Pennsylvania Code › Title 34 - LABOR AND INDUSTRY › Part I - Department of Labor and Industry › Chapter 3a - BOILER AND UNFIRED PRESSURE VESSEL REGULATIONS › Subchapter A - GENERAL PROVISIONS › Section 3a.1 - Definitions

Current through Register Vol. 54, No. 28, July 13, 2024
The following words and terms, when used in this chapter,
					 have the following meanings, unless the context clearly indicates
					 otherwise:
AGA
-American Gas Association, 400 North
					 Capital Street, NW, Washington, D.C. 2001.
ANSI
-American National Standards
					 Institute, 1430 Broadway, New York, New York 10018.
ANSI/NB23
-National Board Inspection Code,
					 2004 edition, issued by the National Board of Boiler and Pressure Vessel
					 Inspectors.
ASME
-The American Society of Mechanical
					 Engineers, Three Park Avenue, New York, New York, 10016-5990.
ASME B 31.1
-"The ASME Code for Pressure
					 Piping," 2004 edition issued by ASME.
ASME Code
-"The Boiler and Pressure Vessel
					 Code," 2004 edition and its published cases and interpretations issued by
					 ASME.
ASME/CSD1
-"Controls and Safety Devices for
					 Automatically Fired Boilers," 2002 edition issued by ASME.
Act
-The Boiler and Unfired Pressure Vessel
					 Law (35 P. S. §§
											1331.1-1331.19).
Alteration
-
(i) A change in the item described on the
				  original manufacturer's data report, which affects the pressure containing
				  capability of the pressure retaining item.
(ii) The term also includes nonphysical
				  changes such as an increase in maximum allowable working pressure or an
				  increase in design temperature of a pressure-retaining item and a reduction in
				  minimum temperature that requires additional mechanical tests.
American Welding Society
-The American
					 Welding Society, 550 N.W. Lejenuen Road, Miami, Florida 33126.
Btu
-British thermal unit.
Boiler
-
(i) A closed vessel in which water is heated,
				  steam is generated, steam is superheated, or any combination of these actions,
				  under pressure or vacuum, for use externally to itself, by the direct
				  application of heat from the combustion of fuels, or from
				  electricity.
(ii) The term includes
				  fired vessels for heating of liquids other than water where these vessels are
				  separate from processing systems and are complete within themselves.
Certificate of competency
-A document
					 issued by the Department to an individual who has passed a National Board
					 Commission Examination conducted in this Commonwealth.
Code of construction
-ASME Code in effect
					 at the time the boiler or unfired pressure vessel was manufactured.
Condemned boiler or unfired pressure
					 vessel
-A boiler or unfired pressure vessel which was inspected and
					 declared unsafe or disqualified for use by the Department.
Department
-The Department of Labor and
					 Industry of the Commonwealth.
External inspection
-An inspection made
					 when a boiler or an unfired pressure vessel is in operation or in condition to
					 be operational.
Fusion welding
-The process of welding
					 metals in a molten, or molten and vaporous state, without the application of
					 mechanical pressure of blows.
Heat exchanger
-A device having a shell and
					 head, and a method to exchange heat between steam, hot water or any other
					 liquid. This device may be fired or unfired.
IBC
-The "International Building Code 2003"
					 issued by the ICC.
ICC
-International Code Council, 5203
					 Leesburg Pike, suite 600, Fall Church, Virginia 22041-3401.
IMC
-The "International Mechanical Code
					 2003" issued by the ICC.
Industrial Board
-The Department's
					 Industrial Board established under sections 445 and 2214 of The Administrative
					 Code of 1929 (71 P. S. §§
											155 and
					 574) which hears requests for
					 variances, extensions of time and appeals of Department decisions under the
					 act.
Instantaneous water heater
-A vessel in
					 which water is heated as it passes through the vessel. Water is not stored in
					 the vessel.
Internal inspection
-An inspection made
					 when a boiler or unfired pressure vessel is shut down and handholes, manholes,
					 or other inspection openings are opened for inspection of the interior of the
					 boiler or unfired pressure vessel.
Inspector
-An inspector commissioned by the
					 Department to field-inspect boilers or unfired pressure vessels in this
					 Commonwealth.
Lap seam crack
-A crack found in a lap
					 seam, extending parallel to the longitudinal joint and located between or
					 adjacent to rivet holes.
Locomotive boiler
-
(i) A boiler mounted on a self-propelled
				  track locomotive and used to furnish motivating power for travel on
				  rails.
(ii) The term does not
				  include locomotive cranes, tractors or other self-propelled
				  apparatus.
Low pressure heating boiler
-A steam boiler
					 operated at a pressure not exceeding 15 psig or a hot water heating or hot
					 water supply boiler operating at a pressure not exceeding 160 psig and a
					 temperature not exceeding 250° F.
Miniature boiler
-A boiler which is not
					 more than 16 inches inside diameter of the shell, 5 cubic feet gross volume,
					 excluding casing and insulation; 100 psig maximum allowable working pressure;
					 and, 20 square feet of heating surface.
NB-263
-"Rules for Commissioned
					 Inspectors," revision 13 issued by the National Board.
NEC
-The "National Electric Code, National
					 Fire Protection Association's Standard 70," 2002 edition, issued by the
					 NFPA.
NFPA
-The National Fire Protection
					 Association, 1 Batterymarch Park, Quincy Massachusetts 02269.
NFPA 85
-The "Boiler and Combustion System
					 Hazard Code," 2004 edition, issued by the NFPA.
National Board
-The National Board of
					 Boiler and Pressure Vessel Inspectors, 1055 Crupper Avenue, Columbus, Ohio
					 43229.
Nonstandard boiler
-A boiler which does not
					 bear ASME stamping.
Nonstandard unfired pressure vessel
-An
					 unfired pressure vessel which does not bear ASME stamping.
Owner or user
-A person, firm, corporation
					 or governmental body owning or operating any boiler or unfired pressure vessel
					 within this Commonwealth.
Psig
-Pounds per square inch gauge.
Psi
-Pounds per square inch.
Pennsylvania special boiler
-A boiler which
					 does not bear standard stamping and bears special Pennsylvania stamping and a
					 Department-approved number.
Pennsylvania special unfired pressure
					 vessel
-An unfired pressure vessel which bears special Pennsylvania
					 stamping and a Department-approved number and does not bear standard
					 stamping.
Portable boiler
-A boiler which is designed
					 to be moved from location to location and used on a temporary basis.
Power boiler
-A closed vessel in which
					 steam or other vapor is generated at a pressure of more than 15 psig by the
					 direct application of heat.
Process boiler
-Any vessel in which steam
					 is generated or superheated under pressure or for use external to itself by
					 direct or indirect application of heat. The source of heat must be in part from
					 a process other than the boiler itself. To be classified as a process boiler,
					 the boiler must be directly tied to another process other than the generation
					 of steam.
R stamp
-A National Board designation
					 indicating that a company is authorized to repair boilers and vessels.
R-1 form
-National Board report of repair
					 form.
Reinstalled equipment
-Equipment removed
					 from its original setting and reinstalled in the same location or a new
					 location without change of ownership.
Repair
-The process of restoring a boiler
					 or unfired pressure vessel component or system to a safe and satisfactory
					 condition.
Secondhand boiler
-A boiler whose location
					 and ownership have been changed after primary use.
Secondhand unfired pressure vessel
-An
					 unfired pressure vessel whose location and ownership have been changed after
					 primary use.
Secretary
-The Secretary of the
					 Department.
Standard boiler or unfired pressure
					 vessel
-A boiler or an unfired pressure vessel which bears stamping in
					 accordance with this chapter.
Standard Qualification Procedures of the American
					 Welding Society, D1.1-
The "Structure Welding Code, Steel 2002" issued
					 by the American Welding Society.
Steam coil vessel
-A vessel that stores hot
					 water that contains an internal steam coil with controls used to heat hot
					 water.
Storage water heater
-A fired or an
					 electrically heated vessel for storing or furnishing hot water supply.
Unfired pressure vessel
-A vessel in which
					 pressure is obtained from an external source or from an indirect application of
					 heat.
Unfired steam boiler
-An unfired pressure
					 vessel which generates steam for power or heat to be used externally to
					 itself.
VR stamp
-A National Board designation that
					 a company is authorized to repair and set safety relief
					 valves.