PISCO DAM |
|
| PURPOSE - Water supply / Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Castelo Branco Municipality - Castelo Branco Site - S. Vicente da Beira River Basin - Tejo River - S. Vicente river |
Promoting entity-
C M de Castelo Branco Owner - Serviços Municipalizados de Castelo Branco Engineering by - Engº Alberto Vilaça Construction by - TRABEL Project year - 1966 Year of completion - 1968 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 14,2km2 Mean annual rainfall - 1 218 mm Mean annual runoff - 4 200 x 10 00 m3 Flood runoff - 100 m3/s |
Reservoir area -
198 x 1 000m2 Gross capacity - 1 400 x 1 000m3 Effective storage - 1 040 x 1 000m3 Dead storage - 113 x 1 000m3 Normal water level (NWL) - 498,7m Maximum flood level (MFL) - 499,7 m Minimum operating level - 485,7 m |
| DAM | |
| Earthfill -
Homogeneous embankment Height above foundation - 24,5 m Height above streambed - 23,2 m Crest elevation - 500,9 m Crest length - 260 m Crest width - 8 m Foundation - Schist and greywacke Volume of dam body - 58 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Left
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 498,7 m Sill length - 2 x 10 m Maximum discharge - 43 m3/s Energy dissipation - Hydraulic jump |
Location -
Left bank Type - Conduit under the embankment Section - d 0,40 m Maximum discharge - 1,41 m3/s Upstream control - Sluice gate Energy dissipation - Inexistent |