VALE DAS BICAS DAM

PURPOSE - Irrigation / Flood control
LOCATION GENERAL FEATURES
District  - Évora
Municipality - Vendas Novas
Site - Landeira
River Basin - Sado
River - Landeira river
Promoting entity - Sociedade Agrícola da Moinhola SA
Owner - Sociedade Agrícola da Moinhola
Project year - 1938
Year of completion - 1939
HYDROLOGY RESERVOIR
River basin area - 62 km2
Mean annual rainfall - 600 mm
Mean annual runoff - 14 000 x 1 000 m3
Reservoir area   - 670 x 1 000 m2
Gross capacity - 2 000 x 1 000 m3
Normal water level (NWL) - 32,16 m
DAM
Earthfill - Homogeneous embankment
Height above streambed - 
12,2 m
Crest elevation - 36,2 m
Crest length - 680 m
Crest width - 5 m
Foundation - Soil: Alluvia
SPILLWAY BOTTOM OUTLET
Location - Saddle at left embankment
Control type - Uncontrolled
Spillway type - Chute spillway
Sill elevation - 32,16 m
Sill length -
16,8 m
Energy dissipation - Hydraulic jump
Location - Thalweg
Type - Conduit under the embankment
Section - d 0,20 m e 0,35 m
Maximum discharge -  m3/s
Downstream control - Válvula de cunha
Energy dissipation - Inexistent


ARROWA.GIF (181 bytes)            homeicona.gif (359 bytes)