Section 132 in The Building And Other Construction Workers '(Regulation Of Employment And Conditions Of Service) Central Rules, 1998
132. Safety measures for tunnelling operation. - The employer shall ensure at a construction site of a building or other construction work that-
(a)where there is a danger of falling or sliding of material from the roof face or wall of a tunnel, adequate measures such as shoring, supporting by means of rock bolts, segments or steel sets are taken for the safety of building workers;(b)the excavated areas are made safe by use of suitably designed and installed steel sets, rock bolts or similar other safe means;(c)the responsible person referred to in rule 121 examines and inspects the workplaces in a tunnel before the commencement of work in such tunnel, and at regular intervals thereafter, to ensure safety of the building workers in such tunnel;(d)the portal areas of a tunnel with loose soil, or rock, likely to cause injury to a person are adequately protected with supports.
