Section 206(e) in Chhattisgarh Building and Other Construction Workers' (Regulation of Employment and Conditions of Service) Rules, 2008
(e)the work in compressed air in a cofferdam or caisson is : -(i)carried out in accordance with the procedure laid down in the relevant national standards;(ii)carried out by such building workers who have completed eighteen years of age and are medically examined as required under Rule 223;(iii)carried out under the supervision of a responsible person ;