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Oklahoma Administrative Code (Last Updated: March 11, 2021) |
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TITLE 380. Department of Labor |
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Chapter 25. Boiler and Pressure Vessel Rules |
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Subchapter 1. General Provisions |
SECTION 380:25-1-2. Definitions
Latest version.
- The following words and terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise."The Act" means the Oklahoma Boiler and Pressure Vessel Safety Act, Title 40, Sections 141.1 through141.20 of the Oklahoma Statutes."Accident or incident", means a sudden or accidental breakdown of a boiler or pressure vessel or any part thereof that manifests itself at the time of its occurrence by physical damage to the boiler or pressure vessel necessitating the repair or replacement of the boiler or part thereof. Accident does not mean normal erosion, corrosion, wastage of metal requiring restoration, leaking tubes or weakened metal such as water legs, handhole areas, etc., unless a unique or unusual explosion hazard exists as a result of any failure."Alteration" means a change in any item described on the original Manufacturers' Data Report which affects the pressure capability of the boiler or pressure vessel or as further defined in the NBIC or ANSI/API 510 as appropriate."ANSI/API 510 Pressure Vessel Inspection Code" means the American National Standard for Pressure Vessels Inspection for the Petroleum and Chemical Process Industries. This Code covers the maintenance, inspection, repair, alteration, and re-rating procedures for pressure vessels within its scope. Copies of the Code may be obtained from the API."API" means, as used herein, the American Petroleum Institute, 1220 L Street NW, Washington, D.C. 20005-4070."API-ASME Code" means the American Petroleum Institute (API) in conjunction with the ASME Code as used in this Chapter and shall mean the Code for Unfired Pressure Vessels for Petroleum Liquids and Gases."Approved" means approved by the Commissioner of Labor or the Chief Inspector."ASME Code" means the American Society of Mechanical Engineers Boiler and Pressure Vessel Code with such revisions, amendments, and interpretations thereof as are made, approved, and adopted by the Council of the Society, and approved and adopted by the Commissioner of Labor. Copies of the Code may be obtained from said Society at 22 Law Dr., Box 2300, Fairfield, NJ 07007-2300."Authorized inspection agency" means one of the following:(A) A department of division established by a jurisdiction which has adopted and does administer one or more sections of the ASME Code, one of which shall be Section I as a legal requirement, and whose Inspectors hold valid commissions issued by the National Board of Boiler and Pressure Vessel Inspectors;(B) An insurance company which has been licensed or registered by the appropriate authority of a state of the United States or a province of Canada to write boiler and pressure vessel insurance and does write, and/or provides inspection service of boilers and pressure vessels in such state or province.(C) An owner/user inspection agency as defined in this Section."Authorized Inspector" means the Chief Inspector or Deputy Inspector, Special Inspector or Owner/User Inspector."Boiler" means a closed vessel in which water is heated, steam is generated, steam is superheated, or any combination thereof, under pressure or vacuum, for use external to itself, by the direct application of heat. The term "boiler" includes fired units for heating or vaporizing liquids other than water where these units are separate from processing systems and complete within themselves."Building intended for human occupancy" means:(A) A dwelling. For the purposes of this Act, each separate dwelling unit of a multiple dwelling unit building is counted as a separate building intended for human occupancy.(B) A building that is occupied by twenty (20) or more persons during normal use.(C) A small, well defined outside area that is occupied by twenty (20) or more persons during normal use."Certificate inspection" means an inspection, the report of which is used by the Commissioner or the Chief Boiler Inspector as justification for issuing, withholding, or revoking the certificate of operation. This certificate inspection shall be an internal inspection when required; otherwise, it shall be as complete an inspection as possible.(A) "Internal inspection" means as complete an examination as can reasonably be made of the internal and external surfaces of a boiler or pressure vessel while it is shut down and manhole plates, handhole plates or other inspection opening closures are removed as required by the Inspector.(B) External inspection. An inspection made when a boiler or pressure vessel is in operation, if possible."Certificate of competency" means a certificate issued to a person who has passed an examination as provided for in the Act, or to an employee, of an Oklahoma Owner-User inspection agency, who holds an API Certification as an inspector of pressure vessels."Certificate of operation" means a certificate issued by the Commissioner for the operation of a boiler or pressure vessel as required by the Act."Chief inspector" means the Chief Boiler and Pressure Vessel Inspector appointed under the Act."Commission - National Board" means the commission issued by the National Board of Boiler and Pressure Vessel Inspectors to a holder of a certificate of competency who desires to make shop inspections or field inspections in accordance with the National Board By-Laws and whose employer submits the Inspector's application to the National Board for such commission."Commissioner" means the Commissioner of Labor or his duly authorized representative."Condemned boiler or pressure vessel" means a boiler or pressure vessel that has been inspected and declared unsafe or disqualified by legal requirements by an Inspector, and a stamping or marking designating its condemnation has been applied by the Chief or Deputy Inspector."Deputy inspector" means an Inspector appointed by the Chief Boiler Inspector subject to the approval of the Commissioner under the provisions of the Act."Downstream welded steamlines" means all welded steam lines operated in excess of 15 psig, not within the scope of Section I of the American Society of Mechanical Engineers Boiler and Pressure Vessel Codes."Electric boiler" means a power boiler or heating boiler in which the source of heat is electricity."Existing installation" includes any boiler or pressure vessel constructed, installed, placed in operation, or contracted for before twelve (12) months from the date upon which the rules of this Chapter become effective."Heat recovery boiler" means a vessel or system of vessels comprised of one or more heat exchanger surfaces used for the recovery of waste heat."High-temperature water boiler" means a water boiler intended for operation at pressures in excess of 160 psig and/or temperatures in excess of 250 EF."Hot water heating boiler" means a boiler in which no steam is generated, from which hot water is circulated for heating purposes and then returned to the boiler, and which operates at a pressure not exceeding 160 psig (1100 kPa gauge) and/or a temperature of 250 EF (121 EC) at or near the boiler outlet."Hot water supply boiler" means a boiler completely filled with water that furnishes hot water to be used externally to itself at pressures not exceeding 160 psig (1100 kPa gauge) or at temperatures not exceeding 250 EF (121 EC) at or near the boiler outlet, or as further defined in American Society of Mechanical Engineers Boiler and Pressure Vessel Code Section IV."Hot water supply heater" means a closed vessel in which water is heated by the combustion of fuels, electricity, or any other source and withdrawn for use external to the system at pressures not exceeding 160 psig (1100 kPa gauge) and shall include all controls and devices necessary to prevent water temperatures from exceeding 210 EF (99 EC)."Jurisdiction" means the State of Oklahoma, which has adopted one or more sections of the ASME Code, one of which is Section I, and maintains a duly constituted Bureau for the purpose of enforcement of such Code."Low pressure steam boiler" means a steam or vapor boiler operating at pressure not exceeding 15 psig."Measurement - (one-fourth square mile)" means beginning at the pressure vessel measuring north, south, east, and west, the distance of one-fourth (1/4) mile (1320 feet) to establish a square that encompasses 160 acres and a square that measures one-half (2) mile (2640 feet) on each side. The vessel to rest at the center of this square."Miniature boiler" means a power boiler or high-temperature water boiler which does not exceed the following limits:(A) 16 inches (410 millimeters) inside diameter of shell;(B) 20 square feet (1.9 square meters) heating surface (not applicable to electric boilers);(C) 5 cubic feet (140 liters) gross volume exclusive of casing and insulation;(D) 100 psig (690 kPa gauge) maximum allowable working pressure."Minor repairs and maintenance" means minor repairs and/or maintenance that the manufacturer prescribes and which the manufacturer identifies as being performable by the equipment owner or operator."National Board" means the National Board of Boiler and Pressure Vessel Inspectors, (NB) 1055 Crupper Avenue, Columbus, Ohio 43229, whose membership is composed of the Chief Boiler Inspectors of jurisdictions who are charged with the enforcement of the provisions of the ASME Code."NBIC - National Board Inspection Code" means the manual for Boiler and Pressure Vessel Inspectors published by the National Board. Copies of this code may be obtained from the National Board."New boiler or pressure vessel installation" includes all boilers or pressure vessels constructed, installed, or placed in service twelve (12) months from the date upon which the rules of this Chapter become effective."Nonstandard boiler or pressure vessel" means a boiler or pressure vessel that does not bear the ASME stamp, the API-ASME stamp, or the stamp of any jurisdiction which has adopted a standard of construction equivalent to that required by this state."Owner or user" means any person, firm, or corporation legally responsible for the safe installation, operation, and maintenance of any boiler or pressure vessel within the jurisdiction."Owner/user inspection agency" means an owner or user of boilers or pressure vessels or both, who maintains a regularly established inspection department, whose organization and inspection procedures meet the requirements of the Act and these rules and are acceptable to the Commissioner."Owner/user inspector" means an Inspector holding an Oklahoma certificate of competency who is continuously employed as an Inspector by an owner/user inspection agency."Portable boiler" means a boiler which is primarily intended for temporary location, and the construction and usage permits it to be readily moved from one location to another."Power boiler" means a boiler in which steam or other vapor is generated at a pressure of more than 15 psig (pounds per square inch gauge)."Pressure retaining item" means any boiler, pressure vessel, piping, or material used for the containment of pressure, either internal or external, as defined in the American Society of Mechanical Engineers Boiler and Pressure Vessel Code. The pressure may be obtained from an external source, or by the application of heat from a direct source, or any combination thereof."Pressure vessel" means a vessel in which the pressure is obtained from an external source, or by the application of heat from an indirect source, or from a direct source other than those boilers defined in this Section."PSIG" means pounds per square inch gauge."Reinstalled boiler or pressure vessel" means a boiler or pressure vessel removed from its original setting and reinstalled at the same location or at a new location without change of ownership."Repair" means the work necessary to restore a boiler or pressure vessel to a safe and satisfactory operating condition or as further defined in the NBIC or API 510 as applicable."Repair firms" means those firms or corporations licensed by the Commissioner of Labor to perform installations, service, repair and/or alterations to boilers and/or pressure vessels covered by this Act."Second-hand boiler or pressure vessel" means a boiler or pressure vessel which has changed both location and ownership since primary use."Special inspector" means an Inspector holding an Oklahoma certificate of competency who is regularly employed by an insurance company recognized as an Authorized Inspection Agency."Standard boiler or pressure vessel" means a boiler or pressure vessel which bears the stamp of this State; the ASME stamp, the API-ASME stamp, both the ASME and National Board stamp, or the stamp of another jurisdiction which has adopted a standard of construction equivalent to that required by this State."Steam heating boiler" means a steam boiler for operation at pressures not exceeding 15 psig (103 kPa gauge)."Triennially" means, as used herein, at least one inspection within a three (3) year period."Waste heat boiler" means an unfired pressure vessel or system of unfired pressure vessels intended for operation in excess of 15 psig steam for the purpose of producing and controlling an output of thermal energy.