RAIVA DAM |
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| PURPOSE - Hydroelectric / Flood control | |
| LOCATION | GENERAL FEATURES |
| District -
Coimbra Municipality - Penacova Site - Coiço River Basin - Mondego River - Mondego river |
Promoting entity
- CPPE, Cª. Portuguesa de Produção de Electricidade, SA Owner - CPPE Engineering by - EDP Construction by - Construções Técnicas Year of completion - 1981 |
| HYDROLOGY | RESERVOIR |
| Flood runoff
- 3 500 m3/s Return period - 1 000 years |
Reservoir area
- 2 300 x 1 000m2 Gross capacity - 24 110 x 1 000m3 Effective storage - 14 710 x 1 000m3 Normal water level (NWL) - 61,5 m |
| DAM | |
| Concrete - Gravity Height above foundation - 36 m Height above streambed - 34 m Crest elevation - 64,5 m Crest length - 200 m Foundation - Schist and greywacke Volume of dam body - 85 x 1 000 m3 |
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| SPILLWAY | BOTTOM OUTLET |
| Location - Dam
body Control type - Controlled Spillway type - Over the dam Sill elevation - 52 m Sill length - 40 m Number of gates - 2 radial gates Maximum discharge - 2 000 m3/s Energy dissipation - Hydraulic jump |
Type -
Through the dam Section - 1,5 x 2,00 = 3,0m2 Downstream control - Yes |
| POWER PLANT | |
| Type - Contiguous
to the dam Number of installed units - 2 Type of units - Bolbo-Francis Power installed capacity - 20 MW Mean annual energy output - 44,8 GWh |
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