Thanks for your tips Bash,using a 9inch grinder diamond blade with several cuts, ozito demolishion hammer to chizel out and Bobs ya uncle all sorted cheers.

An answer to your question.
the footings are 500 mm deep straight down not a mushroom type,i tried grinding out a channel with a series of cuts with a 9inch grinder…

thanks, i will dig down to find out and take a photo

We are currently building a homestead type dwelling with verandahs and a carport the concrete footings to the steel posts are approx 1000mm in diameter the posts are positioned so…