(50 ILCS 20/3) (from Ch. 85, par. 1033)
    Sec. 3. The following terms, wherever used, or referred to in this Act, mean unless the context clearly requires a different meaning:
        (a) "Commission" means a Public Building Commission
    
created pursuant to this Act.
        (b) "Commissioner" or "Commissioners" means a
    
Commissioner or Commissioners of a Public Building Commission.
        (c) "County seat" means a city, village or town which
    
is the county seat of a county.
        (d) "Municipality" means any city, village or
    
incorporated town of the State of Illinois.
        (e) "Municipal corporation" includes a county, city,
    
village, town, (including a county seat), park district, school district in a county of 3,000,000 or more population, board of education of a school district in a county of 3,000,000 or more population, sanitary district, airport authority contiguous with the County Seat as of July 1, 1969 and any other municipal body or governmental agency of the State, and until July 1, 2011, a school district that (i) was organized prior to 1860, (ii) is located in part in a city originally incorporated prior to 1840, and (iii) entered into a lease with a Commission prior to 1993, and its board of education, but does not include a school district in a county of less than 3,000,000 population, a board of education of a school district in a county of less than 3,000,000 population, or a community college district in a county of less than 3,000,000 population, except that until July 1, 2011, a school district that (i) was organized prior to 1860, (ii) is located in part in a city originally incorporated prior to 1840, and (iii) entered into a lease with a Commission prior to 1993, and its board of education, are included.
        (f) "Governing body" includes a city council, county
    
board, or any other body or board, by whatever name it may be known, charged with the governing of a municipal corporation.
        (g) "Presiding officer" includes the mayor or
    
president of a city, village or town, the presiding officer of a county board, or the presiding officer of any other board or commission, as the case may be.
        (h) "Oath" means oath or affirmation.
        (i) "Building" means an improvement to real estate to
    
be made available for use by a municipal corporation for the furnishing of governmental services to its citizens, together with any land or interest in land necessary or useful in connection with the improvement.
        (j) "Delivery system" means the design and
    
construction approach used to develop and construct a project.
        (k) "Design-bid-build" means the traditional delivery
    
system used on public projects that incorporates the Local Government Professional Services Selection Act (50 ILCS 510/) and the principles of competitive selection.
        (l) "Design-build" means a delivery system that
    
provides responsibility within a single contract for the furnishing of architecture, engineering, land surveying and related services as required, and the labor, materials, equipment, and other construction services for the project.
        (m) "Design-build contract" means a contract for a
    
public project under this Act between the Commission and a design-build entity to furnish architecture, engineering, land surveying, and related services as required, and to furnish the labor, materials, equipment, and other construction services for the project. The design-build contract may be conditioned upon subsequent refinements in scope and price and may allow the Commission to make modifications in the project scope without invalidating the design-build contract.
        (n) "Design-build entity" means any individual, sole
    
proprietorship, firm, partnership, joint venture, corporation, professional corporation, or other entity that proposes to design and construct any public project under this Act. A design-build entity and associated design-build professionals shall conduct themselves in accordance with the laws of this State and the related provisions of the Illinois Administrative Code, as referenced by the licensed design professionals Acts of this State.
        (o) "Design professional" means any individual, sole
    
proprietorship, firm, partnership, joint venture, corporation, professional corporation, or other entity that offers services under the Illinois Architecture Practice Act of 1989 (225 ILCS 305/), the Professional Engineering Practice Act of 1989 (225 ILCS 325/), the Structural Engineering Licensing Act of 1989 (225 ILCS 340/), or the Illinois Professional Land Surveyor Act of 1989 (225 ILCS 330/).
        (p) "Evaluation criteria" means the requirements for
    
the separate phases of the selection process for design-build proposals as defined in this Act and may include the specialized experience, technical qualifications and competence, capacity to perform, past performance, experience with similar projects, assignment of personnel to the project, and other appropriate factors. Price may not be used as a factor in the evaluation of Phase I proposals.
        (q) "Proposal" means the offer to enter into a
    
design-build contract as submitted by a design-build entity in accordance with this Act.
        (r) "Request for proposal" means the document used by
    
the Commission to solicit proposals for a design-build contract.
        (s) "Scope and performance criteria" means the
    
requirements for the public project, including but not limited to, the intended usage, capacity, size, scope, quality and performance standards, life-cycle costs, and other programmatic criteria that are expressed in performance-oriented and quantifiable specifications and drawings that can be reasonably inferred and are suited to allow a design-build entity to develop a proposal.
        (t) "Guaranteed maximum price" means a form of
    
contract in which compensation may vary according to the scope of work involved but in any case may not exceed an agreed total amount.
    Definitions in this Section with respect to design-build shall have no effect beginning on June 1, 2018; provided that any design-build contracts entered into before such date or any procurement of a project under this Act commenced before such date, and the contracts resulting from those procurements, shall remain effective. The actions of any person or entity taken on or after June 1, 2013 and before the effective date of this amendatory Act of the 98th General Assembly in reliance on the provisions of this Section with respect to design-build continuing to be effective are hereby validated.
(Source: P.A. 98-299, eff. 8-9-13; 98-619, eff. 1-7-14.)