3.S 25-547 Action to Approve Various Modifications to Existing Unclassified and Classified Classification Specifications, Authorize the City Manager to Execute the Side Letter Agreement between the City of Santa Clara and the Public Safety Non-Sworn Employees Association (Unit 10), Authorize the City Manager to Execute the Side Letter Agreement between the City of Santa Clara and the Santa Clara Firefighters, International Association of Firefighters (IAFF), Local 1171 (Unit 1), and Adopt a Resolution to Update the Classified Salary Plan