This is common issues today related with the safety of construction works. Frank Gehry, one of the famous architect that being sued by MIT for his fatal design (article related), the roof of the mangkang terminal construction that just collapse down and bring down 15 of its workers to the hospital (attached article), and so on. As one of the main contractor here, I’ve already found that there are a lot of factors those can made these things happen, such as mismanagement of the project, low quality of the materials …