![]() ![]() earth and rock-fill dam, spillway and galleries. Earth and Rockfill dam of Kol Dam HEPP has an elaborate monitoring instruments network for monitoring the health of the various structures viz. The project has 800MW installed capacity and a 167m high (from the deepest foundation level) rockfill dam which creates a head of about 140 m. Koldam Hydro Electric Power Project is located on Satluj River in Bilaspur district of Himachal Pradesh in India. During normal period of operation these instruments are required to monitor the behaviour of dam due to fluctuation in reservoir levels or even in steady state conditions. During initial reservoir impounding, instrumentation results are of paramount importance and have a consequential impact on the decisions regarding future rate of filling, to enable safe impounding of dam. During construction stage, rate of construction of earth and rockfill dam may require modifications on the basis of the instrumentation results to achieve safe construction. construction, first reservoir filling and operation stage. There are three distinct phases of monitoring in the lifetime of an earth and rockfill dam. ![]()
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