Ohio School Employees Retirement System, Columbus, issued an RFP for at least one general consultant, according to the plan's website, www.ohsers.org. The contract with existing consultant Russell Investment Group expires at the end of the first quarter. The RFP is available at the $9.2 billion system's website. Proposals are due Dec. 31, and a selection will be made in the first quarter. Calls to James Winfree, executive director, and spokeswoman Julie Graham-Price were not returned by press time.