Reason for Variance lOver Expenditure I Final Costing 13604937 The increase in the activation amount request relative to the 2010 ACE budget amount results from detailed engineering being completed following ACE 2010. This includes increas...
AI summary The increase in activation amount request is due to detailed engineering work following the 2010 ACE budget, including higher estimates for surveys, geotechnical work, fish passage ladder adjustments, and a Portadam installation. Environmental and fisheries requirements necessitate a cofferdam to be installed downstream of a water retention structure to allow construction in dry conditions.