193. Board, plank and decking.- The employer shall ensure at a construction site of a building or other construction work that- (a) board, plank and decking used in the construction of a working platform is of uniform size and strength and is capable of supporting the load and number of building workers in accordance with the relevant national standards keeping in view the safety of such building workers; (b) metal decking, which forms part of a working platform, is provided with non-skid surface; (c) no board or plank which forms the working platform is projected beyond its end support unless it is effectively prevented from tripping or lifting; (d) board, plank or decking is fastened and secured; (e) at any one time, not more than two working platforms per bay, are used to support building workers or materials or articles at such bay; (f) adequate measures are taken to prevent injury which may be caused by falling material and objects by using safety nets or other suitable means; (g) concrete, other debris or materials are not allowed to accumulate at any platform on a scaffold; (h) where a work is to be done at the end of a wall, working platform at such workplace is faced or, wherever practicable, at least zero point sixty meters beyond the end of such wall. | 
