121. Responsible person.- (1) Every employer undertaking excavation or tunnelling work at a construction site of a building or other construction work shall appoint a responsible person for safe operation of such excavation or tunnelling work. (2) Duties and responsibilities of the responsible person referred to in sub-rule (1) person shall include- (a) to carry out smoothly such excavation or tunnelling work; (b) to inspect and rectify any hazardous situation relating to such excavation or tunnelling work; (c) to take remedial measures to avoid any unsafe practice or conditions relating to such excavation or tunnelling work. (3) The names and address of the responsible person referred to in sub-rule (1) shall be forwarded to the Chief Inspector of Inspections of Building and Construction, Delhi. | 
