SABUGAL DAM

PURPOSE - Irrigation / Water supply / Hydroelectric
LOCATION GENERAL FEATURES
District - Guarda
Municipality - Sabugal
Site - Sabugal
River Basin - Douro
River - Ca river
Promoting entity - IHERA
Owner -
Engineering by -
COBA
Construction by - Engil, Adriano, Edifer, Cerejo
Project year - 1994
Year of completion - 2000
HYDROLOGY RESERVOIR
River basin area - 130 km2
Mean annual rainfall - 1 248 mm
Flood runoff  -  569  m3/s
Return period - 
1 000 years
Reservoir area - 7 320  x 1 000 m2
Gross capacity - 114 300 x 1 000 m3
Effective storage - 10 400 x 1 000 m3
Normal water level (NWL) - 790 m
Maximum flood level (MFL) - 791,81 m
Minimum operating level - 774 m
DAM
Earthfill - Zoned embankment
Height above foundation -
58,5  m
Height above streambed - 794 m
Crest elevation - 56,5 m
Crest length - 1 005 m
Volume of dam body
- 1 894 x 1 000 m3
SPILLWAY BOTTOM OUTLET
Location - Right bank
Control type - Uncontrolled
Spillway type - Chute spillway
Sill elevation - 790 m
Sill length -
35 m
Maximum discharge - 182 m3/s
Energy dissipation - Hydraulic jump
Type - Conduit under the embankment
Section - d 1 500 mm
Maximum discharge -  28,3 m3/s
Upstream control  - Fixed roller gate
Downstream control  - Sector gate
Energy dissipation - Hydraulic jump


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