Cua Dat Hydropower Project


03:35' CH-18, 18/02/2014

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

Total hits 69  -  Last update 03/03/2014 10:17' SA

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