Massachusetts Statutes

§ 49 — Classes of licenses and work permitted; license renewal; continuing education

Massachusetts·Part I ADMINISTRATION OF THE GOVERNMENT·Title XX PUBLIC SAFETY AND GOOD ORDER·Ch. 146 INSPECTION OF BOILERS, AIR TANKS, ETC. LICENSES OF ENGINEERS, FIREMEN, AND OPERATORS OF HOISTING MACHINERY
Section 49. Licenses shall be granted according to the competence of the applicant and shall be classified as follows: Engineer's licenses: First class, to have charge of and operate any steam plant. Second class, to have charge of and operate a boiler or boilers, and to have charge of and operate engines, no one of which shall exceed 150 horsepower, or to operate a first class plant under the engineer in direct charge thereof. Third class, to have charge of and operate a boiler or boilers not exceeding, in the aggregate, 150 horsepower when solid fuel is burned or not exceeding, in the aggregate, 500 horsepower when steam is generated by the use of liquid or gaseous fuel, electric or atomic energy or any other source of heat and an engine or engines not exceeding 50 horsepower each or to

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