Section 22(1) in Punjab Boiler Attendants Rules, 1961
(1)Except as otherwise provided in these rules, certificates of competency granted thereunder shall be of two classes. The certificate of the First Class shall qualify a holder thereof to be in charge of a single boiler with steam pipes of any type or capacity or two or more boilers in a battery or of so many separate individual boilers, the total heating surface of which does not exceed 7,500 square feet, provided that such boilers shall be situated within a radius of 75 feet in the same premises and belong to one owner and provided he is assisted by a second class boiler attendant or such number of firemen as are considered necessary by the Chief Inspector.
