These include a new governance, leadership and management structure and escalating matters to the executive leadership team at the first sign of trouble.
All contractors on the project, he said, would get paid only for delivering outcomes, adding the consequences for non-delivery on time were "very, very clear".
Asked by councillor Cameron Brewer if the project would be delivered on time and on budget, Mr Kimpton said the important thing was to deliver on the new budget.
The IT project, which was supposed to be completed by June 2016, now has two key dates for implementation - June 2016 and June 2017.
While the costs of NewCore have increased by $100 million, these costs will come out of the $454 million budget for IT in a new 10-year budget.