Code of Maryland Regulations › Title 09 - MARYLAND DEPARTMENT OF LABOR › Subtitle 12 - DIVISION OF LABOR AND INDUSTRY › Chapter 09.12.01 - Board of Boiler Rules › Section 09.12.01.01 - Definitions

Current through Register Vol. 51, No. 14, July 12, 2024
A. In these
				regulations, the following terms have the meanings indicated.
B. Terms Defined.
(1) "ASME Code" means the "ASME Boiler and
				Pressure Vessel Code" of the American Society of Mechanical Engineers with
				revisions, amendments, and interpretations adopted by the Board of Boiler
				Rules.
(2) "Antique boiler" means
				a boiler that is:
(a) Fabricated and stamped:
(i) In accordance with the ASME Code or
				another nationally recognized boiler construction standard; and
(ii) More than 30 years before the date of
				the inspection;
(b)
				Operated primarily for demonstration, exhibition, or instructional purposes and
				not for profit; or
(c) Constructed,
				inspected, and stamped in accordance with the ASME Code and registered with the
				National Board of Boiler and Pressure Vessels Inspectors to replace a
				historical boiler.
(3)
				"Approved" means approved by the Board of Boiler Rules.
(4) "Authorized Inspection Agency " means an
				entity that:
(a) Is accredited in accordance
				with the National Board of Boiler and Pressure Vessel Inspectors NB-369,
				Qualifications and Duties for Authorized Inspection Agencies Performing
				Inservice Inspection Activities and Qualifications for Inspectors of Boilers
				and Pressure Vessels;
(b) Is
				accredited in accordance with the National Board of Boiler and Pressure Vessel
				Inspectors NB-371, Accreditation of Owner-User Inspection Organizations (OUIO);
				or
(c) Meets the qualifications and
				definition of the National Board of Boiler and Pressure Vessel Inspectors
				NB-360, Criteria for Acceptance of Authorized Inspection Agencies for New
				Construction.
(5)
				"Authorized Insurer" means an authorized inspection agency licensed to insure
				boilers and pressure vessels in Maryland.
(6) "Board" means the Board of Boiler Rules.
(7) "Boiler external piping"
				means piping which:
(a) Begins where the
				boiler proper terminates at the:
(i) First
				circumferential joint for welded end connections;
(ii) Face of the first flange in bolted
				flanged connections; or
(iii) First
				threaded joint in threaded connections; and
(b) Extends up to and including the valve or
				valves required by Section or Section IV of the ASME Code.
(8) "Certificate of Competency" means a
				certificate issued by the Chief Boiler Inspector indicating the suitability and
				fitness of an individual to inspect boilers and pressure vessels in Maryland.
(9) "Certificate inspection "
				means an inspection the report of which is used by the Chief Boiler Inspector
				to determine whether to issue a certificate.
(10) "Certificate of inspection for repair or
				alteration " means the certificate inspection performed after a repair or
				alteration to determine suitability of the object for return to service.
(11) "Commissioner" means the
				Commissioner of Labor and Industry.
(12) "Condemned boiler or pressure vessel"
				means a boiler or pressure vessel that has been inspected and declared unsafe
				or declared disqualified under legal requirements by an inspector who is
				authorized to take such action and who has applied a stamp or mark designating
				condemnation.
(13) "Electric
				boiler" means a boiler in which the source of heat is electricity.
(14) "Existing boiler or pressure vessel
				installation " means:
(a) A boiler
				constructed, installed, placed in operation, or contracted for before July 1,
				1969, excluding antique boilers, historical boilers or model steam boilers;
				or
(b) A pressure vessel
				constructed, installed, placed in operation, or contracted for before January
				1, 1974, excluding antique boilers, historical boilers or model steam boilers.
(15) "External
				inspection" means an inspection made when a boiler or pressure vessel is in
				operation.
(16) "Follow up
				inspection" means an inspection performed after a boiler or pressure vessel has
				been determined to be nonconforming with applicable laws and regulations.
(17) Heating Boiler.
(a) "Heating boiler" means:
(i) A steam boiler that operates at pressures
				not exceeding 15 PSIG; or
(ii) A
				hot water boiler operated at pressures not exceeding 160PSIG or temperatures
				not exceeding 250°F at or near the boiler outlet.
(b) "Heating boiler" includes a vessel used
				in connection with it as an expansion tank.
(18)
				"High-pressure, high-temperature water boiler" means a water boiler that
				operates at pressures exceeding 160 PSIG or temperatures exceeding 250°F at
				or near the boiler outlet.
(19)
				"Historical boiler" means a boiler that is:
(a) Riveted and/or welded
				construction;
(b) Not under the
				jurisdiction of the Federal Railroad Administration;
(c) Not used for profit; and
(d) An antique boiler, steam tractor,
				traction engine, hobby steam boiler, or portable steam boiler that is
				preserved, restored, and maintained for demonstration, viewing, or educational
				purposes.
(20) "Hobby
				steam boiler" means a model steam boiler.
(21) "Hot water heating boiler" means a
				heating boiler furnishing hot water circulated to return to itself.
(22) "Hot water supply boiler" means a
				heating boiler furnishing hot water for use external to itself.
(23) "Individually fabricated" means
				constructed, inspected, and stamped in accordance with the ASME Code, or other
				standard accepted by the Chief Boiler Inspector.
(24) "Inspector" means the chief boiler
				inspector, a deputy boiler inspector, or a special inspector.
(25) "Installer" means an individual, firm,
				association, corporation, or other entity that installs or constructs boilers
				or pressure vessels.
(26) "Internal
				inspection" means an examination as complete as pas.s/We of the internal and
				external surfaces of a boiler or pressure vessel conducted while it is not in
				operation, and with all manhole plates, hand hole plates, and other coverings
				of inspection openings removed.
(27) "Kitchen" means an area used for the
				preparation or processing of food for human consumption.
(28) "Kitchen equipment boiler" means a
				boiler located in a kitchen, and used for cooking or related
				purposes.
(29) "Lap-seam crack"
				means a crack in a lap-seam of a boiler or pressure vessel parallel to a
				longitudinal joint, either between or adjacent to rivet holes.
(30) "Maryland inspection report form" means
				the form submitted by an inspector and available on the Department's
				website.
(31) "Miniature boiler"
				means a boiler when none of the following limitations are exceeded:
(a) 16 inches inside diameter of
				shell;
(b) 20 square feet heating
				surface, except for an electric boiler;
(c) 5 cubic feet gross volume, exclusive of
				casing and insulation; and
(d) 100
				psig maximum allowable working pressure.
(32) "Model steam boiler" means a boiler that
				is individually fabricated for non-commercial use and that is used primarily
				for demonstration, exhibition, or educational purposes, and not used for
				profit.
(33) "Maximum allowable
				operating pressure" means the maximum pressure at which a boiler or pressure
				vessel is permitted to operate as determined by an inspector after an
				inspection and which is equal to or less than the maximum allowable working
				pressure.
(34) "Maximum allowable
				working pressure" means the maximum pressure at which a boiler or pressure
				vessel is designed to operate as determined by the manufacturer in accordance
				with the construction code.
(35) "Modular boiler
				system" means a series of boiler units specifically designed to be used
				singularly or together in sequential operation.
(36) "National Board"
				means the National Board of Boiler and Pressure Vessel Inspectors.
(37) "NBIC" means the National Board
				Inspection Code.
(38) "New boiler
				or pressure vessel installation " means:
(a) A
				boiler constructed, installed, placed in operation, or contracted for after
				July 1, 1969; or
(b) A pressure
				vessel constructed, installed, placed in operation, or contracted for after
				January 1, 1974.
(39) "Nonstandard
				boiler or pressure vessel" means a boiler or pressure vessel that does not bear
				the stamp of:
(a) Maryland;
(b) Another jurisdiction which has adopted a
				standard of construction equivalent to that required by the Board of Boiler
				Rules;
(c) The ASME; or
(d) The National Board.
(40) "Owner" means a person, firm, or
				corporation owning or operating a boiler or pressure vessel within Maryland.
(41) "Owner-user inspection
				service " means an owner of a boiler or pressure vessel in Maryland, who
				maintains a regularly established inspection department whose inspection
				procedures meet the applicable requirements of the National Board of Boiler and
				Pressure Vessel Inspectors and are acceptable to the Board.
(42) "Person" means an installer, owner, or
				operator of a boiler or pressure vessel, a repair organization, or a company
				licensed to insure or inspect boilers and pressure vessels in the
				State.
(43) "Portable boiler or
				pressure vessel" means a boiler or pressure vessel that is not historical but
				meets the following requirements:
(a) Is set
				on a frame, platform or trailer; and
(b) Is designed to be moved to different
				locations for use.
(44)
				"Portable steam boiler" means a historical boiler that is:
(a) Not self-propelled;
(b) Set on a frame, platform, or trailer;
				and
(c) Designed to be moved to
				different locations for use.
(45) "Power boiler" means a boiler in which
				steam or other vapor is generated at a pressure of more than 15 PSIG, and
				includes a high-pressure, high-temperature water boiler.
(46) "PSIG" means pounds per square inch
				gauge.
(47) "Standard boiler or
				pressure vessel" means a boiler or pressure vessel that:
(a) Bears the stamp of Maryland;
(b) Bears the stamp of another jurisdiction
				which has adopted a standard of construction equivalent to that required by the
				Board of Boiler Rules;
(c) Bears
				the stamps of both ASME and the National Board; or
(d) Is of equivalent safe construction
				acceptable to the Board.
(48) "Used boiler or pressure vessel" means a
				boiler or pressure vessel which has been removed from its original setting and
				reinstalled at the same or different location.
(49) "Water heater"
				means a closed vessel with openings through which water may flow and includes:
(a) An apparatus by which heat is
				generated;
(b) Controls necessary
				to prevent pressures greater than 160 psig and water temperatures greater than
				210 degrees F; and
(c) Potable
				water that is withdrawn for external use.
(50) "Workday" means a day that is not a
				Saturday, a Sunday, or a State holiday.