interesting, I didn’t know there were sound reasons for the bollard designs, I thought it was just some cheap ass corner cutting. of the prototypes the half-bollard half-solid wall with the tube on top seems to have a lot going for it. But still, how hard would it be to notch two bollards just a bit then bottle-jack them apart enough to wiggle through?
“how hard would it be to notch two bollards just a bit then bottle-jack them apart enough to wiggle through?”
It has not been a problem. The bollards are hard, thick steel. They have been the solution to the problem of people cutting holes through the other metal fence designs.