16 Tex. Admin. Code § 65.2 - Definitions
The following words and terms, when used in this chapter, shall have the following meanings, unless the context clearly indicates otherwise.
(1) 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 is considered an alteration.
(2) Application for Certification--The
completed first inspection report.
(3) Approved--Agreed to by the executive
director.
(4) ASME--The American
Society of Mechanical Engineers Boiler and Pressure Vessel Code, code cases,
and interpretations adopted by the council of the society.
(5) Authorized Inspection Agency (AIA)
(In-service)--An entity accredited by the National Board meeting NB-369,
"Qualifications and Duties for Authorized Inspection Agencies Performing
In-service Activities and Qualifications for Inspectors of Boilers and Pressure
Vessels."
(6) Authorized Inspection
Agency (AIA) (New Construction--ASME Activities)--An entity accredited by the
National Board meeting the qualification and duties of NB-360, "Criteria for
Acceptance of Authorized Inspection Agencies for New Construction."
(7) Authorized Inspector (AI)--An inspector
qualified to be employed by an Authorized Inspection Agency (AIA) who holds a
commission issued by the executive director.
(8) AWP--The allowable working pressure at
which the boiler can safely operate.
(9) Blowdown separator--a pressure vessel
used to capture boiler blowdown water for the purpose of reducing the boiler
blowdown water temperature and pressure. The cooling of the blowdown water
occurs by mixing cooling water with the blowdown water.
(10) Blowdown tank--A pressure vessel used to
capture boiler blowdown water for the purpose of reducing the boiler blowdown
water temperature and pressure. The cooling of the blowdown water occurs over
time.
(11) Blowdown water--Boiler
water that contains dissolved solids and sludge.
(12) Board--The Board of Boiler
Rules.
(13) "Boiler" means:
(A) a heating boiler;
(B) a nuclear boiler;
(C) a power boiler;
(D) an unfired steam boiler; or
(E) a process steam generator.
(14) Boiler external piping --The
piping which begins where the ASME Code Section I or Section VIII, Division 1,
2, or 3 boiler proper or separately fired superheater terminates at:
(A) the first circumferential joint for
welding end connections; or
(B) the
face of the first flange in bolted flange connections; or
(C) the first threaded joint in that type of
connection; and which extends up to and including the valve or valves required
by ASME.
(15) Certificate
inspection --The required internal or external boiler inspection, the report of
which is used by the chief inspector to decide whether to issue a certificate
of operation.
(16) Certificate of
operation --A certificate issued by the executive director to allow the
operation of a boiler.
(17)
Changeover valve --A valve that allows two redundant pressure relief valves to
be installed for the purpose of changing from one pressure relief valve to the
other while the boiler is operating and designed such that there is no
intermediate position where both pressure relief valves are isolated from the
boiler.
(18) Chief inspector --The
inspector appointed in accordance with Texas Health and Safety Code, §
755.023.
(19) Code--ASME Code.
(20) Commission--The Texas Commission of
Licensing and Regulation.
(21)
Competent attendant --An individual who has been trained to properly operate,
start up, shut down, respond to emergencies and maintain control of the boiler
in safe operating condition.
(22)
Condemned boiler --A boiler inspected and declared unfit for further service by
the chief inspector, the deputy inspector, or the executive director.
(23) Continuous water treatment --A
verifiable program that controls and limits corrosion and deposits in a
boiler.
(24) Department--Texas
Department of Licensing and Regulation.
(25) Deputy inspector --An inspector
appointed by the executive director.
(26) Disconnected boiler --A boiler in which
all fuel, water, steam and electricity are removed from any connection on the
boiler. These connections must provide an isolated gap and the source must be
safely isolated to prevent potential leaks or electrical hazards.
(27) Electric boiler --A boiler in which the
source of heat is electricity, such as an electrode type boiler and an
immersion resistance element type boiler.
(28) Electrode type boiler --An electric
boiler in which heat is generated by the passage of electric current using
water as the conductor.
(29)
Executive director --The executive director of the department.
(30) External inspection --An inspection of
the exterior of a boiler and its appurtenances that is made, if possible, while
the boiler is in operation.
(31)
Heat Recovery Steam Generator (HRSG)--A boiler which produces steam where its
principle source of thermal energy is a hot gas stream having high ramp rates,
such as the exhaust of a gas turbine.
(32) Heating boiler --A steam heating boiler,
hot water heating boiler, hot water supply boiler, or potable water heater that
is directly fired with oil, gas, solar energy, electricity, coal, or other
solid or liquid fuel.
(33)
High-temperature water boiler --A water boiler designed for operation at
pressures exceeding 160 pounds per square inch gage (1100 kilopascals) or
temperatures exceeding 250 degrees Fahrenheit (121 degrees Celsius).
(34) Hot water heating boiler --A boiler
designed for operation at a pressure not exceeding 160 pounds per square inch
gage (1100 kilopascals) or temperatures not exceeding 250 degrees Fahrenheit
(121 degrees Celsius) at or near the boiler outlet.
(35) Hot water supply boiler --A boiler
designed for operation at pressures not exceeding 160 pounds per square inch
gage (1100 kilopascals) or temperatures not exceeding 250 degrees Fahrenheit
(121 degrees Celsius) at or near the boiler outlet if the boiler's heat input
exceeds 200,000 British thermal units per hour (58.6 kilowatts); water
temperature exceeds 210 degrees Fahrenheit (99 degrees Celsius); or nominal
water-containing capacity exceeds 120 gallons (454 Liters).
(36) Immersion resistance element type boiler
--An electric boiler in which heat is generated by the passage of an electric
current through a resistance heating element immersed in water.
(37) Inspection agency --An Authorized
Inspection Agency (AIA) providing inspection services.
(38) Inspector--The chief inspector, a deputy
inspector, or an Authorized Inspector (AI).
(39) Install--To place, position or fit a
boiler into position and then to connect, change or modify the boiler to enable
the boiler to be brought into service.
(40) Installation--The act of installing a
boiler or associated equipment.
(41) Internal inspection--A complete and
thorough inspection of the interior waterside and fireside areas of a boiler as
construction allows.
(42) Maximum
Allowable Working Pressure (MAWP)--The greatest pressure at which a boiler is
designed to operate.
(43) Metric
(SI)--An international system of measurement.
(44) Metrication--The process of converting
between US customary units and metric (SI) units.
(45) Modular boiler --A steam or hot water
heating assembly consisting of a group of individual boilers called modules,
intended to be installed as a unit, with a single inlet and single outlet.
Modules may be under one jacket or may be individually jacketed.
(46) Multiple pressure steam generator --A
boiler consisting of several sections of heat exchange surface designed for
different pressure levels.
(47)
National Board--The National Board of Boiler and Pressure Vessel
Inspectors.
(48) National Board
Inspection Code (NBIC)--The manual for boiler and pressure vessel inspectors
published by the National Board of Boiler and Pressure Vessel
Inspectors.
(49) Nominal--The
accepted ASME standard used to designate a size or capacity of an
item.
(50) Non-code boiler --A
complete boiler not constructed to the appropriate ASME Code.
(51) Nonstandard boiler --A boiler that does
not qualify as a standard boiler.
(52) Nuclear boiler --A nuclear power plant
system, including its pressure vessels, piping systems, pumps, valves, and
storage tanks that produces and controls an output of thermal energy from
nuclear fuel and the associated systems essential to the function of the power
system.
(53) Operation--The
condition of a boiler in which the energy source is being applied to the
boiler.
(54) Out of service --The
condition of a boiler in which it is neither in operation nor in
standby.
(55) Owner or operator
--Any person, firm, or corporation owning or operating boilers within the State
of Texas.
(56) Person--An
individual, corporation, partnership, association or other legal
entity.
(57) Pool heater --A hot
water supply boiler or a potable water heater designed to provide hot water to
a pool.
(58) Portable boiler --A
boiler primarily intended for use at a temporary location.
(59) Potable water heater --A boiler designed
for operation at pressures not exceeding 160 pounds per square inch gage (1100
kilopascals) and water temperatures not exceeding 210 degrees Fahrenheit (99
degrees Celsius) if the boiler's heat input exceeds 200,000 British thermal
units per hour (58.6 kilowatts) or nominal water-containing capacity exceeds
120 gallons (454 liters).
(60)
Power boiler --A high-temperature water boiler or a boiler in which steam is
generated at a pressure exceeding 15 pounds per square inch gage (103
kilopascals) for a purpose external to the boiler.
(61) Preliminary order--A written order
issued by the chief inspector or any commissioned boiler inspector to require
repairs or alterations to render a boiler safe for use or to require that
operation of the boiler be discontinued. The boiler inspection report which
requires repairs to be made or the boiler operation to be ceased which is
signed by the chief inspector or a commissioned boiler inspector is a
Preliminary Order.
(62) Process
steam generator --An evaporator, heat exchanger, or vessel in which steam is
generated by the use of heat resulting from the operation of a processing
system that contains a number of pressure vessels, such as used in the
manufacture of chemical and petroleum products.
(63) Reinstalled boiler --A boiler removed
from its original setting and reinstalled at the same location or at a new
location.
(64) Repair--The work
necessary to restore pressure-retaining items to a safe and satisfactory
operating condition.
(65)
Rules--The rules promulgated and enforced by the commission in accordance with
Texas Health and Safety Code, §
755.032 and
Texas Occupations Code, Chapter 51.
(66) Safety appliance --A safety device such
as a safety valve or a pressure relief valve for a boiler provided to diminish
the danger of accidents.
(67)
Secondhand boiler --A boiler for which the location and ownership have
changed.
(68) Serious accident --An
explosion resulting in any degree of distortion to the wall of the boiler or
related equipment or damage to the building where the boiler is located. Or,
emergency medical services are dispatched to the location of a boiler accident
in which one or more persons require on-site medical services, transport to a
medical facility or the accident results in a fatality.
(69) Special inspection --An inspection by
the chief inspector or deputy inspector other than those in Texas Health and
Safety Code, §§
755.025 -
755.027.
(70) Stacked boiler --A design in which one
boiler is placed onto a rack above another boiler, as designed by the boiler
manufacturer with a rack nameplate, and as approved by the
department.
(71) Standard boiler
--A boiler that bears the stamp of a nationally recognized engineering
professional society, or the stamp of any jurisdiction that has adopted a
standard of construction equivalent to the standard required by the executive
director.
(72) Standby--The
condition of a boiler in which the owner or operator has (1) placed the boiler
into operation at low fire or (2) can place the boiler into operation within 48
hours' notice.
(73) Steam heating
boiler --A boiler designed for operation at pressures not exceeding 15 pounds
per square inch gage (103 kilopascals).
(74) System pressure --The pressure of the
boiler system, which is governed by the highest safety valve or pressure relief
valve set pressure as allowed by ASME Code and this chapter.
(75) Texas Commission--Authorization to
inspect boilers and enforce Texas Health and Safety Code, Chapter 755, and 16
Texas Administrative Code, Chapter 65, on behalf of the department.
(A) ASME Only commission --Authorizes an
inspector to conduct only ASME new construction activities.
(B) In-service only commission --Authorizes
an inspector to conduct only boiler in-service activities.
(C) ASME and in-service commission
--Authorizes an inspector to conduct both activities in subparagraphs (A) and
(B).
(76) Unfired steam
boiler --An unfired pressure vessel in which steam is generated. The term does
not include: vessels known as evaporators or heat exchangers; or vessels in
which steam is generated by using the heat that results from the operation of a
processing system that contains a number of pressure vessels, as used in the
manufacture of chemical and petroleum products.
Notes
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