The Maryland Board of Public Works has delayed voting on a potential $11.7 million contract that may allow a Carroll County juvenile facility to double the number of young people in residency. A key vote, originally scheduled for earlier this week, has been postponed for an additional three weeks. Pending approval, the measure would increase the number of juvenile residents at the Silver Oak Academy in Keymar, Md. from 48 to 96 young people. The service contract modification, which is termed from Feb.