An employer must ensure that every ramp -
- the inclination of which renders additional foothold necessary, but in every case where the inclination is more than 14o or one vertical to four horizontal, is provided with stepping laths which -
(i) are placed at suitable intervals; and
(ii) extend the full width of the ramp: Provided that the stepping laths may be interrupted over a width not
exceeding 230 mm to facilitate the movement of barrows; and
- which is higher than 2 m and is provided on both sides with -
(i) substantial guard rails which are at least 900 mm and not exceeding 1 000 mm in height, and
(ii) toe-boards which are at least 150 mm high and so affixed that no open space exists between the toeboard and the ramp.