IOWA CITY — Next fiscal year’s Johnson County budget calls for the addition of almost 12 full-time equivalent jobs.The budget, which calls for $138.3 million in spending, was passed 4-1 by the Johnson County Board of Supervisors last week. Part of that spending includes hours or positions for 11.9 full-time equivalent jobs, which span multiple offices and departments.The added hours or positions, some of which are part-time, are planned for the ambulance department, the county attorney’s office, the public health department, Board of Supervisors’ office, a part-time cook for the Johnson County Jail, a SEATS paratransit driver, a code enforcement inspector for Planning, Development and Sustainability, and a half-year contract extensions for an assistant planner, a natural resource specialist and a social worker.