Something that wasn't obvious to me before. The entire site's at-grade slab was elevated, and a large portion collapsed, essentially all the way to the pool and to the property line, even though the collapse of the tower was 100' or so away from this extent of the pool deck. It is remarkable...
All of the design guides (SJI Tech Bulletin #3, etc) are written in such a way to make me think that the calculations and designs presented therein are for roofs where drainage is blocked and the rain loading is a function of the difference in secondary and primary drain elevations. In the case...