On July 7, 2020, the Bangdonghe Reservoir Project in Zhenkang County, Yunnan Province, the Dafangtian Reservoir Project in Fengqing County, and the Daqiaopo Reservoir Project in Linxiang District issued a tender announcement, as follows:

Bangdonghe Reservoir Project in Zhenkang County

The total storage capacity of Bangdonghe Reservoir Project in Zhenkang County is 13.86 million m3. The scale of the reservoir project is medium-sized, and the project grade is III. It is composed of two parts: a hub project and a water supply project. The pivot project consists of a dam, a spillway, a diversion and flood discharge tunnel. The dam type is a concrete face rockfill dam with a maximum height of 87.2 meters, a top width of 10 meters, and a top length of 279 meters. The spillway is arranged on the left dam abutment, and the type is open without gate. It is composed of the inlet section, control section, chute section, parabolic connection section, steep groove section, energy dissipation tank section, and outlet channel section, with a total length of 536.46 meters. The diversion and discharge water delivery tunnel is composed of the shaft inlet, pressure tunnel section, maintenance shaft section, pressure tunnel section, outlet gate chamber section, etc., with a total length of 529.7 meters. The water supply project is composed of the water supply pipe in the irrigation area and the Guojiazhai Ditch. The water supply pipe in the irrigation area is composed of the main trunk, the Fengwei main pipe, and the new water main pipe. The total length is 28.474 kilometers. The ditch is composed of 8.65 kilometers of channels. The main building dam is a class 2 building, the spillway, diversion and discharge tunnel is a class 3 building, the secondary building and dam construction diversion temporary works are class 4 buildings, and other temporary buildings are 5 Grade buildings; irrigation water supply projects are grade IV, the main buildings are grade 4 buildings, and the secondary and temporary buildings are grade 5 buildings. The estimated total investment of the project is about 550 million yuan and the planned construction period is 48 months.

Dafangtian Reservoir Project in Fengqing County

The total storage capacity of Dabaitian Reservoir is 10.30 million cubic meters, the project scale is medium-sized, and the project grade is III. The reservoir project is composed of a hub project and a water delivery project. The pivot project is composed of a dam, a diversion tunnel and a spillway. The dam is a bituminous concrete core rockfill dam with a height of 1666.10 meters at the crest, a length of 350.0 meters at the crest, a width of 10 meters at the crest, and a maximum height of 87.5 meters. The spillway is arranged on the right bank of the dam, and is open and open 304.0 meters long; the overflow weir is a practical WES weir with an elevation of 1661.00 meters at the top of the weir; the diversion and delivery emptying tunnel is arranged on the right side of the spillway and has a total length of 353.73 meters; The main trunk of You and Wang Ping are composed of main trunks. The total length of water mains is 15.435 kilometers. The main building dam is level 2, the spillway and diversion tunnel is level 3, the secondary building is level 4, and the irrigation area water transport structure is designed as level 5. The estimated total investment of the project is about 560 million yuan and the planned construction period is 55 months.

Daqiaopo Reservoir Project in Linxiang District

The total storage capacity of Daqiaopo Reservoir Project is 14.25 million m2, the scale of the project is medium, and the project grade is Ⅲ. Daqiaopo Reservoir Project is composed of hub project and water delivery project in irrigation area. The project is composed of a dam, a spillway, and a water delivery tunnel. The dam is a clay core rockfill dam with a maximum height of 82.7 meters, a dam axis length of 220 meters, and a dam crest width of 10 meters. The spillway is arranged on the right bank and is open. It consists of the diversion channel section, the control section, the chute section, the stilling pool section and the outlet open channel section, with a total length of 298.9 meters. The water delivery and emptying tunnel is arranged on the right bank and consists of the inlet open channel section, the pressure section before the gate, the maintenance gate chamber section, the pressure section after the gate, and the outlet valve chamber section. The total length is 341.5 meters. The water delivery project in the irrigation area is a water delivery main pipe with a total length of 27.95 kilometers. The dams of major buildings are designed at level 2, the spillways and water delivery tunnels are designed at level 3, and the pressures of secondary buildings and water delivery projects in irrigation districts are greater than 1.0 megapascals, and the temporary structures for dam construction and diversion are designed at level 4. The water delivery project pressure in the irrigation area is less than 1.0 megapascal pipeline and other temporary buildings are designed according to grade 5. The estimated total investment of the project is about 540 million yuan, and the planned construction period is 45 months.

Anyone who intends to participate in the bidding, please log in to Lincang City Public Resource Trading Electronic Service System from 09:00 on July 17, 2020 to 18:00 on July 23, 2020 (Beijing time, the same below) (https: //www.lcggzyjy.cn/), obtain the bidding documents and other bidding materials (electronic bidding documents in the format *.BZBJ) online with the enterprise digital certificate (CA). Submit the bid documents to the bid opening hall on the 3rd floor of the Lincang Gongyuan Trading Center by 9:00 on August 6, 2020. Editor/Peng Xue