K. ID 23-2087 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 Parker Power Systems, Inc., as the primary vendor, Alturex, LLC, as the secondary vendor, and On-Site Power Systems, Inc., as the tertiary vendor, for all labor, materials, tools, equipment, and for the supervision of generator services for various City buildings, and to assist with redundant power for existing facilities and structures for the Facilities Management Department; providing for the expenditure of funds therefor; and providing an effective date (RFP 8303 - awarded to Parker Power Systems, Inc., Alturex, LLC, and On-Site Power Systems, Inc., for one (1) year, with the option for four (4) additional one (1) year extensions, in total five (5) year in the not-to-exceed amount of $2,400,000.00).