1. 1. Boilers This chapter does not apply to:

   1. A. Boilers that are under federal control;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   2. B. Boilers used solely for propelling motor road vehicles;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   3. C. Boilers of steam fire engines brought into the State for temporary use in times of emergency to check conflagrations;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   4. D. Boilers used for agricultural purposes only;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   5. E. Steam heating boilers, hot water heating boilers and hot water supply boilers , with the exception of boilers located in schoolhouses; or

      [PL 2015, c. 311, §1 (AMD).]

   6. F. Miniature boilers exempt pursuant to section 15103‑A.

      [PL 2013, c. 70, Pt. C, §8 (AMD).]

   [PL 2015, c. 311, §1 (AMD).]

2. 2. Pressure vessels This chapter does not apply to:

   1. A. Pressure vessels that are under federal control;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   2. B. Pressure vessels used for the transportation and storage of compressed or liquefied gases constructed in compliance with specifications of the United States Department of Transportation;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   3. C. Pressure vessels located on vehicles operating under the rules of other state authorities and used for carrying passengers or freight;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   4. D. Pressure vessels installed on the right-of-way of railroads and used directly in the operation of trains;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   5. E. Pressure vessels used solely for agricultural purposes on farms;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   6. F. Pressure vessels located in private residences and apartment houses with fewer than 6 apartments;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   7. G. Pressure vessels having an internal or external operating pressure not exceeding 15 pounds per square inch;

      [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   8. H. Vessels for containing water under pressure, including those containing air, the compression of which serves only as a cushion, when neither of the following limitations is exceeded:

      1. (1) A design pressure of 300 pressure pounds per square inch; or

      2. (2) A design temperature of 210 degrees Fahrenheit;

         [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   9. I. Pressure vessels containing water heated by steam or any other direct or indirect means when none of the following limitations are exceeded:

      1. (1) A heat input of 200,000 British thermal units per hour;
      2. (2) A water temperature of 200 degrees Fahrenheit; or

      3. (3) A normal water-containing capacity of 120 gallons;

         [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   10. J. Pressure vessels that do not exceed:

       1. (1) Five cubic feet in volume and 250 pounds per square inch gauge pressure;
       2. (2) One and 1/2 cubic feet in volume and 600 pounds per square inch gauge pressure; or

       3. (3) An inside diameter of 6 inches with no limitation on pressure; or

          [PL 2003, c. 204, Pt. G, §1 (AMD).]

   11. K. Pressure vessels that are used as an integral part of a circuit breaker or transformer.

       [PL 1995, c. 560, Pt. H, §14 (NEW); PL 1995, c. 560, Pt. H, §17 (AFF).]

   [PL 2003, c. 204, Pt. G, §1 (AMD).]

PL 1995, c. 560, §H14 (NEW). PL 1995, c. 560, §H17 (AFF). PL 1999, c. 386, §W4 (AMD). PL 2003, c. 204, §G1 (AMD). PL 2013, c. 70, Pt. C, §§7, 8 (AMD). PL 2013, c. 595, Pt. U, §11 (AMD). PL 2015, c. 311, §1 (AMD).