CAPINHA DAM |
|
| PURPOSE - Water supply / Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Castelo Branco Municipality - Fundão Site - Capinha River Basin - Tejo River - Poldras river |
Promoting entity
- INAG Owner (RSB) - INAG Engineering by - COBA Construction by - Tecnopul Project year - 1979 Year of completion - 1981 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 6,3 km2 Mean annual rainfall - 1058 mm Mean annual runoff - 3530 x 1000 m3 Flood runoff - 32,5 m3/s Return period - 1000 years |
Reservoir area -
97 x 1000m2 Gross capacity - 522 x 1000m3 Effective storage - 340 x 1000m3 Dead storage - 182 x 1000m3 Normal water level (NWL) - 502,5 m Maximum flood level (MFL) - 503,31 m Minimum operating level - 498 m |
| DAM | |
| Earthfill - Homogeneous
embankment Height above foundation - 18 m Height above streambed - 16 m Crest elevation - 505 m Crest length - 231 m Crest width - 7 m Foundation - Granite Volume of dam body - 82 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Left
bank Control type - Uncontrolled Spillway type - Shaft spillway Sill elevation - 502,5 m Sill length - 18,5 m Maximum discharge - 26,3 m3/s Energy dissipation - Hydraulic jump |
Location - Left
bank Type - Conduit under the embankment Section - d 0,60 m Maximum discharge - 2,3 m3/s Upstream control - Fixed roller gate Downstream control - Butterfly valve Energy dissipation - Hydrauilic jump |