The bidding and awarding of contracts shall be as established by ordinance. The General board of control consisting of the Mayor, Director of Safety and Service, and the Director of Finance shall have such responsibility regarding the consideration and awarding of contracts as Council authorizes by ordinance. The Public Utilities board of control consisting of the Mayor, Director of Utilities, and Director of Finance shall have such responsibility regarding the consideration and awarding of contracts in the Department of Public Utilities as Council authorizes by ordinance. (Amended by voters 11-3-81.)