MEP riser shafts were not protected adequately to prevent fall of men and materials in Podium 6 ( Repeated observation). ABM shall ensure to complete block work at least with a height of 1 meter, and ply boards securely fixed and nailed. ABM shall consider installing wire mesh to prevent debris falling through riser shafts. ABM shall ensure to allow only single level working with PTW and level above and below is closed.
Hazard category: Falls from height