Beko-Abo Multipurpose Project Pre-Feasibility Study
Project: Beko-Abo Multipurpose Project
Location: Ethiopia
Client: Federal Democratic Republic of Ethiopia - Ministry of Water Resources
Consultants: NORPLAN - NORCONSULT - EDF - SCOTT WILSON JV in association with Shebelle Consult PLC and Trepics Consulting Engineers
Report Date: November 2010
Project Overview
The Beko-Abo Multipurpose Project is a major hydropower development in Ethiopia, including dam construction, power generation facilities, and transmission infrastructure.
Report Structure
| Volume | Content |
|---|---|
| Volume 1 | Main report with executive summary |
| Volume 2 | Project Drawings (current document) |
| Volume 3 | Supporting documents (technical studies, cost estimates, economic analyses) |
| Volume 4 | Initial Environmental and Socio-economic Assessment |
Key Project Components
- Dam and Spillway: Including diversion culverts, gate structures, and plunge pool
- Power Station: Underground powerhouse cavern with machine floors at various elevations
- Transmission System: 400kV and 500kV lines connecting to Debre Markos and Mandaya
- Waterways: Northern and Southern waterways with intake structures
- Access Infrastructure: Roads, bridges, and temporary access routes
Technical Details
| Component | Specifications |
|---|---|
| Dam | Top elevation at 1063.7m, FSL at 1062.0m, with radial gates |
| Spillway | Design flood discharge of 18,260 m³/s, PMF discharge of 19,960 m³/s |
| Powerhouse | Underground cavern with machine floor at EL 788.65, generator floor at EL 783.15 |
| Transmission | 500kV switchyard layout, 400kV line to Debre Markos, 500kV line to Mandaya |
Geological Conditions
The project area features various gneiss formations with assumed weakness zones and faults. Site investigations included boreholes and refraction seismic profiles.
Project Location
The project is located on the Blue Nile river system, with reservoir plans showing significant water storage capacity at various elevation levels.
Access and Infrastructure
The project includes plans for internal roads, temporary access routes, and alternative road connections to nearby towns like Kuch and Bure.