FREDERICK, Md. (AP) — A Frederick restaurant co-owned by celebrity chef Bryan Voltaggio has agreed to pay three workers a total of $3,540 to settle a lawsuit alleging they worked unpaid overtime.Details of the proposed settlement were filed Friday in U.S. District Court in Baltimore. The agreement is awaiting court approval.Voltaggio and business partner Hilda Staples also would pay about $15,700 to cover the plaintiffs' legal fees and costs. They deny that the workers were improperly paid.The former line cooks at the Volt restaurant filed the lawsuit in September. They said they were required to arrive early but not allowed to clock in until their scheduled start times.Voltaggio was a finalist in the sixth season of the Bravo TV show "Top Chef" in 2009.