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Coffer Dams |
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| Welding of Geomembrane |
Placing clay to U/S of Geomembrane to El 673 |
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| Upstream cofferdam construction |
U/S cofferdam crest wall construction |
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| Omo River upstream of Upstream Cofferdam |
U/S cofferdam crest wall construction |
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| Downstream view of the Upstream Cofferdam |
Upstream view of the Upstream Cofferdam |
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| Upstream Cofferdam |
Downstream Cofferdam |
