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 4 - MINIMUM SAFETY STANDARDS - MATERIALS
Section 6-77-25 - Marking of materials
Universal Citation: HI Admin Rules 6-77-25
Current through August, 2024
(a) Except as provided in subsection (d), each valve, fitting, length of pipe, and other component must be marked:
(1) As prescribed
in the specification or standard to which it was manufactured; or
(2) To indicate size, material, manufacturer,
pressure rating, and temperature rating, and as appropriate, type, grade, and
model.
(b) Surfaces of pipe and components that are subject to stress from internal pressure may not be field die stamped.
(c) If any item is marked by die stamping, the die must have blunt or rounded edges that will minimize stress concentrations.
(d) Subsection (a) does not apply to items manufactured before November 12, 1970, that meet all of the following:
(1) The item is identifiable as to type,
manufacturer, and model.
(2)
Specifications or standards giving pressure, temperature, and other appropriate
criteria for the use of items are readily available.
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