| ĮGUAS CLARAS DAM (Pirites Alentejanas) | |
| PURPOSE - Industrial use | |
| LOCATION | GENERAL FEATURES |
| District -
Beja Municipality - Aljustrel Site - Monte do Morgado River Basin - Sado River - Barranco do Morgado |
Promoting entity
- Pirites Alentejanas, S.A Owner (RSB) - Pirites Alentejanas, S.A Engineering by - Hidroprojecto Construction by - Moniz da Maia, Serra e Fortunato Project year - 1990 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 3,18 km2 Mean annual rainfall - 552 mm Flood runoff - 15,02 m3/s Return period - 1000 years |
Reservoir area -
320 x 1000m2 Gross capacity - 2100 x 1000m3 Normal water level (NWL) - 161,25 m Maximum flood level (MFL) - 162 m Minimum operating level - 140 m |
| DAM FEATURES | |
| Earthfill - Homogeneous
embankment Height above foundation - 28 m Height above streambed - 26 m Crest elevation - 163 m Crest length - 340 m Crest width - 7 m Foundation - Schist and greywacke Volume of dam body - 192 x 1000 m3 |
|
| SPILLWAY | |
| Location - Saddle
at left embankment Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 161,25 m Sill length - 6 m Maximum discharge capacity - 7,5 m3/s Energy dissipation - Stepped spillway |
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