Yemen is one developing country in the Middle East, which suffers from housing shortage. Unprecedented rapid urban growth coupled with lack of infrastructure has led to the problem of housing shortage for the low-income group in Sanaa, the capital city of Yemen. Consequently, informal housing patterns are observed clearly in some sectors of the city. The low-income group has built this kind of housing urgently and in some cases immediately as the final and only solution, yielding serious implications on the quality and safety of the houses. The overriding objective of this study ...

This book presents the speed of construction methods which are the conventional system, cast-in-situ method, composite methods, and the Industrialized Building System; including the factors causing delay in construction projects and the factors that affect the speed of IBS. Moreover, this book presents factors that causing delay in construction projects in Malaysia which were 31 factors. These factors were grouped into four major categories by responsibility; contractor factors, owner factors, consultant factors and external factors. Moreover, the factors that affect the speed of IBS consist...