MONTE NOVO DAM |
|
PURPOSE - Water supply / irrigation | |
LOCATION | GENERAL FEATURES |
District -
Évora Municipality - Évora River Basin - Guadiana River - Degebe river |
Promoting entity
- INAG Owner - Engineering by - DGRAH Construction by - SOPOL Project year - 1976 Year of completion - 1982 |
HYDROLOGY | RESERVOIR |
River basin area
- 267 km2 Mean annual rainfall - 635 mm Mean annual runoff - 44000 x 1000 m3 Flood runoff - 980 m3/s Return period - 500 years |
Reservoir area
- 2770 x 1000m2 Gross capacity - 15280 x 1000m3 Effective storage - 14780 x 1000m3 Normal water level (NWL) - 196 m Maximum flood level (MFL) - 196,8 m |
DAM | |
Concrete -
Gravity dam Height above foundation - 30 m Height above streambed - 28 m Crest elevation - 199 m Crest length - 160 m Foundation - Schist and greywacke Volume of dam body - 32,27 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Center Control type - Controlled Spillway type - Overthe dam Sill elevation - 196 m Sill length - 2 x 10 m Number of gates - 2 sector gates Maximum discharge - 609 m3/s Energy dissipation - Flip bucket |
Location -
Thalweg Type - Through the dam Section - d 1000 mm Maximum discharge - 11,7 m3/s Upstream control - Gate Downstream control - Hollow jet valve Energy dissipation - Hollow jet and scour holes |