GARFANES DAM |
|
| PURPOSE - Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Beja Municipality - Serpa Site - Herdade de Garfanes River Basin - Guadiana |
Promoting entity
- Henrique de Mira Coroa Owner - Henrique de Mira Coroa Engineering by - Engš Isaurindo de Oliveira Project year - 1994 Year of completion - 1996 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 11,7 km2 Mean annual rainfall - 521,23 mm Flood runoff - 35,7 m3/s Return period - 500 years |
Reservoir area
- 25 x
1000m2 Gross capacity - 1007,7 x 1000m3 Effective storage - 918,9 x 1000m3 Effective storage - 97 m Maximum flood level (MFL) - 97,68 m |
| DAM | |
| Earthfill
- Homogeneous embankment Height above streambed - 14,8 m Crest elevation - 98,8 m Crest length - 428,5 m |
|
| SPILLWAY | BOTTOM OUTLET |
| Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 97 m Sill length - 25 m Maximum discharge - 32,36 m3/s Energy dissipation - Hydraulic jump |
Type - Conduit
under the embankment Section - d 700 mm Maximum discharge - 2,14 m3/s Energy dissipation - Impact basin |