In order to establish efficient procedures for the purchase of supplies, services and equipment, to secure for the city supplies, services and equipment at the lowest possible cost commensurate with quality needed, to exercise positive financial control over purchases, to clearly define authority for the purchasing function and to assure the quality of purchases, a purchasing system is hereby adopted. All purchases or services or supplies for “public projects” as defined in Section 20161 of the Public Contract Code (or any successor to that section) shall be made in accordance with the Public Contract Code and with CMC 3.16.180 and 3.16.220, as applicable. All other purchases of supplies, services and equipment shall be made in accordance with this chapter. (Ord. 649 § 2, 2015).