The construction of hydropower projects is highly dependent on the ground conditions, for both the design and for the construction of dams, tunnels and power stations. But the unique site-specific characteristics of each hydropower project means that unforeseeable ground conditions are common. Mother Nature has a habit of playing tricks and serving up the unexpected. No matter how many bore holes an employer sinks pre-tender, it is inevitable that there will be some ground information missing. How can this risk be mitigated and distributed in a cost-effective way?
This article considers the approaches of the FIDIC standard forms, including the FIDIC Emerald Book (2019) - the Contract for Underground Works – in advance of the launch of the FIDIC Emerald Book Guide and Reprint later this month.
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