On behalf of an owner, prepared and evaluated claims concerning the design and construction of one of Europe’s largest nuclear reactor and turbine generator facilities, involving multiple tranches of claims submitted over the course of several years. Conducted schedule delay and quantum analyses on approximately €3.6 billion in contractor claims and approximately €2 billion of owner counterclaims. Reviewed the merits of outstanding change orders that were part of the contractors’ claims. Assessed claims associated with loss of productivity, time-related costs, subcontractor pass-through costs, delayed and disputed payments, overhead, profit, and interest. Provided expert testimony concerning delays and quantum during arbitration proceedings held at the International Chamber of Commerce.