The underlying purposes and policies of this purchasing manual are:
(A) To specify, clarify and modernize the rules governing procurement by the city;
(B) To ensure the fair and equitable treatment of all persons who deal with procurement system of the city;
(C) To foster effective broad based competition within the free enterprise system;
(D) To provide safeguards for the maintenance of a procurement system of quality and integrity; and
(E) To maximize to the fullest extent possible the purchasing value of the public funds of the city.
(1980 Code, § 13.1602)