Laws, Rules and Regulations - The National Board of Boiler and ...

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Mine Section jurisdiction: Same as Mechanical Unit’s OBJECTS SUBJECT TO RULES FOR CONSTRUCTION AND STAMPING and inservice
inspection, except for Items 7 and 8; air receivers inspected as defined.
InSpeCtIOnS reQUIreD
1. Power boilers and high-pressure, high-temperature water boilers:
a. One annual internal inspection;
b. One annual external inspection at approximately a six-month interval from the internal inspection.
2. Low-pressure steam heating boilers: one annual external inspection. Where design and construction permit, an internal
inspection shall be conducted biennially.
3. Hot-water heating boilers, hot-water supply boilers, and lined potable water heaters: one external inspection biennially.
4. Pressure vessels:
a. Mechanical Unit jurisdiction: One external inspection quadrennially; internal if design and construction permit;
b. Mine Section jurisdiction: One external inspection triennially; internal if design and construction permit.
Industries having maintenance and examination programs approved by the department and under Mechanical Unit jurisdiction
may have internal inspection interval extended to a maximum of 24 months, provided external inspections are made every six
months.
InSUranCe InSpeCtIOn reQUIrementS
1. An inspection made by an inspector (employed by an inspection entity), holding a Certificate of Competency received
from the division, is accepted in lieu of an inspection made by a section inspector.
2. All insurance companies shall immediately notify and submit a report of defects to the appropriate jurisdiction (Mechanical
Unit or Mine Section), regarding any unsafe boiler or pressure vessel they refuse to insure.
3. Notification to the appropriate jurisdiction (Mechanical Unit or Mine Section) shall be made within 30 days of all boiler
or pressure vessel insurance that is written, canceled, not renewed, or suspended.
4. Reports of internal and external inspections must be filed with the mine operator on National Board forms within 30
days of inspection.
5. Extension of inspection intervals may be granted upon approval of a written request submitted to the Mine Safety and
Training Section or to the Mechanical Unit.
CertIFICate OF InSpeCtIOn
1. Mechanical Unit:
a. An Operating Permit is issued by the department, valid until expiration, unless a condition affecting the safety of the
boiler or pressure vessel is disclosed;
b. An Operating Permit issued for an insured boiler or pressure vessel shall be rendered void after the unit for which it
was issued ceases to be insured by a duly authorized insurance company.
2. Mine Section:
a. A Certificate of Inspection issued by the insurance company for insured boilers and pressure vessels shall be filed
with the mine operator and readily available for examination;
b. No Certificate of Inspection issued for an insured boiler or pressure vessel shall be valid after the certificate expiration
date if the boiler or pressure vessel for which it was issued ceases to be insured by a duly authorized insurance
company.
State FeeS
Fees for inspection and services provided by the Mechanical Unit are required.
mISCellaneOUS
1. The National Board Inspection Code has been incorporated within these regulations.
2013 National Board Synopsis of Boiler and Pressure Vessel Laws, Rules and Regulations