WATER-POWERED DRILLING CHANGUINOLA I RCC DAM The Wassara technology was used for drilling the foundation drainage and grouting holes and was chosen as it has delivered successful results at a number of similar dam projects around the world. The drilling at the Changuinola I dam in Panamá was finished more than three months ahead of schedule, in May 2011. LKAB Wassara AB | Box 1067, SE- 141 22 Huddinge | www.wassara.com STRAIGHT FORWARD D

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