(a) This chapter shall be liberally construed and applied to promote its underlying purposes and policies. (b) In enacting this chapter, the Council supports the following statutory purposes: (1) To simplify, clarify, and modernize the law governing the procurement of goods, services, and construction items by the District government; (2) To foster effective and equitably broad-based competition in the District by supporting the free enterprise system and the certified business enterprise program as set forth in subchapter IX-A of Chapter 2 of this title [§ 2-218.01 et seq.], and its implementing rules; (3) To obtain full and open competition by providing that contractors are given adequate opportunities to bid; (4) To ensure the fair and equitable treatment of all persons who deal with the procurement system of the District government; (5) To increase public confidence in the procedures followed in public procurement; (6) To promote efficiency and eliminate duplication in the District government procurement organization and operation to reduce costs; (7) To provide increased economy in procurement activities and maximize, to the fullest extent practicable, the purchasing power of the District government; (8) To permit the continued development of procurement laws, policies, and practices; (9) To provide for timely, effective, and efficient service to District agencies and individuals doing business with the District government; (10) To promote the development of uniform procurement procedures District government-wide; (11) To improve the understanding of procurement laws and policies within the District government by organizations and individuals doing business with the District government; and (12) To promote, to the maximum extent feasible, the purchase of environmentally preferable products and services.