4. HD-23-529 Authorize Chief Executive Officer to Execute Change Order No. 15 in the net credit amount of ($332,483.71), including an additive amount of $34,859.99 and deductive amount of ($367,343.70), Approve Substantial Completion of Work as of July 12, 2023, and Approve Final Acceptance of Work for the Fireboat Station No. 15 project. (Construction Management - D. Lambrigger)