1.) Request to Authorize the City Manager to Execute Addenda to Two Contracts for Excavation and Water System Repair Services, in Forms Approved by the City Attorney, with Daley Excavators LLC for an Additional $1,000,000 Not to Exceed a Total Amount of $2,000,000; and with JWW Excavating Inc. for an Additional $200,000 Not to Exceed a Total Amount of $400,000