A. PUB22-221 Consider recommending adoption of an ordinance of the City of Denton, a Texas home-rule municipal corporation, authorizing the approval of a sixth amendment to a Professional Services Agreement between the City of Denton and Hazen and Sawyer, P.C., amending the contract approved by City Council on July 21, 2015, in the not-to-exceed amount of $427,368.00; amended by Amendments 1-5 approved by City Council; said sixth amendment to provide additional engineering services and permitting support for the Hickory Creek Basin Peak Flow Detention Facility and the Hickory Creek Lift Station project; providing for the expenditure of funds therefor; and providing an effective date (File 5768 - providing for an additional sixth amendment expenditure amount not-to-exceed $164,300.00, with the total contract amount not-to-exceed $1,578,006.00).