Gateway Industrial Centre, under development in Hall County, was the focus of much discussion during the Gainesville and Hall County Development Authority meeting Friday morning. The industrial park got a state designation, but authority members also had to approve additional design and construction expenses of more than $470,000. The authority is developing the Gateway Industrial Centre in partnership with Hall County, said Tim Evans, vice president of economic development A letter from Rochester & Associates Inc., a land development consulting firm with a Gainesville office, described additional costs the company incurred during its project work.