Assessment of risks in high rise building construction in Jakarta

Risk is inherent in every construction project, especially complex projects like high rise buildings. It is helpful to understand the significant risks in order to anticipate their possible negative effects on projects. This research identifies, ranks and categorizes high potential risks in high rise building projects in Jakarta. Questionnaire surveys and interviews were conducted on engineers from contracting firms in the city. The result shows that risks related to management and design are the most significant in high rise construction projects. It is also shown that client interference should be avoided or reduced in tandem with good communication and teamwork between contractors and consultants to minimize defects. Contractors also need to give attention to the maintenance of equipment in order to sustain high productivity levels.