Why the Mwiki,Kasarani Building collapsed and how to prevent this. In February 2012, a building collapsed while under construction in Mwiki,Kasarani. Following a visit to the site, the causes can be deduced as follows: 1. Lack of proper consultancy from the design team. Local Authority bye-laws require that any site in construction should display publicly … Continue reading Why the Mwiki,Kasarani Building collapsed and how to prevent this.