The Worcester (Mass.) Retirement System is searching for a manager to run $35 million in active midcap core equities, according to consultant Meketa Investment Group's website. The $600 million plan will accept proposals for both separate accounts and commingled funds. Plan Chairman James DelSignore was not available for comment at press time. The RFP is available on Meketa's website at www.meketagroup.com/mgrCenter.php. Proposals are due by 4 p.m. EDT Sept. 29.