Specifications include, but are not limited to: The primary work items include the removal and replacement of (3) 30” x 48” cast-iron sluice gates, (1) 5’ x 5’ cast-iron sluice gate, (1) 48” Howell-Bunger Valve and associated appurtenances, electrical operators/actuators for all new and existing sluice gates and supporting electrical feed and switchgear. Additional 6” of crushed limestone paving will be added to the existing crane pad prior to use to support the primary work items. A 12” outlet will be installed in the south spillway training wall to supply maintenance water for the secondary stilling basin, and new access ladders will be provided for access to the south spillway. There is one additive alternate item to provide water supply downstream of the dam at the rate of up to 150 cfs that may or may not be awarded.