Charter
Section 600. Public Works Contracts.

The City shall have the power to establish standards, procedures, rules or regulations to regulate all aspects of the bidding, award and performance of any public works contract, including, but not limited to, the compensation rates to be paid for the performance of such work, and the establishment of local preferences.

Municipal Code
Section 3-4.13. Bidding Procedures.

The purchase of supplies, services, equipment, as well as operations and construction projects whose cost does not exceed the limit for informal bidding referenced in Chapter 8-16 of this Code, shall be by bid procedures set forth in this Chapter. Such procedures may be dispensed with, at the discretion and judgment of the Purchasing Authority as to the best interests of the City, as follows: (a) When the amount to be expended is less than the minimum bid requirement stated in the Purchasing Guidelines; (b) When an emergency requires an order be placed with the most expedient available source of supply; (c) When the item(s) may be obtained from only one vendor or supplier; (d) When uniform specifications or standards have been established for the item(s); (e) When the purchase may be made cooperatively with one, or more, other units of government; (f) When it is reasonably necessary for the preservation or protection of public peace, health, safety, or welfare of persons or property; or (g) When the City’s need is of an indeterminate nature and a request for proposal will result in a favorable and efficient comparison of supplies,  equipment, and/or services, or (h) When the terms of law require use of another procurement procedure. (Ord. 2007-02, eff. 4/19/07)