What is diversion tunnel in a dam?

When a dam is to be built, a diversion tunnel is usually bored through solid rock next to the dam site to byPAss the dam construction site. The dam is built while the river flows through the diversion tunnel.

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  1. Prior to construction of Dam across a River , a by pass tunnel is require to be built to divert water for facilite uninterputed construction on the procesed River and that tunnel is called Diversion Tunnel.

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