L. ID 24-845 Consider adoption of an ordinance of the City of Denton, a Texas home-rule municipal corporation, authorizing the City Manager to execute a contract with Mann Robinson & Son, Inc., for the site preparation and construction of a concrete retaining wall for the Underwood Substation for Denton Municipal Electric; providing for the expenditure of funds therefor; and providing an effective date (CSP 8419 - awarded to Mann Robinson & Son, Inc., in the not-to-exceed amount of $2,680,724.55). The Public Utilities Board recommends approval (4 - 0).