20 CAR § 880-801 – Generally

(a) Boilers are vessels in which water is heated and/or steam is generated, and shall be classified as defined by the several sections of the ASME Boiler Construction Code, as adopted by 20 CAR § 880-701.
(b) Horizontal return tubular boilers externally fired of lap-joint construction exceeding thirty-six inches (36”) in diameter or any horizontal longitudinal joint exceeding twelve feet (12’) in length shall not be installed or reinstalled.
(c)
1. (1) The factor of safety on all second-hand boilers moved into Arkansas from another state shall be determined at the time of the inspection and a complete report containing all construction data shall be submitted to the Boiler Inspection Division for approval.
2. (2) All such boilers must be constructed in compliance with the ASME code and be registered with the National Board of Boiler and Pressure Vessel Inspectors.
(d) The flat surface of boilers or pressure parts shall be stayed in accordance with the requirements of the ASME Boiler Construction Code for power boilers.
(e)
1. (1) The furnace and setting shall be provided with sufficient openings to permit inspection and repairs.
2. (2) All boilers having an external width of over thirty-six inches (36”) shall have not less than eighteen inches (18”) clearance between the bottom of the boiler and the floor line, with access for inspection.
3. (3) When the width is thirty-six inches or less, the distance between the bottom of the boiler and the floor line shall be not less than six inches (6”).
(f) Boilers installed after October 1, 1999, should be isolated from employees and the general public with a reinforced concrete block wall of not less than eight inches (8”) in thickness, six feet (6’) in height, and the length of such wall shall be governed by the size and positioning of the boiler, but should surround the boiler, leaving adequate openings for entry into the boiler space.
(g) All boilers shall be located so that adequate space will be provided on all sides for the proper operation of the boiler and its appurtenances, for the inspection of all surfaces, tubes, water walls, economizers, piping, valves, and other equipment and for their necessary maintenance and repair.
(h)
1. (1) The gas train and boiler controls shall comply with ASME CSD-1, as adopted by 20 CAR § 880-701.
2. (2) Paragraph CE110 (a) pertaining to disconnect and remote emergency shutoff requirements shall only apply to steam boilers, however, all other boilers must comply with the National Electrical Code, as adopted by the Board of Electrical Examiners of the State of Arkansas, for disconnect devices.
3. (3) Manifolding of fuel vents and bleeds will be allowed, although good engineering practice shall be used as described in CF 190.
4. (4) Owners’ reports and periodic testing as required in part CM are the owners’ responsibility and do not have to be submitted to the division, but shall be requested to be reviewed by the inspector.
(i) “State Specials” can be any boiler or fired/unfired pressure vessel of any type or size, which carries neither the ASME symbol nor National Board of Boiler and Pressure Vessel Inspectors stamping, and which has otherwise been proven acceptable to the Chief Inspector of the Boiler Inspection Division and assigned an Arkansas state number.
(j) All steam boilers shall have installed an audible alarm system to work in union with their other operating control devices, unless the boiler is operated under constant attendance by a boiler operator.