IBEW Local Union 613, Atlanta, will add the Vanguard Windsor II, Selective Value Index, Midcap Growth, Explorer and REIT funds as investment options in its $200 million defined contribution plan, said Lonnie Plott, business manager. Trustees wanted to fill style gaps, Mr. Plott said. The plan will offer 18 investment options, up from 13. Vanguard is investment manager; Administrative Services is third-party administrator. Record keeping is handled internally.