(a) The secretary, the chief 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 the boiler or pressure vessel is being constructed and installed in accordance with the provisions of this chapter.

(b)(1) On and after January 1, 2002, each boiler and pressure vessel used or proposed to be used within this state, except for pressure vessels covered by an owner or user inspection service as described in subsection (d) or except for boilers or pressure vessels exempt under Section 25-12-7, owners and users may request to waive this exemption, shall be thoroughly inspected as to their construction, installation, and condition as follows:

a. Power boilers and high pressure, high temperature water boilers shall receive a certificate inspection annually which shall be an internal inspection where construction permits; otherwise it shall be as complete an inspection as possible. The boilers shall also be externally inspected while under pressure, if possible.

b. Low pressure steam or vapor heating boilers shall receive a certificate inspection biennially with an internal inspection every four years where construction permits.

c. Hot water heating and hot water supply boilers shall receive a certificate inspection biennially with an internal inspection at the discretion of the inspector.

d. Pressure vessels subject to internal corrosion shall receive a certificate inspection every three years with an internal inspection at the discretion of the inspector. Pressure vessels not subject to internal corrosion shall receive a certificate of inspection at intervals set by the board.

e. Nuclear vessels within the scope of this chapter shall be inspected and reported in the form and with the appropriate information as designated by the board.

(2) A grace period of two months beyond the periods specified in paragraphs a. and b. of subdivision (1) may elapse between certificate inspections.

(3) The department may provide for longer periods between certificate inspection in its rules and regulations.

(4) Pursuant to this chapter, the department shall be responsible for providing for the safety of life, limb, and property and shall have jurisdiction over the interpretation and application of the inspection requirements as provided for in the rules and regulations which it has promulgated. The person conducting the inspection during construction and installation shall certify as to the minimum requirements for safety as defined in the ASME Code. Inspection requirements of operating equipment shall be in accordance with generally accepted practice and compatible with the actual service conditions, which shall include all of the following:

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 operation controls.

e. Interrelation with other operations outside the scope of this chapter.

(5) The board may permit variations in the inspection requirements based upon documentation of the actual service conditions by the owner or user of the operating equipment.

(c) The inspections required in this chapter shall be made by the chief inspector, by a deputy inspector, by a special inspector, or by an owner or user inspector provided for in this chapter.

(d) Owner or user inspection of pressure vessels shall be permitted. The owner or user inspection service shall be regularly established, and shall be under the supervision of one or more individuals whose qualifications are satisfactory to the board. The owner or user shall cause the pressure vessels to be inspected in conformance with the National Board Inspection Code or API 510, as applicable.

(e) If the inspector deems a hydrostatic test shall be necessary, it shall be made by the owner or user of the boiler or pressure vessel.

(f) All boilers, other than cast iron sectional boilers, and pressure vessels to be installed in this state after the 12-month period from the date upon which the rules and regulations of the board shall become effective, shall be inspected during construction as required by the applicable rules and regulations of the board 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 commission issued by the National Board of Boiler and Pressure Vessel Inspectors.