FREIXEIRINHA DAM |
|
| PURPOSE - Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Évora Municipality - Montemor-o-Novo Site - Lobeira de Cima River Basin - Tejo River - Freixeirinha river |
Promoting entity
- IHERA Owner (RSB) - Junta de Agricultores Regantes de Lavre Engineering by - José Manuel Ramalho Project year - 1987 Year of completion - 1995 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 38 km2 Flood runoff - 220 m3/s Return period - 500 years |
Gross capacity -
6700 x 1000m3 Effective storage - 6200 x 1000m3 Normal water level (NWL) - 134 m Maximum flood level (MFL) - 135,5 m |
| DAM | |
| Earthfill - Zoned
embankment Height above foundation - 37 m Crest elevation - 137 m Crest length - 356 m Crest width - 9 m Volume of dam body - 330 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Saddle
at left embankment Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 134 m Sill length - 35 m Maximum discharge - 107 m3/s Energy dissipation - Hydraulic jump |
Type - Conduit
under the embankment Section - 1,20 x 0,60 m Upstream control - Sluice gate Downstream control - Hollow jet valve |