Engineers design structures by estimating the forces they are likely to encounter. Whenever the use case of a structure changes, in this case from balcony to pool, failures and collapses are likely to occur. From this example we can see just how dangerous water can be to structures as it likely weighs over 2 times what this balcony was designed for. In many famous building collapses it’s also found owners will change the use case of what the structure was initially designed for in order to maxim