Factors Affecting Construction Productivity In Saudi Arabia

摘要

Productivity of various trades in construction is the basis of arriving at estimates for time and cost required to complete a construction process. However, it is sensitive to changing variables such as material, labors, environmental, and managerial. This paper reports on a survey made on contractors of building projects in Saudi Arabia, where an increase in productivity is being sought. Respondents were required to rate using their experience how 38 factors affect productivity. The survey was carried out by a questionnaire. Based on factor source, the 38 affecting factors have been classified into 5 categories: financial, labors, managerial, environmental, and equipments and materials. The results show that the top five factors affecting construction productivity in Saudi Arabia from contractors' perspective are: (1) poor communication and coordination between construction parties, (2) low wages, (3) lack of labor experience, (4) frequent change orders, (5) stoppages because of work being rejected by consultants.