Cua Dat Hydropower Project
Project location: Xuan My commune - Thuong Xuan district - Thanh Hoa province Project manager: Pham Van Thuc Project tasks: - Generating power with capacity of 97MW - Mitigating flood, supplying water for industrial and domestic uses - Creating stable irrigation water source for 86,862ha, supplementing water in dry season for downstream of Ma river to prevent saline intrusion and improve ecological environment. Major techincal parameters: Work grade: II Technical parameter of reservoir: - Normal water level: 113.30 m - Design maximum water level P=0.1%: 120.27 - Dead storage capacity: 294.00 million m3 - Effective storage capacity: 1,070.80 million m3 - Reservoir surface area at normal water level: 33.00 km2 - Reservoir surface area at maximum water level (P = 0.1%): 38.50 km2 Scale and structure of the project works: Main dam: Rockfill dam: Dam crest elevation: 122.73m, parapet crest elevation: 123.53m; maximum dam height: 103m, dam length: 740 m. Spillway: Chute spillway with bottom energy dissipator, spillway sill elevation of 103.30m, dimension n(bxh) = 5x(15x16)m Tunnel for construction diversion and flood relief: + Number of opening x diameter = 2 Ф11 + Maximum relief discharge: 4607 m3/s Powerhouse: + Number of unit x capacity: 02 x 48.50MW + Design discharge of 01 unit: 57.80 m3/s + Maximum head: 89.40 m + Minimum head: 45.70m + Design head: 69.30m |
