All such contracts shall be in writing, shall be executed by the director in the name of the city, and shall be made with the highest responsible bidder, if such bidder shall qualify by providing the security required hereinbelow. If the highest and best bid or any other bid has been rejected, or if the bidder to whom the contract was awarded has failed to enter into the contract and furnish satisfactory security, the director may, in the director’s discretion, award the contract to the next highest responsible bidder.
(Sec. 30-2.11, R.O. 1978 (1983 Ed.)) (1990 Code, Ch. 28, Art. 2, § 28-2.11)