On shotcrete sites, it is not unusual to hear comments starting with œIn a perfect world, … Of course, in a perfect world,there wouldn™t be any shotcrete because there wouldn™t be anything to repair or strengthen. Fortunately, there are plenty of imperfections in the jurisdiction where most of my work comes from. We ï¬nd them on cracked and ï¬ssured rock slopes next to highways, in ground to be tunneled for infrastructure improvements, in old masonry walls, washed-out bridge foundations, and in marine piers where the chloride concentration at the rebar level in the concrete exceeds the reasonable limit set for the onset of corrosion.