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 6 - MINIMUM SAFETY STANDARDS - DESIGN OF PIPELINE COMPONENTS
Section 6-77-59 - Additional provisions for bottle-type holders
Universal Citation: HI Admin Rules 6-77-59
Current through August, 2024
(a) Each bottle-type holder must be:
(1) Located on a
site entirely surrounded by fencing that prevents access by unauthorized
persons and with minimum clearance from the fence as follows:
Maximum allowable operating pressure | Minimum clearance (feet)
| Less than 1,000 p.s.i.g........... | | 25 |
| 1,000 p.s.i.g. or more............. | | 100 |
(b) Each bottle-type holder manufactured from steel that is not weldable under field conditions must comply with the following:
(1) A bottle-type holder made from
alloy steel must meet the chemical and tensile requirements for the various
grades of steel in ASTM A 372;
(2)
The actual yield-tensile ratio of the steel may not exceed 0.85;
(3) Welding may not be performed on the
holder after it has been heat treated or stress relieved, except that copper
wires may be attached to the small diameter portion of the bottle end closure
for cathodic protection if a localized thermit welding process is
used;
(4) The holder must be given
a mill hydrostatic test at a pressure that produces a hoop stress at least
equal to eighty-five percent of the SMYS;
(5) The holder, connection pipe, and
components must be leak tested after installation as required by subchapter
12.
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