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Service: | Assessment of Risk Associated with Tunneling Works and Recommendation for Risk Management
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Estimated cost: | Commencement: | February 27, 1998
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Completion date: | October 22, 2003
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Location: | Cochabamba Bolivia |
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Technical data: | 2 x 3 m diameter water tunnels (7.5 and 13.2 km long). More than 1000 m overburden. |
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Geology description: | Sandstones, Limestones, Claystones, highly disturbed with many fault zones. High water table. |
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