Brajesh Kumar Ojha "FIE", Project Director (Energy Infratech Pvt. Limited)
Introduction
The Teesta-IIII hydroelectric project (1200MW) is a run of the river scheme located on Teesta River in the North District of state of Sikkim. The project comprises of 60m high concrete face Rock Fill dam (CFRD), with the two bays of chute Spillway on the Left Bank, two Desilting chambers of size 320m (l) x17m (w) x 23m (h) and about 13.8Km long 7.5m dia Head Race Tunnel to carry water to the underground power house to feed six units of vertical pelton turbines to generate 5228 MU of design energy in 90% dependable year. The 11m diameter and 1300m long flushing tunnel have been provided for reservoir flushing to maintain the long-term live capacity of the reservoir. The diversion tunnel 10m dia about 1km long has been provided which shall be subsequently used as spillway tunnel.This is a premium article available exclusively for our subscribers.
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