Specifications include, but are not limited to: 1. Removal of 2 existing spillway sluice gates and appurtenances. 2. Installation of 2 new hinged crest gates and appurtenances. 3. Removal of existing walkway over dam gates and replacement with new walkway. 4. Modifications to existing spillway buttresses. 5. Installation of a sensor tube and protective cage. 6. Tree clearing staging area (clearing will be allowed between November 15th through March 31st) and revegetation of cleared area. 7. Work consists of providing labor, materials, equipment, services, and administration required in conjunction with or properly incidental to construction of the project. All work shall be performed in accordance with Federal, State, and local regulations and OSHA requirements.