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 6-77-34 - Temperature derating factor (T) for steel pipe
Universal Citation: HI Admin Rules 6-77-34
Current through August, 2024
The temperature derating factor to be used in the design formula in section 6-77-29 is determined as follows:
| Gas temperature in degrees Fahrenheit | | Temperature derating factor (T) |
| 250 or less.............................................| | 1.000 |
| 300................................................| | 0.967 |
| 350................................................| | 0.933 |
| 400................................................| | 0.900 |
| 450................................................| | 0.867 |
For intermediate gas temperatures, the derating factor is determined by interpolation.
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