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 11 - MINIMUM SAFETY STANDARDS - REQUIREMENTS FOR CORROSION CONTROL
Section 6-77-127 - External corrosion control: protective coating

Universal Citation: HI Admin Rules 6-77-127

Current through August, 2024

(a) Each external protective coating, whether conductive or insulating, applied for the purpose of external corrosion control must:

(1) Be applied on a properly prepared surface;

(2) Have sufficient adhesion to the metal surface to effectively resist underfilm migration of moisture;

(3) Be sufficiently ductile to resist cracking;

(4) Have sufficient strength to resist damage due to handling and soil stress; and

(5) Have properties compatible with any supplemental cathodic protection.

(b) Each external protective coating which is an electrically insulating type must also have low moisture absorption and high electrical resistance.

(c) Each external protective coating must be inspected just prior to lowering the pipe into the ditch and backfilling, and any damage detrimental to effective corrosion control must be repaired.

(d) Each external protective coating must be protected from damage resulting from adverse ditch conditions or damage from supporting blocks.

(e) If coated pipe is installed by boring, driving, or other similar method, precautions must be taken to minimize damage to the coating during installation.

Disclaimer: These regulations may not be the most recent version. Hawaii may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.

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