Oklahoma Code § 40-141.13

Title 40. Labor: Inspection of certain boilers and pressure vessels
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A.  The Commissioner of Labor or the chief boiler inspector, or
any deputy inspector, shall have free access, during reasonable
hours, to any premises in the state where a boiler or pressure
vessel is being constructed for use in, or is being installed in
this state for the purpose of ascertaining whether such boiler or
pressure vessel is being constructed and installed in accordance
with the provisions of the Boiler and Pressure Vessel Safety Act.
B.  Each boiler and pressure vessel covered by the Boiler and
Pressure Vessel Safety Act shall be thoroughly inspected as to its
construction, installation and condition as follows:
1.  Power boilers and high pressure high temperature water
boilers shall receive an inspection annually which shall be an

internal inspection where construction permits; otherwise it shall
be as complete an inspection as possible.  Such boilers shall also
be externally inspected annually preferably while under pressure;
2.  Low pressure steam or vapor heating boilers shall receive an
external inspection annually with an internal inspection at least
every two (2) years where construction permits;
3.  Hot water heating and hot water supply boilers shall receive
an external inspection annually with an internal inspection at the
discretion of the inspector;
4.  Hot water supply heaters shall receive a certificate
inspection annually, if possible, but biennially as a minimum;
5.  Pressure vessels, excluding those within the scope of the
American Petroleum Institute Pressure Vessel Inspection Code,
subject to internal corrosion and waste heat steam generators shall
receive an internal inspection triennially where construction
permits.  Pressure vessels not subject to internal corrosion shall
receive an inspection at intervals set by the Commissioner.
Frequency of external inspections of pressure vessels shall be set
by the Commissioner;
6.  A grace period of two (2) months beyond the periods
specified in paragraphs 1, 2, 3, 4 and 5 of this subsection is
permitted between inspections; however, the inspection due date
shall not be affected; provided, however, for an entity with two or
more boilers or pressure vessels, the Commissioner may allow all
inspections of the boilers or pressure vessels to be conducted at
that location at the same time;
7.  The Commissioner of Labor may provide for longer periods
between inspections in the rules for specific boilers and pressure
vessels; and
8.  Under the provisions of the Boiler and Pressure Vessel
Safety Act, the Commissioner of Labor is responsible to provide
rules for the safety of life, limb and property and therefore has
jurisdiction over the interpretation and application of the
inspection requirements as provided for in the rules.  Inspection
during construction and installation shall certify as to the minimum
requirement for safety as defined in the American Society of
Mechanical Engineers Code or other construction standards acceptable
to the Commissioner of Labor.  Inspection requirements of operating
equipment shall be in accordance with generally accepted practice
and compatible with the actual service condition, such as:
a. previous experience, based on records of inspection,
performance and maintenance,
b. location, with respect to personnel hazard,
c. quality of inspection and operating personnel,
d. provision for related safe operating controls, and
e. interrelation with other operations outside the scope
of the Boiler and Pressure Vessel Safety Act.

Based upon the documentation of such actual service conditions
by the owner or user of the operating equipment, the Commissioner of
Labor may, at his discretion, permit variations in the inspection
requirements.
C.  The inspections herein required shall be made by the
Commissioner, chief boiler inspector, deputy inspector or a special
inspector as provided for in the Boiler and Pressure Vessel Safety
Act except that hot water supply heaters may be inspected by state-
licensed boiler operators or state-licensed plumbers or plumbing
contractors.  The Commissioner of Labor may designate by rule the
hot water supply heaters, by design type, that are not subject to
inspection.
D.  Owner-user inspection of boilers and pressure vessels is
permitted provided the owner-user inspection service is regularly
established and is under the supervision of one or more individuals
whose qualifications are satisfactory to the Commissioner of Labor
and the owner-user causes the pressure vessels to be inspected in
conformance with the National Board Inspection Code or American
Petroleum Institute Pressure Vessel Inspection Code as applicable.
E.  If, at the discretion of the inspector, a hydrostatic test
shall be deemed necessary, it shall be made by the owner or user or
his licensed representative and witnessed by an inspector as
authorized by the Boiler and Pressure Vessel Safety Act, before a
certificate of operation is issued.
F.  All boilers, other than cast iron sectional boilers, and
pressure vessels to be installed in this state after the twelve-
month period from the date upon which the rules of the Commissioner
become effective, shall be inspected during construction as required
by the applicable rules by an inspector authorized to inspect
boilers and pressure vessels in this state, or if constructed
outside of the state, by an inspector holding a valid commission
issued by the National Board of Boiler and Pressure Vessel
Inspectors.
G.  No person, firm or corporation shall in any manner interfere
with the performance of the official duties of any inspector
authorized by the Boiler and Pressure Vessel Safety Act.
Added by Laws 1982, c. 252, § 13.  Amended by Laws 2000, c. 295, §
6, eff. Nov. 1, 2000; Laws 2016, c. 93, § 1, eff. Nov. 1, 2016; Laws
2018, c. 36, § 3, eff. Nov. 1, 2018.

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