LAGOACHO DAM

PURPOSE - Hydroelectric / Diversion
LOCATION GENERAL FEATURES
District - Guarda
Municipality - Gouveia
Site - Ribeira do Cov„o do Urso
River Basin - Mondego
River - Cov„o do Urso river
Promoting entity - HIDROCENEL, Energia do Centro, SA
Owner - Hidrocenel
Engineering by - EDP, Electricidade de Portugal
Construction by - SOMEC/CPTP/SET BETON
Year of completion - 1993
HYDROLOGY RESERVOIR
River basin area - 4,8 km2 Reservoir area   - 237 x 1000m2
Gross capacity - 1525 x 1000m3
Effective storage - 1525 x 1000m3
Normal water level (NWL) - 1436 m
Maximum flood level (MFL) - 1437,8 m
Minimum operating level  - 1425 m
DAM
Type  - Rockfill dam with upstream core wall
Height above foundation - 38 m
Height above streambed - 36 m
Crest elevation - 1439 m
Crest length - 360 m
Crest width - 6 m
Foundation - Granite
Volume of dam body
- 251 x 1000 m3
SPILLWAY BOTTOM OUTLET
Location - Left bank
Control type - Uncontrolled
Spillway type - Chute spillway
Sill elevation - 1436 m
Sill length - 27 m
Maximum discharge - 105 m3/s
Energy dissipation - Flip bucket
Location - Thalweg
Type - Conduit under the embankment
Section - D 1,8m
Maximum discharge  - 9 m3/s
Upstream control  - Yes
Downstream control  - Yes
Energy dissipation - Hollow jet


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