CARVIÇAIS DAM

PURPOSE - Water supply
LOCATION GENERAL FEATURES
District - Bragança
Municipality - Torre de Moncorvo
Site - Carviçais
River Basin - Douro
River - Vale de Ferreiros river
Promoting entity - C. M. Torre de Moncorvo
Owner (RSB) - C M Torre de Moncorvo
Engineering by - TECNIAGRA
Project year - 1982
Year of completion - 1984
HYDROLOGY RESERVOIR
River basin area - 4 km2
Mean annual rainfall - 789 mm
Mean annual runoff - 1000 x 1000 m3
Flood runoff - 45,34 m3/s
Return period - 100 years
Gross capacity - 1200 x 1000m3
Effective storage - 992 x 1000m3
Dead storage - 61 x 1000m3
Normal water level (NWL) - 635 m
Maximum flood level (MFL) - 636 m
Minimum operating level - 627,5 m
DAM
Earthfill - Zoned embankment
Height above foundation - 20 m
Height above streambed - 19 m
Crest elevation - 637 m
Crest length - 320 m
Crest width - 6 m
Foundation - Granite
Volume of dam body - 167 x 1000 m3
SPILLWAY BOTTOM OUTLET
Location - Left bank
Control type - Uncontrolled
Spillway type - Chute spillway
Sill elevation - 635 m
Sill length - 8,3 m
Maximum discharge - 45,34 m3/s
Energy dissipation - Hydraulic jump
Location - Left bank
Type - Conduit under the embankment
Section - d 800 mm
Upstream control - Bulkhead gate
Energy dissipation - Hydraulic jump


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