ITEZHI TEZHI (120 MW)
The Itezhi Tezhi (ITT) dam is located across Kafue River, about 330 km from Lusaka, the capital of Zambia. The components of ITT hydro project were to be located on the downstream of existing Itezhi Tezhi dam. The project essentially comprises concrete lining of existing 13.1 m dia. D-shaped and 425 m long south side diversion tunnel (SDT), construction of new 9 m dia. horse shoe shaped and 200 m long RCC tunnel, 14 m dia. surge shaft, two nos. of steel lined tunnel each of 6.2 m dia. and 20 m long, surface powerhouse and 40 m wide tailrace canal. Rated head & rated discharge of the plant are 40 m & 311 m3/s respectively. The electro-mechanical works include 2 units of Kaplan turbines each having 60 MW capacity with a 132 kV outdoor switchyard. Tata Consulting Engineers (TCE), India in association with ZESCO Limited, Zambia was awarded the work for providing Project Management, Preliminary Design Engineering Construction Supervision and Commissioning Services for the EPC contract for development of Itezhi Tezhi HEP.
Optimised project layout and designs resulting in cost benefit of about 30 Million USD and reduction in construction time by about 10 months.
Unit I was successfully commissioned in January 2016 and Unit II was commissioned in February 2016.