below these areas and failure to replace the waterproofing in the near future will cause the extent of the concrete deterioration to expand exponentially. this report is from 2018. cnn spoke to a engineer who looked at this garage last year, during an inspection and here is what he saw. take a listen. i saw cracks in the stucco facade, i saw deterioration of the concrete balloony and the garage and plaza level but those are all things that we re accustomed to seeing. there could have been construction errors or design errors or design defects. there was maintenance or repairs that needed to be performed. all of those things together likely contributed to what happened here. reporter: of course this raises a lot of questions about who knew what and when, wolf. you ve been here for a few days
a miami-dade county government structural and electrical assessment of any building 40 years old. according to the condominium association attorney, the building had multiple inspections and was in the proc process of extensive work which would have cost $15 million. i saw things i typically see when we re looking at buildings. i saw cracks in the stucco facade, deterioration of the concrete balconies, but those are all things that we re accustomed to seeing and it s why our job exists. any cause for alarm in what you saw? what i saw, no. reporter: the lack of alarm is now sending chills through residents in other aging buildings along this beach and beyond. spe inspections under way. voluntary evacuations for the champlain towers sister building and a rush to find the answer to why this building just fell.