NFPA 85 Boiler And Combustion Systems Hazards Codepdf

NFPA 85 Boiler And Combustion Systems Hazards Codepdf

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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 1