An employer shall ensure that every ramp -
(a) is constructed in accordance with accepted technical standards;
(b) has a safety factor of at least two with respect to the load it is expected to carry: Provided that the design makes sufficient provision for the load on the ramp as a result of the turning, braking and acceleration of vehicles, if the ramp is used for vehicles; and
(c) has an inclination to the horizontal level of not more than 34o or one vertical to one and one half horizontal.