Hawaii Administrative Rules
Title 12 - DEPARTMENT OF LABOR AND INDUSTRIAL RELATIONS
Subtitle 8 - HAWAII OCCUPATIONAL SAFETY AND HEALTH DIVISION
Part 10 - BOILER AND PRESSURE VESSEL
Chapter 220 - GENERAL, ADMINISTRATIVE, AND LEGAL PROVISIONS
Section 12-220-30.1 - Application of State serial numbers
Current through August, 2024
(a) Upon completion of the installation of a pressure retaining item, or at the time of the initial permit inspection of an existing installation, each pressure retaining item shall be stamped or marked by the inspector employed by the department with a state serial number, consisting of letters and figures to be not less than 5/16 inch in height and arranged:
For power boilers HAW-####-YEAR
For heating boilers HHB-####-YEAR
For pressure vessels HPV-####-YEAR
Heating boilers assigned state serial numbers prior to January 1984 had the prefix HAW NO. 0000-YEAR. In each case, the year shall be a part of the number.
(b) All pressure retaining items constructed of cast iron, or of material of a thickness that cannot be stamped in accordance with the ASME BPVC, shall have a securely attached corrosion resistant label plate containing the required manufacturer's stamping, or directly marked by other means on the pressure retaining item. The State serial number shall be stamped or marked by other means on the label plate.