Key: (1) language to be deleted (2) new language
Laws of Minnesota 1987 CHAPTER 382-S.F.No. 1232 An act relating to public safety; providing an exception from certain regulations for steam turbines which receive steam from remote municipal facilities; amending Minnesota Statutes 1986, section 183.56. BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MINNESOTA: Section 1. Minnesota Statutes 1986, section 183.56, is amended to read: 183.56 [EXCEPTIONS.] The provisions of sections 183.38 to 183.62, shall not apply to: (1) Boilers in buildings occupied solely for residence purposes with accommodations for not more than five families; (2) Railroad locomotives operated by railroad companies for transportation purposes; (3) Air tanks installed on the right-of-way of railroads and used directly in the operation of trains; (4) Boilers and pressure vessels under the direct jurisdiction of the United States; (5) Unfired pressure vessels having an internal or external working pressure not exceeding 15 p.s.i.g. with no limit on size; (6) Pressure vessels used for storage of compressed air not exceeding five cubic feet in volume and equipped with an American Society of Mechanical Engineers code stamped safety valve set at a maximum of 100 p.s.i.g.; (7) Pressure vessels having an inside diameter not exceeding six inches or a length not exceeding 36 inches; (8) Pressure vessels with a nominal water containing capacity of 120 gallons or less for containing water under pressure including those containing air the compression of which serves only as a cushion; (9) Boiler or pressure vessels located on farms used solely for agricultural or horticultural purposes; (10) Tanks or cylinders used for storage or transfer of liquified petroleum gases; (11) Unfired pressure vessels in petroleum refineries; (12) An air tank or pressure vessel which is an integral part of a passenger motor bus, truck, or trailer; (13) Hot water heating and other hot liquid boilers not exceeding a heat input of 750,000 BTU per hour; (14) Hot water supply boilers (water heaters) not exceeding a heat input of 500,000 BTU per hour, a water temperature of 210 degrees Fahrenheit, a nominal water capacity of 120 gallons, or a pressure of 160 p.s.i.g.;and(15) Laundry and dry cleaning presser not exceeding five cubic feet of steam volume; and (16) Steam powered turbines at paper-making facilities which are powered by steam generated by municipal steam district facilities at a remote location. An engineers license is not required for hot water supply boilers. An engineers license is not required for boilers, steam cookers, steam kettles, steam sterilizers or other steam generators not exceeding 100,000 BTU per hour input, 25 kilowatt, 2-1/2 horsepower or a pressure of 15 p.s.i.g. Electric boilers not exceeding a maximum working pressure of 50 p.s.i.g., maximum of 30 kilowatt input or three horsepower rating shall be inspected as pressure vessels and shall not require an engineer license to operate. Approved June 2, 1987
Official Publication of the State of Minnesota
Revisor of Statutes