This is minefield!   Generally the folk that supply the glass and track test it on a rig that is very stiff. When you look at the fine print of their test data they tell you this... but they don't take any responsibility for the fixings of the glass or glass mounting track to the supporting structure.   Your general SE designs the principle structure but when you look at their fine print it often says "glass / track and fixings to be designed by specialists. So no one checks