30 ILCS 500/33-20
The Board shall evaluate the construction managers submitting letters of interest and other prequalified construction managers, taking into account qualifications; and the Board may consider, but shall not be limited to considering, ability of personnel, past record and experience, performance data on file, willingness to meet time requirements, location, workload of the construction manager, and any other qualifications-based factors as the Board may determine in writing are applicable. The Board may conduct discussions with and require public presentations by construction managers deemed to be the most qualified regarding their qualifications, approach to the project, and ability to furnish the required services.
The Board shall establish a committee to select construction managers to provide construction management services. A selection committee may include at least one public member. The public member may not be employed or associated with any firm holding a contract with the Board nor may the public member's firm be considered for a contract with that Board while he or she is serving as a public member of the committee.
In no case shall the Board, prior to selecting a construction manager for negotiation under Section 33-30, seek formal or informal submission of verbal or written estimates of costs or proposals in terms of dollars, hours required, percentage of construction cost, or any other measure of compensation.
30 ILCS 500/33-20