The employer shall ensure at a construction site of a building or other construction work that,--
(a) safe means of access is provided to every part of a lifting appliance;
(b) the operator's platform on every crane or tip driven by mechanical power is securely fenced and is provided with safe means of access and where access to such platform is by a ladder,--
(i) the side of such ladder extends to a reasonable height beyond such platforms or some other suitable handhold is provided in lieu thereof to prevent any falling of persons from such platforms;
(ii) the handling place on such platform is maintained free from obstruction and slipping: and
(iii) in case the height of such ladder exceeds six metres, the resting platforms are provided on such ladder at every six metres of its height and where the distance between last platform so provided and the top end of such ladder is more than two metres then on such top end.