NEW State Treasurer Troy Buswell said there had been a $700 million cost blowout in the former Labor government’s capital works program. Mr Buswell released a list of projects with major cost over-runs, including the Perth Arena, Swan Health campus, stage 1 of the Joondalup Health campus, the Albany Health and Regional Resource Centre, the Geraldton-Pinjar transmission line and the Agriculture HQ and Biosecurity relocation