Hey Markie, sorry have not been following this....
Grab one of these for your Milwalkie drill on hammer only.
https://www.bunnings.com.au/full-boa...E&gclsrc=aw.ds
if you have power where you are then easy on an SDSPlus Rotary hammer drill. If not then the Milwalkie Rotary hammer only will work fine. Easy as i reckon. Turn it over face down and it should make easy work of it.