A maintenance worker who alleges he regularly worked at an adult day-care business for 10 to 12 hours a day without overtime pay does not have a claim under the Fair Labor Standards Act, a federal judge ruled.In a written opinion last week, U.S. District Judge Robert W. Gettleman dismissed the proposed class-action lawsuit Paul Kim filed against the Center for Seniors and its operators.Gettleman held the business is exempt from the requirements of the FLSA because it is a nonprofit organization.Gettleman rejected the …