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Excavation, upper dam, left wing
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Excavation, lower dam foundation
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Access road and excavation of upper berm of lower dam, left wing
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Excavation, lower dam, left wing
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Excavation, random fill, and compaction of surge tank road
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Spudding, blasting, shotcreting, & rock bolting in adit tunnel
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Excavation, lower dam spillway
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Ripraping, lower coffer dam
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Spudding, blasting, shotcreting, & rock bolting in drainage tunnel
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Excavation, upper dam foundation
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Wire meshing and shotcreting of grouting gallery, lower dam, left wing
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