Section 21(2) in The Rajasthan Boiler Attendants' Rules, 1954
(2)[ A certificate of second class qualify the holder thereof to be incharge of a single boiler of any kind, the heating surface of which does not exceed 1.500 sq. ft. A second class boiler attendant may, however, attend to a battery of boilers (not consisting of more than three connected boilers and not exceeding 1.500 sq. ft. in aggregate of total heating surface), provided he is assisted by the number of firemen considered necessary by the Chief Inspector of Boilers.] [Renumbered and sub-rule (3) and (4) inserted by Notification No. F. 12(35)/L & F 782, dated 24.1.1985-Rajasthan Gazette, Part IV-C(i), dated 7.2.1985, page 402.]
