For any conditions not treated in this part, the applicable provisions of the ASME BPVC, ASME B31.1, ASME CSD-1, ASME PVHO 1, ASME PVHO 2, and the NBIC, and other publications adopted herein shall apply. API-510 shall not take precedence over the safety standards of this part or any reference codes. However, variances may be granted in accordance with section 12-220-33.1.
Haw. Code R. § 12-220-13