9. 24-3539 Approval of Change Order No. 1 to the AIA A141 Owner-Design Builder Agreement for Construction Services for the Lewisville Fire Training Structures to CORE Construction Services of Texas, Inc., in the Amount of $395,000; Approval of an Increase of the Contract Time (i.e. the Date of Substantial Completion to November 18, 2024); Approval of the Design-Builder's Billing Rates; and Authorization for the City Manager or Her Designee to Execute the Change Order.