MARATECA / SANTA ÁGUEDA DAM |
|
| PURPOSE - Water supply / Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Castelo Branco Municipality - Castelo Branco Site - Lardosa River Basin - Tejo River - Ocreza river |
Promoting entity
- INAG Owner - INAG / CM Castelo Branco Engineering by - PROCESL Construction by - António Veiga, SARL Project year - 1982 Year of completion - 1991 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 61 km2 Mean annual rainfall - 1308 mm Mean annual runoff- 33000 x 1000 m3 Flood runoff - 422 m3/s Return period - 1000 years |
Reservoir area -
6340 x 1000m2 Gross capacity - 37200 x 1000m3 Effective storage - 32700 x 1000m3 Dead storage - 4500 x 1000m3 Normal water level (NWL) - 385 m Maximum flood level (MFL) - 385,5 m Minimum operating level - 375,5 m |
| DAM | |
| Earthfill - Homogeneous
embankment Height above foundation - 25 m Height above streambed - 24 m Crest elevation - 387,9 m Crest length - 1054 m Crest width - 7,6 m Foundation - Granite Volume of dam body - 435 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Right
bank Control type - Controlled Spillway type- Chute spillway Sill elevation - 384 m Sill length - 3 x 5,1 m Number of gates - 3 radial gates Maximum discharge - 60 m3/s Energy dissipation - Hydraulic jump |
Location - Right
bank Type - Conduit under the embankment Section - d 1,5 m Maximum discharge - 15,25 m3/s Upstream control - Sluice gate Downstream control - Sluice gate Energy dissipation - Impact basin |