MINUTOS DAM

PURPOSE - Irrigation
LOCATION GENERAL FEATURES
District - …vora
Municipality - Montemor-o-Novo
Site - Monte dos Minutos
River Basin - Almansor river
River - Almansor river
Promoting entity - IHERA - Instituto de HidrŠulica, Engenharia Rural e Ambiente
Owner - IHERA - Instituto de HidrŠulica, Engenharia Rural e Ambiente
Engineering by - COBA, Consultores de Engenharia e Ambiente
Constructor - ENGIL / Adriano
Project year - 19
Year of completion - 2003
HYDROLOGY RESERVOIR
River basin area - 95 km2
Mean annual rainfall - 750 mm
Mean annual runoff - 26 050 x 1000 m3
Flood runoff  - 633 m3/s
Return period  - 10 000 years
Reservoir area   -  5 300 x 1 000m2
Gross capacity - 52 100 x 1 000m3
Effective storage - 50 000 x 1 000m3
Dead storage  -    x 1 000m3
Normal water level (NWL) - 264 m
Maximum flood level (MFL) - 265,54 m
Minimum operating level  - 245 m
DAM
Earthfill - Zoned embankment
Height above foundation - 36 m
Height above streambed - 33,5 m
Crest elevation - 267,5 m
Crest length - 1 293 m
Crest width - 8 m
Foundation - Sand and claystone
Volume of dam body
- 1219  x 10 000 m3
SPILLWAY BOTTOM OUTLET
Location - Saddle at left embankment
Control type -

Spillway type -
Sill elevation - 264 m
Sill length - 34 m
Maximum discharge -  m3/s
Energy dissipation -
Location -
Type -
Section - d 1,2 m
Maximum discharge  - 13,5 m3/s
Upstream control  - Fixed roler gate
Downstream control  - Radial gate
Energy dissipation - Stilling basin


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