Hawaii Administrative Rules
Title 6 - DEPARTMENT OF BUDGET AND FINANCE
Division - PUBLIC UTILITIES COMMISSION
Chapter 77 - TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE; MINIMUM SAFETY STANDARDS
Subchapter 5 - MINIMUM SAFETY STANDARDS - PIPE DESIGN
Section 6-77-30 - Yield strength (S) for steel pipe
Universal Citation: HI Admin Rules 6-77-30
Current through August, 2024
(a) For pipe that is manufactured in accordance with a specification listed in section I of Appendix B, the yield strength to be used in the design formula in section 6-77-29 is the SMYS stated in the listed specification, if that value is known.
(b) For pipe that is manufactured in accordance with a specification not listed in section I of Appendix B or whose specification or tensile properties are unknown, the yield strength to be used in the design formula in section 6-77-29 is one of the following:
(1) If the pipe is tensile tested
in accordance with section II.D. of Appendix B, the lower of the following:
(A) Eighty percent of the average yield
strength determined by the tensile tests;
(B) The lowest yield strength determined by
the tensile tests, but not more than 52,000 p.s.i.
(2) If the pipe is not tensile tested as
provided in subsection (b)(1) 24,000 p.s.i.
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