One more chance is always that reinforcing bars are also near the waterproofing membrane. That would pose structural difficulties, for example insufficient include on the concrete foundation ingredient, together with waterproofing concerns since the waterproofing membrane ought to be in immediate connection with concrete to attain good adhesion. The https://shopping-trends-202022110.alltdesign.com/indicators-on-drilled-pile-foundations-bd-you-should-know-49744710