Though Chicago’s new Fair Workweek Ordinance doesn’t take effect until next summer, labor and employment lawyers say there’s plenty of groundwork businesses need to start now to prepare.The ordinance, enacted last month by the Chicago City Council, will penalize ordinance-violating businesses with fines between $300 to $500 per violation for each offense.“If an employer is not in compliance with each necessary piece of the law, they’re going to have numerous violations across their entire …