Rule 146. Fragile roofs, provision of crawling Boards etc

In any factory, no person shall be required to stand or pass over or work on or near, any roof or ceiling covered with fragile material through which he is liable to fall, in case it breaks or gives way, a distance of more than three meters, unless –

(1) suitable and sufficient ladders, duck ladders or crawling boards which shall be securely supported, are provided and used;and

(2) permit to work on the fragile roof is issued to him each time he is required to work there on by a responsible person of the factory concerned.