Virginia Administrative Code › Title 16 - LABOR AND EMPLOYMENT › Agency 25 - SAFETY AND HEALTH CODES BOARD › Chapter 40 - STANDARD FOR BOILER AND PRESSURE VESSEL OPERATOR CERTIFICATION › Section 16VAC25-40-10 - Definitions

Current through Register Vol. 40, No. 24, July 15, 2024
The following words and terms when used in this chapter shall
				  have the following meanings unless the context clearly indicates
				  otherwise:
"Accredited" means accredited by an accrediting body
				  recognized by the U.S. Department of Education.
"Act" refers to § 15.2-910 of the Code of
				  Virginia.
"Agent" means the agent established by a county, city or
				  town, under local ordinance to examine and determine an applicant's
				  qualifications for certification under the Act.
"Approved" means acceptable to the Commissioner of Labor and
				  Industry.
"Board" means the board established by a county, city or
				  town, under local ordinance to examine and determine an applicant's
				  qualifications for certification under the Act.
"Boiler" means a closed vessel in which water is heated,
				  steam is generated, steam is superheated, or any combination of them, under
				  pressure or vacuum for use externally to itself by the direct application of
				  heat. The term "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 operator" means an individual who would normally be
				  the senior operational and maintenance person at the site of the boiler who
				  would be expected to react to changing operational and maintenance
				  situations.
"Certificate of Competency" means a certificate issued to a
				  person who has passed the prescribed examination as provided in subsection C of
				  16VAC25-40-30.
"Heating plant" means a heating system containing a low
				  pressure steam or hot water boiler used to generate energy for use in heating
				  buildings, potable water or processing.
"High pressure boiler" means a steam boiler where the safety
				  valves are set to relieve at a pressure of more than 15 pounds per square
				  inch.
"Horsepower rating of a boiler" for the purpose of this
				  chapter shall be the largest rating determined in accordance with each of the
				  following (i) by dividing the square feet of boiler heating surface by 10; or
				  (ii) the manufacturer's rated output in horsepower; or (iii) where the
				  manufacturer's rated output is expressed in terms other than horsepower, such
				  rating converted into horsepower by the use of one of the factors as defined in
				  this chapter.
"Hot water heating boiler" means any hot water boiler
				  operated at pressures not exceeding 160 psi or temperatures not exceeding
				  250°F.
"Jurisdiction" as referred to in this standard shall mean
				  counties, cities and towns in the Commonwealth.
"Low pressure boiler" means a steam boiler where the safety
				  valves are set to relieve at a pressure of 15 pounds per square inch or less
				  and hot water heating boilers.
"Pressure vessel" as referred to in this chapter shall be any
				  vessel in which (i) the pressure is obtained from an external source, or by an
				  internal or external application of heat; and (ii) is an auxiliary to a boiler
				  plant.
"One boiler horsepower" shall be defined as (i) the
				  evaporation of 34.5 pounds of water per hour from and at 212°F; or (ii)
				  33475 British Thermal Units (B.T.U.) per hour; or (iii) 140 square feet of
				  steam radiation; or (iv) 224 square feet of water radiation at 150°F; or
				  (v) 10 kilowatt per hour electrical input to boiler.
"Steam plant" means a system containing a high pressure
				  boiler to generate energy for use in heating, power generation or processing
				  operations.
Statutory Authority
§§ 15.2-910 and 40.1-51.6 of the Code of
					 Virginia.