(1) The employer shall ensure at the building or other construction work that overhead protection is erected along the periphery of every building under construction which shall be of fifteen metres or more in height when completed.
(2) Overhead protection referred to in sub-rule (1) shall not be less than two metres wide and shall be erected at a height not more than five metres above the base of the building and. the outer edge of such overhead protection shall be one hundred fifty millimetres higher than the inner edge thereof or shall be erected at an angle of not more than twenty degrees to its horizontal sloping into the building.
(3) The employer shall ensure at the building and other construction work that any area exposed to risk or falling material articles or objects is roped off or cordoned off or otherwise suitably guarded from inadvertent entry of persons other than building worker at work in such area.