 42.73 km of pipelines were cleaned. 140 locations underwent incorrect connection modifications ； There are a total of 4 connections through cut-off channels, and 12 channels have been dredged ； 16,700 m3 of silt was removed as part of the canal improvement work, and approximately 20 maintenance access points were added. 41 flood risk sites were rectified, and the final scale of the project will be determined according to the construction drawings. The estimated investment amount is temporarily set at 712.2666 million yuan; the final amount will be based on the approved budget figure. (5) Item 5: Provisionally, 54 km of new drainage pipelines will be constructed, and 1 pumping station will be relocated ； 320 new shutter gates of types D300–D800 will be constructed, along with 130 new intercepting wells. 23 km of existing drainage networks were excavated, renovated, and repaired, with 1,154 sections treated by in-situ solidification ； 33 flood-prone areas were renovated ； A total of 46,243 m3 of silt was removed from the streams ； 1.6 km of underground culverts was dredged; 6 openings in these culverts were cleared for dredging. 6 access holes were added or repaired, and 46 defects in the underground culverts were fixed ； Two sections of the cut-off surge channel will be renovated; the final scale of the project will be determined according to the construction drawings. The estimated investment amount is temporarily set at 491.4567 million yuan; the final amount will be based on the approved budget figure. The project investment amount is 2,817,000.03 million yuan.