Section 3(2) in The Orissa Boiler Operation Engineers' Rules, 2000
(2)The owner of single boiler or two or more boilers connected in a battery or of many separate individual boilers situated in a premises other than a power station within a radius of 50 metres having a total heating surface exceeding 700 sq. metres in any of the cases shall not use the same or permit the same to be used unless the boiler or boilers are placed in direct charge of a Second Class Boiler Operation Engineers in addition to such number of First Class Boiler Attendants as may be prescribed by the Chief Inspector of Boilers in writing.
