30. Versailles Wedding Hall

Location: Jerusalem, Israel

Year of Fail: 2001

When designed, the wedding hall was to have one three-story side and one two-story side. Late in construction, the owners changed the plan to add a floor to the shorter side. Building upon what was designed to be a roof, the third story floor was subject to greater loading than originally expected and partitions were added to mitigate the extra weight. A few days before the collapse that killed 23 and injured 380, the owners removed the partitions, causing the third story floor to sag. Thinking this was just an aesthetic problem the owners leveled the floor by adding grout and fill. The extra weight on the already weak area, caused the third floor, hosting a wedding at the time, to come crashing down on those below.

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