TEJA DAM |
|
PURPOSE - Water supply | |
LOCATION | GENERAL FEATURES |
District -
Guarda Municipality - Trancoso Site - Terrenho River Basin - Douro River - Teja river |
Promoting entity
- C M Trancoso Owner - C M Trancoso Engineering by - Gabinete de Estudos Técnicos Construction by - TRAPSA Project year - 1990 Year of completion - 1995 |
HYDROLOGY | RESERVOIR |
River basin area
- 35,5 km2 Mean annual rainfall - 860,8 mm Mean annual runoff - 9 970 x 1 000 m3 Flood runoff - 121 m3/s Return period - 100 years |
Gross capacity - 2
805 x 1 000 m3 Effective storage - 2 743 x 1 000 m3 Normal water level (NWL) - 689,5 m Maximum flood level (MFL) - 690,74 m Minimum operating level - 680 m |
DAM | |
Earthfill -
Zoned embankment Height above streambed - 16 m Crest elevation - 692 m Crest length - 177 m Crest width - 6 m Volume of dam body - 70 x 1 000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Left
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 689,5 m Energy dissipation - Flip bucket |
Location -
Right bank Type - Conduit under the embankment Section - d 600 mm Maximum discharge - 1,04 m3/s Upstream control - Sluice gate Downstream control - Válvula de cunha Energy dissipation - Impact basin |