Surely one of the first things you need to do is audit infections, re cannulation rates and failures. Then look at costings per cannula and how many staff you have who are good at cannulation. There are plenty of articles in this site to help you with forming one its just proving you need one with raw data!! Good luck. use the uk as a moot point showing how we save money and have reduced infections throughout most trusts.
I agree with the above answer. Our CT techs are all qualified radiographers and have extended their role to include accessing other VAD. Some prefer not to access ports due to lack of numbers to maintain their competence but not due to their ability.