Definitions

The following words and terms, when used in 522 CMR, shall have the following meanings: Alteration. A change in the item described on the original Manufacturer’s Data Report which affects the pressure containing capability of the pressure-retaining item. Nonphysical changes such as an increase in the maximum allowable working pressure (internal or external), increase in design temperature, or a reduction in minimum temperature of a pressure-retaining item shall be considered an alteration pursuant to the NBIC. ANSI. American National Standards Institute. Approved Nationally Recognized Testing Laboratory. A laboratory that is acceptable to the Board and provides uniform testing and examination procedures and standards for meeting design, manufacturing, and factory testing requirements of ANSI/ASHRAE 15; is organized, equipped, and qualified for testing; and has a follow-up inspection service for the current production of the listed products. Appurtenance. A component or piping added to a Boiler/Pressure Vessel necessary for its proper operation. ASHRAE. American Society of Heating, Refrigerating, and Air Conditioning Engineers. ASME. American Society of Mechanical Engineers. ASNT. The American Society for Nondestructive Testing. Authorized Inspection Agency. An insurance companyauthorized to insure Boilers and Pressure Vessels in the Commonwealth that holds a valid National Board certificate of accreditation, or certificate of acceptance, for employing National Board Commissioned Inspectors to perform inspection activities. Authorized Inspector. An employee of an Authorized Inspection Agency holding a valid National Board AI Commission and endorsements, who is authorized to perform shop inspections, field assembly inspections, alterations, and repairs of boilers and pressure vessels. Authorized Inservice Inspector. An employee of an Authorized Inspection Agency holding a Certificate of Competency as a Boiler inspector, issued to them by the Department to perform Inservice Inspections of Boilers and Pressure Vessels within the Commonwealth. All Inservice Inspectors shall also hold a valid National Board Commission and appropriate endorsement. Authorized Manufacturer (Heating Boilers). A Boiler manufacturer which holds a certificate of authorization to use the ASME certification mark and “H” or “U” designator. Authorized Manufacturer (Refrigeration and Air Conditioning Systems). A manufacturer which holds a certificate of authorization to use the appropriate ASME certification mark to build Pressure Vessels for use in the Commonwealth of Massachusetts. Authorized Manufacturer (Steam and Hot Water Boilers and Heat Storage Sources). A Boiler manufacturer which holds a certificate of authorization to use the ASME certification mark and “H”, “S”, or “U” designator. Authorized Nuclear Inspector. An employee of an Authorized Inspection Agencyholding a valid National Board Commission with a nuclear endorsement (N). Authorized Nuclear Inspector (Concrete). An employee of an Authorized Inspection Agency holding a valid National Board Commission with a nuclear endorsement (C). Board. The Board of Boiler Rules appointed under M.G.L. c. 22, § 10. 522 CMR - 6 1.02: continued Boiler. A closed Pressure Vessel in which water is heated, steam is generated, steam is superheated or any combination thereof, under pressure or vacuum for use externally to itself by the direct application of heat from the combustion of fuel, or from electricity or nuclear energy. “Boiler” shall include fired units for heating or vaporizing liquids other than water where these units are separate from processing systems and are complete within themselves. Boiler External Inspection. An examination of a Boiler and Appurtenances while the unit is operating, during which, pursuant to M.G.L. c. 146, § 11, the inspector shall observe the pressure of steam carried and the general condition of each Boiler, and shall ascertain if the safety valve and the appliances for indicating the pressure of steam and level of the water in the Boiler are in proper working order. Boilers pursuant to M.G.L. c. 146, § 70 may be externally inspected when the unit is not in operation by the inspector reviewing evidence provided by the owner or user of which tests have been completed. Boiler Internal Inspection. A thorough inspection that is performed on a Boiler, water and fireside, when the Boiler is not operating and is open, in accordance with the NBIC. Certificate. A certificate of inspection issued by the Department. Certificate of Competency. A certificate issued to individuals pursuant to M.G.L. c. 146, § 62. Chief. The Chief of Engineering Inspections for the Division of Inspections of the Department of Fire Services. CPS. Covered Piping System. Deaerator. A Pressure Vessel classified as a Heat Storage Source that uses steam to remove oxygen and carbon dioxide from Boiler feed water. Decommission. The process in which a Boiler or Pressure Vessel is made inoperable or dismantled, and removed from service. Department. The Department of Fire Services. District Engineering Inspector. An inspector of the Division. Division. The Division of Inspections of the Department of Fire Services. Engineer in Charge. A person who holds a valid and current Massachusetts Engineer or Fireman license issued by the Department, is designated by the Owner/User as the “Engineer in Charge”, and is invested by the Owner/User with the actual authority for: (a) The daily operation, maintenance, and repair of the Boilers, Pressure Vessels, engines, and Appurtenances specified; and; (b) All persons operating, maintaining, or repairing these Boilers, Pressure Vessels, engines, and Appurtenances. First Inspection. An inspection of a Boiler, Pressure Vessel, Heat Storage Source, Refrigeration or Air Conditioning System, Air Tank that has, regardless of its age or installation date, never before been inspected by a District Engineering Inspector or an Authorized Inspector in the Commonwealth. The First Inspection of all steam Boilers and Pressure Vessels shall be performed by a District Engineering Inspector. Heat Storage Source. A potable water heater or water storage tank, deaerator or steam accumulator constructed to ASME Boiler and Pressure Vessel Code, Section IV and/or Section VIII, respectively. High Pressure/Power Boiler. A Boiler having hot water at pressures exceeding 160 PSIG, or temperatures exceeding 250EF, or steam at pressures exceeding 15 PSIG. 1.02: continued Low Pressure/Heating Boiler. A Boiler having steam pressures not exceeding 15 PSIG, or hot water at pressures not exceeding 160 PSIG, or temperatures not exceeding 250EF. Marshal. The State Fire Marshal, appointed in accordance with the provisions of M.G.L. c. 6, § 165B. Massachusetts Heat Boiler. A steel plate Boiler built by an authorized manufacturer in accordance with ASME Boiler and Pressure Vessel Code Section IV, Rules for Construction of Heating Boilers, but not stamped with the Code symbol. Mass Tag. A noncorrosive metal tag attached to the vessel with a noncorrosive metal wire. MAWP. Maximum Allowable Working Pressure. Minimum Allowable Thickness. The minimum thickness permitted in accordance with the provisions of the applicable section of the original code of construction. National Board. The National Board of Boiler and Pressure Vessel Inspectors. National Board Commissioned Inspector. An inspector employed by an Authorized Inspection Agency who holds a valid National Board Commission, or such other individuals who hold a valid National Board Commission. NBIC. National Board Inspection Code. NFPA. National Fire Protection Agency. Operator. A person who operates a Boiler, Pressure Vessel, steam engine, and their Appurtenances. Owner/User. Any person, firm or corporation legally responsible for the safe operation and maintenance of any pressure-retaining item, steam engine or their Appurtenances pursuant to M.G.L. c. 146, and 522 CMR. Pressure Vessel. 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 a Boiler. “R” Certificate Holder. An organization in possession of a valid “R” Certificate of Authorization issued by the National Board pursuant to the NBIC. R-1 Forms. Report of repair form provided in accordance with the NBIC. R-2 Forms. Report of alteration form provided in accordance with the NBIC. Refrigeration System. A combination of interconnected parts forming a closed circuit in which refrigerant is circulated for the purpose of extracting, then rejecting, heat. (a) Absorption System. A refrigerating system in which the gas evolved in the evaporator is taken up by an absorber or adsorber. (b) Sealed Absorption System. A unit system or Group 2 refrigerants only, in which all refrigerant-containing parts are made permanently tight by welding or brazing against refrigerant loss. (c) Self-contained System. A complete, factory-assembled and factory-tested system that is shipped in one or more sections, and has no refrigerant-containing parts that are joined in the field by other than companion or block valves. (d) Unit System. A self-contained system which has been assembled and tested prior to its installation, and which is installed without connecting any refrigerant-containing parts. A unit system may include factory-assembled companion or block valves. Repair. The work necessary to restore pressure-retaining items to a safe and satisfactory operating condition pursuant to the NBIC. 1.02: continued Reportable Accidents/Incidents. Accidents or incidents that result in Serious Injury/Illness, or damage that results in the Boiler or Pressure Vessel being removed from service for work other than routine or scheduled maintenance, or Routine Repair work in accordance with the NBIC Part 3. Routine Repair. Repairs for which the requirement for in-process involvement by the District Engineering Inspector or Authorized Inspector and stamping by the “R” Certificate Holder may be waived as determined by the Chief and the District Engineering Inspector or Authorized Inspector in accordance with the NBIC and documented on an R-1 Form as a “Routine Repair” under the Remarks section. Serious Injury/Illness. A personal injury/illness that results in death, dismemberment, significant disfigurement, permanent loss of the use of a body organ, member, function or system, a compound fracture or other significant injury/illness that requires immediate admission and overnight hospitalization and observation by a licensed physician. Temporary Use Boiler. A portable Boiler which is installed for not more than one year. Ton of Refrigeration. The removal of heat at a rate of 12,000 Btu/hr.