An ordinance to authorize building material restrictions and requirements for BL2025-1143, the River North Urban Design Overlay, for properties located on Cowan Street, Waterside Drive, Oldham Street, North 1st Street, River North Boulevard, Spring Street, and Cowan Court (165.21 acres) (Proposal No. 2017UD-005-011). THE PROPOSED ORDINANCE REQUIRES CERTAIN MATERIALS TO BE RESTRICTED IN THE CONSTRUCTION OF BUILDINGS.