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Blasting, excavation, wire meshing and shotcreting in adit tunnel
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Widening of river bed leading to diversion tunnel entrance
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Blasting, excavation, wire meshing, shotcreting in headrace tunnels
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Earthwork operations, upper dam bottom
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Random fill, access road to lower dam crest
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Widening of access road of lower dam
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Earthwork operations, upper dam spillway
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