Ready to apply for workers' compensation coverage? Fill out the Application for Ohio Workers' Compensation Coverage (U-3).Ohio workers' compensation helps injured workers and employers cope with workplace injuries. (1) The Compensation Plan is organized into nine (9) pay grades for non-executive personnel and two (2) pay grades for executive personnel. In Ohio, part-time employees must fill out a Part-Time Employment Calculation Report. To request a copy of your file, you may contact Sedgwick. At (888) 647-3815 or fax your request to (855) 855-9836. You can view forms on the BWC or the Industrial Commission web site. You can fill out some forms on-line. Workers' compensation rates in Ohio are calculated based on the injured worker's average weekly wage (AWW) at the time of the injury.