hand drawn architectural cross section from the 1960s https://shop.barbican.org.uk/products/pod1049390 edit: misread the title, thought we were talking about the barbican again
cf this programme from the BBC Archive: https://www.youtube.com/watch?v=vvXpvH99tic It was clearly badly designed and problematic right from the start with little in the way of shops or services for the residents. But that's the thing about monumentalist architecture: looks singular but function is an afterthought. The south bank centre is similar.