The Chicago Department of Assets, Information and Services opened a Request for Qualifications on Monday for “food, beverage, retail, arts” and other businesses to operate on the Chicago Riverwalk during the 2022 season. Applications are available online and due on Nov. 8. The assets department will host a “pre-submittal seminar” at 2 p.m. on Oct. 13, when city officials will “explain the application process, describe the Community Marketplace program, and answer questions,” according to an announcement.