(A) All purchases or contracts covered by this subchapter whose estimated costs exceed $20,000 shall be submitted to the mayor and city council for approval prior to purchase or contract.
(B) Except for the purchases or contracts set forth in § 37.14, all purchases or contracts whose estimated costs exceed $20,000 shall be based upon written specifications and awarded in the following manner:
(1) By written contract let to the lowest responsible bidder after advertising for sealed bids;
(2) In any manner authorized by resolution of the mayor and city council;
(3) In any manner authorized by statute or ordinance.
(Ord. 01-2010, passed 6-8-2010)