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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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