The General Assembly intends that this subchapter:
(1) Provide for the efficient procurement of goods and services by governmental units;
(2) Promote the economical, nondiscriminatory, and efficient administration and completion of state and state-funded or state-assisted construction projects;
(3) Provide for fair and open competition for construction contracts, grants, tax abatements, and tax credits awarded by governmental units;
(4) Prohibit requirements for certain terms in construction contracts awarded by governmental units or supported through grants and tax subsidies and abatements by governmental units;
(5) Prohibit expenditure of public funds under certain conditions;
(6) Prohibit certain terms in procurement documents for certain expenditures by governmental units involving public facilities; and
(7) Provide powers and duties for certain public officers, employees, and contractors.