FAGILDE DAM

PURPOSE - Water supply
LOCATION GENERAL FEATURES
District - Viseu
Municipality - Viseu
Site - Fagilde
River Basin - Mondego
River - Dão river
Promoting entity - INAG
Owner (RSB) - Serviços Municipalizados de Viseu
Engineering by - Hidroprojecto
Construction by - Zagope, SARL
Project year - 1979
Year of completion - 1984
HYDROLOGY RESERVOIR
River basin area - 428 km2
Mean annual rainfall - 483 mm
Flood runoff - 547 m3/s
Return period - 100 years
Gross capacity - 2800 x 1000m3
Normal water level (NWL) - 310 m
Maximum flood level (MFL) - 311,6 m
Minimum operating level - 300 m
DAM
Concrete - Arch buttress dam
Height above foundation - 27 m
Height above streambed - 18,5 m
Crest elevation - 312,5 m
Crest length - 63,3 m
Crest width - 2 m
Foundation - Granite
Volume of dam body - 8,94 x 1000 m3
SPILLWAY BOTTOM OUTLET
Location - IDam body
Control type - Mixed control
Spillway type - Over the dam + oriffices
Sill elevation - 297 m
Sill length - 6 m
Number of gates - 2 radial gates
Maximum discharge - 515 m3/s
Energy dissipation - Deflector hood
Section - 6.0*4.0
Maximum discharge - 515 m3/s


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