C.6. 23-456 Adopt a resolution approving a Professional Services Agreement with Carollo Engineers, Inc. for the preparation of plans and specifications for the WQCF Sludge Thickener (CIP 24007) and Dewatering Unit No. 3 System Design Project (CIP 24006) in an amount not-to-exceed $966,983, include a project contingency of 5% ($48,300) for a total not-to-exceed contract amount of $1,015,283; close WQCF- Ammonia Sidestream Treatment Project (CIP 24005), transfer appropriation amount of $800,000 from CIP 24005 equally distributed between CIP 24006 and CIP 24007 upon closing project 24005; amending CIP 24006 to include an additional appropriation of $400,000 for a project total of $800,000; amending CIP 24007 to include an additional appropriation of $400,000 for a project total of $600,000; authorizing the City Manager or designee to execute the Agreement, approve project contingencies up to the total project cost, apply for permits, apply for State and Federal grants, solicit project funding support, complete and execute all associated documents, and take all appropriate actions necessary to carry out the purpose and intent of the resolution.