Section 207(a) in The Building And Other Construction Workers '(Regulation Of Employment And Conditions Of Service) Central Rules, 1998
(a)the pressure plant and equipment,-(i)are examined and tested by the competent person before being put into use for such work;(ii)is of proper design and construction, sound material and adequate strength to perform the work for which it is used;(iii)is properly maintained in good repairs and working condition;