Place

Mikulazi Forest Reserve - Tanzania


Client

Dar es Salaam Water & Sewage Authority (DAWASA)


Year

2010 - in progress

Description for Kidunda (Tanzania)

Bituminous face rockfill dam for irrigation, water supply and hydropower purposes.

Main Features

  • Reservoir (A = 78 km², V_live = 280 Mm³)
  • Rockfill Dam with bituminous facing (H = 21 m, L_crest = 860 m, V = 450'000 m³, A_grouting curtain = 24'000 m²)
  • Gated spillway (L = 133 m, W = 117 m, No. 8 Gates, Q_design = 3'500 m³/s)
  • Intake tower (H = 25 m, No. 4 Slide gate, HxW = 6x6 m)
  • Outlet works (Type double barrel, L = 200 m, D = 6 m each)
  • Tailrace Canal (L = 103 m, W = 30 m)
  • Outdoor Power House (E = 60 GWh/y, IP = 20 MW, No. 2 Kaplan turbines)
  • Resettlement (No. 5'000 People relocated, No. 2'000 Houses involved)

Engineering Services

  • Topographical Survey and GIS of Dar es Salaam area
  • Feasibility study
  • Final Design (including Dam Safety Plan)
  • Environmental and Social Impact Assessments

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