In providing the necessary court house facilities as required in Section 5-1106, the county board in any circuit composed of only one county with a population of over 300,000 inhabitants shall also provide a room or rooms large enough to accommodate all who are reporting for jury duty so that such persons shall remain segregated from all others in the court house until the persons so reporting have been assigned to jury duty or have been excused.
55 ILCS 5/5-1107