MORE than 500 jobs could be created after three separate business expansion plans were this week given the go ahead.A £1.8 million mix of offices and industrial units at Broadmeadow, Teignmouth, got the go-ahead as did Exeter Estates' 18,000 sq ft development at the former Frank Tucker site, Alphington. Also given the green light was the redevelopment of Dainton Manor Business Park, near Ipplepen.