RIO DA MULA DAM |
|
PURPOSE - Water supply | |
LOCATION | GENERAL FEATURES |
District -
Lisboa Municipality - Cascais Site - Malveira da Serra River Basin - Ribeiras do Oeste River - Mula river |
Promoting entity
- C M de Cascais Owner - Serviços Municipalizados de Cascais Engineering by - Engº Ressano Garcia e APAGEL Construction by - Tomás de Oliveira Project year - 1963 Year of completion - 1969 |
HYDROLOGY | RESERVOIR |
River basin area
- 2,9 km2 Flood runoff - 22 m3/s |
Reservoir area
- 45 x 1 000 m2 Gross capacity - 340 x 1 000 m3 Effective storage - 230 x 1 000 m3 Dead storage - 110 x 1 000 m3 Normal water level (NWL) - 149 m Maximum flood level (MFL) - 149,6 m |
DAM | |
Earthfill - Homogeneous
embankment Concrete - Gravity Composite dam - Yes Height above foundation - 22 m Height above streambed - 18 m Crest elevation - 149,6 / 150,6 m Crest length - 192 m Crest width - 2,5 / 5,0 m Foundation - Granite |
|
SPILLWAY | BOTTOM OUTLET |
Location - Dam
body Control type - Uncontrolled Spillway type - Over the dam Sill elevation - 149 m Sill length - 7,5 m Maximum discharge - 7,8 m3/s Energy dissipation - Hydraulic jump |
Location -
Thalweg Type - Through the dam Section - d 0,30 m Upstream control - Comporta mural Downstream control - Butterfly valve Energy dissipation - Inexistent |