On 05/09/13 at 4:08 P.M, Injury Person (IP) fell from the roof of one of the buildings under construction on
the site from a height of approximately 22 meters. IP was an employee of subcontractor which is the main
contractor hired by Company A to execute all steel structure erection activities. At the time of the incident,
IP was involved in one of the activities for the installation of a ventilation system on the roof top of the
building. IP stepped on a cut tile section which was going to be removed to provide the roof opening as per
project specifications. The worker was equipped with appropriate safety harness, although none of its two
lanyards were attached to either of the two life‐lines nearby.